CN111000309A - Cold-resistant protective gloves and preparation method thereof - Google Patents
Cold-resistant protective gloves and preparation method thereof Download PDFInfo
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- CN111000309A CN111000309A CN201911399718.1A CN201911399718A CN111000309A CN 111000309 A CN111000309 A CN 111000309A CN 201911399718 A CN201911399718 A CN 201911399718A CN 111000309 A CN111000309 A CN 111000309A
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D19/00—Gloves
- A41D19/001—Linings
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/14—Dipping a core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/46—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
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- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/06—Sulfur
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/39—Thiocarbamic acids; Derivatives thereof, e.g. dithiocarbamates
- C08K5/40—Thiurams, i.e. compounds containing groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/4842—Outerwear
- B29L2031/4864—Gloves
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
Abstract
The invention provides a cold-resistant protective glove and a preparation method thereof, and particularly relates to the technical field of gloves. The latex is foamed, and the foaming rubber is used as the lining of the cold-resistant glove, so that the cold-resistant glove is soft and comfortable, and has cold-proof and warm-keeping effects.
Description
Technical Field
The invention belongs to the technical field of gloves, and particularly relates to a cold-resistant protective glove and a preparation method thereof.
Technical Field
The existing household gloves are subjected to plain double-sided chlorine treatment, and also have woolen lining household gloves which are easy to wear and cannot play a role in cold prevention and warm keeping; household gloves with fluff inside have problems of sensitization and fluff shedding.
Therefore, a cold-resistant protective glove solving the existing problems is urgently needed.
Disclosure of Invention
The invention aims to provide cold-resistant protective gloves and a preparation method thereof.
The technical scheme is as follows:
a cold-resistant protective glove comprises an outer layer and a lining, wherein the lining is arranged on the inner surface of the outer layer and is made of foam rubber.
Preferably, the outer layer is made of a compound glue, and the compound glue comprises the following raw materials in parts by weight:
100 parts of natural latex;
0.5-1.5 parts of potassium hydroxide;
1.5-2.5 parts of sulfur;
1.5-2.5 parts of tetramethyl thiuram disulfide;
2.0-4.0 parts of ZnO;
0.5-2.5 parts of anti-aging agent WL;
0.5-3.0 parts of titanium dioxide;
0.1-0.5 parts of phthalocyanine blue;
0.1-0.5 part of defoaming agent.
Preferably, the foaming glue comprises the following raw materials in parts by weight:
100 parts of natural latex;
1.0-2.5 parts of potassium hydroxide
3.0-5.0 parts of foaming agent;
1.5-2.5 parts of sulfur;
1.0-2.0 parts of tetramethyl thiuram disulfide;
1.5-2.5 parts of ZnO;
1.0-3.0 parts of anti-aging agent WL;
0.5-3.0 parts of titanium dioxide;
0.1 to 0.5 portion of phthalocyanine green.
A preparation method of cold-resistant protective gloves comprises the following steps:
s1, preparing a sulfur dispersion, a tetramethylthiuram disulfide dispersion, a zinc oxide dispersion and an anti-aging agent dispersion;
s2, preparing the matching glue in the No. 1 glue groove: adding titanium white slurry, a stabilizer KOH, a colorant phthalocyanine blue, a defoaming agent and RO water into natural latex, mixing to obtain complex latex, filtering the sulfur dispersion, the tetramethylthiuram disulfide dispersion, the zinc oxide dispersion and the antioxidant dispersion obtained in S1 into the complex latex, mixing uniformly to obtain complex rubber, filtering the complex rubber into a No. 1 rubber tank for later use, and circularly stirring the complex rubber in the No. 1 rubber tank;
s3, preparing the foaming adhesive in the No. 2 adhesive groove: adding titanium white slurry, KOH, phthalocyanine green, a foaming agent and RO water into natural latex, mixing to obtain a complex latex, mixing the complex latex with the sulfur dispersion, the tetramethylthiuram disulfide dispersion, the zinc oxide dispersion and the anti-aging agent dispersion prepared in the step S1 to obtain a foamed rubber, foaming the foamed rubber by a foaming machine, stabilizing the foam by sodium polyacrylate, inputting the foamed rubber into a No. 2 rubber tank for later use after stabilizing the foam, and continuously stirring the foamed rubber after inputting the foamed rubber into the rubber tank;
