CN112480506A - Preparation method of graphene hydrogel modified latex and graphene modified hydrogel rubber glove - Google Patents
Preparation method of graphene hydrogel modified latex and graphene modified hydrogel rubber glove Download PDFInfo
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- CN112480506A CN112480506A CN202011358034.XA CN202011358034A CN112480506A CN 112480506 A CN112480506 A CN 112480506A CN 202011358034 A CN202011358034 A CN 202011358034A CN 112480506 A CN112480506 A CN 112480506A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L13/00—Compositions of rubbers containing carboxyl groups
- C08L13/02—Latex
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
- C08L11/02—Latex
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- 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
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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
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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
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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Abstract
The invention relates to graphene hydrogel modified latex which comprises the following components in parts by weight: 100 parts of carboxyl butyronitrile rubber, 1-2 parts of potassium hydroxide, 1-1.5 parts of sulfur, 1.5-3 parts of zinc oxide, 0.5-1.2 parts of accelerator, 0.01-0.03 part of dispersant and 5-50 parts of graphene hydrogel. The preparation method of the graphene modified hydrogel rubber glove comprises the steps of controlling the viscosity of the graphene modified hydrogel latex at 3000-5000mps, and standing; preheating the glove core; impregnating a coagulant; dipping graphene hydrogel modified latex; uniformly spreading salt on the glue surface for shaping; pre-vulcanizing, soaking and washing and vulcanizing. Compared with the traditional gloves, the high-performance protective gloves which are more wear-resistant, tear-resistant, conductive and corrosion-resistant are manufactured.
Description
Technical Field
The invention belongs to the field of rubber impregnated gloves, and particularly relates to graphene hydrogel modified latex and a preparation method of graphene modified hydrogel rubber gloves.
Background
Graphene has many excellent properties, such as large specific surface area, high strength, and high conductivity. Therefore, the method is expected to be applied to a plurality of fields such as safety protection, electronic materials and the like. However, the sheets are easy to be stacked again, which limits the industrial application. The graphene oxide is an important derivative of graphene, and the graphene-based material can be obtained through a reduction process. The graphene-based hydrogel has gel characteristics, and can form graphene-based hydrogel under certain conditions. The unique spatial structure can not only prevent the sheet from being re-stacked, but also be more conveniently applied to materials.
Disclosure of Invention
In order to solve the problems, the invention adopts the following technical scheme:
the graphene hydrogel modified latex comprises the following components in parts by weight:
100 parts of carboxylic acrylonitrile-butadiene latex,
1-2 parts of potassium hydroxide, namely,
1 to 1.5 portions of sulfur,
1.5 to 3 parts of zinc oxide,
0.5 to 1.2 portions of accelerant,
0.01 to 0.03 portion of dispersant,
5-50 parts of graphene hydrogel.
One mode comprises the following components in parts by weight:
100 parts of carboxylic acrylonitrile-butadiene latex,
1 part of potassium hydroxide, namely potassium hydroxide,
0.8 part of sulfur, namely,
2 parts of zinc oxide, namely zinc oxide,
1 part of an accelerating agent, namely 1 part,
1-2 parts of titanium dioxide powder,
0.02 part of a dispersant, namely,
20 parts of graphene hydrogel, namely 20 parts of graphene hydrogel,
0.8 part of an anti-aging agent,
1-2 parts of black pigment,
3-8 parts of cellulose.
One mode is that the graphene hydrogel comprises the following components in parts by weight:
30-50 parts of graphite oxide powder,
0.5 to 1 portion of potassium hydroxide,
0.1 to 1.5 portions of dispersant,
1-10 parts of manganese chloride, namely manganese chloride,
50 parts of water.
One mode is that the graphene hydrogel comprises the following components in parts by weight: 50 parts of graphite oxide powder, 1 part of potassium hydroxide, 0.5 part of dispersant, 10 parts of manganese chloride and 50 parts of water.
In one embodiment, the graphene hydrogel is prepared by a method comprising
Mixing graphite oxide powder with a dispersant and water;
heating the mixture to 70-90 deg.C;
pre-dispersing, and simultaneously adding potassium hydroxide into the mixture for modification for a plurality of times;
grinding the modified dispersion liquid by using a colloid mill, and adding manganese chloride;
grinding to obtain the graphene hydrogel.
