WO1994025665A1 - Radiation-induced fixation of dyes - Google Patents
Radiation-induced fixation of dyes Download PDFInfo
- Publication number
- WO1994025665A1 WO1994025665A1 PCT/EP1994/001260 EP9401260W WO9425665A1 WO 1994025665 A1 WO1994025665 A1 WO 1994025665A1 EP 9401260 W EP9401260 W EP 9401260W WO 9425665 A1 WO9425665 A1 WO 9425665A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- process according
- formula
- dyes
- radical
- lamps
- Prior art date
Links
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- SBPBAQFWLVIOKP-UHFFFAOYSA-N chlorpyrifos Chemical compound CCOP(=S)(OCC)OC1=NC(Cl)=C(Cl)C=C1Cl SBPBAQFWLVIOKP-UHFFFAOYSA-N 0.000 description 1
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- 239000008367 deionised water Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- 125000005520 diaryliodonium group Chemical group 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
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- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- 125000004573 morpholin-4-yl group Chemical group N1(CCOCC1)* 0.000 description 1
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- 150000001451 organic peroxides Chemical class 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- PODAMDNJNMAKAZ-UHFFFAOYSA-N penta-2,3-diene Chemical group CC=C=CC PODAMDNJNMAKAZ-UHFFFAOYSA-N 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- RDOWQLZANAYVLL-UHFFFAOYSA-N phenanthridine Chemical group C1=CC=C2C3=CC=CC=C3C=NC2=C1 RDOWQLZANAYVLL-UHFFFAOYSA-N 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- LFSXCDWNBUNEEM-UHFFFAOYSA-N phthalazine Chemical compound C1=NN=CC2=CC=CC=C21 LFSXCDWNBUNEEM-UHFFFAOYSA-N 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- KOPQZJAYZFAPBC-UHFFFAOYSA-N propanoyl propaneperoxoate Chemical compound CCC(=O)OOC(=O)CC KOPQZJAYZFAPBC-UHFFFAOYSA-N 0.000 description 1
- 125000004742 propyloxycarbonyl group Chemical group 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- JEXVQSWXXUJEMA-UHFFFAOYSA-N pyrazol-3-one Chemical compound O=C1C=CN=N1 JEXVQSWXXUJEMA-UHFFFAOYSA-N 0.000 description 1
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical compound C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 1
- WLFXSECCHULRRO-UHFFFAOYSA-N pyridine-2,6-diol Chemical compound OC1=CC=CC(O)=N1 WLFXSECCHULRRO-UHFFFAOYSA-N 0.000 description 1
- JWVCLYRUEFBMGU-UHFFFAOYSA-N quinazoline Chemical compound N1=CN=CC2=CC=CC=C21 JWVCLYRUEFBMGU-UHFFFAOYSA-N 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 125000001439 semicarbazido group Chemical group [H]N([H])C(=O)N([H])N([H])* 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- SEEPANYCNGTZFQ-UHFFFAOYSA-N sulfadiazine Chemical compound C1=CC(N)=CC=C1S(=O)(=O)NC1=NC=CC=N1 SEEPANYCNGTZFQ-UHFFFAOYSA-N 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 125000005409 triarylsulfonium group Chemical group 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
- C07D295/084—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
- C07D295/088—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/465—Coatings containing composite materials
- C03C25/475—Coatings containing composite materials containing colouring agents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C219/00—Compounds containing amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C219/02—Compounds containing amino and esterified hydroxy groups bound to the same carbon skeleton having esterified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton
- C07C219/04—Compounds containing amino and esterified hydroxy groups bound to the same carbon skeleton having esterified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
- C07C219/08—Compounds containing amino and esterified hydroxy groups bound to the same carbon skeleton having esterified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having at least one of the hydroxy groups esterified by a carboxylic acid having the esterifying carboxyl group bound to an acyclic carbon atom of an acyclic unsaturated carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
- C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C233/34—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by amino groups
- C07C233/35—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by amino groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom
- C07C233/38—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by amino groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom having the carbon atom of the carboxamide group bound to a carbon atom of an acyclic unsaturated carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/12—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/56—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
- C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
- D06P1/5257—(Meth)acrylic acid
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/655—Compounds containing ammonium groups
- D06P1/66—Compounds containing ammonium groups containing quaternary ammonium groups
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
- D06P3/66—Natural or regenerated cellulose using reactive dyes
- D06P3/666—Natural or regenerated cellulose using reactive dyes reactive group not directly attached to heterocyclic group
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
- D06P5/2005—Treatments with alpha, beta, gamma or other rays, e.g. stimulated rays
Definitions
- the present invention relates to a process for fixing dyes on organic materials using colourless cationic compounds that contain at least two polymerisable double bonds with ionising radiation or by irradiation with UV light in the presence of photoinitiators.
- dyes preferably those containing activated unsaturated groups
- Dyeing processes are also known in which there are used nonionic colourless compounds containing at least one polymerisable double bond and the subsequent dye fixation is effected by ionising electron beam radiation or by irradiation with UV light in the presence of photoinitiators.
- the invention relates to a process for dyeing or printing organic material, preferably fibre material, which comprises applying dyes together with a colourless cationic compound containing at least two polymerisable double bonds, as well as additional optional auxiliaries, to said organic material, preferably fibre material, and subsequently fixing the dyes thereon with ionising radiation, or applying said dyes, together with a colourless cationic compound containing at least two polymerisable double bonds, and at least one photoinitiator, as well as additional optional auxiliaries, to said organic material, preferably fibre material, and subsequently fixing the dyes thereon with UV light.
- the distinguishing feature of the novel process is that dye and colourless cationic compound are applied together so that only a single dyebath or only a single dye liquor is necessary, thereby achieving a markedly higher degree of fixation than in the known processes without a colourless cationic polymerisable compound.
- the colourless cationic compound can, however, also be applied separately before or after the actual dyeing process.
- a further advantage is that the process can be carried out at such a low radiation dose that less dye is destroyed, thereby resulting in great brilliance of the dyeing.
- the fixation process consists in briefly subjecting a fibre material to be dyed, typically textile fibre material, after the treatment with a dye and in the presence of a colourless cationic compound that contains at least two polymerisable double bonds, as well as additional optional auxiliaries, in the wet, moist or dry state to ionising radiation or, in the presence of at least one photoinitiator, to irradiation with UV light
- a fibre material to be dyed typically textile fibre material
- a colourless cationic compound that contains at least two polymerisable double bonds, as well as additional optional auxiliaries
- treatment is carried out by impregnating said material with a dye solution in an exhaust bath, or by spraying or by padding the material with a pad liquor, or by printing the material on a roller printer or by the ink jet method.
- Ionising radiation will be understood as meaning radiation which can be produced in an ionising chamber. It consists either of electrically charged, directly ionising particles which, in gases along their path, produce ions by impact, or of uncharged, indirectly ionising particles or photons which produce in matter directly ionising charged secondary particles, typically the secondary electrons of X-rays or ⁇ -rays or the recoil nuclei (especially protons) of fast neutrons. Likewise indirectly ionising particles are slow neutrons which are able to produce energy-rich charged particles by nuclear reactions in part direct, in part via photons from ( ⁇ , ⁇ ) processes.
- Suitable heavy charged particles are protons, atomic nuclei or ionised atoms. Of particular importance for the inventive process are light, charged particles, for example electrons.
- Suitable X-ray radiation is both braking radiation and characteristic radiation. Important particle radiation of heavy charged particles is typically ⁇ -radiation.
- the ionising radiation can be produced by one of the standard methods.
- spontaneous nuclear transformations and also nuclear reactions can be used to produce ionising radiation.
- Suitable sources of radiation are natural or synthetic radioactive substances and, more particularly, atomic reactors.
- the radioactive fission products produced by nuclear fission in such reactors are a further important source of radiation.
- a further possible method of producing radiation is that using an X-ray tube.
- Suitable sources of radiation are thermal, electron impact, low tension arc, cold cathode and high-frequency ion sources.
- Electron beams are of particular importance for the inventive process. These are produced by acceleration and bunching of electrons which are triggered by thermionic emission, field emission or photoemission a as well as by electron or ion bombardment from a cathode.
- Sources of radiation are electron guns and accelerators of conventional make. Typical sources of radiation are known from the literature, e.g. International Journal of Electron Beam & Gamma Radiation Processing, in particular 1/89 pages 11-15; Optik, 77 (1987), pages 99-104.
- Sources of radiation for electron beams are also ⁇ -emitters such as strontium-90.
- Suitable technically useful ionising beams are also ⁇ -rays, which can be readily produced with caesium- 137 or cobalt-60 isotope sources.
- the presence of a photoinitiator is necessary.
- the photoinitiator absorbs the radiation to produce free radicals that initiate the
- photoinitiators or photosensitisers suitable for use in the practice of this invention are carbonyl compounds such as 2,3-hexanedione, diacetyl acetophenone, benzoin and benzoin ethers such as dimethyl, ethyl and butyl derivatives, typically 2,2-diethoxyacetophenone and 2,2-dimethoxyacetophenone, benzophenone or a benzophenone salt and phenyl-(1-hydroxycyclohexyl)ketone or a ketone of formula
- benzophenone in conjunction with a catalyst such as triethylamine, N,N'-dibenzylamine and dimethylaminoethanol and benzophenone plus Michler's ketone; acylphosphine oxides; nitrogen-containing compounds such as diazomethane, azobisisobutyronitrile, hydrazine, phenylhydrazine as well as trimethylbenzylammonium chloride; and sulfur-containing compounds such as benzenesulfonate, diphenyl disulfide as well as tetramethylthiuram disulfide.
- a catalyst such as triethylamine, N,N'-dibenzylamine and dimethylaminoethanol and benzophenone plus Michler's ketone
- acylphosphine oxides such as diazomethane, azobisisobutyronitrile, hydrazine, phenylhydrazine as well as trimethylbenzylammonium chlor
- the amount of photosensitiser in the applied dye components directly before irradiation is 0.01 - 20 %, preferably 0.1 - 5 %, based on the total amount of colourless polymerisable compounds.
- cationic photoinitiators such as triarylsulfonium salts, diaryliodonium salts, diaryl iron complexes or, quite generally, the structures described in "Chemistry & Technology of UV & EB Formulation for Coatings, Inks & Paints" Vol. 3, published by SITA Technology Ltd., Gardiner House, Broomhill Road, London, 1991.
- acylphosphine oxides such as (2,4,6- trimethylbenzoyl)(diphenyl)-phosphine oxide or a photoinitiator of formula
- polymerisation co-initiators such as peroxides or aliphatic azo compounds which are activated by an additional hot air process step and initiate the polymerisation.
- the customary catalysts which form free radicals can be used for the polymerisation or copoylmerisation.
- Typical catalysts are hydrazine derivatives such as hydrazine hydrochloride, organometallic compounds such as tetraethyl lead, and, in particular, aliphatic azo compounds such as ⁇ , ⁇ '-azoisobutyrodinitrile and organic peroxides, chloroacetyl peroxide, trichloroacetyl peroxide, benzoyl peroxide, chlorobenzoyl peroxide, benzoyl acetylperoxide, propionyl peroxide, fluorochloropropionyl peroxide, lauryl peroxide, cumene hydroperoxide, cyclohexanone hydroperoxide, tert-butyl hydroperoxide, di-tert-butyl peroxide, di-tert-amyl peroxide and p-methane
- hydroperoxide, and inorganic peroxide compounds such as sodium peroxide, alkali percarbonates, alkali persulfates or alkali perborates and, preferably, hydrogen peroxide, which can with advantage replace expensive benzoyl peroxide.
- the amount of catalyst to be added will depend in known manner on the desired reaction course or on the desired properties of the polymer. It is advantageous to use about 0.05 to 10 % by weight, based on the total amount of binder or binder mixture.
- the UV light used is suitably radiation whose emission is in the range from 200 to 450 nm, preferably from 210 to 400 nm.
- the radiation is preferably produced artificially with high-pressure, medium-pressure or low-pressure mercury vapour lamps, halogen lamps, metal halide lamps, xenon or tungsten lamps, carbon arc lamps or fluorescent tubes, H- and D-lamps, superactinic fluorescent lamps and lasers.
- capillary mercury high-pressure lamps or mercury high-pressure lamps or mercury low-pressure lamps It is advantageous to use capillary mercury high-pressure lamps or mercury high-pressure lamps or mercury low-pressure lamps. It is particularly advantageous to use mercury high-pressure lamps and mercury medium-pressure lamps which may also be doped with iron or gallium halide. These lamps can also be activated by microwaves or pulse-operated to concentrate the radiation in peaks. Pulsed operation is also possible when using xenon lamps if a higher proportion of long-wave UV light is required.