s4, immersing the cleaned mould into a calcium chloride aqueous solution with 5-7% of calcium content for preheating, wherein the temperature of the calcium chloride aqueous solution with 5-7% is more than or equal to 55 ℃;
s5, immersing the preheated mould in the step S4 into a coagulant with calcium content of 15-17%, and then drying in a coagulant drying furnace, wherein the temperature of the coagulant is 65-67 ℃;
s6, immersing the mold passing through the coagulant drying furnace in the step S5 into a No. 1 glue groove, wherein the temperature of the matched glue in the glue groove is 28-33 ℃, then, the mold passes through a glue film shaping furnace to carry out glue film shaping, and the temperature in the glue film shaping furnace is 110-120 ℃;
s7, immersing the mold passing through the shaping furnace in the step S6 into the foaming adhesive in the No. 2 adhesive tank for secondary gum dipping, wherein the temperature of the foaming adhesive in the No. 2 adhesive tank is 28-33 ℃; then, drying the adhesive film of the mold in an adhesive film drying furnace at the temperature of 100-120 ℃;
s8, vulcanizing the dried adhesive film in the step S7 in a vulcanizing furnace, wherein the temperature in the vulcanizing furnace of the adhesive film is 110-130 ℃, cooling the adhesive film in a cooling water tank at the temperature of less than or equal to 50 ℃ after the adhesive film is completely vulcanized, soaking the cooled adhesive film in chlorine water for chlorine treatment, soaking the adhesive film in a sodium hydroxide water solution with the pH value of 11-13 for neutralization after the chlorine treatment, wherein the temperature of the chlorine water and the sodium hydroxide water solution is less than or equal to 40 ℃, and finally removing the adhesive film from the mold to obtain the cold-resistant protective glove product.
Preferably, the preparation method of the sulfur dispersion, the tetramethylthiuram disulfide dispersion, the zinc oxide dispersion and the anti-aging agent dispersion is as follows:
sequentially adding sulfur, potassium hydroxide, a dispersing agent NF and softened water into a grinding machine, and grinding for 36 hours to obtain a sulfur dispersion;
sequentially adding tetramethyl thiuram disulfide (TMTD), potassium hydroxide, a dispersing agent NF and softened water into a grinding machine, and grinding for 36 hours to obtain a tetramethyl thiuram disulfide (TMTD) dispersion;
sequentially adding zinc oxide, a dispersing agent NF and softened water into a grinding machine, and grinding for 36 hours to obtain a zinc oxide dispersion;
and sequentially adding the anti-aging agent WL, potassium hydroxide, a dispersing agent NF and softened water into a grinding machine, and grinding for 36 hours to obtain the anti-aging agent dispersoid.
Preferably, the weight ratio of each raw material in the sulfur dispersion, the tetramethylthiuram disulfide dispersion, the zinc oxide dispersion and the anti-aging agent dispersion is as follows:
sulfur dispersion: 100 parts of sulfur, 0.1-0.5 part of potassium hydroxide and 3.0-5.0 parts of dispersing agent NF;
tetramethylthiuram disulfide dispersion: 100 parts of tetramethyl thiuram disulfide, 0.2-0.5 part of potassium hydroxide and 3.0-5.0 parts of dispersant;
zinc oxide dispersion: 100 parts of zinc oxide and 3.0-5.0 parts of dispersing agent NF;
anti-aging agent dispersion: 100 parts of anti-aging agent WL, 0.1-0.3 part of potassium hydroxide and 3.0-5.0 parts of dispersing agent NF.
Preferably, in the step S2, the raw materials for preparing the compounded latex include 60% natural latex, 70% titanium white slurry solution, 20% potassium hydroxide aqueous solution, 45% phthalocyanine blue aqueous solution, and 5% defoamer aqueous solution.
The invention has the beneficial effects that:
(1) the glove is manufactured by adopting a latex foaming process, and the product has good air permeability and comfortable wearing and is more fit with the structure of hands;
(2) because the glove is made of latex foam, the glove has good flexibility and elasticity, is convenient and flexible for a user to operate, and has heat insulation and warm keeping;
(3) compared with the gloves with sprayed velvet and added velvet, the latex foaming gloves are easier to wear and more conformable to hands of human bodies, meet the requirements of most people, and improve the application range of the gloves; the production process is simple and the manufacturing cost is low.
