CN110669425A - EB (Epstein-Barr) curing coating and preparation method thereof - Google Patents
EB (Epstein-Barr) curing coating and preparation method thereof Download PDFInfo
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- CN110669425A CN110669425A CN201910980520.6A CN201910980520A CN110669425A CN 110669425 A CN110669425 A CN 110669425A CN 201910980520 A CN201910980520 A CN 201910980520A CN 110669425 A CN110669425 A CN 110669425A
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- 238000000576 coating method Methods 0.000 title claims abstract description 75
- 239000011248 coating agent Substances 0.000 title claims abstract description 70
- 238000002360 preparation method Methods 0.000 title claims description 8
- 238000001227 electron beam curing Methods 0.000 claims abstract description 68
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229920002635 polyurethane Polymers 0.000 claims abstract description 27
- 239000004814 polyurethane Substances 0.000 claims abstract description 27
- 238000000227 grinding Methods 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 239000000178 monomer Substances 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 17
- 239000003973 paint Substances 0.000 claims abstract description 16
- 238000001723 curing Methods 0.000 claims abstract description 15
- 239000000049 pigment Substances 0.000 claims abstract description 12
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 7
- 239000003054 catalyst Substances 0.000 claims description 20
- 239000003085 diluting agent Substances 0.000 claims description 20
- 230000000694 effects Effects 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 6
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical group CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 claims description 5
- 150000001412 amines Chemical class 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- MYWOJODOMFBVCB-UHFFFAOYSA-N 1,2,6-trimethylphenanthrene Chemical compound CC1=CC=C2C3=CC(C)=CC=C3C=CC2=C1C MYWOJODOMFBVCB-UHFFFAOYSA-N 0.000 claims description 3
- OVGSOJKMUVDXBI-UHFFFAOYSA-N [1,3-diethoxy-2,2-bis[ethoxy(prop-2-enoyloxy)methyl]-3-prop-2-enoyloxypropyl] prop-2-enoate Chemical compound C(C=C)(=O)OC(C(C(OC(C=C)=O)OCC)(C(OC(C=C)=O)OCC)C(OC(C=C)=O)OCC)OCC OVGSOJKMUVDXBI-UHFFFAOYSA-N 0.000 claims description 3
- MPIAGWXWVAHQBB-UHFFFAOYSA-N [3-prop-2-enoyloxy-2-[[3-prop-2-enoyloxy-2,2-bis(prop-2-enoyloxymethyl)propoxy]methyl]-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(COC(=O)C=C)(COC(=O)C=C)COCC(COC(=O)C=C)(COC(=O)C=C)COC(=O)C=C MPIAGWXWVAHQBB-UHFFFAOYSA-N 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 abstract description 2
- 239000012855 volatile organic compound Substances 0.000 description 15
- 238000007639 printing Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000976 ink Substances 0.000 description 2
- 238000003847 radiation curing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The EB curing coating provided by the invention is prepared by mixing, grinding and curing acrylic polyurethane, an active monomer, a pigment and a high active auxiliary agent, wherein the solid content of the EB curing coating is 95-100 wt%, and the VOC content of the EB curing coating is 0-0.1 g/m2The viscosity of the EB curing coating at the temperature of 25 ℃ is 1000-20000 mPa.s, the energy consumption of the prepared EB curing coating is 1/100 of common baking paint and 1/20 of a UV system, the EB curing coating disclosed by the invention is 100% in film forming, the VOC is zero, and the EB curing coating disclosed by the invention can be used for thermosensitive and photosensitive substrates.
Description
Technical Field
The invention belongs to the technical field of paint preparation, and particularly relates to an EB (Epstein-Barr) curing paint and a preparation method thereof.
Background
The industrial background of the polymer material important development field and the national policy industry are the key fields of VOCs emission, and the emission accounts for more than 50% of the total emission. The industrial emission source is complex, and mainly relates to many links such as production, use, storage and transportation, wherein: the VOCs emission amount of industries such as petroleum refining, petrochemical industry, coating, printing ink, adhesive, pesticide, automobile, packaging and printing, rubber products, leather, furniture, shoe making and the like accounts for more than 80 percent of the total industrial emission amount.
In the aspect of environmental protection, VOCs are newly brought into the total amount control index; the total amount control indexes of VOCs are brought into, and a planning outline is proposed, the VOCs promote the total amount control of volatile organic compounds emission in key areas and key industries, and the total amount of national emission is reduced by more than 10%. In 8 days at 7 months of the Ministry of industry and communications and the Ministry of finance, volatile organic matter reduction action plans (2016-2018) in key industries are issued, the aim is to reduce the VOCs emission in the industrial industries by over 330 ten thousand tons in 2018 compared with 2015, the proportion of low VOC coatings is required to be 60%, and green coating products such as solvent-free coatings, radiation curing coatings, water-based coatings and the like are mainly popularized.
