CN114381048A - Cutting-resistant polyurethane dipped latex protective glove and preparation process thereof - Google Patents
Cutting-resistant polyurethane dipped latex protective glove and preparation process thereof Download PDFInfo
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- CN114381048A CN114381048A CN202111489711.6A CN202111489711A CN114381048A CN 114381048 A CN114381048 A CN 114381048A CN 202111489711 A CN202111489711 A CN 202111489711A CN 114381048 A CN114381048 A CN 114381048A
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- 239000004816 latex Substances 0.000 title claims abstract description 88
- 229920000126 latex Polymers 0.000 title claims abstract description 88
- 230000001681 protective effect Effects 0.000 title claims abstract description 53
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 38
- 239000004814 polyurethane Substances 0.000 title claims abstract description 38
- 238000005520 cutting process Methods 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 238000007598 dipping method Methods 0.000 claims abstract description 40
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 39
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 13
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims abstract description 13
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims abstract description 13
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 13
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 239000011593 sulfur Substances 0.000 claims abstract description 13
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 13
- RKQOSDAEEGPRER-UHFFFAOYSA-L zinc diethyldithiocarbamate Chemical compound [Zn+2].CCN(CC)C([S-])=S.CCN(CC)C([S-])=S RKQOSDAEEGPRER-UHFFFAOYSA-L 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims description 37
- 238000001035 drying Methods 0.000 claims description 32
- 238000002156 mixing Methods 0.000 claims description 31
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 16
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 16
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 16
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 16
- -1 phthalate diester Chemical class 0.000 claims description 16
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 16
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 16
- HGTUJZTUQFXBIH-UHFFFAOYSA-N (2,3-dimethyl-3-phenylbutan-2-yl)benzene Chemical group C=1C=CC=CC=1C(C)(C)C(C)(C)C1=CC=CC=C1 HGTUJZTUQFXBIH-UHFFFAOYSA-N 0.000 claims description 11
- 239000011259 mixed solution Substances 0.000 claims description 10
- 238000006477 desulfuration reaction Methods 0.000 claims description 8
- 230000023556 desulfurization Effects 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 6
- KGSZJJXPYRHHSY-UHFFFAOYSA-N 1,6-di(propan-2-yl)-7-oxabicyclo[4.1.0]hepta-2,4-diene Chemical compound C1=CC=CC2(C(C)C)C1(C(C)C)O2 KGSZJJXPYRHHSY-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000004073 vulcanization Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 238000005470 impregnation Methods 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 20
- 230000001954 sterilising effect Effects 0.000 abstract description 7
- 241000894006 Bacteria Species 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 description 2
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
- C08L7/02—Latex
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D19/00—Gloves
- A41D19/0055—Plastic or rubber gloves
- A41D19/0058—Three-dimensional gloves
- A41D19/0062—Three-dimensional gloves made of one layer of material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/02—Direct processing of dispersions, e.g. latex, to articles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08L23/22—Copolymers of isobutene; Butyl rubber; Homopolymers or copolymers of other iso-olefins
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2500/00—Materials for garments
- A41D2500/50—Synthetic resins or rubbers
- A41D2500/52—Synthetic resins or rubbers in sheet form
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2307/00—Characterised by the use of natural rubber
- C08J2307/02—Latex
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08J2323/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08J2323/22—Copolymers of isobutene; butyl rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2407/00—Characterised by the use of natural rubber
- C08J2407/02—Latex
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08J2423/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08J2423/22—Copolymers of isobutene; butyl rubber
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Textile Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Gloves (AREA)
Abstract
The invention discloses a cutting-resistant polyurethane dipping latex protective glove and a preparation process thereof, wherein the cutting-resistant polyurethane dipping latex protective glove comprises the following raw materials in parts by weight: the natural latex accounts for 13 to 25 mass percent; 13-25% by mass of acrylonitrile; 13-25% by mass of butyl latex; 13-25% of butyronitrile latex by mass; 3-5% of sulfur by mass; 4-8% by mass of zinc diethyldithiocarbamate; 2-3% of potassium hydroxide by mass; the nano silver ion antibacterial agent accounts for 2-6% of the mass portion; 3-5% by mass of 6-di-tert-butyl-4-methylphenol. The latex protective gloves prepared by the invention have good wear resistance, oxidation resistance, toughness and elasticity in the use process, the phenomenon that the latex protective gloves are cut and damaged in the use process is avoided, the service life of the latex protective gloves in the use process is prolonged, the latex protective gloves also have good sterilization effect, and the phenomenon that bacteria are bred when a user wears the latex protective gloves for a long time is prevented.