Detailed Description
Example 1
The cold-resistant protective gloves comprise an outer layer and a lining, wherein the lining is arranged on the inner surface of the outer layer, the lining is made of foaming glue, and the outer layer is made of matching glue. The matching glue comprises the following raw materials in parts by weight:
100 parts of natural latex;
0.5 part of potassium hydroxide;
1.5 parts of sulfur;
2.5 parts of tetramethyl thiuram disulfide;
2.0 parts of ZnO;
0.5 part of anti-aging agent WL;
3.0 parts of titanium dioxide;
0.5 part of phthalocyanine blue;
0.5 part of defoaming agent.
The foaming glue comprises the following raw materials in parts by weight:
100 parts of natural latex;
2.5 parts of potassium hydroxide
3.0 parts of foaming agent;
1.5 parts of sulfur;
2.0 parts of tetramethyl thiuram disulfide;
1.5 parts of ZnO;
3.0 parts of anti-aging agent WL;
0.5 part of titanium white;
0.1 part of phthalocyanine green.
The preparation method comprises the following specific steps:
s1, preparing a sulfur dispersion, a tetramethylthiuram disulfide dispersion, a zinc oxide dispersion and an anti-aging agent WL dispersion;
sequentially adding sulfur, potassium hydroxide, a dispersing agent NF and softened water into a grinding machine, and grinding for 36 hours to obtain a sulfur dispersion; wherein, 100 parts of sulfur, 0.1 part of potassium hydroxide, 5.0 parts of dispersing agent NF and 94.9 parts of softened water are prepared into a sulfur dispersion with the mass percentage of 50 percent of sulfur;
sequentially adding tetramethyl thiuram disulfide (TMTD), potassium hydroxide, a dispersing agent NF and softened water into a grinding machine, and grinding for 36 hours to obtain a tetramethyl thiuram disulfide (TMTD) dispersion; wherein, by weight, 100 parts of tetramethylthiuram disulfide (TMTD), 0.5 part of potassium hydroxide and 146.5 parts of dispersant NF3.0 part of softened water are prepared into the tetramethylthiuram disulfide dispersion with the tetramethylthiuram disulfide percentage of 40%.
Sequentially adding zinc oxide, a dispersing agent NF and softened water into a grinding machine, and grinding for 36 hours to obtain a zinc oxide dispersion; wherein, the zinc oxide is 100 parts, the dispersing agent NF is 5.0 parts, and the softened water is 95 parts; preparing zinc oxide dispersoid with the mass percent of the zinc oxide being 50%;
sequentially adding the anti-aging agent WL, potassium hydroxide, a dispersing agent NF and softened water into a grinding machine, and grinding for 36 hours to obtain an anti-aging agent WL dispersion; the antioxidant dispersoid is prepared from 100 parts by weight of an antioxidant WL, 0.3 part by weight of potassium hydroxide, 5.0 parts by weight of a dispersing agent NF and 144.7 parts by weight of softened water, wherein the mass percent of the antioxidant dispersoid is 40%.
In addition, a potassium hydroxide aqueous solution with a mass percentage of 20% of potassium hydroxide, a titanium white slurry dispersion with a mass percentage of 70% of titanium dioxide, an antifoaming agent aqueous solution with a mass percentage of 5% of antifoaming agent (the antifoaming agents used in examples 1-2 are all silicone antifoaming agents), a phthalocyanine green aqueous solution with a mass percentage of 45% of phthalocyanine green, a phthalocyanine blue aqueous solution with a mass percentage of 45% of phthalocyanine blue, and a natural latex aqueous solution with a mass percentage of 60% of natural latex are prepared, respectively.