The preparation method of the graphene modified hydrogel rubber glove comprises the following steps,
controlling the viscosity of the graphene hydrogel modified latex at 3000-5000mps, and standing;
preheating the glove core;
impregnating a coagulant;
dipping graphene hydrogel modified latex;
uniformly spreading salt on the glue surface for shaping;
pre-vulcanizing, soaking and washing and vulcanizing.
One way is that the viscosity of the graphene hydrogel modified latex is controlled at 3000-5000mps, and the latex is put into use after standing for 6-12 hours;
preheating the glove core at 70 ℃ for 20-30 min;
soaking in coagulant, and uniformly coagulating at room temperature for 70-120 s;
dipping graphene hydrogel modified latex, and homogenizing at room temperature for 180 seconds;
uniformly spreading salt on the glue surface for shaping;
pre-vulcanizing at 65-85 deg.C, soaking and washing at 40-50 deg.C, and vulcanizing at 95-115 deg.C.
One method comprises pre-vulcanizing at 65-85 deg.C for 60-90min, soaking and washing at 40-50 deg.C for 40-60min, and vulcanizing at 95-115 deg.C for 90 min.
The invention has the beneficial effects that:
before the graphene modified latex is prepared into graphene hydrogel, the excellent performance of graphene is reflected in the latex. Thereby producing the high-performance protective gloves which are more wear-resistant, tear-resistant, conductive and corrosion-resistant compared with the traditional gloves.
Detailed Description
The invention will be further illustrated with reference to specific embodiments:
example 1
The graphene hydrogel modified latex formula comprises the following raw materials in parts by weight: 100 parts of carboxylic butyronitrile latex, 1 part of KOH, 0.8 part of sulfur, 2.0 parts of zinc oxide, 1.0 part of accelerator, 2.0 parts of titanium dioxide, 0.02 part of dispersant, 20 parts of graphene hydrogel, 0.8 part of anti-aging agent, 2 parts of black pigment and 5 parts of cellulose.
A preparation method of a graphene hydrogel multifunctional glove comprises the following steps:
preparing latex according to the proportion, controlling the viscosity at 4000mps, standing for 6 hours, and then putting into use;
sleeving a HPPE glove core on the hand mold, and preheating for 20min in an oven at 70 ℃;
soaking in coagulant, and uniformly coagulating at room temperature for 70 s;
dipping latex, and homogenizing at room temperature for 180 ℃;
uniformly spreading salt on the glue surface for shaping;
pre-sulfurizing (65 deg.C for 60min), soaking and washing (40 deg.C for 40min), and sulfurizing (95 deg.C for 90 min);
and demolding to obtain the glove product.
Example 2
The graphene hydrogel modified latex formula comprises the following raw materials in parts by weight: 100 parts of natural latex, 1 part of KOH, 0.8 part of sulfur, 2.0 parts of zinc oxide, 1.0 part of accelerator, 2.0 parts of titanium dioxide, 0.02 part of dispersant, 20 parts of graphene hydrogel, 0.8 part of anti-aging agent, 2 parts of black pigment and 5 parts of cellulose.
A preparation method of a graphene hydrogel multifunctional glove comprises the following steps:
preparing latex according to the proportion, controlling the viscosity at 3000mps, standing for 12h, and then putting into use;
sleeving a HPPE glove core on the hand mold, and preheating for 30min in an oven at 70 ℃;
soaking in coagulant, and homogenizing at room temperature for 120 s;
dipping latex, and homogenizing for 240s at room temperature;
uniformly spreading salt on the glue surface for shaping;
pre-sulfurizing (85 deg.C for 90min), soaking and washing (50 deg.C for 60min), and sulfurizing (115 deg.C for 90 min);
and demolding to obtain the glove product.
Example 3
The graphene hydrogel modified latex formula comprises the following raw materials in parts by weight: 100 parts of neoprene latex, 1 part of KOH, 0.8 part of sulfur, 2.0 parts of zinc oxide, 1.0 part of accelerator, 2.0 parts of titanium dioxide, 0.02 part of dispersant, 20 parts of graphene hydrogel, 0.8 part of anti-aging agent, 2 parts of black pigment and 5 parts of cellulose.