- UV sources of radiation are those described in "Chemistry & Technology of UV & EB Formulation for Coatings, Inks & Paints", Vol. 1, published by SITA
- the precise radiation time of the dyeings or prints will depend on the intensity of the UV source, the distance from the light source, the type and amount of photosensitiser and the permeability of the formulation and the textile substrate to UV light.
- Normal radiation times are from 1 second to 2 minutes, preferably from 2 seconds to 1 minute.
- the fixation can be terminated by discontinuing the irradiation so that it can also be carried out batchwise.
- Irradiation may be carried out in an inert gas atmosphere to prevent oxygen inhibition; but this precautionary measure is usually not necessary.
- Oxygen inhibition can also be effectively prevented by the addition of anti-blocking agents, i.e. amines and also, more particularly, aminoacrylates.
- Dyes suitable for this fixation process are those whose chromophoric systems belong to a wide range of classes, typically the monoazo or polyazo, metal complex azo,
- anthraquinone phthalocyanine, formazan, azomethine, nitroaryl, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, naphthoquinone, pyrenequinone or perylenetetracarbimide series.
- Particularly suitable dyes include the direct dyes and the reactive dyes.
- direct dyes are meant those described in the Colour Index 3rd edition (3rd Revision 1987, including Additions and Amendments to No. 85) as "Direct Dyes”.
- reactive dyes are meant those dyes that contain one or more than one reactive group, for example those described in the Colour Index 3rd edition (3rd Revision 1987, including Additions and Amendments to No. 85) as "Reactive Dyes”.
- Reactive groups will be understood as meaning fibre-reactive radicals that are able to react with the hydroxyl groups of celulose, the amino, carboxyl, hydroxyl and thiol groups of wool and silk, or with the amino and carboxyl groups of synthetic polyamides to form covalent chemical bonds.
- the reactive groups are usually bonded direct or through a linking group to the dye radical.
- Suitable reactive groups are typically those that contain at least one removable substituent present on an aliphatic, aromatic or heterocyclic radical or wherein the cited radicals carry a radical that is suitable for reaction with the fibre material, typically a triazine radical.
- Reactive groups are typically radicals containing carbocyclic or heterocyclic 4-, 5- or 6-membered rings substituted by a removable atom or a removable group.
- Suitable heterocyclic radicals are typically those that carry at least one removable substituent attached to a heterocyclic radical, including those that carry at least one reactive substituent attached to a 5- or 6-membered heterocyclic ring, typically to a monoazine, diazine, triazine, pyridine, pyrimidine, pyridazine, pyrazine, thiazine, oxazine or asymmetric or symmetric triazine ring, or to such a ring system that contains one or more than one fused aromatic ring, typically a quinoline, phthalazine, quinoline, quinazoline, quinoxaline, acridine, phenazine and phenanthridine ring system.
- the cited heterocyclic fibre-reactive radicals may contain further fibre-reactive
- Suitable reactive groups are those that contain at least one activated unsaturated group, preferably an unsaturated aliphatic group, typically the vinyl, halovinyl, styryl, acryloyl or methacryloyl group, or contain at least one polymerisable ring system.
- Such groups typically include the unsaturated groups that contain halogen atoms such as halomaleic acid and halopropiolic acid radicals, the ⁇ - or ⁇ -bromo- or chloroacryloyl groups, halogenated vinylacetyl groups, halocrotonyl or halomethacryloyl groups.
- Those groups are also suitable which are readily converted into halogen-containing unsaturated groups, conveniently by dehydrohalogenation, for example the dichloropropionyl group or the dibromopropionyl group.
- Halogen atoms in this context will be taken to mean fluorine, chlorine, bromine and iodine atoms as well as pseudohalogen atoms such as the cyano group. Good results are also obtained by the process of this invention with dyes that contain a ⁇ -bromoacryloyl group.
- Dyes that contain a polymerisable double bond are preferably those that contain at least one acryloyl, methacryloyl, ⁇ -bromoacryloyl, ⁇ -chloroacryloyl, vinyl or vinylsulfonyl radical. Most preferred are those dyes that contain at least one acryloyl, ⁇ -bromacryloyl or vinylsulfonyl radical. Suitable dyes that contain a polymerisable ring system are preferably those that contain at least one epoxide radical.
- removable atoms or removable groups are typically ammonium including hydrazinium, sulfato, thiosulfato, phosphato, acetoxy, propionoxy or carboxypyridinium.
- the linking group between the dye radical and the fibre-reactive radical, or the linking group between two fibre-reactive radicals is suitably any radical in addition to the direct bond.
- the linking group is typically an aliphatic or heterocyclic radical, and may also be comprised of different radicals of this type.
- the linking group usually contains at least one functional group, typically the carbonyl group or the amino group, which amino group may be further substituted by C 1 -C 4 alkyl or C 1 -C 4 alkyl which is substituted by halogen, hydroxy, cyano, C 1 -C 4 alkoxy, C 1 -C 4 alkoxycarbonyl, carboxy, sulfamoyl, sulfo or sulfato.
- An aliphatic radical may typically be an alkylene radical of 1 to 7 carbon atoms or the branched isomers thereof.
- the carbon chain of the alkylene radical may be interrupted by a hetero atom, typically an oxygen atom.
- An aromatic radical may typically be a phenyl radical that may be substituted by C 1 -C 4 alkyl such as methyl or ethyl, C 1 -C 4 alkoxy such as methoxy or ethoxy, halogen such as fluoro, bromo or, preferably, chloro, carboxy or sulfo; and a heterocyclic radical may suitably be a piperazino radical.
- Illustrative examples of such linking groups are:
- R 1 is hydrogen or C 1 -C 4 alkyl which may be substituted by halogen, hydroxy, cyano, C 1 -C 4 alkoxy, C 1 -C 4 alkoxycarbonyl, carboxy, sulfamoyl, sulfo or sulfato.
- T 1 is fluoro, chloro or carboxypyridinium and preferred substituents V 1 at the triazine ring are:
- benzimidazole benzothiazole or benzoxazole radical.
- the cited alkyl, cycloalkyl, aralkyl and aryl radicals and the heterocyclic radicals may be further substituted as indicated in connection with formula (1).
- V 1 in the radical of formula (1) is most preferably fluoro, chloro, phenylamino or N-C 1 -C 4 alkyl-N-phenylamino, in which two last mentioned radicals the phenyl rings may be substituted by halogen such as fluoro, chloro or bromo, nitro, cyano, trifluoromethyl, sulfamoyl, carbamoyl, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, acylamino groups such as acetylamino or benzoylamino, ureido, hydroxy, carboxy, sulfomethyl or, preferably, sulfo.
- halogen such as fluoro, chloro or bromo, nitro, cyano, trifluoromethyl, sulfamoyl, carbamoyl, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, acylamino groups such as
- T 2 and T 3 are each independently of the other fluoro, chloro or
- carboxypyridinium and B is a linking group.
- the linking group B may typically be a radical of formula
- R 1 and R 1 ' are each independently of the other hydrogen or C 1 -C 4 alkyl or C 1 -C 4 alkyl which is substituted by halogen, hydroxy, cyano, C 1 -C 4 alkoxy,
- X is a C 1 -C 6 alkylene or C 5 -C 9 cycloalkylene radical which is unsubstituted or substituted by hydroxy, sulfo, sulfato, C 1 -C 4 alkoxy, carboxy or halogen, or is a phenylene, biphenylene or naphthylene radical, each unsubstituted or substituted by C 1 -C 4 alkyl, C 1 -C 4 alkoxy, sulfo, halogen or carboxy.
- T 4 is fluoro, chloro or carboxypyridinium
- R 1 is hydrogen or C 1 -C 6 alkyl
- alk is an alkylene radical of 1 to 7 carbon atoms
- T is hydrogen, halogen, hydroxy, sulfato, carboxy, cyano, C 1 -C 4 alkanoyloxy, C 1 -C 4 alkoxycarbonyl, carbamoyl or a radical -SO 2 -Z
- V is hydrogen, unsubstituted or substituted C 1 -C 4 alkyl or a radical of formula wherein (alk) is as previously defined, each alk' is independently polymethylene of 2 to 6 carbon atoms, Z is ß-sulfatoethyl, ß-thiosulfatoethyl, ß-phosphatoethyl, ß-acyloxyethyl, ß-haloethyl, vinyl or , wherein R 30 and R 31 are each
- V 2 is a radical of formula (4a), (4b), (4c), (4d), (4e), (4f) or (4g) which is attached direct to the triazine ring, wherein R', T, alk, V, alk', Z, p, q, r, s and t have the given meanings; or wherein V 2 is a radical of formula wherein R 1 and Z have the given meanings and the benzene ring may be further substituted.
- substituents of the benzene rings of the compounds of formulae (4) and (4') are halogen such as fluoro, chloro or bromo, nitro, cyano, trifluoromethyl, sulfamoyl, carbamoyl, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, acylamino groups such as acetylamino or benzoylamino, ureido, hydroxy, carboxy, sulfomethyl and sulfo.
- halogen such as fluoro, chloro or bromo
- nitro, cyano trifluoromethyl
- sulfamoyl carbamoyl
- C 1 -C 4 alkyl C 1 -C 4 alkoxy
- acylamino groups such as acetylamino or benzoylamino, ureido, hydroxy, carboxy, sulfomethyl and sulfo.
- the radical B 1 contains 1 to 6, preferably 1 to 4, carbon atoms.
- Typical examples of B 2 are: methylene, ethylene, propylene, butylene, methyleneoxy, ethyleneoxy, propyleneoxy and butyleneoxy. If B 1 is a radical— O—(-CH 2 -)— , then B ! is attached through the oxygen atom to the benzene ring. Preferably B 1 is a direct bond.
- Z as ß-haloethyl is preferably ß-chloroethyl and, as ß-acyloxyethyl, is preferably ß-acetoxyethyl.
- the alkylene radical alk is preferably methylene, ethylene,
- alkanoyloxy is preferably acetoxy, propionyloxy or butyryloxy and, as alkoxycarbonyl radical, is preferably methoxycarbonyl, ethoxycarbonyl or propoxycarbonyl.
- An alkyl radical V may be methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl or tert-butyl.
- the radical R' is typically methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl or hexyl or, preferably, hydrogen.
- the polymethylene radicals alk' are preferably ethylene, propylene or butylene.
- the indices p, q and t are each independently of one another preferably 2, 3 or 4.
- the indices r and s are each independently of the other preferably 2.
- V 2 are those of formula (4), wherein B 1 is a direct bond and R is a radical of formula (4a), or wherein V 2 is a radical of formula (4b), (4c) or (4f) which is attached direct to the triazine ring, or wherein V 2 is a radical of formula (4').
- Preferred aliphatic reactive groups are those of formulae
- Z 1 has the meanings of Z and may additionally be ⁇ ,ß-dihaloethyl.
- Halogen in the ß-haloethyl, ⁇ ,ß-dihaloethyl and ⁇ -haloacryloyl groups represented by Z 1 are preferably chloro and bromo.
- Particularly preferred aliphatic reactive groups are those of formula (5a), as well as those of formulae (5c) and (5d).
- Z is preferably ß-sulfatoethyl or ß-haloethyl.
- the reactive dyes contain at least one reactive group of formulae (1), (2), (3) and (5a) bis (5e), wherein T 1 , T 2 , T 3 , T 4 , V 1 , V 2 , B, Z and Z 1 have the meanings and preferred meanings assigned to them above.
- the reactive dyes are preferably derived from the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide dye, preferably from the radical of a monoazo, disazo, metal complex azo, formazane-, anthraquinone, phthalocyanine or dioxazine dye.
- the reactive dyes may contain in the molecule the customary substituents of organic dyes as further substituents.
- Typical examples of such further substituents of the reactive dyes are: alkyl groups of 1 to 4 carbon atoms such as methyl, ethyl, propyl, isopropyl or butyl, alkoxy groups of 1 to 4 carbon atoms, typically methoxy, ethoxy, propoxy, isopropoxy or butoxy, acylamino groups of 1 to 8 carbon atoms, preferably alkanoylamino groups and alkoxycarbonylamino groups such as acetylamino, propionylamino, methoxycarbonylamino, ethoxycarbonylamino or benzoylamino, phenylamino, N-N-di-ß-hydroxyethylamino,
- the reactive dyes preferably contain one or more than one sulfonic acid group.
