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Preparation process of glove with alkali-treated surface

A preparation process and surface treatment technology, used in gloves, clothing, protective clothing, etc., can solve the problems of slow protein hydrolysis, lower hydration, and lower latex stability, and achieve improved pH value, suitable for wearing, and improved stability. Effect

Inactive Publication Date: 2021-04-09
恒劢安全防护用品(南通)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the alkali will promote the slow hydrolysis of the protein. For example, the salt formed by ammonia and acid after adding latex can denature the protein in the colloidal particles, thereby reducing the degree of hydration.
In addition, due to the addition of ammonia, the solubility of zinc oxide and the formation of zinc ammonium ions are promoted, which reduces the stability of latex

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A preparation process for surface alkali treatment gloves, the emulsion formulation comprising the following raw materials in parts by weight: 100 parts of nitrile latex, 1 part of KOH, 1 part of sulfur, 1 part of zinc oxide, 0.5 parts of accelerator, 1.4 parts of titanium dioxide, 0.01 part of dispersant, 0.4 part of anti-aging agent, 2 parts of black pigment, 4 parts of cellulose.

[0025] Its concrete preparation steps are:

[0026] (a) Prepare the emulsion according to the above formula, control the viscosity of the emulsion obtained by the configuration at 2000mps, and put it into use after standing for 12 hours;

[0027] (b) Put the glove core on the palm model, put it into the oven to preheat, set the working temperature of the oven to 55°C, and set the working time of the oven to 30 minutes;

[0028] (c) immerse the palm model in the coagulant at room temperature and uniformly coagulate for 60 seconds;

[0029] (d) immerse the palm model in the emulsion config...

Embodiment 2

[0033] A preparation process for surface alkali treatment gloves, the emulsion formula comprising the following raw materials in parts by weight: 100 parts of styrene-butadiene latex, 3 parts of KOH, 1.6 parts of sulfur, 2 parts of zinc oxide, 1 part of accelerator, 2.2 parts of titanium dioxide, 0.05 parts of dispersant, 1 part of anti-aging agent, 6 parts of black pigment, and 8 parts of cellulose.

[0034] Its concrete preparation steps are:

[0035] (a) Prepare the emulsion according to the above formula, control the viscosity of the emulsion obtained by the configuration at 4000mps, and put it into use after standing for 12 hours;

[0036] (b) Put the glove core on the palm model, put it into the oven to preheat, set the working temperature of the oven to 55°C, and set the working time of the oven to 30 minutes;

[0037] (c) Immerse the palm model in the coagulant at room temperature and uniformly coagulate for 100 seconds;

[0038] (d) immerse the palm model in the emu...

Embodiment 3

[0042] A preparation process for surface alkali treatment gloves, the emulsion formulation comprising the following raw materials in parts by weight: 90 parts of nitrile latex, 10 parts of natural latex, 2 parts of KOH, 1.2 parts of sulfur, 1.5 parts of zinc oxide, 0.8 parts of accelerator, 1.8 parts of titanium dioxide, 0.03 parts of dispersant, 0.7 parts of anti-aging agent, 4 parts of black pigment, 6 parts of cellulose.

[0043] Its concrete preparation steps are:

[0044] (a) Prepare the emulsion according to the above formula, control the viscosity of the emulsion obtained by the configuration at 3000mps, and put it into use after standing for 12 hours;

[0045] (b) Put the glove core on the palm model, put it into the oven to preheat, set the working temperature of the oven to 55°C, and set the working time of the oven to 30 minutes;

[0046] (c) Immerse the palm model in the coagulant at room temperature and uniformly coagulate for 80 seconds;

[0047] (d) immerse th...

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Abstract

The invention discloses a preparation process of a glove with an alkali-treated surface. The preparation process comprises the following steps: preparing an emulsion, and subjecting the emulsion to standing for later use; sleeving a palm model with a glove core, and preheating the palm model in a drying oven; immersing the palm model into a coagulator for uniform coagulation; immersing the palm model into a prepared emulsion; immersing the palm model in an alkaline surface treatment agent for surface treatment, wherein the alkaline surface treatment agent is a KOH-methanol solution; and pre-vulcanizing, soaking and vulcanizing the palm model having been subjected to surface treatment, and finally removing the palm model to obtain a glove product. According to the preparation process, the pH value of the emulsion is increased, and the stability of the emulsion is improved, so the finally prepared leather working glove is durable to use, light in weight and suitable for wearing.

Description

technical field [0001] The invention belongs to the technical field of rubber-dipped gloves, and in particular relates to a preparation process of gloves with surface alkali treatment. Background technique [0002] The addition of alkali increases the pH value of the latex and improves the stability of the latex. However, the alkali will promote the slow hydrolysis of the protein. For example, the salt formed by ammonia and acid after adding latex can denature the protein in the colloidal particles, thereby reducing the degree of hydration. In addition, due to the addition of ammonia, the solubility of zinc oxide and the formation of zinc ammonium ions are promoted, which reduces the stability of latex. [0003] Alkali-treated protective gloves are gloves made of fabric as a lining, dipped in latex, vulcanized and other processes. Due to its easy processing, strong applicability and reusability, it has been widely used in various workplaces such as automobile manufacturing...

Claims

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Application Information

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IPC IPC(8): C08J7/12C08J5/02C08L9/04C08L9/08C08L7/02C08L1/02C08K13/02C08K3/06C08K3/22A41D19/015A41D19/00
CPCC08J7/12C08J5/02A41D19/0055C08J2309/04C08J2309/08C08J2407/02C08J2401/02C08K13/02C08K3/06C08K2003/2296C08K2003/2241C08K3/22
Inventor 刘网军
Owner 恒劢安全防护用品(南通)有限公司
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