S2, preparing the matching glue in the No. 1 glue groove: adding titanium white slurry, a stabilizer KOH, a colorant phthalocyanine blue, a defoaming agent and RO water into natural latex, mixing to obtain complex latex, filtering the sulfur dispersion, the tetramethylthiuram disulfide dispersion, the zinc oxide dispersion and the anti-aging agent WL dispersion obtained in the step S1 into the complex latex through double-layer nylon cloth, mixing uniformly to obtain complex rubber, filtering the complex rubber into a No. 1 rubber tank through four layers of nylon cloth for later use, and circularly stirring the complex rubber in the No. 1 rubber tank;
s3, preparing the foaming adhesive in the No. 2 adhesive groove: filtering titanium white slurry, KOH, phthalocyanine green, a foaming agent (potassium oleate is used as the foaming agent in examples 1-2) and the sulfur dispersion, the tetramethylthiuram disulfide dispersion, the zinc oxide dispersion and the anti-aging agent WL dispersion prepared in the step S1 into natural latex to prepare foaming rubber, foaming the foaming rubber by a foaming machine, stabilizing the foam by sodium polyacrylate, inputting the foam rubber into a No. 2 rubber tank for later use after stabilizing the foam, and continuously stirring the foam rubber after inputting the foam rubber into the rubber tank;
s4, immersing the cleaned mould into a calcium chloride aqueous solution with 5-7% of calcium content for preheating, wherein the temperature of the calcium chloride aqueous solution with 5-7% is 65 ℃;
s5, immersing the die preheated in the step S4 into a coagulant with calcium content of 15-17%, and then drying the die in a coagulant drying furnace, wherein the temperature of the coagulant is 65 ℃;
s6, immersing the mold passing through the coagulant drying furnace in the step S5 into a No. 1 glue groove, wherein the temperature of the matched glue in the glue groove is 28 ℃, and then, the mold passes through a glue film shaping furnace for glue film shaping, and the temperature in the glue film shaping furnace is 110 ℃;
s7, immersing the mold passing through the shaping furnace in the step S6 into the foaming adhesive in the No. 2 adhesive tank for secondary gum dipping, wherein the temperature of the foaming adhesive in the No. 2 adhesive tank is 28 ℃; then the mold passes through a glue film drying furnace to carry out glue film drying, and the temperature in the glue film drying furnace is 100 ℃;
s8, vulcanizing the dried adhesive film in the step S7 in a vulcanizing furnace, cooling the adhesive film in the vulcanizing furnace at the medium temperature of 110-130 ℃, cooling the adhesive film in a cooling water tank at the temperature of less than or equal to 50 ℃ after the adhesive film is completely vulcanized, soaking the cooled adhesive film in chlorine water for chlorine treatment, soaking the adhesive film in a sodium hydroxide water solution with the pH value of 11 for neutralization after the chlorine treatment, and taking the adhesive film off from a mold to obtain the cold-resistant protective glove product, wherein the temperature of the chlorine water and the sodium hydroxide water solution is less than or equal to 40 ℃.
Example 2
The cold-resistant protective gloves comprise an outer layer and a lining, wherein the lining is arranged on the inner surface of the outer layer, the lining is made of foaming glue, and the outer layer is made of matching glue. The matching glue comprises the following raw materials in parts by weight:
100 parts of natural latex;
1.0 part of potassium hydroxide;
2.5 parts of sulfur;
1.5 parts of tetramethyl thiuram disulfide;
4.0 parts of ZnO;
2.5 parts of an anti-aging agent WL;
0.5 part of titanium white;
0.1 part of phthalocyanine blue;
0.1 part of defoaming agent.
The foaming glue comprises the following raw materials in parts by weight:
100 parts of natural latex;
1.0 part of potassium hydroxide
5.0 parts of foaming agent;
2.5 parts of sulfur;
1.0 part of tetramethyl thiuram disulfide;
2.5 parts of ZnO;
1.0 part of anti-aging agent WL;
3.0 parts of titanium dioxide;
0.5 part of phthalocyanine green.