- D1 is the radical of a diazo component of the benzene or naphthalene series
- M is the radical of a middle component of the benzene or naphthalene series
- K is the radical of a coupling component of the benzene, naphthalene, pyrazolone, 6-hydroxypyrid-2-one or acetoacetylarylamide series
- D 1 , M and K may carry the customary substituents of azo dyes, preferably hydroxy, amino, methyl, ethyl, methoxy or ethoxy groups, unsubstituted or substituted alkanoylamino groups of 2 to 4 carbon atoms, unsubstituted or substituted benzoylamino groups, halogen atoms, or a fibre-reactive radical, preferably a -SO 2 -
- D 1 and D 2 are each independently of the other the radical of a diazo component of the benzene or naphthalene series, and K is the radical of a coupling component of the naphthalene series; and D 1 , D 2 and K may carry the customary substituents of azo dyes, preferably hydroxy, amino, methyl, ethyl, methoxy or ethoxy groups, unsubstituted or substituted alkanoylamino groups of 2 to 4 carbon atoms, unsubstituted or substituted benzoylamino groups, halogen atoms or a fibre-reactive radical, preferably a -SO 2 -Z radical, wherein Z has the given meaning, and D 1 , D 2 and K together contain at least two sulfo groups, prfeerably three or four sulfo groups.
- benzene nuclei may be further substituted by alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms, halogen or carboxy.
- Dye radicals of an anthraquinone dye of formula
- G is a phenylene, cyclohexylene, phenylenemethylene or C 2 -C 6 alkylene radical; and the anthraquinone nucleus may be substituted by a further sulfo group, and a phenyl radical G may be substituted by alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, halogen, carboxy or sulfo, and the dye preferably contains at least 2 sulfo groups.
- Dye radicals of a phthalocyanine dye of formula
- Pc is the radical of a copper or nickel phthalocyanine
- W is -OH and/or -NR 5 R 5
- R 5 and R 5 are each independentiy of the other hydrogen or alkyl of 1 to 4 carbon atoms which may be substituted by hydroxy or sulfo
- R 4 is hydrogen or alkyl of 1 to 4 carbon atoms
- E is a phenylene radical which may be substituted by alkyl of 1 to 4 carbon atoms, halogen, carboxy or sulfo; or is an alkylene radical of 2 to 6 carbon atoms, preferably a sulfophenylene or an ethylene radical
- k 1, 2 or 3.
- E is a phenylene radical which may be substituted by alkyl of 1 to 4 carbon atoms, halogen, carboxy or sulfo; or is an alkylene radical of 2 to 6 carbon atoms; and the outer benzene rings in the formula (11a) and (11b) may be further substituted by alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, acetylamino, nitro, halogen, carboxy, sulfo or -SO 2 -Z in which Z is ß-sulfatoethyl, ß-thiosulfatoethyl, ß-phosphatoethyl, ß-acyloxyethyl, ß-haloethyl, vinyl or , wherein R 30 and R 31 are
- (R 7 ) 1-3 denotes 1 to 3 substituents selected from the group consisting of C 1-4 alkyl, C 1-4 alkoxy, halogen, carboxy and sulfo;
- (R 9 ) 1-3 denotes 1 to 3 substituents selected from the group consisting of C 1-4 alkyl, C 1-4 alkoxy, halogen, carboxy and sulfo;
- (R 10 ) 1-3 denotes 1 to 3 substituents selected from the group consisting of C 1-4 alkyl, C 1-4 alkoxy, halogen, carboxy and sulfo;
- R 11 is C 2-4 alkanoyl or benzoyl
- R 12 is C 2-4 alkanoyl or benzoyl
- (R 13 ) 0-3 denotes 0 to 3 substituents selected from the group consisting of C 1-4 alkyl, C 1-4 alkoxy, halogen, carboxy and sulfo; , wherein R 14 and R 15 are each independently of the other hydrogen, C 1-4 alkyl or phenyl, and R 16 is hydrogen, cyano, carbamoyl or sulfomethyl;
- (R 17 ) 14 denotes 1 to 4 substituents selected from the group consisting of hydrogen, halogen, nitro, cyano, trifluoromethyl, sulfamoyl, carbamoyl, C 1-4 alkyl, C 1-4 alkoxy, amino, acetylamino, ureido, hydroxy, carboxy, sulfomethyl and sulfo, each independently of one another;
- Particularly preferred dyes are those of formula , wherein ,
- a 2 is hydrogen or C 1 - C 3 alkyl
- T 5 is a radical of formula
- X 2 is chloro or fluoro
- X 1 and X 1' are each independently of the other hydrogen, chloro, bromo or methyl, and
- a 1 is a direct bond, - C 2 H 4 - O - C 2 H 4 - , or
- Particularly suitable direct dyes are phthalocyanine dyes, dioxazine dyes and dyes of formula
- B 3 and A 3 have the given meanings and A 4 is a phenyl or naphthyl radical which is substituted by a heterocyclic radical or a benzoylamino or phenylamino group, or a reactive group as defined above,
- B 3 is a direct bond and A 3 and A 4 are each the radical of a metal complex azo dye
- a 5 is the chromophoric radical of an organic dye
- L 1 is a radical of formula
- X 4 and X 4 ' are each independently of the other a direct bond, NH, NR, O or S,
- R 2 and R 2 ' are each independently of the other hydrogen, aromatic, aliphatic or cycloaliphatic radicals which are unsubstituted or substituted by halogen, OR", COOR", SO 3 H or aralkyl which is unsubstituted or substituted by halogen, OR", COOR" or SO 3 H, and R" is hydrogen or C 1 - C 6 alkyl.
- Suitable linking groups B 3 in formula (34a) are typically the following groups:
- R 25 and R 25 are each independently of the other unsubstituted or substituted C 1 -C 8 alkyl or, preferably, hydrogen, X 3 and X 5 are linking groups and Y and Y' are each independentiy of the other hydroxy, C 1 -C 4 alkoxy, chloro, bromo, C 1 -C 4 alkylthio, amino, N-mono- or N,N-di-C 1 -C 4 alkylamino which are each unsubstituted or substituted in the alkyl moiety by hydroxy, sulfo, carboxy or C 1 -C 4 alkoxy, or cyclohexylamino, or phenylamino or N-C 1 -C 4 alkyl-N-phenylamino which are each unsubstituted or substituted in the phenyl nucleus by C 1 -C 4 alkyl, C 1 -C 4 alkoxy, carboxy
- R 25 and R 25 as C 1 -C 8 alkyl may be unsubstituted or substituted by e.g. halogen, hydroxy, cyano, C 1 -C 4 alkoxy, C 1 -C 4 alkoxycarbonyl, carboxy, sulfamoyl, sulfo or sulfato.
- the linking group X 3 in formula (35c) is preferably a C 1 -C 6 alkylene or
- C 5 -C 9 cycloalkylene radical which is unsubstituted or substituted by hydroxy, sulfo, sulfato, C 1 -C 4 alkoxy, carboxy or halogen, or a phenylene, biphenylene or naphthylene radical, each unsubstituted or substituted by C 1 -C 4 alkyl, C 1 -C 4 alkoxy, sulfo, halogen or carboxy.
- X 3 is preferably an unsubstituted or a sulfo-substituted phenylene radical.
- Suitable linking groups X 5 in formula (35e) are typically the following radicals of formulae:
- R 25 and R 25 have the meanings and preferred meanings given previously.
- radicals R 2 and R 2 ' in formula (34b) are preferably C 1 -C 6 alkyl or C 1 -C 6 alkylene radicals, typically methyl ethyl and isopropyl, which may be substituted by carboxy or phenyl; and also phenols which may be substituted by carboxy; and unsubstituted or substituted benzyl radicals; as well as radicals of formulae and
- R" is as defined in connection with formula (34b).
- Particularly preferred dyes are those of formula (34a), wherein B 3 and A 3 have the given meanings and A 4 is a phenyl radical which is substituted by benzothiazolyl,
- benzisothiazolyl or naphthotriazolyl and the phenyl radical and the benzothiazolyl, benzisothiazolyl and naphthotriazolyl substituents of the phenyl radical may each independently of one another be substituted by C 1 -C 4 alkyl, C 1 -C 4 alkoxy, halogen, carboxy, hydroxy, sulfo, sulfamoyl, ureido, amino which may be further substituted by C 1 -C 4 alkyl or C 1 -C 4 hydroxyalkyl, or by C 1 -C 6 alkanoyl or C 1 -C 6 alkanoylamino which may be further substituted in the alkyl moiety by hydroxy.
- Particularly preferred dyes are also the direct dyes of formula (34b), wherein L 1 is a radical of formula
- X 6 is halogen and R" is as defined for formula (34b).
- the reactive dyes as well as the direct dyes preferably contain at least one
- water-solubilising group typically a sulfo or sulfato group, and are in this case in the form of the free acid or, preferably, of salts thereof such as alkali metal, alkaline earth metal or ammonium salts or as salts of an organic amine.
- salts are the sodium, potassium, lithium or ammonium salts or the salt of triethanolamine.
- the reactive dyes and direct dyes are known or can be obtained by methods analogous to those for preparing known dyes.
- cationic compounds eligible for use in the practice of this invention are conveniently colourless or almost colourless quaternary ammonium salts that additionally carry at least two polymerisable double bonds.
- Preferred cationic compounds are those of the general formula
- X 7 is hydrogen, halogen or C 1 - C 2 alkyl
- Y 1 is - CO - O - oder - CO - NH - ,
- Q 4 is - CH 2 - CHOH - CH 2 - or - (CH 2 ) z - ,
- A is an anion selected from the group consisting of the halides, sulfates and C 1 - C 2 alkylsulfates,
- R 3 is allyl or R 2 , R 3 , and R 3" are each independently of the other hydrogen, C 1 -C 24 alkyl, allyl or R 2 , or the quaternary nitrogen atom in formula (40) may also be a member of a N-heterocyclic ring which may be unsubstituted or substituted and may contain further hetero atoms, m is 1, 2 or 3, and
- z is an integer from 1 to 3.
- Quaternary ammonium salts containing two and three polymerisable double bonds are preferred.
- Particularly preferred quaternary ammonium salts are those of formulae , , , , , , , ,
- R 41 and R 42 are each independently of the other hydrogen or methyl and
- R* and R** are each independently of the other methyl or ethyl.
- the print pastes and dye liquors may contain the customary auxiliaries such as thickeners, dyeing assistants, fillers, dispersants, lubricants, antioxidants and polymerisation inhibitors. These last mentioned compounds are usually also added as stabilisers to the polymerisable compounds.
- the novel process is applicable to the most diverse fibres, including fibres of animal origin such as wool, silk, hairs (e.g. as felt) or regenerated fibres such as protein fibres, man-made fibres, including polyvinyl, polyacrylonitrile, polyester, polyamide or polyurethane fibres, polypropylene and, more particularly, cellulosic materials such as bast fibres, including linen, hemp, jute, ramie and, preferably, cotton, as well as cellulosic fibres such as viscose or modal fibres, copper, nitrate or saponified acetate fibres, or cellulose acetate fibres , for example secondary acetate fibres, or cellulose triacetate fibres such as Arnel®, Trilan®, Courpleta® or Tricel®.
- the above fibres can be in any of the forms of presentation used especially in the textile industry, typically filaments, yarns, woven fabrics, knitted fabrics or nonwovens such as felts.
- Preferred fibre material in the process of this invention is wool, silk, hairs, polyvinyl, polyacrylonitrile, polyester, polyamide, aramide, polypropylene or polyurethane fibres or cellulosic fibres.
- cellulose fibres woven and knitted polyester/cellulose blends as well as intimate polyester/cellulose blends.
- the treatment of the material to be dyed with a dye as defined herein can be effected in conventional manner, for example if the material is a textile fabric by impregnating the material with a dye solution in an exhaust bath or by spraying or padding with a pad solution, or by printing on a knife-coater or by the ink-jet printing method.
- the dye and colourless cationic compound can be applied together as homogeneous solution, suspension, emulsion or foam by standard methods.
- the dyed material can be irradiated in the wet, moist or dry state.
- the colourless cationic compounds and the other auxiliaries are applied together with the dye to the material to be dyed. It is, however, also possible to apply the colourless cationic compounds and/or the photoinitiators as well as the optional polymerisation co-initiators separately, conveniently in the form of a pre- or aftertreatment. If a water-insoluble photoinitiator is used and dyeing is carried out by the exhaust process or by padding, it is useful to impregnate the woven or knitted fabric first with the
- the process is particularly suitable for carrying out continuous dyeing and fixing processes.
- the process, or partial steps thereof can also be carried out batchwise.