In the early 70 s of the 20 th century, the American Ford company first applied the EB curing technology to the coating of automobile parts and instruments, which opened the way for the EB curing technology to be applied to industrial production. At the same time, Album printing company used EB curing inks and coatings on packaging materials. Subsequently, the development of the method is rapidly progressing in areas and countries where industry is developed and environmental awareness is strong, such as europe, north america, and japan. According to statistics, in 2005, there were 800 EB curing lines owned by various countries in the world, 400 in the united states (55%), 300 in japan (including research and development) (38%), and 50-60 in europe (7%).
Disclosure of Invention
In order to realize the aim of green paint products such as solvent-free paint, radiation curing paint, water-based paint and the like, the invention provides an EB curing paint which has 1/100 energy consumption of common baking paint and 1/20 energy consumption of a UV system, the EB system paint of the invention is almost 100 percent film-forming, the VOC emission is very small, and the concrete invention content of the invention is as follows:
the invention aims to provide an EB (Epstein-Barr) curing coating, which has the technical points that: the EB curing coating is formed by mixing, grinding and curing acrylic polyurethane, an active monomer, a pigment and a high-activity auxiliary agent, wherein the solid content of the EB curing coating is 95-100 wt%, and the VOC content of the EB curing coating is 0-0.1 g/m2The viscosity of the EB curing coating at the temperature of 25 ℃ is 1000-20000 mPas.
In some embodiments of the present invention, the EB cured coating comprises the following components in parts by weight:
in some embodiments of the invention, the fineness of the acrylic polyurethane is 10-15 μm, the solid content of the acrylic polyurethane is 95-100 wt%, and the molecular weight of the acrylic polyurethane is 2000-20000.
In some embodiments of the present invention, the reactive monomer is one or more of pentaerythritol tetraacrylate, tetra (ethoxy) pentaerythritol tetraacrylate, and dipentaerythritol hexaacrylate.
In some embodiments of the invention, the catalyst comprises the following main components: dodecyl benzene sulfonic acid, wherein the solid content of the catalyst is 100 wt%, and the viscosity of the catalyst at the temperature of 25 ℃ is 1000-1500 mPa & s.
In some embodiments of the invention, the amine value of the highly reactive diluent is 580 to 620mgKOH/g, the viscosity of the highly reactive diluent at 25 ℃ is 200 to 1000 mPa.s, and the specific gravity of the highly reactive diluent is 0.97 to 0.99g/cm3。
Another object of the present invention is to provide a method for preparing EB cured paint, which comprises the following steps: the EB curing coating is prepared by the following specific steps:
s1, putting 30-80 parts by weight of acrylic polyurethane, 5-30 parts by weight of active monomer, 1-20 parts by weight of dispersant, 1-20 parts by weight of catalyst, 5-60 parts by weight of pigment and 0.1-2 parts by weight of high-activity diluent into a reaction kettle, and uniformly stirring to obtain a mixed coating;
s2 grinding the mixed paint prepared in the S1 to the fineness of 5-10 mu m;
and S3, curing the mixed coating obtained by grinding in the S2 into a dry film by using EB curing equipment to obtain the EB curing coating.
In some embodiments of the invention, the temperature of the mixing and stirring in S1 is 5 to 40 ℃, and the humidity of the mixing and stirring is 75 to 95 ℃.
In some embodiments of the present invention, the EB energy in the EB curing apparatus in S3 is 100 to 200keV, and the EB curing dose is 10 to 50 kGy.
Compared with the prior art, the invention has the beneficial effects that:
the EB curing coating is prepared by mixing, grinding and curing acrylic polyurethane, an active monomer, a pigment and a high-activity auxiliary agent, wherein the solid content of the EB curing coating is 95-100 wt%, and the VOC content is 0-0.1 g/m2And a viscosity at a temperature of 25 ℃ of 1000 to 20000 mPas. The energy consumption of the prepared EB curing coating is common baking paint1/100, 1/20 of UV system, 100% of the EB curing coating of the invention forms a film, the VOC is zero, and the EB curing coating of the invention can be used for heat-sensitive and photosensitive substrates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below so that those skilled in the art can better understand the advantages and features of the present invention, and thus the scope of the present invention will be more clearly defined. The embodiments described herein are only a few embodiments of the present invention, rather than all embodiments, and all other embodiments that can be derived by one of ordinary skill in the art without inventive faculty based on the embodiments described herein are intended to fall within the scope of the present invention.
Example 1
The EB curing coating is prepared by mixing, grinding and curing acrylic polyurethane, an active monomer, a pigment and a high-activity auxiliary agent, wherein the solid content of the EB curing coating is 98 wt%, and the VOC content of the EB curing coating is 0.05g/m2The viscosity of the EB curing coating at the temperature of 25 ℃ is 10000mPa & s.