The preparation method comprises the following specific steps:
s1, preparing a sulfur dispersion, a tetramethylthiuram disulfide dispersion, a zinc oxide dispersion and an anti-aging agent WL dispersion;
sequentially adding sulfur, potassium hydroxide, a dispersing agent NF and softened water into a grinding machine, and grinding for 36 hours to obtain a sulfur dispersion; wherein, 100 parts of sulfur, 0.5 part of potassium hydroxide, 3.0 parts of dispersing agent NF and 96.5 parts of softened water are prepared into a sulfur dispersion with the mass percentage of 50 percent of sulfur;
sequentially adding tetramethyl thiuram disulfide (TMTD), potassium hydroxide, a dispersing agent NF and softened water into a grinding machine, and grinding for 36 hours to obtain a tetramethyl thiuram disulfide (TMTD) dispersion; wherein, by weight, 100 parts of tetramethylthiuram disulfide (TMTD), 0.5 part of potassium hydroxide, 3.0 parts of dispersing agent NF and 146.5 parts of softened water are prepared into the tetramethylthiuram disulfide dispersion with the tetramethylthiuram disulfide percentage of 40%.
Sequentially adding zinc oxide, a dispersing agent NF and softened water into a grinding machine, and grinding for 36 hours to obtain a zinc oxide dispersion; wherein, the zinc oxide is 100 parts, the dispersing agent NF is 3.0 parts, and the softened water is 97 parts by weight; preparing zinc oxide dispersoid with the mass percent of the zinc oxide being 50%;
sequentially adding the anti-aging agent WL, potassium hydroxide, a dispersing agent NF and softened water into a grinding machine, and grinding for 36 hours to obtain an anti-aging agent WL dispersion; the antioxidant dispersoid is prepared from 100 parts by weight of an antioxidant WL, 0.1 part by weight of potassium hydroxide, 3.0 parts by weight of a dispersing agent NF and 146.9 parts by weight of softened water, wherein the mass percent of the antioxidant is 40%.
In addition, a potassium hydroxide aqueous solution with a mass percentage of 20% of potassium hydroxide, a titanium white slurry dispersion with a mass percentage of 70% of titanium dioxide, an antifoaming agent aqueous solution with a mass percentage of 5% of antifoaming agent (the antifoaming agents used in examples 1-2 are all silicone antifoaming agents), a phthalocyanine green aqueous solution with a mass percentage of 45% of phthalocyanine green, a phthalocyanine blue aqueous solution with a mass percentage of 45% of phthalocyanine blue, and a natural latex aqueous solution with a mass percentage of 60% of natural latex are prepared, respectively.
S2, preparing the matching glue in the No. 1 glue groove: adding titanium white slurry, a stabilizer KOH, a colorant phenol blue, a defoaming agent and RO water into natural latex, mixing to obtain complex latex, filtering the sulfur dispersion, the tetramethyl thiuram disulfide dispersion, the zinc oxide dispersion and the anti-aging agent WL dispersion obtained in the step S1 into the complex latex through double-layer nylon cloth, mixing uniformly to obtain complex rubber, filtering the complex rubber into a No. 1 rubber tank through four layers of nylon cloth for later use, and circularly stirring the complex rubber in the No. 1 rubber tank;
s3, preparing the foaming adhesive in the No. 2 adhesive groove: filtering titanium white slurry, KOH, phthalocyanine green, a foaming agent, a sulfur dispersion, a tetramethylthiuram disulfide dispersion, a zinc oxide dispersion and an anti-aging agent WL dispersion prepared in the step S1 into natural latex to prepare foaming glue, foaming the foaming glue by a foaming machine, stabilizing the foaming glue by using sodium polyacrylate, inputting the foaming glue into a No. 2 glue tank for later use after stabilizing the foaming glue, and continuously stirring the foaming glue after inputting the foaming glue into the glue tank;
s4, immersing the cleaned mould into a calcium chloride aqueous solution with 5-7% of calcium content for preheating, wherein the temperature of the calcium chloride aqueous solution with 5-7% is =55 ℃;
s5, immersing the preheated mould in the step S4 into a coagulant with calcium content of 15-17%, and then drying in a coagulant drying furnace, wherein the temperature of the coagulant is 67 ℃;
s6, immersing the mold passing through the coagulant drying furnace in the step S5 into a No. 1 glue groove, wherein the temperature of the matched glue in the glue groove is 33 ℃, and then, the mold passes through a glue film shaping furnace to carry out glue film shaping, and the temperature in the glue film shaping furnace is 120 ℃;
s7, immersing the mold passing through the shaping furnace in the step S6 into the foaming adhesive in the No. 2 adhesive tank for secondary gum dipping, wherein the temperature of the foaming adhesive in the No. 2 adhesive tank is 28 ℃; then, the mold passes through a glue film drying furnace to carry out glue film drying, and the temperature in the glue film drying furnace is 120 ℃;
s8, vulcanizing the dried adhesive film in the step S7 in a vulcanizing furnace, cooling the adhesive film in the vulcanizing furnace at the medium temperature of 110-130 ℃, cooling the adhesive film in a cooling water tank at the temperature of less than or equal to 50 ℃ after the adhesive film is completely vulcanized, soaking the cooled adhesive film in chlorine water for chlorine treatment, soaking the adhesive film in a sodium hydroxide water solution with the pH value of 13 for neutralization after the chlorine treatment, and taking the adhesive film off from a mold to obtain the cold-resistant protective glove product, wherein the temperature of the chlorine water and the sodium hydroxide water solution is less than or equal to 40 ℃.