- the novel process is carried out by passing the dyed textile material which has been treated with a solution of a colourless cationic compound at room temperature, through the beam of an electron accelerator.
- the speed at which the material is passed through the beam is such that a radiation dose of specific intensity is achieved.
- the radiation doses normally employed are in the range from 0.1 to 15 Mrad, but the radiation dose is preferably in the range from 0.1 to 4 Mrad. At a dose of less than 0.1 Mrad the fixation is usually insufficient, whereas at a dose of more than 15 Mrad the fibre material and the dye suffer damage.
- the concentrations of the dye solutions or print pastes can be chosen as in conventional dyeing and printing processes, conveniently 0.001 to 20 percent by weight, based on the fibre material.
- Dye fixation is high, typically more than 90 %.
- the dyeings obtained in the novel process have good allround fastness properties, typically good fastness to water and light.
- the special embodiment of the process will depend in particular on the kind of ionising beams used for radiation and on how they are produced. If it is desired, for example, to irradiate a roll of yarn impregnated with dye solution and a solution of the colourless compound with ⁇ -rays, then said roll is subjected to radiation sealed in a cell. If higher radiation doses are desired at a lower radiation intensity, the material can be subjected to radiation in several passes.
- a preferred embodiment of the invention comprises carrying out both fixation of the fibre material with appropriate dyes as well as dyeing or printing continuously.
- the invention further relates to colourless cationic compounds that contain at least two polymerisable double bonds and have the formulae , , , , , , ,
- R 41 and R 42 are each independentiy of the other hydrogen or methyl
- R* and R** are each independently of the other methyl or ethyl, with the exception of the compound of formula
- Parts and percentages are by weight, and the relationship between parts by weight and parts by volume is the same as that between the gram and the cubic centimetre.
- Example 1 55.5 parts by weight of N-methyldiallylamine are charged to 300 parts by weight of water at a temperature of 0°C, and then 1.5 parts by weight of
- tetrabutylammonium bromide 0.1 part by weight of sodium hydrogenphosphate and 0.2 part by weight of hydroquinone monomethyl ether are added.
- Example 2 The procedure of Example 1 is repeated, but replacing 55.5 parts by weight of N-methyldiallylamine with 85 parts by weight of dimethylaminopropylmethacrylamide, to give a clear solution of the cation of formula in the form of the chloride.
- Example 3 28.13 parts by weight of a 40 % aqueous solution of dimethylamine together with 300 parts by weight of water, 0.3 part by weight of sodium dihydrogenphosphate and an amount of surfactant are charged to a reactor at 0°C and the mixture is adjusted with 25 parts by volume of concentrated hydrochloric acid to pH 4. Then 0.2 part by weight of hydroquinone monomethyl ether are added and the reaction mixture is heated to 70°C. Then 78 parts by weight of glycidyl methacrylate are added dropwise over 15 minutes and the pH is kept constant at 6.5 by the addition of 2N hydrochloric acid. The reaction is complete after c. 2 hours, The contents of the reactor arc cooled and extracted with diethyl ether at room temperature, in the process of which a minor amount of oily substance is removed.
- the radiation doses are normally expressed in Mrad (megarad), 1 rad corresponding to an absorption of 10 -2 J/kg (joule/kg).
- the UV irradiation is carried out with a 120 watt/cm mercury medium-pressure lamp at a transport speed of 8 m/min, unless otherwise indicated.
- the fabric specified in the following Examples is printed on one side or dyed by the pad-batch process and irradiated in an inert gas atmopshere. Dyeings are irradiated on both sides in two passes. The percentage fixation is determined from the dye content of the extracts of an irradiated and unwashed sample and a non-irradiated punched sample, both measuring (2.5 cm) 2 .
- the samples are treated once at room temperature for 20 minutes with in 25 ml of a solution of 600 ml/l of phosphate buffer (pH 7) and 40 ml/l of tetramethylurea in deionised water and thereafter once with 25 ml of this solution for 20 minutes at 100°C. Both extracts of each sample are combined and measured spectroscopically. The percentage fixation is determined from the extinction (at ⁇ max ) of the extracts of the samples.
- Parts and percentages are by weight, and the relationship between parts by weight and parts by volume is the same as that between the gram and the cubic centimetre.
- Example 4 A cotton cretonne fabric is padded with a liquor consisting of 450 g/l of the aqueous solution of the cation of formula (52a) prepared according to Example 1, 30 gl of a dye of formula
- the fabric is dried and then irradiated on both sides with accelerated electrons at a dose of 1 Mrad per side to give a brilliant red dyeing.
- the dye fixation is 97 %.
- Example 5 A cotton cretonne fabric is padded with a liquor consisting of 475 g/l of the aqueous solution of the cation of formula (50a) prepared according to Example 2, 30 gl of a dye of formula (100) and 100 g/l of urea (pick-up c. 70 %). The fabric is dried and then irradiated on both sides with accelerated electrons at a dose of 1 Mrad per side to give a brilliant red dyeing. The dye fixation is 98 %.
- Example 6 A blue dyeing with a fixation of 97 % is obtained by repeating the procedure of Example 5, but replacing 30.0 g/l of the dye of formula (100) with 26.0 g/l of a dye of formula 2
- Example 7 The procedure of Example 5 is repeated, but without drying the fabric before irradiation, to give a brilliant red dyeing with 98 % dye fixation.
- Example 8 The procedure of Example 7 is repeated, but without adding urea to the liquor, to give a brilliant red dyeing with 98 % dye fixation.
- Example 9 A cotton cretonne fabric is padded with a liquor consisting of 475 g/l of the aqueous solution of the cation of formula (50a) prepared according to Example 2, 30 gl of a dye of formula (100), 10 g/l of the photoinitiator of formula (1 A) and 100 g/l of urea (pick-up c. 70 %). The fabric is dried and then irradiated with UV light to give a red dyeing. The dye fixation is 100 %.
- Example 10 The procedure of Example 9 is repeated, replacing 30 g/l of the dye of formula (100) with 26.7 g/l of a dye of formula (101), to give a blue dyeing with 100 % dye fixation.
- Example 11 The procedure of Example 10 is repeated, but without adding urea to the liquor, to give a blue dyeing with 100 % dye fixation.
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Abstract
A process for dyeing or printing organic material, preferably fibre material, which comprises applying dyes together with a colourless cationic compound containing at least two polymerisable double bonds, as well as additional optional auxiliaries, to said organic material, preferably fibre material, and subsequently fixing the dyes thereon with ionising radiation, or applying said dyes together with a colourless cationic compound containing at least two polymerisable double bonds, and at least one photoinitiator, as well as additional optional auxiliaries, to said organic material, preferably fibre material, and subsequently fixing the dyes thereon with UV light.
Description
Radiation-induced fixation of dyes
The present invention relates to a process for fixing dyes on organic materials using colourless cationic compounds that contain at least two polymerisable double bonds with ionising radiation or by irradiation with UV light in the presence of photoinitiators.
It is known that dyes, preferably those containing activated unsaturated groups, can be fixed on organic material, especially fibre material, by subjecting said material to ionising irradiation. Dyeing processes are also known in which there are used nonionic colourless compounds containing at least one polymerisable double bond and the subsequent dye fixation is effected by ionising electron beam radiation or by irradiation with UV light in the presence of photoinitiators. These dye fixation processes, however, have so far not been put into actual practice owing to the unsatisfactory fixation.
Hence it is the object of the present invention to provide a process for fixing dyes by ionising radiation or by irradiation with UV light in the presence of photoinitiators, which process makes it possible to achieve superior fixation.
It has been found that this object can be attained by the process described in this specification.
Accordingly, the invention relates to a process for dyeing or printing organic material, preferably fibre material, which comprises applying dyes together with a colourless cationic compound containing at least two polymerisable double bonds, as well as additional optional auxiliaries, to said organic material, preferably fibre material, and subsequently fixing the dyes thereon with ionising radiation, or applying said dyes, together with a colourless cationic compound containing at least two polymerisable double bonds, and at least one photoinitiator, as well as additional optional auxiliaries, to said organic material, preferably fibre material, and subsequently fixing the dyes thereon with UV light.
The distinguishing feature of the novel process is that dye and colourless cationic
compound are applied together so that only a single dyebath or only a single dye liquor is necessary, thereby achieving a markedly higher degree of fixation than in the known processes without a colourless cationic polymerisable compound. The colourless cationic compound can, however, also be applied separately before or after the actual dyeing process. A further advantage is that the process can be carried out at such a low radiation dose that less dye is destroyed, thereby resulting in great brilliance of the dyeing.
The fixation process consists in briefly subjecting a fibre material to be dyed, typically textile fibre material, after the treatment with a dye and in the presence of a colourless cationic compound that contains at least two polymerisable double bonds, as well as additional optional auxiliaries, in the wet, moist or dry state to ionising radiation or, in the presence of at least one photoinitiator, to irradiation with UV light The treatment of the fibre material to be dyed with a dye as defined herein can be carried out by a standard method. For example, if the material is a textile fabric, then treatment is carried out by impregnating said material with a dye solution in an exhaust bath, or by spraying or by padding the material with a pad liquor, or by printing the material on a roller printer or by the ink jet method.
Ionising radiation will be understood as meaning radiation which can be produced in an ionising chamber. It consists either of electrically charged, directly ionising particles which, in gases along their path, produce ions by impact, or of uncharged, indirectly ionising particles or photons which produce in matter directly ionising charged secondary particles, typically the secondary electrons of X-rays or γ-rays or the recoil nuclei (especially protons) of fast neutrons. Likewise indirectly ionising particles are slow neutrons which are able to produce energy-rich charged particles by nuclear reactions in part direct, in part via photons from (β,γ) processes. Suitable heavy charged particles are protons, atomic nuclei or ionised atoms. Of particular importance for the inventive process are light, charged particles, for example electrons. Suitable X-ray radiation is both braking radiation and characteristic radiation. Important particle radiation of heavy charged particles is typically α-radiation.
The ionising radiation can be produced by one of the standard methods. Thus, for example, spontaneous nuclear transformations and also nuclear reactions (enforced nuclear transformations) can be used to produce ionising radiation. Suitable sources of radiation are natural or synthetic radioactive substances and, more particularly, atomic reactors. The radioactive fission products produced by nuclear fission in such reactors are
a further important source of radiation.
A further possible method of producing radiation is that using an X-ray tube.
Of particular importance are beams which consist of particles accelerated in electric fields. Suitable sources of radiation here are thermal, electron impact, low tension arc, cold cathode and high-frequency ion sources.
Electron beams are of particular importance for the inventive process. These are produced by acceleration and bunching of electrons which are triggered by thermionic emission, field emission or photoemission a as well as by electron or ion bombardment from a cathode. Sources of radiation are electron guns and accelerators of conventional make. Typical sources of radiation are known from the literature, e.g. International Journal of Electron Beam & Gamma Radiation Processing, in particular 1/89 pages 11-15; Optik, 77 (1987), pages 99-104.
Sources of radiation for electron beams are also β-emitters such as strontium-90.
Suitable technically useful ionising beams are also γ-rays, which can be readily produced with caesium- 137 or cobalt-60 isotope sources.
When using ultraviolet radiation, the presence of a photoinitiator is necessary. The photoinitiator absorbs the radiation to produce free radicals that initiate the
polymerisation. Illustrative examples of photoinitiators or photosensitisers suitable for use in the practice of this invention are carbonyl compounds such as 2,3-hexanedione, diacetyl acetophenone, benzoin and benzoin ethers such as dimethyl, ethyl and butyl derivatives, typically 2,2-diethoxyacetophenone and 2,2-dimethoxyacetophenone, benzophenone or a benzophenone salt and phenyl-(1-hydroxycyclohexyl)ketone or a ketone of formula
benzophenone in conjunction with a catalyst such as triethylamine, N,N'-dibenzylamine
and dimethylaminoethanol and benzophenone plus Michler's ketone; acylphosphine oxides; nitrogen-containing compounds such as diazomethane, azobisisobutyronitrile, hydrazine, phenylhydrazine as well as trimethylbenzylammonium chloride; and sulfur-containing compounds such as benzenesulfonate, diphenyl disulfide as well as tetramethylthiuram disulfide. Such photosensitisers are used singly or together with one another.
The amount of photosensitiser in the applied dye components directly before irradiation is 0.01 - 20 %, preferably 0.1 - 5 %, based on the total amount of colourless polymerisable compounds.
Water-soluble as well as water-insoluble photosensitisers are suitable. Furthermore, the copolymerisable photoinitiators mentioned, inter alia, in "Polymers Paint Colour Journal, 180, page 42f (1990)" are especially useful.