Description
Technical Field
The invention relates to the technical field of latex protective gloves, in particular to a cutting-resistant polyurethane dipping latex protective glove and a preparation process thereof.
Background
According to patent 201610639999.3, a method for preparing polyurethane modified nitrile latex gloves and gloves prepared by the method are known. The method adopts a method of blending polyether polyurethane emulsion and butyronitrile latex to increase the chemical resistance of the carboxylated butyronitrile latex. The butyronitrile gloves prepared by the blended latex through a dipping and forming process have the dual characteristics of butyronitrile rubber and polyurethane, have better chemical protection property, and can be used for producing glove products on the existing butyronitrile latex glove production line.
Currently, existing cut-resistant polyurethane dipped latex protective gloves suffer from certain deficiencies, such as; the existing cutting-resistant polyurethane dipping latex protective gloves have the advantages that the abrasion resistance, the oxidation resistance, the toughness and the elasticity are relatively common in the use process, the latex protective gloves are easily cut and damaged in the use process, the service life of the latex protective gloves in the use process is shortened, the latex protective gloves do not have a sterilization effect, the phenomenon of bacteria breeding is easily caused when a user wears the latex protective gloves for a long time, and the sanitation of the latex protective gloves in the use process is reduced.
Disclosure of Invention
The invention aims to provide a cutting-resistant polyurethane dipping latex protective glove and a preparation process thereof, and solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a cutting-resistant polyurethane dipping latex protective glove and a preparation process thereof comprise the following raw materials in parts by weight: the natural latex accounts for 13 to 25 mass percent; 13-25% by mass of acrylonitrile; 13-25% by mass of butyl latex; 13-25% of butyronitrile latex by mass; 3-5% of sulfur by mass; 4-8% by mass of zinc diethyldithiocarbamate; 2-3% of potassium hydroxide by mass; the nano silver ion antibacterial agent accounts for 2-6% of the mass portion; 3-5% by mass of 6-di-tert-butyl-4-methylphenol; 2-4% of sodium polyacrylate by mass; 2-7% of diisopropylbenzene oxide by mass; 2-5% of carboxymethyl cellulose; the weight ratio of the phthalate diester is 2-7%; the polyurethane accounts for 2-6% of the mass portion.
As a preferred embodiment of the invention, the cutting-resistant polyurethane dipping latex protective glove comprises the following raw materials in parts by weight: 19% of natural latex in parts by mass; 19% by mass of acrylonitrile; the mass part of butyl latex is 19 percent; the mass portion of the butyronitrile latex is 19 percent; 3 percent of sulfur by mass; 4% by mass of zinc diethyldithiocarbamate; 2% by mass of potassium hydroxide; the nano silver ion antibacterial agent accounts for 2 mass percent; 3 mass percent of 6-di-tert-butyl-4-methylphenol; 2% of sodium polyacrylate by mass; 2 mass percent of dicumyl oxide; 2% by mass of carboxymethyl cellulose; the phthalate diester accounts for 2 mass percent; the polyurethane was 2% by mass.
As a preferred embodiment of the invention, the cutting-resistant polyurethane dipping latex protective glove comprises the following raw materials in parts by weight: 15% of natural latex in parts by mass; acrylonitrile accounts for 14 mass percent; the butyl latex accounts for 14 mass percent; 14 mass percent of butyronitrile latex; 4% of sulfur by mass; 6 mass percent of zinc diethyldithiocarbamate; 3% by mass of potassium hydroxide; 5 percent of nano silver ion antibacterial agent; 4 mass percent of 6-di-tert-butyl-4-methylphenol; 3% of sodium polyacrylate in parts by mass; 5 mass percent of diisopropylbenzene oxide; 4% by mass of carboxymethyl cellulose; the phthalate diester accounts for 5 mass percent; the polyurethane content was 4% by mass.
As a preferred embodiment of the invention, the preparation process of the cutting-resistant polyurethane dipping latex protective glove comprises the following steps:
a. weighing the raw materials in parts by weight;
b. b, after the step a is finished, putting the natural latex, the acrylonitrile, the butyl latex and the butyronitrile latex into a mixer for heating and mixing to prepare a mixed solution A;
c. after the step b is finished, adding sulfur, zinc diethyldithiocarbamate, potassium hydroxide, 6-di-tert-butyl-4-methylphenol, sodium polyacrylate, dicumyl oxide, carboxymethyl cellulose and diester phthalate into the mixed solution A for mixing to prepare a glove making solution;
d. after the step c is finished, adding polyurethane, a nano silver ion antibacterial agent, sodium polyacrylate, dicumyl oxide, carboxymethyl cellulose and diester phthalate into a mixer for mixing to prepare impregnation liquid;
e. after the step d is finished, dipping the production model into glove manufacturing liquid, dipping the production model into hot water at 65 ℃ for 25min after latex dipping, dipping the dipped production model into the glove manufacturing liquid, putting the production model into a drying box for drying, and then taking off the dried glove blank from the production model;
f. and e, after the step e is finished, sleeving the glove blank body on a desulfurization model, putting the desulfurization model into a condition of 120 ℃ for vulcanization for 40min, sleeving the vulcanized glove blank body on a dipping model, putting the dipped glove blank body into dipping liquid for dipping for 60s, and conveying the dipped glove blank body into a drying box for drying to obtain the latex protective glove.