The EB curing coating comprises the following components in parts by weight:
wherein the fineness of the acrylic polyurethane is 10 mu m, the solid content of the acrylic polyurethane is 97.5 wt%, and the molecular weight of the acrylic polyurethane is 10000.
Wherein the active monomer is pentaerythritol tetraacrylate.
Wherein the main component of the catalyst is dodecyl benzene sulfonic acid, the solid content of the catalyst is 100 wt%, and the viscosity of the catalyst at the temperature of 25 ℃ is 1250mPa & s.
Wherein the amine value of the highly reactive diluent is 600mgKOH/g, and the viscosity of the highly reactive diluent is 600 mPa.s at a temperature of 25 ℃, therebyThe specific gravity of the high-activity diluent is 0.98g/cm3。
The preparation method of the EB curing coating comprises the following concrete steps:
s1, putting 65 parts by weight of acrylic polyurethane, 15 parts by weight of active monomer, 10 parts by weight of dispersant, 10 parts by weight of catalyst, 30 parts by weight of pigment and 1 part by weight of high-activity diluent into a reaction kettle, and uniformly stirring to obtain a mixed coating;
s2 grinding the mixed paint prepared in S1 to the fineness of 7 mu m;
and S3, curing the mixed coating obtained by grinding in the S2 into a dry film by using EB curing equipment to obtain the EB curing coating.
Wherein the mixing and stirring temperature in S1 is 22.5 ℃, and the mixing and stirring humidity is 80 ℃.
Wherein the EB energy in the EB curing equipment in S3 is 120keV, and the EB curing dose is 35 kGy.
Example 2
The EB curing coating is prepared by mixing, grinding and curing acrylic polyurethane, an active monomer, a pigment and a high-activity auxiliary agent, wherein the solid content of the EB curing coating is 99 wt%, and the VOC content of the EB curing coating is 0g/m2The viscosity of the EB curing coating at a temperature of 25 ℃ is 1000mPa & s.
The EB curing coating comprises the following components in parts by weight:
wherein the fineness of the acrylic polyurethane is 5 mu m, the solid content of the acrylic polyurethane is 95 wt%, and the molecular weight of the acrylic polyurethane is 2000.
Wherein the active monomer is tetra (ethoxy) pentaerythritol tetraacrylate.
Wherein, the main component of the catalyst is dodecyl benzene sulfonic acid, the solid content of the catalyst is 100 wt%, and the viscosity of the catalyst at the temperature of 25 ℃ is 1000 mPa.s.
Wherein the amine value of the highly reactive diluent is 580mgKOH/g, the viscosity of the highly reactive diluent is 200 mPa.s at the temperature of 25 ℃, and the specific gravity of the highly reactive diluent is 0.97g/cm3。
The preparation method of the EB curing coating comprises the following concrete steps:
s1, putting 30 parts by weight of acrylic polyurethane, 5 parts by weight of active monomer, 1 part by weight of dispersant, 1 part by weight of catalyst, 60 parts by weight of pigment and 0.1 part by weight of high-activity diluent into a reaction kettle, and uniformly stirring to obtain a mixed coating;
s2 grinding the mixed paint prepared in S1 to the fineness of 5 μm;
and S3, curing the mixed coating obtained by grinding in the S2 into a dry film by using EB curing equipment to obtain the EB curing coating.
Wherein the mixing and stirring temperature in S1 is 5 ℃, and the mixing and stirring humidity is 75 ℃.
Wherein the EB energy in the EB curing equipment in S3 is 150keV, and the EB curing dose is 20 kGy.
Example 3
The EB curing coating is prepared by mixing, grinding and curing acrylic polyurethane, an active monomer, a pigment and a high-activity auxiliary agent, wherein the solid content of the EB curing coating is 100 wt%, and the VOC content of the EB curing coating is 0.1g/m2The viscosity of the EB curing coating at the temperature of 25 ℃ is 20000 mPa.
The EB curing coating comprises the following components in parts by weight:
wherein the fineness of the acrylic polyurethane is 15 mu m, the solid content of the acrylic polyurethane is 100 wt%, and the molecular weight of the acrylic polyurethane is 20000.
Wherein the active monomer is dipentaerythritol hexaacrylate.
Wherein, the main component of the catalyst is dodecyl benzene sulfonic acid, the solid content of the catalyst is 100 wt%, and the viscosity of the catalyst at the temperature of 25 ℃ is 1500 mPa.s.