Also suitable are cationic photoinitiators such as triarylsulfonium salts, diaryliodonium salts, diaryl iron complexes or, quite generally, the structures described in "Chemistry & Technology of UV & EB Formulation for Coatings, Inks & Paints" Vol. 3, published by SITA Technology Ltd., Gardiner House, Broomhill Road, London, 1991.
It is preferred to use acylphosphine oxides such as (2,4,6- trimethylbenzoyl)(diphenyl)-phosphine oxide or a photoinitiator of formula
or
It is particularly preferred to use the photoinitiator of formula
Furthermore, it is also possible to add, besides the photosensitiser, polymerisation co-initiators such as peroxides or aliphatic azo compounds which are activated by an additional hot air process step and initiate the polymerisation.
The customary catalysts which form free radicals can be used for the polymerisation or copoylmerisation. Typical catalysts are hydrazine derivatives such as hydrazine hydrochloride, organometallic compounds such as tetraethyl lead, and, in particular, aliphatic azo compounds such as α,α'-azoisobutyrodinitrile and organic peroxides, chloroacetyl peroxide, trichloroacetyl peroxide, benzoyl peroxide, chlorobenzoyl peroxide, benzoyl acetylperoxide, propionyl peroxide, fluorochloropropionyl peroxide,
lauryl peroxide, cumene hydroperoxide, cyclohexanone hydroperoxide, tert-butyl hydroperoxide, di-tert-butyl peroxide, di-tert-amyl peroxide and p-methane
hydroperoxide, and inorganic peroxide compounds such as sodium peroxide, alkali percarbonates, alkali persulfates or alkali perborates and, preferably, hydrogen peroxide, which can with advantage replace expensive benzoyl peroxide. The amount of catalyst to be added will depend in known manner on the desired reaction course or on the desired properties of the polymer. It is advantageous to use about 0.05 to 10 % by weight, based on the total amount of binder or binder mixture.
The UV light used is suitably radiation whose emission is in the range from 200 to 450 nm, preferably from 210 to 400 nm. The radiation is preferably produced artificially with high-pressure, medium-pressure or low-pressure mercury vapour lamps, halogen lamps, metal halide lamps, xenon or tungsten lamps, carbon arc lamps or fluorescent tubes, H- and D-lamps, superactinic fluorescent lamps and lasers.
It is advantageous to use capillary mercury high-pressure lamps or mercury high-pressure lamps or mercury low-pressure lamps. It is particularly advantageous to use mercury high-pressure lamps and mercury medium-pressure lamps which may also be doped with iron or gallium halide. These lamps can also be activated by microwaves or pulse-operated to concentrate the radiation in peaks. Pulsed operation is also possible when using xenon lamps if a higher proportion of long-wave UV light is required.
The standard UV sources of radiation are those described in "Chemistry & Technology of UV & EB Formulation for Coatings, Inks & Paints", Vol. 1, published by SITA
Technology, Gardiner House, Broomhill Road, London, 1991.
The precise radiation time of the dyeings or prints will depend on the intensity of the UV source, the distance from the light source, the type and amount of photosensitiser and the permeability of the formulation and the textile substrate to UV light.
Normal radiation times are from 1 second to 2 minutes, preferably from 2 seconds to 1 minute. The fixation can be terminated by discontinuing the irradiation so that it can also be carried out batchwise.
Irradiation may be carried out in an inert gas atmosphere to prevent oxygen inhibition; but this precautionary measure is usually not necessary. Oxygen inhibition can also be
effectively prevented by the addition of anti-blocking agents, i.e. amines and also, more particularly, aminoacrylates.
Dyes suitable for this fixation process are those whose chromophoric systems belong to a wide range of classes, typically the monoazo or polyazo, metal complex azo,
anthraquinone, phthalocyanine, formazan, azomethine, nitroaryl, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, naphthoquinone, pyrenequinone or perylenetetracarbimide series.
Particularly suitable dyes include the direct dyes and the reactive dyes.
By direct dyes are meant those described in the Colour Index 3rd edition (3rd Revision 1987, including Additions and Amendments to No. 85) as "Direct Dyes".
By reactive dyes are meant those dyes that contain one or more than one reactive group, for example those described in the Colour Index 3rd edition (3rd Revision 1987, including Additions and Amendments to No. 85) as "Reactive Dyes".
Reactive groups will be understood as meaning fibre-reactive radicals that are able to react with the hydroxyl groups of celulose, the amino, carboxyl, hydroxyl and thiol groups of wool and silk, or with the amino and carboxyl groups of synthetic polyamides to form covalent chemical bonds. The reactive groups are usually bonded direct or through a linking group to the dye radical. Suitable reactive groups are typically those that contain at least one removable substituent present on an aliphatic, aromatic or heterocyclic radical or wherein the cited radicals carry a radical that is suitable for reaction with the fibre material, typically a triazine radical.
Reactive groups are typically radicals containing carbocyclic or heterocyclic 4-, 5- or 6-membered rings substituted by a removable atom or a removable group. Suitable heterocyclic radicals are typically those that carry at least one removable substituent attached to a heterocyclic radical, including those that carry at least one reactive substituent attached to a 5- or 6-membered heterocyclic ring, typically to a monoazine, diazine, triazine, pyridine, pyrimidine, pyridazine, pyrazine, thiazine, oxazine or asymmetric or symmetric triazine ring, or to such a ring system that contains one or more than one fused aromatic ring, typically a quinoline, phthalazine, quinoline, quinazoline,
quinoxaline, acridine, phenazine and phenanthridine ring system. In addition, the cited heterocyclic fibre-reactive radicals may contain further fibre-reactive radicals linked through a direct bond or through a linking group, for example the radicals listed above.
Further suitable reactive groups are those that contain at least one activated unsaturated group, preferably an unsaturated aliphatic group, typically the vinyl, halovinyl, styryl, acryloyl or methacryloyl group, or contain at least one polymerisable ring system. Such groups typically include the unsaturated groups that contain halogen atoms such as halomaleic acid and halopropiolic acid radicals, the α- or β-bromo- or chloroacryloyl groups, halogenated vinylacetyl groups, halocrotonyl or halomethacryloyl groups. Those groups are also suitable which are readily converted into halogen-containing unsaturated groups, conveniently by dehydrohalogenation, for example the dichloropropionyl group or the dibromopropionyl group. Halogen atoms in this context will be taken to mean fluorine, chlorine, bromine and iodine atoms as well as pseudohalogen atoms such as the cyano group. Good results are also obtained by the process of this invention with dyes that contain a α-bromoacryloyl group. Dyes that contain a polymerisable double bond are preferably those that contain at least one acryloyl, methacryloyl, α-bromoacryloyl, α-chloroacryloyl, vinyl or vinylsulfonyl radical. Most preferred are those dyes that contain at least one acryloyl, α-bromacryloyl or vinylsulfonyl radical. Suitable dyes that contain a polymerisable ring system are preferably those that contain at least one epoxide radical.
Further removable atoms or removable groups are typically ammonium including hydrazinium, sulfato, thiosulfato, phosphato, acetoxy, propionoxy or carboxypyridinium.
The linking group between the dye radical and the fibre-reactive radical, or the linking group between two fibre-reactive radicals, is suitably any radical in addition to the direct bond. The linking group is typically an aliphatic or heterocyclic radical, and may also be comprised of different radicals of this type. The linking group usually contains at least one functional group, typically the carbonyl group or the amino group, which amino group may be further substituted by C1-C4alkyl or C1-C4alkyl which is substituted by halogen, hydroxy, cyano, C1-C4alkoxy, C1-C4alkoxycarbonyl, carboxy, sulfamoyl, sulfo or sulfato. An aliphatic radical may typically be an alkylene radical of 1 to 7 carbon atoms or the branched isomers thereof. The carbon chain of the alkylene radical may be interrupted by a hetero atom, typically an oxygen atom. An aromatic radical may typically be a phenyl radical that may be substituted by C1-C4alkyl such as methyl or ethyl, C1-C4alkoxy such as methoxy or ethoxy, halogen such as fluoro, bromo or, preferably, chloro, carboxy or
sulfo; and a heterocyclic radical may suitably be a piperazino radical. Illustrative examples of such linking groups are:
-CO-N(R1)-(CH2)2-3-; -CO-N(R1)-(CH2)2-O-(CH2)2-;
-N(R1)-CO-(CH2)3-; -N(R1)-;
-N(R1)-(CH2)2-O-(CH2)2-; -O-(CH2)2-;
-CH2-N(R1)-; ;
;
In the above formulae R1 is hydrogen or C1-C4alkyl which may be substituted by halogen, hydroxy, cyano, C1-C4alkoxy, C1-C4alkoxycarbonyl, carboxy, sulfamoyl, sulfo or sulfato.
Interesting reactive groups are 1,3,5-triazine radicals of formula
wherein T1 is fluoro, chloro or carboxypyridinium and preferred substituents V1 at the triazine ring are:
fluoro, chloro, -NH2, C1-C6alkylamino, N,N-di-C1-C6alkylamino, cyclohexylamino, N,N-dicyclohexylamino, benzylamino, phenethylamino, phenylamino, naphthylamino, N-C1-C6alkyl-N-cyclohexylamino or N-C1-C6alkyl-N-phenylamino, or morpholino, piperidino, piperazino, hydrazino or semicarbazido, or an amino group which is substituted by a furan, thiophene, pyrazole, pyridine, pyrimidine, quinoline,
benzimidazole, benzothiazole or benzoxazole radical. The cited alkyl, cycloalkyl, aralkyl and aryl radicals and the heterocyclic radicals may be further substituted as indicated in
connection with formula (1).
V1 in the radical of formula (1) is most preferably fluoro, chloro, phenylamino or N-C1-C4alkyl-N-phenylamino, in which two last mentioned radicals the phenyl rings may be substituted by halogen such as fluoro, chloro or bromo, nitro, cyano, trifluoromethyl, sulfamoyl, carbamoyl, C1-C4alkyl, C1-C4alkoxy, acylamino groups such as acetylamino or benzoylamino, ureido, hydroxy, carboxy, sulfomethyl or, preferably, sulfo.
Interesting fibre reactive radicals typically include those of formula
carboxypyridinium and B is a linking group.
The linking group B may typically be a radical of formula
or
wherein R1 and R1' are each independently of the other hydrogen or C1-C4alkyl or C1-C4alkyl which is substituted by halogen, hydroxy, cyano, C1-C4alkoxy,
C1-C4alkoxycarbonyl, carboxy, sulfamoyl, sulfo or sulfato, and X is a C1-C6alkylene or C5-C9cycloalkylene radical which is unsubstituted or substituted by hydroxy, sulfo, sulfato, C1-C4alkoxy, carboxy or halogen, or is a phenylene, biphenylene or naphthylene radical, each unsubstituted or substituted by C1-C4alkyl, C1-C4alkoxy, sulfo, halogen or carboxy.
Further interesting reactive groups are those of formula
),
wherein T4 is fluoro, chloro or carboxypyridinium, and V2 is a radical of formula
wherein R1 is hydrogen or C1-C4alkyl which may be substituted by halogen, hydroxy, cyano, C1-C4alkoxy, C1-C4alkoxycarbonyl, carboxy, sulfamoyl, sulfo or sulfato; B1 is a direct bond or a radical
or
; n = 1, 2, 3, 4, 5 or 6; and R is a radical of formula
-N[(CH2)s-SO2-Z]2 (4f) or
wherein R1 is hydrogen or C1-C6alkyl, alk is an alkylene radical of 1 to 7 carbon atoms, T is hydrogen, halogen, hydroxy, sulfato, carboxy, cyano, C1-C4alkanoyloxy, C1-C4alkoxycarbonyl, carbamoyl or a radical -SO2-Z, V is hydrogen, unsubstituted or substituted C1-C4alkyl or a radical of formula
wherein (alk) is as previously defined, each alk' is independently polymethylene of 2 to 6 carbon atoms, Z is ß-sulfatoethyl, ß-thiosulfatoethyl, ß-phosphatoethyl, ß-acyloxyethyl, ß-haloethyl, vinyl or , wherein R30 and R31 are each
independently of the other hydrogen or C1-C3alkyl which is unsubstituted or substituted by SO3H, p, q, r and t are each independently of one another 1, 2, 3, 4, 5 or 6, and s is 2, 3, 4, 5 or 6; and the benzene ring in formula (4) may contain further substituents; or wherein V2 is a radical of formula (4a), (4b), (4c), (4d), (4e), (4f) or (4g) which is attached direct to the triazine ring, wherein R', T, alk, V, alk', Z, p, q, r, s and t have the given meanings; or wherein V2 is a radical of formula
wherein R1 and Z have the given meanings and the benzene ring may be further substituted.