In a preferred embodiment of the present invention, the temperature of the mixed solution a during the preparation in the step b is 80 ℃, the mixing time is 25min, and the mixer rotation speed during the mixing is 850 r/min.
In a preferred embodiment of the present invention, the temperature of the glove-making liquid prepared in step c is 100 ℃, the mixing time is 45min, and the mixer rotation speed during mixing is 1100 r/min.
In a preferred embodiment of the present invention, the temperature for preparing the impregnation solution in step d is 60 ℃, the mixing time is 30min, and the mixer rotation speed during mixing is 550 r/min.
In a preferred embodiment of the present invention, in the step e, the production model is placed in a drying oven for drying, wherein the temperature during drying is 70 ℃, and the time for drying is 5 min.
In a preferred embodiment of the present invention, in the step f, the glove blanks after being dipped are conveyed to a drying oven for drying, wherein the drying temperature is 80 ℃, and the drying time is 10 min.
Compared with the prior art, the invention has the following beneficial effects:
the latex protective gloves prepared by the invention have good wear resistance, oxidation resistance, toughness and elasticity in the using process, the phenomenon that the latex protective gloves are cut and damaged in the using process is avoided, the service life of the latex protective gloves in the using process is prolonged, the latex protective gloves also have good sterilization effect, the phenomenon that bacteria are bred when a user wears the latex protective gloves for a long time is prevented, and the sanitation of the latex protective gloves in the using process is improved.
Detailed Description
Technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example one
The cutting-resistant polyurethane dipping latex protective glove comprises the following raw materials in parts by weight: 19% of natural latex in parts by mass; 19% by mass of acrylonitrile; the mass part of butyl latex is 19 percent; the mass portion of the butyronitrile latex is 19 percent; 3 percent of sulfur by mass; 4% by mass of zinc diethyldithiocarbamate; 2% by mass of potassium hydroxide; the nano silver ion antibacterial agent accounts for 2 mass percent; 3 mass percent of 6-di-tert-butyl-4-methylphenol; 2% of sodium polyacrylate by mass; 2 mass percent of dicumyl oxide; 2% by mass of carboxymethyl cellulose; the phthalate ester was 2% by mass and the polyurethane ester was 2% by mass.
The preparation steps are as follows:
a. weighing the raw materials in parts by weight;
b. b, after the step a is finished, putting the natural latex, the acrylonitrile, the butyl latex and the butyronitrile latex into a mixer, heating and mixing at the temperature of 80 ℃ for 25min, wherein the rotating speed of the mixer during mixing is 850r/min, so as to prepare a mixed solution A;
c. after the step b is finished, adding the sulfur, the zinc diethyldithiocarbamate, the potassium hydroxide, the 6-di-tert-butyl-4-methylphenol, the sodium polyacrylate, the dicumyl oxide, the carboxymethyl cellulose and the diester phthalate into the mixed solution A for mixing at the temperature of 100 ℃ for 45min, and obtaining the glove making solution, wherein the rotating speed of a mixer during mixing is 1100 r/min;
d. after the step c is finished, adding polyurethane, a nano silver ion antibacterial agent, sodium polyacrylate, dicumyl oxide, carboxymethyl cellulose and diester phthalate into a mixer for mixing at the temperature of 60 ℃ for 30min, wherein the rotating speed of the mixer during mixing is 550r/min, so as to prepare a steeping liquor;
e. after the step d is finished, dipping the production model into glove manufacturing liquid, dipping the production model in hot water at 65 ℃ for 25min after latex dipping, dipping the dipped production model into the glove manufacturing liquid, putting the production model into a drying box for drying at 70 ℃ for 5min, and then removing the dried glove blank from the production model;
f. and e, after the step e is finished, sleeving the glove blank body on a desulfurization model, putting the desulfurization model into a condition of 120 ℃ for vulcanization for 40min, sleeving the vulcanized glove blank body on a dipping model, putting the dipped glove blank body into dipping liquid for dipping for 60s, conveying the dipped glove blank body into a drying box for drying at the temperature of 80 ℃ for 10min, and thus obtaining the latex protective glove.