Wherein the amine value of the high-activity diluent is 620mgKOH/g, the viscosity of the high-activity diluent is 1000 mPa.s at the temperature of 25 ℃, and the specific gravity of the high-activity diluent is 0.99g/cm3。
The preparation method of the EB curing coating comprises the following concrete steps:
s1, putting 80 parts by weight of acrylic polyurethane, 30 parts by weight of active monomer, 20 parts by weight of dispersant, 20 parts by weight of catalyst, 5-parts by weight of pigment and 2 parts by weight of high-activity diluent into a reaction kettle, and uniformly stirring to obtain a mixed coating;
s2 grinding the mixed paint prepared in S1 to the fineness of 10 μm;
and S3, curing the mixed coating obtained by grinding in the S2 into a dry film by using EB curing equipment to obtain the EB curing coating.
Wherein the temperature of mixing and stirring in S1 is 40 ℃, and the humidity of mixing and stirring is 95 ℃.
In S3, EB energy in EB curing equipment is 200keV, and EB curing dosage is 50 kGy.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. An EB curing coating, characterized in that: the EB curing coating is prepared by mixing, grinding and curing acrylic polyurethane, an active monomer, a pigment and a high active auxiliary agent, wherein the solid content of the EB curing coating is 95-100 wt%, the VOC content of the EB curing coating is 0-0.1 g/m2, and the viscosity of the EB curing coating at the temperature of 25 ℃ is 1000-20000 mPa & s.
2. An EB cured coating according to claim 1, wherein: the EB curing coating comprises the following components in parts by weight:
3. an EB cured coating according to claim 1 wherein: the fineness of the acrylic polyurethane is 5-15 mu m, the solid content of the acrylic polyurethane is 95-100 wt%, and the molecular weight of the acrylic polyurethane is 2000-20000.
4. An EB cured coating according to claim 1 wherein: the active monomer is one or more of pentaerythritol tetraacrylate, tetra (ethoxy) pentaerythritol tetraacrylate and dipentaerythritol hexaacrylate.
5. An EB cured coating according to claim 1 wherein: the main component of the catalyst is dodecylbenzene sulfonic acid, the solid content of the catalyst is 100 wt%, and the viscosity of the catalyst at the temperature of 25 ℃ is 1000-1500 mPa.
6. An EB cured coating according to claim 1 wherein: the amine value of the high-activity diluent is 580-620 mgKOH/g, the viscosity of the high-activity diluent at the temperature of 25 ℃ is 200-1000 mPa.s, and the specific gravity of the high-activity diluent is 0.97-0.99 g/cm3。
7. A preparation method of EB curing coating is characterized in that: the EB curing coating is prepared by the following specific steps:
s1, putting 30-80 parts by weight of acrylic polyurethane, 5-30 parts by weight of active monomer, 1-20 parts by weight of dispersant, 1-20 parts by weight of catalyst, 5-60 parts by weight of pigment and 0.1-2 parts by weight of high-activity diluent into a reaction kettle, and uniformly stirring to obtain a mixed coating;
s2 grinding the mixed paint prepared in the S1 to the fineness of 5-10 mu m;
and S3, curing the mixed coating obtained by grinding in the S2 into a dry film by using EB curing equipment to obtain the EB curing coating.
8. The method of claim 7, wherein the method comprises: the temperature of mixing and stirring in the S1 is 5-40 ℃, and the humidity of mixing and stirring is 75-95 ℃.
9. The method of claim 7, wherein the method comprises: EB energy in EB curing equipment in the S3 is 150-200 keV, and EB curing dosage is 10-50 kGy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980520.6A CN110669425A (en) | 2019-10-16 | 2019-10-16 | EB (Epstein-Barr) curing coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980520.6A CN110669425A (en) | 2019-10-16 | 2019-10-16 | EB (Epstein-Barr) curing coating and preparation method thereof |
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| Publication Number | Publication Date |
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| CN110669425A true CN110669425A (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910980520.6A Pending CN110669425A (en) | 2019-10-16 | 2019-10-16 | EB (Epstein-Barr) curing coating and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030134931A1 (en) * | 2000-03-29 | 2003-07-17 | Subhankar Chatterjee | Radiation curable aqueous compositions |
| CN109897530A (en) * | 2019-03-25 | 2019-06-18 | 中山易必固新材料科技有限公司 | A kind of white coating of high abrasion scratch resistance of electronic beam curing and preparation method thereof and construction method |
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2019
- 2019-10-16 CN CN201910980520.6A patent/CN110669425A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030134931A1 (en) * | 2000-03-29 | 2003-07-17 | Subhankar Chatterjee | Radiation curable aqueous compositions |
| CN109897530A (en) * | 2019-03-25 | 2019-06-18 | 中山易必固新材料科技有限公司 | A kind of white coating of high abrasion scratch resistance of electronic beam curing and preparation method thereof and construction method |
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Application publication date: 20200110 |