The preparation method of the multifunctional graphene hydrogel glove comprises the following steps:
preparing latex according to the proportion, controlling the viscosity at 4000mps, standing for 6-12h, and then putting into service;
sleeving a HPPE glove core on the hand mold, and preheating for 25min in an oven at 70 ℃;
soaking in coagulant, and uniformly coagulating at room temperature for 80 s;
dipping latex, and homogenizing for 200s at room temperature;
uniformly spreading salt on the glue surface for shaping;
pre-vulcanizing (80 deg.C for 70min), soaking and washing (45 deg.C for 45min), and vulcanizing (100 deg.C for 90 min);
and demolding to obtain the glove product.
Example 4
The graphene hydrogel modified latex formula comprises the following raw materials in parts by weight: 90 parts of carboxylated butyronitrile latex, 10 parts of natural latex, 1 part of KOH, 0.8 part of sulfur, 2.0 parts of zinc oxide, 1.0 part of accelerator, 2.0 parts of titanium dioxide, 0.02 part of dispersant, 20 parts of graphene hydrogel, 0.8 part of anti-aging agent, 2 parts of black pigment and 5 parts of cellulose.
The preparation method of the multifunctional graphene hydrogel glove comprises the following steps:
preparing latex according to the proportion, controlling the viscosity at 4000mps, standing for 6-12h, and then putting into service;
sleeving a HPPE glove core on the hand mold, and preheating for 25min in an oven at 70 ℃;
soaking in coagulant, and uniformly coagulating at room temperature for 80 s;
dipping latex, and homogenizing for 200s at room temperature;
uniformly spreading salt on the glue surface for shaping;
pre-vulcanizing (80 deg.C for 70min), soaking and washing (45 deg.C for 45min), and vulcanizing (100 deg.C for 90 min);
and demolding to obtain the glove product.
Example 5
The graphene hydrogel modified latex formula comprises the following raw materials in parts by weight: 90 parts of carboxylated butyronitrile latex, 10 parts of natural latex, 1 part of KOH, 0.8 part of sulfur, 2.0 parts of zinc oxide, 1.0 part of accelerator, 2.0 parts of titanium dioxide, 0.02 part of dispersant, 20 parts of graphene hydrogel, 0.8 part of anti-aging agent, 2 parts of black pigment and 5 parts of cellulose.
The preparation method of the multifunctional graphene hydrogel glove comprises the following steps:
preparing latex according to the proportion, controlling the viscosity at 4000mps, standing for 6-12h, and then putting into service;
sleeving a HPPE glove core on the hand mold, and preheating for 25min in an oven at 70 ℃;
soaking in coagulant, and uniformly coagulating at room temperature for 80 s;
dipping latex, and homogenizing for 200s at room temperature;
uniformly spreading salt on the glue surface for shaping;
pre-vulcanizing (80 deg.C for 70min), soaking and washing (45 deg.C for 50min), and vulcanizing (100 deg.C for 90 min);
and demolding to obtain the glove product.
Example 6
The graphene hydrogel modified latex formula comprises the following raw materials in parts by weight: 100 parts of carboxylic butyronitrile latex, 1 part of KOH, 0.8 part of sulfur, 2.0 parts of zinc oxide, 1.0 part of accelerator, 2.0 parts of titanium dioxide, 0.02 part of dispersant, 20 parts of graphene hydrogel, 0.8 part of anti-aging agent, 2 parts of black pigment and 5 parts of cellulose.
The preparation method of the multifunctional graphene hydrogel glove comprises the following steps:
preparing latex according to the proportion, controlling the viscosity at 4000mps, standing for 6-12h, and then putting into service;
sleeving a HPPE glove core on the hand mold, and preheating for 25min in an oven at 70 ℃;
soaking in coagulant, and uniformly coagulating at room temperature for 80 s;
dipping latex, and homogenizing for 200s at room temperature;
uniformly spreading salt on the glue surface for shaping;
pre-vulcanizing (80 deg.C for 70min), soaking and washing (45 deg.C for 45min), and vulcanizing (100 deg.C for 90 min);
and demolding to obtain the glove product.
Compared with the traditional gloves, the high-performance protective gloves which are more wear-resistant, tear-resistant, conductive and corrosion-resistant are manufactured.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.