Example two
The cutting-resistant polyurethane dipping latex protective glove comprises the following raw materials in parts by weight: 15% of natural latex in parts by mass; acrylonitrile accounts for 14 mass percent; the butyl latex accounts for 14 mass percent; 14 mass percent of butyronitrile latex; 4% of sulfur by mass; 6 mass percent of zinc diethyldithiocarbamate; 3% by mass of potassium hydroxide; 5 percent of nano silver ion antibacterial agent; 4 mass percent of 6-di-tert-butyl-4-methylphenol; 3% of sodium polyacrylate in parts by mass; 5 mass percent of diisopropylbenzene oxide; 4% by mass of carboxymethyl cellulose; the phthalate ester was 5% by mass and the polyurethane was 4% by mass.
The preparation steps are as follows:
a. weighing the raw materials in parts by weight;
b. b, after the step a is finished, putting the natural latex, the acrylonitrile, the butyl latex and the butyronitrile latex into a mixer, heating and mixing at the temperature of 80 ℃ for 25min, wherein the rotating speed of the mixer during mixing is 850r/min, so as to prepare a mixed solution A;
c. after the step b is finished, adding the sulfur, the zinc diethyldithiocarbamate, the potassium hydroxide, the 6-di-tert-butyl-4-methylphenol, the sodium polyacrylate, the dicumyl oxide, the carboxymethyl cellulose and the diester phthalate into the mixed solution A for mixing at the temperature of 100 ℃ for 45min, and obtaining the glove making solution, wherein the rotating speed of a mixer during mixing is 1100 r/min;
d. after the step c is finished, adding polyurethane, a nano silver ion antibacterial agent, sodium polyacrylate, dicumyl oxide, carboxymethyl cellulose and diester phthalate into a mixer for mixing at the temperature of 60 ℃ for 30min, wherein the rotating speed of the mixer during mixing is 550r/min, so as to prepare a steeping liquor;
e. after the step d is finished, dipping the production model into glove manufacturing liquid, dipping the production model in hot water at 65 ℃ for 25min after latex dipping, dipping the dipped production model into the glove manufacturing liquid, putting the production model into a drying box for drying at 70 ℃ for 5min, and then removing the dried glove blank from the production model;
f. and e, after the step e is finished, sleeving the glove blank body on a desulfurization model, putting the desulfurization model into a condition of 120 ℃ for vulcanization for 40min, sleeving the vulcanized glove blank body on a dipping model, putting the dipped glove blank body into dipping liquid for dipping for 60s, conveying the dipped glove blank body into a drying box for drying at the temperature of 80 ℃ for 10min, and thus obtaining the latex protective glove.
Data parameters for conventional latex protective gloves table 1 are as follows:
| test items | Toughness of | Elasticity | Sterilizing effect | Service life |
| Parameter index | In general | In general | Is free of | Is shorter |
Examples a latex protective glove data parameters table 2 follows:
| test items | Toughness of | Elasticity | Sterilizing effect | Service life |
| Parameter index | Is stronger | Is stronger | In general | Is longer |
Example two latex protective glove data parameters table 3 is as follows:
| test items | Toughness of | Elasticity | Sterilizing effect | Service life |
| Parameter index | High strength | High strength | Superior food | Long and long |
In conclusion, the latex protective gloves prepared by the invention have good wear resistance, oxidation resistance, toughness and elasticity in the use process, the phenomenon that the latex protective gloves are cut and damaged in the use process is avoided, the service life of the latex protective gloves in the use process is prolonged, the latex protective gloves also have good sterilization effect, the phenomenon that bacteria are bred when users wear the latex protective gloves for a long time is prevented, and the sanitation of the latex protective gloves in the use process is improved.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a prevent cutting polyurethane flooding latex protective gloves which characterized in that: comprises the following raw materials in parts by weight: the natural latex accounts for 13 to 25 mass percent; 13-25% by mass of acrylonitrile; 13-25% by mass of butyl latex; 13-25% of butyronitrile latex by mass; 3-5% of sulfur by mass; 4-8% by mass of zinc diethyldithiocarbamate; 2-3% of potassium hydroxide by mass; the nano silver ion antibacterial agent accounts for 2-6% of the mass portion; 3-5% by mass of 6-di-tert-butyl-4-methylphenol; 2-4% of sodium polyacrylate by mass; 2-7% of diisopropylbenzene oxide by mass; 2-5% of carboxymethyl cellulose; the phthalate diester is 2 to 7% by mass and the polyurethane is 2 to 6% by mass.
