Natural rubber latex preservative

A technology for natural rubber and preservatives, applied in the field of rubber chemical industry, can solve the problems of declining rubber latex quality, unfavorable industrial production, reducing dry content, etc., and achieves the effects of increasing dry content, reducing cost and improving quality

Inactive Publication Date: 2016-07-13
王叶苗
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In today's world, ammonia water is used to preserve the freshness of natural rubber latex. Ammonia water is not only poisonous and po

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0007] Embodiment 1, a kind of natural rubber milk antistaling agent, is made up of the following raw materials by weight: 0.5 parts of sodium metabisulfite, 0.5 parts of butyl p-hydroxybenzoate, 10 parts of sodium bicarbonate, 5 parts of sodium benzoate, 3 parts of citric acid .

Embodiment 2

[0008] Embodiment 2, a kind of natural rubber milk preservative, is made up of the following raw materials by weight: 0.2 part of sodium metabisulfite, 0.1 part of butyl p-hydroxybenzoate, 4 parts of sodium bicarbonate, 1 part of sodium benzoate, 1 part of citric acid .

Embodiment 3

[0009] Embodiment 3, a natural rubber milk antistaling agent, is made up of the following raw materials by weight: 0.4 parts of sodium metabisulfite, 0.3 parts of butyl p-hydroxybenzoate, 7 parts of sodium bicarbonate, 3 parts of sodium benzoate, 2 parts of citric acid .

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PUM

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Abstract

The present invention relates to the technical field of rubber chemicals, and particularly relates to a natural rubber latex preservative. The rubber latex preservative comprises the following raw materials in parts by weight: 0.2-0.5 part of sodium metabisulfite, 0.1-0.5 part of butyl p-hydroxybenzoate, 4-10 parts of sodium bicarbonate, 1-5 parts of sodium benzoate and 1-3 parts of citric acid. Object of the present invention is to provide a safe, environmentally-friendly, low-price, easy-to-use natural rubber latex preservative.

Description

technical field [0001] The invention relates to the technical field of rubber chemical industry, in particular to a natural rubber latex preservative. Background technique [0002] Rubber is an important industrial raw material, known as the four major industrial raw materials along with steel, petroleum, and coal. Rubber has a wide range of uses due to its unique high elasticity, good physical and mechanical properties and electrical insulation properties. Therefore, the consumption of rubber is very large. Commonly used rubbers include natural rubber and synthetic rubber. At present, the world's annual demand reaches 20 million tons, including 12 million tons of synthetic rubber and 8 million tons of natural rubber. But synthetic rubber cannot replace natural rubber. my country's natural rubber production accounts for only 7% of the world's total, while its demand accounts for more than 22% of the world's total. Natural rubber is rubber extracted from gum-containing p...

Claims

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Application Information

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IPC IPC(8): C08L7/02C08K13/02C08K3/30C08K5/134C08K3/26C08K5/098C08K5/092
Inventor 王叶苗
Owner 王叶苗
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