Further possible substituents of the benzene rings of the compounds of formulae (4) and (4') are halogen such as fluoro, chloro or bromo, nitro, cyano, trifluoromethyl, sulfamoyl, carbamoyl, C1-C4alkyl, C1-C4alkoxy, acylamino groups such as acetylamino or benzoylamino, ureido, hydroxy, carboxy, sulfomethyl and sulfo.
The radical B1 contains 1 to 6, preferably 1 to 4, carbon atoms. Typical examples of B2 are: methylene, ethylene, propylene, butylene, methyleneoxy, ethyleneoxy, propyleneoxy
and butyleneoxy. If B1 is a radical— O—(-CH2-)— , then B! is attached through the oxygen atom to the benzene ring. Preferably B1 is a direct bond.
Z as ß-haloethyl is preferably ß-chloroethyl and, as ß-acyloxyethyl, is preferably ß-acetoxyethyl. The alkylene radical alk is preferably methylene, ethylene,
methylmethylene, propylene or butylene. The substituent T as alkanoyloxy is preferably acetoxy, propionyloxy or butyryloxy and, as alkoxycarbonyl radical, is preferably methoxycarbonyl, ethoxycarbonyl or propoxycarbonyl. An alkyl radical V may be methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl or tert-butyl. The radical R' is typically methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl or hexyl or, preferably, hydrogen. The polymethylene radicals alk' are preferably ethylene, propylene or butylene. The indices p, q and t are each independently of one another preferably 2, 3 or 4. The indices r and s are each independently of the other preferably 2.
Preferred radicals V2 are those of formula (4), wherein B1 is a direct bond and R is a radical of formula (4a), or wherein V2 is a radical of formula (4b), (4c) or (4f) which is attached direct to the triazine ring, or wherein V2 is a radical of formula (4').
Preferred aliphatic reactive groups are those of formulae
-SO2Z (5a),
-SO2-NH-Z (5b),
-NH-CO-(CH2)3-SO2Z (5c),
-CO-NH-CH2CH2-SO2Z (5d) and
-NH-CO-Z1 (5e), wherein Z is as defined above, Z1 has the meanings of Z and may additionally be α,ß-dihaloethyl.
Halogen in the ß-haloethyl, α,ß-dihaloethyl and α-haloacryloyl groups represented by Z1 are preferably chloro and bromo.
Particularly preferred aliphatic reactive groups are those of formula (5a), as well as those of formulae (5c) and (5d). In these radicals, Z is preferably ß-sulfatoethyl or ß-haloethyl.
Most preferably the reactive dyes contain at least one reactive group of formulae (1), (2),
(3) and (5a) bis (5e), wherein T1, T2, T3, T4, V1, V2, B, Z and Z1 have the meanings and preferred meanings assigned to them above.
The reactive dyes are preferably derived from the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide dye, preferably from the radical of a monoazo, disazo, metal complex azo, formazane-, anthraquinone, phthalocyanine or dioxazine dye. In addition to containing the reactive group, the reactive dyes may contain in the molecule the customary substituents of organic dyes as further substituents.
Typical examples of such further substituents of the reactive dyes are: alkyl groups of 1 to 4 carbon atoms such as methyl, ethyl, propyl, isopropyl or butyl, alkoxy groups of 1 to 4 carbon atoms, typically methoxy, ethoxy, propoxy, isopropoxy or butoxy, acylamino groups of 1 to 8 carbon atoms, preferably alkanoylamino groups and alkoxycarbonylamino groups such as acetylamino, propionylamino, methoxycarbonylamino, ethoxycarbonylamino or benzoylamino, phenylamino, N-N-di-ß-hydroxyethylamino,
N,N-di-ß-sulfatoethylamino, sulfobenzylamino, N,N-disulfobenzylamino, alkoxycarbonyl containing 1 to 4 carbon atoms in the alkoxy moiety, typically methoxycarbonyl or ethoxycarbonyl, alkylsulfonyl of 1 to 4 carbon atoms, typically methylsulfonyl or ethylsulfonyl, trifluoromethyl, nitro, cyano, halogen such as fluoro, chloro or bromo, carbamoyl, N-alkylcarbamoyl containing 1 to 4 carbon atoms in the alkyl moiety, typically N-methylcarbamoyl or N-ethylcarbamoyl, sulfamoyl, N-alkylsulfamoyl of 1 to 4 carbon atoms, e.g. N-methylsulfamoyl, N-ethylsulfamoyl, N-propylsulfamoyl, N-isopropylsulfamoyl or N-butylsulfamoyl, N-(ß-hydroxyethyl)sulfamoyl, N,N-bis(ß-hydroxyethyl)sulfamoyl, N-phenylsulfamoyl, ureido, hydroxy, carboxy, sulfomethyl or sulfo as well as further fibre-reactive radicals. The reactive dyes preferably contain one or more than one sulfonic acid group.
The reactive dyes are preferably derived from the following dye radicals: a) Dye radicals of a 1 : 1 copper complex azo dye of the benzene or naphthalene series in which the copper atom is attached to a metallisable group on both sides in ortho-position to the azo bridge. b) Particularly preferred dye radicals are the radicals of a mono- or disazo dye of formula
D1-N=N-(M-N=N)u-K- (6a),
- D1-N=N-(M-N=N)u-K (6b) or
- D1-N=N-(M-N=N)u-K- (6C), or of a metal complex derived therefrom; D1 is the radical of a diazo component of the benzene or naphthalene series, M is the radical of a middle component of the benzene or naphthalene series, and K is the radical of a coupling component of the benzene, naphthalene, pyrazolone, 6-hydroxypyrid-2-one or acetoacetylarylamide series, and D1, M and K may carry the customary substituents of azo dyes, preferably hydroxy, amino, methyl, ethyl, methoxy or ethoxy groups, unsubstituted or substituted alkanoylamino groups of 2 to 4 carbon atoms, unsubstituted or substituted benzoylamino groups, halogen atoms, or a fibre-reactive radical, preferably a -SO2-Z radical, wherein Z is ß-sulfatoethyl, ß-thiosulfatoethyl, ß-phosphatoethyl, ß-acyloxyethyl, ß-haloethyl or vinyl; u = 0 or 1; and D1, M and K together contain at least two sulfo groups, preferably three or four sulfo groups. c) Particularly preferred dye radicals are also the dye radicals of a disazo dye of formula
- D1-N=N-K-N=N-D2 (7a) or
- D1-N=N-K-N=N-D2- (7b), wherein D1 and D2 are each independently of the other the radical of a diazo component of the benzene or naphthalene series, and K is the radical of a coupling component of the naphthalene series; and D1, D2 and K may carry the customary substituents of azo dyes, preferably hydroxy, amino, methyl, ethyl, methoxy or ethoxy groups, unsubstituted or substituted alkanoylamino groups of 2 to 4 carbon atoms, unsubstituted or substituted benzoylamino groups, halogen atoms or a fibre-reactive radical, preferably a -SO2-Z radical, wherein Z has the given meaning, and D1, D2 and K together contain at least two sulfo groups, prfeerably three or four sulfo groups.
Important dye radicals are
wherein the benzene nuclei may be further substituted by alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms, halogen or carboxy. e) Dye radicals of an anthraquinone dye of formula ,
wherein G is a phenylene, cyclohexylene, phenylenemethylene or C2-C6alkylene radical; and the anthraquinone nucleus may be substituted by a further sulfo group, and a phenyl radical G may be substituted by alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, halogen, carboxy or sulfo, and the dye preferably contains at least 2 sulfo groups.
f) Dye radicals of a phthalocyanine dye of formula ,
wherein Pc is the radical of a copper or nickel phthalocyanine; W is -OH and/or -NR5R5 ; R5 and R5. are each independentiy of the other hydrogen or alkyl of 1 to 4 carbon atoms which may be substituted by hydroxy or sulfo; R4 is hydrogen or alkyl of 1 to 4 carbon atoms; E is a phenylene radical which may be substituted by alkyl of 1 to 4 carbon atoms, halogen, carboxy or sulfo; or is an alkylene radical of 2 to 6 carbon atoms, preferably a sulfophenylene or an ethylene radical; and k = 1, 2 or 3. g) Dye radicals of a dioxazine dye of formula
or
wherein E is a phenylene radical which may be substituted by alkyl of 1 to 4 carbon atoms, halogen, carboxy or sulfo; or is an alkylene radical of 2 to 6 carbon atoms; and the outer benzene rings in the formula (11a) and (11b) may be further substituted by alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, acetylamino, nitro, halogen, carboxy, sulfo or -SO2-Z in which Z is ß-sulfatoethyl, ß-thiosulfatoethyl, ß-phosphatoethyl,
ß-acyloxyethyl, ß-haloethyl, vinyl or , wherein R30 and R31 are
each independently of the other hydrogen or C1-C3alkyl which is unsubstituted or substituted by SO3H.
It is also particularly preferred to use dyes containing the radical of formula (12a) to (12j)
wherein (R7)1-3 denotes 1 to 3 substituents selected from the group consisting of C1-4alkyl, C1-4alkoxy, halogen, carboxy and sulfo;
wherein (R9)1-3 denotes 1 to 3 substituents selected from the group consisting of C1-4alkyl, C1-4alkoxy, halogen, carboxy and sulfo;
wherein (R10)1-3 denotes 1 to 3 substituents selected from the group consisting of C1-4alkyl, C1-4alkoxy, halogen, carboxy and sulfo;
wherein (R 13)0-3 denotes 0 to 3 substituents selected from the group consisting of C1-4alkyl, C1-4alkoxy, halogen, carboxy and sulfo;
,
wherein R14 and R15 are each independently of the other hydrogen, C1-4alkyl or phenyl, and R16 is hydrogen, cyano, carbamoyl or sulfomethyl;
,
wherein (R17)14 denotes 1 to 4 substituents selected from the group consisting of hydrogen, halogen, nitro, cyano, trifluoromethyl, sulfamoyl, carbamoyl, C1-4alkyl, C1-4alkoxy, amino, acetylamino, ureido, hydroxy, carboxy, sulfomethyl and sulfo, each independently of one another;
A2 is hydrogen or C1- C3alkyl,
T5 is a radical of formula
, , ,
(
Z2 and Z3 are each independently of the other hydrogen or the radicals of formulae
, , - SO2 -CH = CH2 ,
,
X2 is chloro or fluoro,
X1 and X1' are each independently of the other hydrogen, chloro, bromo or methyl, and
A1 is a direct bond, - C2H4- O - C2H4- , or
Particularly suitable direct dyes are phthalocyanine dyes, dioxazine dyes and dyes of formula
A3-B3-A4 (34a) in which dyes of formula (34a) B3 is a linking group and A3 and A4 are each
independently of the other a radical of a monoazo, polyazo, metal complex azo, stilbene or anthraquinone dye,
or wherein B3 and A3 have the given meanings and A4 is a phenyl or naphthyl radical which is substituted by a heterocyclic radical or a benzoylamino or phenylamino group, or a reactive group as defined above,
or wherein B3 is a direct bond and A3 and A4 are each the radical of a metal complex azo dye,
or dyes of formula
A5 - NH - L1 (34b), wherein
A5 is the chromophoric radical of an organic dye, and
L1 is a radical of formula
X4 and X4' are each independently of the other a direct bond, NH, NR, O or S,
R2 and R2' are each independently of the other hydrogen, aromatic, aliphatic or cycloaliphatic radicals which are unsubstituted or substituted by halogen, OR", COOR", SO3H or aralkyl which is unsubstituted or substituted by halogen, OR", COOR" or SO3H, and R" is hydrogen or C1- C6alkyl.
Suitable linking groups B3 in formula (34a) are typically the following groups:
-N=N- (35h) und
-CH=CH- (35i), wherein R25 and R25 are each independently of the other unsubstituted or substituted C1-C8alkyl or, preferably, hydrogen, X3 and X5 are linking groups and Y and Y' are each independentiy of the other hydroxy, C1-C4alkoxy, chloro, bromo, C1-C4alkylthio, amino, N-mono- or N,N-di-C1-C4alkylamino which are each unsubstituted or substituted in the alkyl moiety by hydroxy, sulfo, carboxy or C1-C4alkoxy, or cyclohexylamino, or phenylamino or N-C1-C4alkyl-N-phenylamino which are each unsubstituted or substituted in the phenyl nucleus by C1-C4alkyl, C1-C4alkoxy, carboxy, sulfo and/or halogen, or are morpholino or 3-carboxy- or 3-carbamoylpyridin-l-yl.