Example 3
The results of comparison by trying on different products are as follows:
① Cold-resistant property, the velvet warm gloves are cold-resistant gloves and latex household gloves;
② operation touch feeling, latex household glove > cold-resistant glove > warm-keeping glove with velvet;
through wearing comparison of three different products, the comprehensive performance of the cold-resistant gloves is best, the heat preservation performance and the operation touch feeling of several kinds of gloves commonly seen in the market are confirmed by users, vegetables, clothes and the like need to be contacted with tap water for a long time in daily life, particularly, the temperature of the tap water is low in winter, the hands feel cold after being contacted with the tap water for a long time, and therefore, the heat preservation of the gloves is essential for the daily life of families.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The cold-resistant protective gloves are characterized by comprising an outer layer and a lining, wherein the lining is arranged on the inner surface of the outer layer and is made of foaming glue.
2. The cold-resistant protective glove of claim 1, wherein the outer layer is made of a compound rubber, and the compound rubber comprises the following raw materials in parts by weight:
100 parts of natural latex;
0.5-1.5 parts of potassium hydroxide;
1.5-2.5 parts of sulfur;
1.5-2.5 parts of tetramethyl thiuram disulfide;
2.0-4.0 parts of ZnO;
0.5-2.5 parts of anti-aging agent WL;
0.5-3.0 parts of titanium dioxide;
0.1-0.5 parts of phthalocyanine blue;
0.1-0.5 part of defoaming agent.
3. The cold-resistant protective glove of claim 2, wherein the foaming rubber comprises the following raw materials in parts by weight:
100 parts of natural latex;
1.0-2.5 parts of potassium hydroxide
3.0-5.0 parts of foaming agent;
1.5-2.5 parts of sulfur;
1.0-2.0 parts of tetramethyl thiuram disulfide;
1.5-2.5 parts of ZnO;
1.0-3.0 parts of anti-aging agent WL;
0.5-3.0 parts of titanium dioxide;
0.1 to 0.5 portion of phthalocyanine green.
4. The preparation method of the cold-resistant protective gloves as claimed in claim 3, which is characterized by comprising the following steps:
s1, preparing a sulfur dispersion, a tetramethylthiuram disulfide dispersion, a zinc oxide dispersion and an anti-aging agent dispersion;
s2, preparing the matching glue in the No. 1 glue groove: adding titanium white slurry, a stabilizer KOH, a colorant phthalocyanine blue, a defoaming agent and RO water into natural latex, mixing to obtain complex latex, filtering the sulfur dispersion, the tetramethylthiuram disulfide dispersion, the zinc oxide dispersion and the antioxidant dispersion obtained in S1 into the complex latex, mixing uniformly to obtain complex rubber, filtering the complex rubber into a No. 1 rubber tank for later use, and circularly stirring the complex rubber in the No. 1 rubber tank;
s3, preparing the foaming adhesive in the No. 2 adhesive groove: adding titanium white slurry, KOH, phthalocyanine green, a foaming agent and RO water into natural latex, mixing to obtain a complex latex, mixing the complex latex with the sulfur dispersion, the tetramethylthiuram disulfide dispersion, the zinc oxide dispersion and the anti-aging agent dispersion prepared in the step S1 to obtain a foamed rubber, foaming the foamed rubber by a foaming machine, stabilizing the foam by sodium polyacrylate, inputting the foamed rubber into a No. 2 rubber tank for later use after stabilizing the foam, and continuously stirring the foamed rubber after inputting the foamed rubber into the rubber tank;
s4, immersing the cleaned mould into a calcium chloride aqueous solution with 5-7% of calcium content for preheating, wherein the temperature of the calcium chloride aqueous solution with 5-7% is more than or equal to 55 ℃;