Claims (8)
1. The graphene hydrogel modified latex is characterized in that: comprises the following components in parts by weight:
100 parts of carboxylic acrylonitrile-butadiene latex,
1-2 parts of potassium hydroxide, namely,
1 to 1.5 portions of sulfur,
1.5 to 3 parts of zinc oxide,
0.5 to 1.2 portions of accelerant,
0.01 to 0.03 portion of dispersant,
5-50 parts of graphene hydrogel.
2. The graphene hydrogel modified latex according to claim 1, wherein: comprises the following components in parts by weight:
100 parts of carboxylic acrylonitrile-butadiene latex,
1 part of potassium hydroxide, namely potassium hydroxide,
0.8 part of sulfur, namely,
2 parts of zinc oxide, namely zinc oxide,
1 part of an accelerating agent, namely 1 part,
1-2 parts of titanium dioxide powder,
0.02 part of a dispersant, namely,
20 parts of graphene hydrogel, namely 20 parts of graphene hydrogel,
0.8 part of an anti-aging agent,
1-2 parts of black pigment,
3-8 parts of cellulose.
3. The graphene hydrogel modified latex according to claim 1, wherein: the graphene hydrogel comprises the following components in parts by weight:
30-50 parts of graphite oxide powder,
0.5 to 1 portion of potassium hydroxide,
0.1 to 1.5 portions of dispersant,
1-10 parts of manganese chloride, namely manganese chloride,
50 parts of water.
4. The graphene hydrogel modified latex according to claim 3, wherein: the graphene hydrogel comprises the following components in parts by weight: 50 parts of graphite oxide powder, 1 part of potassium hydroxide, 0.5 part of dispersant, 10 parts of manganese chloride and 50 parts of water.
5. The graphene hydrogel modified latex according to claim 3, wherein: the preparation method of the graphene hydrogel comprises the following steps
Mixing graphite oxide powder with a dispersant and water;
heating the mixture to 70-90 deg.C;
pre-dispersing, and simultaneously adding potassium hydroxide into the mixture for modification for a plurality of times;
grinding the modified dispersion liquid by using a colloid mill, and adding manganese chloride;
grinding to obtain the graphene hydrogel.
6. The preparation method of the graphene modified hydrogel rubber glove is characterized by comprising the following steps: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the graphene hydrogel modified latex of claims 1-5, wherein the viscosity is controlled at 3000 and 5000mps, and the latex is left to stand;
preheating the glove core;
impregnating a coagulant;
dipping graphene hydrogel modified latex;
uniformly spreading salt on the glue surface for shaping;
pre-vulcanizing, soaking and washing and vulcanizing.
7. The method for preparing the graphene-modified hydrogel rubber glove according to claim 6, wherein the method comprises the following steps:
the viscosity of the graphene hydrogel modified latex is controlled at 3000-5000mps, and the graphene hydrogel modified latex is put into use after standing for 6-12 hours;
preheating the glove core at 70 ℃ for 20-30 min;
soaking in coagulant, and uniformly coagulating at room temperature for 70-120 s;
dipping graphene hydrogel modified latex, and homogenizing at room temperature for 180 seconds;
uniformly spreading salt on the glue surface for shaping;
pre-vulcanizing at 65-85 deg.C, soaking and washing at 40-50 deg.C, and vulcanizing at 95-115 deg.C.
8. The method for preparing the graphene-modified hydrogel rubber glove according to claim 7, wherein the method comprises the following steps: pre-vulcanizing at 65-85 deg.C for 60-90min, soaking and washing at 40-50 deg.C for 40-60min, and vulcanizing at 95-115 deg.C for 90 min.
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Cited By (3)
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| CN113683825A (en) * | 2021-08-28 | 2021-11-23 | 石家庄鸿欣橡胶制品有限公司 | Butyronitrile gloves and forming process thereof |
| CN113855028A (en) * | 2021-08-25 | 2021-12-31 | 华中科技大学同济医学院附属协和医院 | Medical protective gloves for neonates, hydrogel layer and preparation method of hydrogel layer |
| CN115960401B (en) * | 2022-12-16 | 2023-10-27 | 江苏恒辉安防股份有限公司 | Preparation method of high-strength anti-slip butyronitrile foaming glove without surface treatment |
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Application publication date: 20210312 |