R25 and R25 as C1-C8alkyl may be unsubstituted or substituted by e.g. halogen, hydroxy, cyano, C1-C4alkoxy, C1-C4alkoxycarbonyl, carboxy, sulfamoyl, sulfo or sulfato.
The linking group X3 in formula (35c) is preferably a C1-C6alkylene or
C5-C9cycloalkylene radical which is unsubstituted or substituted by hydroxy, sulfo, sulfato, C1-C4alkoxy, carboxy or halogen, or a phenylene, biphenylene or naphthylene radical, each unsubstituted or substituted by C1-C4alkyl, C1-C4alkoxy, sulfo, halogen or carboxy. X3 is preferably an unsubstituted or a sulfo-substituted phenylene radical.
Suitable linking groups X5 in formula (35e) are typically the following radicals of formulae:
and, preferably,
The radicals R2 and R2' in formula (34b) are preferably C1-C6alkyl or C1-C6alkylene radicals, typically methyl ethyl and isopropyl, which may be substituted by carboxy or phenyl; and also phenols which may be substituted by carboxy; and unsubstituted or substituted benzyl radicals; as well as radicals of formulae and
wherein R" is as defined in connection with formula (34b).
Particularly preferred dyes are those of formula (34a), wherein B3 and A3 have the given meanings and A4 is a phenyl radical which is substituted by benzothiazolyl,
benzisothiazolyl or naphthotriazolyl, and the phenyl radical and the benzothiazolyl, benzisothiazolyl and naphthotriazolyl substituents of the phenyl radical may each independently of one another be substituted by C1-C4alkyl, C1-C4alkoxy, halogen, carboxy, hydroxy, sulfo, sulfamoyl, ureido, amino which may be further substituted by C1-C4alkyl or C1-C4hydroxyalkyl, or by C1-C6alkanoyl or C1-C6alkanoylamino which
may be further substituted in the alkyl moiety by hydroxy.
Particularly preferred dyes are also the direct dyes of formula (34b), wherein L1 is a radical of formula
wherein
X6 is halogen and R" is as defined for formula (34b).
The reactive dyes as well as the direct dyes preferably contain at least one
water-solubilising group, typically a sulfo or sulfato group, and are in this case in the form of the free acid or, preferably, of salts thereof such as alkali metal, alkaline earth metal or ammonium salts or as salts of an organic amine. Illustrative examples of such salts are the sodium, potassium, lithium or ammonium salts or the salt of triethanolamine.
The reactive dyes and direct dyes are known or can be obtained by methods analogous to those for preparing known dyes.
The cationic compounds eligible for use in the practice of this invention are conveniently colourless or almost colourless quaternary ammonium salts that additionally carry at least two polymerisable double bonds. Preferred cationic compounds are those of the general formula
(R2R3R3,R3,,N)m +(A)m- , (40), wherein R2 is a radical of formula
CH2= CX7 - Y1 - Q4 - (40a), wherein
X7 is hydrogen, halogen or C1- C2alkyl,
Y1 is - CO - O - oder - CO - NH - ,
Q4 is - CH2- CHOH - CH2- or - (CH2)z- ,
A is an anion selected from the group consisting of the halides, sulfates and C1- C2alkylsulfates,
R3 is allyl or R2 ,
R3, and R3" are each independently of the other hydrogen, C1-C24alkyl, allyl or R2, or the quaternary nitrogen atom in formula (40) may also be a member of a N-heterocyclic ring which may be unsubstituted or substituted and may contain further hetero atoms, m is 1, 2 or 3, and
z is an integer from 1 to 3.
Quaternary ammonium salts containing two and three polymerisable double bonds are preferred.
wherein
R41 and R42 are each independently of the other hydrogen or methyl and
R* and R** are each independently of the other methyl or ethyl.
In addition to containing dye and novel polymerisable cationic compounds, the print pastes and dye liquors may contain the customary auxiliaries such as thickeners, dyeing assistants, fillers, dispersants, lubricants, antioxidants and polymerisation inhibitors. These last mentioned compounds are usually also added as stabilisers to the polymerisable compounds.
The novel process is applicable to the most diverse fibres, including fibres of animal origin such as wool, silk, hairs (e.g. as felt) or regenerated fibres such as protein fibres, man-made fibres, including polyvinyl, polyacrylonitrile, polyester, polyamide or polyurethane fibres, polypropylene and, more particularly, cellulosic materials such as bast fibres, including linen, hemp, jute, ramie and, preferably, cotton, as well as cellulosic fibres such as viscose or modal fibres, copper, nitrate or saponified acetate fibres, or cellulose acetate fibres , for example secondary acetate fibres, or cellulose triacetate fibres such as Arnel®, Trilan®, Courpleta® or Tricel®.
The above fibres can be in any of the forms of presentation used especially in the textile industry, typically filaments, yarns, woven fabrics, knitted fabrics or nonwovens such as felts.
Preferred fibre material in the process of this invention is wool, silk, hairs, polyvinyl, polyacrylonitrile, polyester, polyamide, aramide, polypropylene or polyurethane fibres or cellulosic fibres.
It is especially preferred to use cellulose fibres, woven and knitted polyester/cellulose blends as well as intimate polyester/cellulose blends.
The treatment of the material to be dyed with a dye as defined herein can be effected in conventional manner, for example if the material is a textile fabric by impregnating the material with a dye solution in an exhaust bath or by spraying or padding with a pad solution, or by printing on a knife-coater or by the ink-jet printing method. The dye and colourless cationic compound can be applied together as homogeneous solution, suspension, emulsion or foam by standard methods.
The dyed material can be irradiated in the wet, moist or dry state.
Usually the colourless cationic compounds and the other auxiliaries are applied together with the dye to the material to be dyed. It is, however, also possible to apply the colourless cationic compounds and/or the photoinitiators as well as the optional polymerisation co-initiators separately, conveniently in the form of a pre- or aftertreatment. If a water-insoluble photoinitiator is used and dyeing is carried out by the exhaust process or by padding, it is useful to impregnate the woven or knitted fabric first with the
photoinitiator and then to dye the fabric with the dye liquor which may also contain the photoinitiator.
The process is particularly suitable for carrying out continuous dyeing and fixing processes. However, the process, or partial steps thereof, can also be carried out batchwise.
The novel process is carried out by passing the dyed textile material which has been treated with a solution of a colourless cationic compound at room temperature, through the beam of an electron accelerator. The speed at which the material is passed through the beam is such that a radiation dose of specific intensity is achieved. The radiation doses normally employed are in the range from 0.1 to 15 Mrad, but the radiation dose is preferably in the range from 0.1 to 4 Mrad. At a dose of less than 0.1 Mrad the fixation is
usually insufficient, whereas at a dose of more than 15 Mrad the fibre material and the dye suffer damage. The concentrations of the dye solutions or print pastes can be chosen as in conventional dyeing and printing processes, conveniently 0.001 to 20 percent by weight, based on the fibre material. Dye fixation is high, typically more than 90 %. The dyeings obtained in the novel process have good allround fastness properties, typically good fastness to water and light.
When carrying out the novel process, regard must naturally be had to the particular technical requirements. Thus the special embodiment of the process will depend in particular on the kind of ionising beams used for radiation and on how they are produced. If it is desired, for example, to irradiate a roll of yarn impregnated with dye solution and a solution of the colourless compound with γ-rays, then said roll is subjected to radiation sealed in a cell. If higher radiation doses are desired at a lower radiation intensity, the material can be subjected to radiation in several passes.
To prevent destructive oxidation of the dye, it is useful to carry out the irradiation in an inert gas atmosphere, conveniently under nitrogen.
A preferred embodiment of the invention comprises carrying out both fixation of the fibre material with appropriate dyes as well as dyeing or printing continuously.
The invention further relates to colourless cationic compounds that contain at least two polymerisable double bonds and have the formulae ,
,
,
,
,
,
wherein
R41 and R42 are each independentiy of the other hydrogen or methyl, and
R* and R** are each independently of the other methyl or ethyl, with the exception of the compound of formula
The compounds of formulae (50) to (53) are prepared in accordance with the following Examples.
Parts and percentages are by weight, and the relationship between parts by weight and parts by volume is the same as that between the gram and the cubic centimetre.
Example 1: 55.5 parts by weight of N-methyldiallylamine are charged to 300 parts by weight of water at a temperature of 0°C, and then 1.5 parts by weight of
tetrabutylammonium bromide, 0.1 part by weight of sodium hydrogenphosphate and 0.2 part by weight of hydroquinone monomethyl ether are added.
Then 50 parts by volume of concentrated hydrochloric acid are added dropwise and the pH is adjusted to 6. The reaction mixture is heated to 60°C and 75 parts by weight of glycidyl methacrylate are added dropwise over 20 minutes and the temperature is raised to 75°C. The reaction mixture is stirred at this temperature for a further 30 minutes, while keeping a constant pH of 6 by addition of 2N hydrochloric acid. Complete conversion of the amine is determined by titration with NaOH. A clear solution of the cation of formula
in the form of the chloride is obtained.
Example 2: The procedure of Example 1 is repeated, but replacing 55.5 parts by weight of N-methyldiallylamine with 85 parts by weight of dimethylaminopropylmethacrylamide, to give a clear solution of the cation of formula
in the form of the chloride.
Example 3: 28.13 parts by weight of a 40 % aqueous solution of dimethylamine together with 300 parts by weight of water, 0.3 part by weight of sodium dihydrogenphosphate and an amount of surfactant are charged to a reactor at 0°C and the mixture is adjusted with 25 parts by volume of concentrated hydrochloric acid to pH 4. Then 0.2 part by weight of hydroquinone monomethyl ether are added and the reaction mixture is heated to 70°C. Then 78 parts by weight of glycidyl methacrylate are added dropwise over 15 minutes and the pH is kept constant at 6.5 by the addition of 2N hydrochloric acid. The reaction is complete after c. 2 hours, The contents of the reactor arc cooled and extracted with diethyl ether at room temperature, in the process of which a minor amount of oily substance is removed.
A solution of the cation of the formula
In the following working Examples, the radiation doses are normally expressed in Mrad (megarad), 1 rad corresponding to an absorption of 10-2 J/kg (joule/kg).
The UV irradiation is carried out with a 120 watt/cm mercury medium-pressure lamp at a transport speed of 8 m/min, unless otherwise indicated.
The fabric specified in the following Examples is printed on one side or dyed by the pad-batch process and irradiated in an inert gas atmopshere. Dyeings are irradiated on both sides in two passes.
The percentage fixation is determined from the dye content of the extracts of an irradiated and unwashed sample and a non-irradiated punched sample, both measuring (2.5 cm)2. The samples are treated once at room temperature for 20 minutes with in 25 ml of a solution of 600 ml/l of phosphate buffer (pH 7) and 40 ml/l of tetramethylurea in deionised water and thereafter once with 25 ml of this solution for 20 minutes at 100°C. Both extracts of each sample are combined and measured spectroscopically. The percentage fixation is determined from the extinction (at λmax) of the extracts of the samples.
Parts and percentages are by weight, and the relationship between parts by weight and parts by volume is the same as that between the gram and the cubic centimetre.
Example 4: A cotton cretonne fabric is padded with a liquor consisting of 450 g/l of the aqueous solution of the cation of formula (52a) prepared according to Example 1, 30 gl of a dye of formula
and 100 g/l of urea (pick-up c. 70 %). The fabric is dried and then irradiated on both sides with accelerated electrons at a dose of 1 Mrad per side to give a brilliant red dyeing. The dye fixation is 97 %.
Example 5: A cotton cretonne fabric is padded with a liquor consisting of 475 g/l of the aqueous solution of the cation of formula (50a) prepared according to Example 2, 30 gl of a dye of formula (100) and 100 g/l of urea (pick-up c. 70 %). The fabric is dried and then irradiated on both sides with accelerated electrons at a dose of 1 Mrad per side to give a brilliant red dyeing. The dye fixation is 98 %.
Example 6: A blue dyeing with a fixation of 97 % is obtained by repeating the procedure
of Example 5, but replacing 30.0 g/l of the dye of formula (100) with 26.0 g/l of a dye of formula2
Example 7: The procedure of Example 5 is repeated, but without drying the fabric before irradiation, to give a brilliant red dyeing with 98 % dye fixation.
Example 8: The procedure of Example 7 is repeated, but without adding urea to the liquor, to give a brilliant red dyeing with 98 % dye fixation.