s5, immersing the preheated mould in the step S4 into a coagulant with calcium content of 15-17%, and then drying in a coagulant drying furnace, wherein the temperature of the coagulant is 65-67 ℃;
s6, immersing the mold passing through the coagulant drying furnace in the step S5 into a No. 1 glue groove, wherein the temperature of the matched glue in the glue groove is 28-33 ℃, then, the mold passes through a glue film shaping furnace to carry out glue film shaping, and the temperature in the glue film shaping furnace is 110-120 ℃;
s7, immersing the mold passing through the shaping furnace in the step S6 into the foaming adhesive in the No. 2 adhesive tank for secondary gum dipping, wherein the temperature of the foaming adhesive in the No. 2 adhesive tank is 28-33 ℃; then, drying the adhesive film of the mold in an adhesive film drying furnace at the temperature of 100-120 ℃;
s8, vulcanizing the dried adhesive film in the step S7 in a vulcanizing furnace, wherein the temperature in the vulcanizing furnace of the adhesive film is 110-130 ℃, cooling the adhesive film in a cooling water tank at the temperature of less than or equal to 50 ℃ after the adhesive film is completely vulcanized, soaking the cooled adhesive film in chlorine water for chlorine treatment, soaking the adhesive film in a sodium hydroxide water solution with the pH value of 11-13 for neutralization after the chlorine treatment, wherein the temperature of the chlorine water and the sodium hydroxide water solution is less than or equal to 40 ℃, and finally removing the adhesive film from the mold to obtain the cold-resistant protective glove product.
5. The method for preparing cold-resistant protective gloves according to claim 4, wherein the method for preparing the sulfur dispersion, the tetramethylthiuram disulfide dispersion, the zinc oxide dispersion and the anti-aging agent dispersion comprises the following steps:
sequentially adding sulfur, potassium hydroxide, a dispersing agent NF and softened water into a grinding machine, and grinding for 36 hours to obtain a sulfur dispersion;
sequentially adding tetramethyl thiuram disulfide (TMTD), potassium hydroxide, a dispersing agent NF and softened water into a grinding machine, and grinding for 36 hours to obtain a tetramethyl thiuram disulfide (TMTD) dispersion;
sequentially adding zinc oxide, a dispersing agent NF and softened water into a grinding machine, and grinding for 36 hours to obtain a zinc oxide dispersion;
and sequentially adding the anti-aging agent WL, potassium hydroxide, a dispersing agent NF and softened water into a grinding machine, and grinding for 36 hours to obtain the anti-aging agent dispersoid.
6. The method for preparing cold-resistant protective gloves according to claim 5, wherein the weight ratio of each raw material in the sulfur dispersion, the tetramethylthiuram disulfide dispersion, the zinc oxide dispersion and the anti-aging agent dispersion is as follows:
sulfur dispersion: 100 parts of sulfur, 0.1-0.5 part of potassium hydroxide and 3.0-5.0 parts of dispersing agent NF;
tetramethylthiuram disulfide dispersion: 100 parts of tetramethyl thiuram disulfide, 0.2-0.5 part of potassium hydroxide and 3.0-5.0 parts of dispersing agent NF;
zinc oxide dispersion: 100 parts of zinc oxide and 3.0-5.0 parts of dispersing agent NF;
anti-aging agent dispersion: 100 parts of anti-aging agent WL, 0.1-0.3 part of potassium hydroxide and 3.0-5.0 parts of dispersing agent NF.
7. The method for preparing cold-resistant protective gloves according to claim 4, wherein the latex compounding raw materials prepared in step S2 comprise 60% natural latex, 70% titanium white slurry solution, 20% potassium hydroxide aqueous solution, 45% phthalocyanine blue aqueous solution and 5% defoamer aqueous solution.
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| CN201911399718.1A CN111000309A (en) | 2019-12-30 | 2019-12-30 | Cold-resistant protective gloves and preparation method thereof |
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