2. The cut-resistant polyurethane dipped latex protective glove as claimed in claim 1, wherein: comprises the following raw materials in parts by weight: 19% of natural latex in parts by mass; 19% by mass of acrylonitrile; the mass part of butyl latex is 19 percent; the mass portion of the butyronitrile latex is 19 percent; 3 percent of sulfur by mass; 4% by mass of zinc diethyldithiocarbamate; 2% by mass of potassium hydroxide; the nano silver ion antibacterial agent accounts for 2 mass percent; 3 mass percent of 6-di-tert-butyl-4-methylphenol; 2% of sodium polyacrylate by mass; 2 mass percent of dicumyl oxide; 2% by mass of carboxymethyl cellulose; the phthalate ester was 2% by mass and the polyurethane ester was 2% by mass.
3. The cut-resistant polyurethane dipped latex protective glove as claimed in claim 1, wherein: comprises the following raw materials in parts by weight: 15% of natural latex in parts by mass; acrylonitrile accounts for 14 mass percent; the butyl latex accounts for 14 mass percent; 14 mass percent of butyronitrile latex; 4% of sulfur by mass; 6 mass percent of zinc diethyldithiocarbamate; 3% by mass of potassium hydroxide; 5 percent of nano silver ion antibacterial agent; 4 mass percent of 6-di-tert-butyl-4-methylphenol; 3% of sodium polyacrylate in parts by mass; 5 mass percent of diisopropylbenzene oxide; 4% by mass of carboxymethyl cellulose; the phthalate ester was 5% by mass and the polyurethane was 4% by mass.
4. The process for preparing cut-resistant polyurethane dipped latex protective gloves according to claim 1, wherein: the preparation steps are as follows:
a. weighing the raw materials in parts by weight;
b. b, after the step a is finished, putting the natural latex, the acrylonitrile, the butyl latex and the butyronitrile latex into a mixer for heating and mixing to prepare a mixed solution A;
c. after the step b is finished, adding sulfur, zinc diethyldithiocarbamate, potassium hydroxide, 6-di-tert-butyl-4-methylphenol, sodium polyacrylate, dicumyl oxide, carboxymethyl cellulose and diester phthalate into the mixed solution A for mixing to prepare a glove making solution;
d. after the step c is finished, adding polyurethane, a nano silver ion antibacterial agent, sodium polyacrylate, dicumyl oxide, carboxymethyl cellulose and diester phthalate into a mixer for mixing to prepare impregnation liquid;
e. after the step d is finished, dipping the production model into glove manufacturing liquid, dipping the production model into hot water at 65 ℃ for 25min after latex dipping, dipping the dipped production model into the glove manufacturing liquid, putting the production model into a drying box for drying, and then taking off the dried glove blank from the production model;
f. and e, after the step e is finished, sleeving the glove blank body on a desulfurization model, putting the desulfurization model into a condition of 120 ℃ for vulcanization for 40min, sleeving the vulcanized glove blank body on a dipping model, putting the dipped glove blank body into dipping liquid for dipping for 60s, and conveying the dipped glove blank body into a drying box for drying to obtain the latex protective glove.
5. The process for preparing cut-resistant polyurethane dipped latex protective gloves according to claim 4, wherein: and c, preparing the mixed solution A in the step b at the temperature of 80 ℃, mixing for 25min, and mixing at the rotating speed of 850 r/min.
6. The process for preparing cut-resistant polyurethane dipped latex protective gloves according to claim 4, wherein: and c, preparing the glove making liquid in the step c at the temperature of 100 ℃, mixing for 45min, and mixing at the rotating speed of 1100 r/min.
7. The process for preparing cut-resistant polyurethane dipped latex protective gloves according to claim 4, wherein: and d, preparing the steeping liquor in the step d, wherein the temperature is 60 ℃, the mixing time is 30min, and the rotating speed of a mixer during mixing is 550 r/min.
8. The process for preparing cut-resistant polyurethane dipped latex protective gloves according to claim 4, wherein: and e, putting the production model into a drying box for drying, wherein the drying temperature is 70 ℃, and the drying time is 5 min.
9. The process for preparing cut-resistant polyurethane dipped latex protective gloves according to claim 4, wherein: and f, conveying the dipped glove blanks into a drying box for drying, wherein the drying temperature is 80 ℃, and the drying time is 10 min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119453602A (en) * | 2024-11-08 | 2025-02-18 | 江苏意进隆科技有限公司 | Cut-resistant gloves and preparation method thereof |
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