Example 9: A cotton cretonne fabric is padded with a liquor consisting of 475 g/l of the aqueous solution of the cation of formula (50a) prepared according to Example 2, 30 gl of a dye of formula (100), 10 g/l of the photoinitiator of formula (1 A) and 100 g/l of urea (pick-up c. 70 %). The fabric is dried and then irradiated with UV light to give a red dyeing. The dye fixation is 100 %.
Example 10: The procedure of Example 9 is repeated, replacing 30 g/l of the dye of formula (100) with 26.7 g/l of a dye of formula (101), to give a blue dyeing with 100 % dye fixation.
Example 11: The procedure of Example 10 is repeated, but without adding urea to the liquor, to give a blue dyeing with 100 % dye fixation.
Claims
1. A process for dyeing or printing organic material, preferably fibre material, which comprises applying dyes together with a colourless cationic compound containing at least two polymerisable double bonds, as well as additional optional auxiliaries, to said organic material, preferably fibre material, and subsequently fixing the dyes thereon with ionising radiation, or applying said dyes together with a colourless cationic compound containing at least two polymerisable double bonds, and at least one photoinitiator, as well as additional optional auxiliaries, to said organic material, preferably fibre material, and subsequently fixing the dyes thereon with UV light.
2. A process according to claim 1, wherein the cationic colourless compound is a quaternary ammonium salt additionally containing at least two polymerisable double bonds.
3. A process according to claim 1, wherein the cationic colourless compound is a quaternary ammonium salt containing two or three polymerisable double bonds.
4. A process according to any one of claims 1 to 3, wherein the colourless quaternary ammonium compound is a quaternary ammonium salt of formula
(R2R3R3'R3"N)m +(A)m- , (40), wherein R2 is a radical of formula
CH2= CX7 - Y1 - Q4 - (40a), wherein
X7 is hydrogen, halogen or C1-C2alkyl,
Y1 is - CO - O - oder - CO - NH - ,
Q4 is - CH2- CHOH - CH2- or - (CH2)2- ,
A is an anion selected from the group consisting of the halides, sulfates and C1- C2alkylsulfates,
R3 is allyl or R2 ,
R3, and R3" are each independently of the other hydrogen, C1-C24alkyl, allyl or R2, or the quaternary nitrogen atom in formula (40) may also be a member of a N-heterocyclic ring which may be unsubstituted or substituted and may contain further hetero atoms, m is 1, 2 or 3, and
z is an integer from 1 to 3.
5. A process according to claim 4, wherein the colourless cationic compound is a quaternary ammonium salt of formula , , , , , ), and ,
wherein
R41 and R42 are each independently of the other hydrogen or methyl and
R* and R** are each independently of the other methyl or ethyl.
6. A process according to any one of claims 1 to 5, wherein the dye is a dye containing a chromophoric radical of the monoazo or polyazo series, of the metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, nitroaryl, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, naphthoquinone, pyrenequinone or perylenetetracarbimide series.
7. A process according to any one of claims 1 to 6, wherein one or more standard lamps emitting UV light are used as UV light source.
8. A process according to claim 7, which comprises the use of high-pressure, medium-pressure or low-pressure mercury vapour lamps, halogen lamps, metal halide lamps, xenon or tungsten lamps, carbon arc lamps or fluorescent tubes, H- and D-lamps, superactinic fluorescent lamps and lasers.
9. A process according to claim 8, which comprises the use of mercury high-pressure, medium-pressure or low-pressure lamps which are non-doped or doped with iron or gallium.
10. A process according to claim 9, which comprises the use of mercury high-pressure lamps or iron-doped mercury medium-pressure lamps.
11. A process according to any one of claims 1 to 10, wherein the photoinitiator is selected from the group consisting of carbonyl compounds such as 2,3-hexanedione, diacetyl acetophenone, benzoin and benzoin ethers such as dimethyl, ethyl and butyl derivatives, typically 2,2-diethoxyacetophenone and 2,2-dimethoxyacetophenone, benzophenone or a benzophenone salt and phenyl-(1-hydroxycyclohexyl)ketone or a ketone of formula , benzophenone in conjunction with a catalyst such as triethylamine, N,N'-dibenzylamine and dimethylaminoethanol and benzophenone plus Michler's ketone; acylphosphine oxides; nitrogen-containing compounds such as diazomethane, azobisisobutyronitrile, hydrazine, phenylhydrazine as well as trimethylbenzylammonium chloride; and sulfur-containing compounds such as benzenesulfonate, diphenyl disulfide as well as tetramethylthiuram disulfide and the other standard water-soluble copolymerisable photosensitisers.
12. A process according to claim 11, which comprises the use of (2,4,6- trimethylbenzoyl)(diphenyl)phosphine oxide or a photoinitiator of formula (1A) or of formula
13. A process according to claim 12, which comprises the use of a photoinitiator of formula (1A).
14. A process according to any one of claims 1 to 6, wherein the ionising radiation is carried out with electron beams produced in a particle accelerator or with β- or γ-rays.
15. A process according to claim 14, wherein a radiation dose of 0.1 to 15 Mrad is chosen.
16. A process according to any one of claims 1 to 14, wherein the irradiation is carried out in an inert gas atmosphere, preferably in a nitrogen atmosphere.
17. A process according to any one of claims 1 to 16, wherein dye fixation is carried out on suitably dyed or printed fibre materials.
18. A process according to claim 1, wherein printing is carried out with an ink-jet printer.
19. A process according to any one of claims 1 to 17, wherein fixation is carried out continuously.
20. A process according to any one of claims 1 to 19, wherein both dyeing or printing as well as fixation of the dyes on fibre material are carried out continuously.
21. A process according to any one of claims 1 to 20, wherein the fibre material is selected from the group consisting of wool, silk, hairs, polyvinyl, polyacrylonitrile, polyester, polyamide, aramide, polypropylene or polyurethane fibres, cellulosic fibres and glass fibres.
22. A process according to claim 21, wherein the fibre material consists of dyed or printed cellulose fibres or cellulosic fibres as well as polyester fibres.
23. A process according to claim 21, wherein the fibre material is selected from the group consisting of a cellulose fibres, woven and knitted polyester/cellulose blends as well as intimate polyester/cellulose blends.
24. A process according to any one of claims 1 to 23, wherein the dyed or printed fibre material is irradiated in the wet state.
25. A process according to any one of claims 1 to 23, wherein the dyed or printed fibre material is irradiated in the dry state.
26. A process according to any one of claims 1 to 25, wherein irradiation is carried out on one or both sides of the material.
27. A process according to claim 1, which comprises applying dyes together with a colourless cationic compound containing at least two polymerisable double bonds, as well as additional optional auxiliaries, to the organic material and subsequently fixing the dyes thereon with ionising radiation, or applying said dyes together with a colourless cationic compound containing at least two polymerisable double bonds, and at least one photoinitiator, as well as additional optional auxiliaries, to said organic material and subsequently fixing the dyes thereon with UV light.
28. A process according to claim 1, which comprises first dyeing the fibre material with dyes and then applying a colourless cationic compound containing at least two
polymerisable double bonds, as well as additional optional auxiliaries, to said fibre material and fixing the dyes thereon.
29. The dyed or printed, irradiated fibre material obtained by a process as claimed in any one of claims 1 to 28.
30. A colourless cationic compound containing at least two polymerisable bonds of formula
(R2R3R3'R3"N)m +(A)m- , (40), wherein R2 is a radical of formula
CH2= CX7 - Y1 - Q4 (40a), wherein
X7 is hydrogen, halogen or C1- C2alkyl,
Y1 is - CO - O - oder - CO - NH - ,
Q4 is - CH2- CHOH - CH2- or - (CH2)z- ,
A is an anion selected from the group consisting of the halides, sulfates and C1- C2alkylsulfates,
R3 is allyl or R2 ,
R3' and R3" are each independently of the other hydrogen, C1-C24alkyl, allyl or R2, or the quaternary nitrogen atom in formula (40) may also be a member of a N-heterocyclic rings which may be unsubstituted or substituted and may contain further hetero atoms, m is 1, 2 or 3, and
z is an integer from 1 to 3, with the exception of the compound of formula .
wherein
R41 and R42 are each independentiy of the other hydrogen or methyl and
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU66473/94A AU6647394A (en) | 1993-05-04 | 1994-04-22 | Radiation-induced fixation of dyes |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH135393 | 1993-05-04 | ||
CH1353/93-0 | 1993-05-04 |
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WO1994025665A1 true WO1994025665A1 (en) | 1994-11-10 |
Family
ID=4208493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1994/001260 WO1994025665A1 (en) | 1993-05-04 | 1994-04-22 | Radiation-induced fixation of dyes |
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AU (1) | AU6647394A (en) |
WO (1) | WO1994025665A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001009053A1 (en) * | 1999-07-30 | 2001-02-08 | Dsm N.V. | Radiation-curable composition with simultaneous color formation during cure |
US8209785B2 (en) | 2010-02-09 | 2012-07-03 | International Textile Group, Inc. | Flame resistant fabric made from a fiber blend |
US8793814B1 (en) | 2010-02-09 | 2014-08-05 | International Textile Group, Inc. | Flame resistant fabric made from a fiber blend |
US8932965B1 (en) | 2008-07-30 | 2015-01-13 | International Textile Group, Inc. | Camouflage pattern with extended infrared reflectance separation |
WO2017158351A1 (en) * | 2016-03-17 | 2017-09-21 | Sublino Limited | Method of coating |
US10433593B1 (en) | 2009-08-21 | 2019-10-08 | Elevate Textiles, Inc. | Flame resistant fabric and garment |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0532467A1 (en) * | 1991-09-13 | 1993-03-17 | Ciba-Geigy Ag | Process for the fixation of dyes with UV-light |
WO1993024701A1 (en) * | 1992-06-04 | 1993-12-09 | Ciba-Geigy Ag | Process for fixation of dyes containing at least one polymerisable double bond by means of uv light |
-
1994
- 1994-04-22 WO PCT/EP1994/001260 patent/WO1994025665A1/en active Application Filing
- 1994-04-22 AU AU66473/94A patent/AU6647394A/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0532467A1 (en) * | 1991-09-13 | 1993-03-17 | Ciba-Geigy Ag | Process for the fixation of dyes with UV-light |
WO1993024701A1 (en) * | 1992-06-04 | 1993-12-09 | Ciba-Geigy Ag | Process for fixation of dyes containing at least one polymerisable double bond by means of uv light |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6630242B1 (en) | 1999-07-30 | 2003-10-07 | Dsm N.V. | Radiation-curable composition with simultaneous color formation during cure |
US7122247B2 (en) | 1999-07-30 | 2006-10-17 | Dsm Ip Assets B.V. | Radiation-curable composition with simultaneous color formation during cure |
WO2001009053A1 (en) * | 1999-07-30 | 2001-02-08 | Dsm N.V. | Radiation-curable composition with simultaneous color formation during cure |
US8932965B1 (en) | 2008-07-30 | 2015-01-13 | International Textile Group, Inc. | Camouflage pattern with extended infrared reflectance separation |
US10288385B2 (en) | 2008-07-30 | 2019-05-14 | International Textile Group, Inc. | Camouflage pattern with extended infrared reflectance separation |
US10433593B1 (en) | 2009-08-21 | 2019-10-08 | Elevate Textiles, Inc. | Flame resistant fabric and garment |
US8528120B2 (en) | 2010-02-09 | 2013-09-10 | International Textile Group, Inc. | Flame resistant fabric made from a fiber blend |
US8793814B1 (en) | 2010-02-09 | 2014-08-05 | International Textile Group, Inc. | Flame resistant fabric made from a fiber blend |
US8209785B2 (en) | 2010-02-09 | 2012-07-03 | International Textile Group, Inc. | Flame resistant fabric made from a fiber blend |
WO2017158351A1 (en) * | 2016-03-17 | 2017-09-21 | Sublino Limited | Method of coating |
GB2554032A (en) * | 2016-03-17 | 2018-03-21 | Sublino Ltd | Method of Coating |
GB2554032B (en) * | 2016-03-17 | 2018-09-12 | Sublino Ltd | Method of Coating |
KR20180121517A (en) * | 2016-03-17 | 2018-11-07 | 서브리노 리미티드 | Coating method |
CN109072548A (en) * | 2016-03-17 | 2018-12-21 | 沙布利诺有限公司 | coating method |
KR102386612B1 (en) | 2016-03-17 | 2022-04-13 | 서브리노 리미티드 | coating method |
US11453974B2 (en) | 2016-03-17 | 2022-09-27 | Sublino Limited | Method of coating |
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