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Biological double-acid bacterium natural rubber latex coagulator and preparation method thereof

A natural rubber and coagulant technology, applied in the field of rubber coagulant, can solve the problems of great impact on the quality of rubber products, high transportation and safety costs, etc.

Inactive Publication Date: 2016-06-15
黎春柏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The economic cost of using formic acid and sulfuric acid is very low, but the transportation and safety costs are high, which has a great impact on the quality of rubber products

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Biological diacid bacteria natural rubber milk coagulant of the present invention is made up of acetic acid, benzoic acid, industrial grade ascorbic acid, calcium hydroxide and sodium hydroxide, 23kg of acetic acid with mass concentration content of 20%, 4kg of benzoic acid with mass concentration content of 98% , Industrial grade ascorbic acid 2kg, calcium hydroxide 6kg, sodium hydroxide 8kg. Its preparation method is:

[0019] a. Take 6kg of calcium hydroxide and put it in a plastic bucket that can hold 150kg, then add 80kg of clean water, stir continuously for 20 minutes, and let it stand for 12 hours. The purpose is to release the chemical components in the calcium hydroxide into the water. . After 12 hours, take out the precipitated calcium hydroxide in pieces, and then filter it with a 100-mesh nylon filter cloth, heat the 80kg of calcium hydroxide to 70-80 degrees, and evaporate and concentrate the water vapor to the remaining 50%. That is, after the remaining ...

Embodiment 2

[0023] The biological biacid bacteria natural rubber milk coagulant prepared by using embodiment 1 obtains the following data through experiments:

[0024] Experiment 1: Take 100kg of fresh latex with a dry content of 35% and put it in a plastic tray, add 40ml of ann latex coagulant, stir for a few seconds, the latex shows signs of coagulation in 10 minutes, and 100% of the latex is completely coagulated in 40 minutes. A total of 35kg of rubber mound was obtained.

[0025] Experiment 2. Take 100kg of fresh latex with a dry content of 35% and put it in a plastic tray, add 40ml of ssj latex coagulant, stir for a few seconds, and the latex will show signs of coagulation in 10 minutes and 100% in 40 minutes. Complete coagulation. A total of 35kg of rubber mound was obtained.

[0026] Experiment 3: Take 100kg of fresh latex with a dry content of 35% and put it in a plastic tray, add 40ml of biacid bacteria latex coagulant, stir for a few seconds, and the latex will show signs of c...

Embodiment 3

[0032] 20-23kg of acetic acid with a mass concentration of 20%, 3-4kg of benzoic acid with a mass concentration of 98%, 1.5-2kg of industrial grade ascorbic acid, 5-6kg of calcium hydroxide, and 6-8kg of sodium hydroxide.

[0033] Biological biacid bacteria natural rubber milk coagulant of the present invention is made up of acetic acid, benzoic acid, industrial grade ascorbic acid, calcium hydroxide and sodium hydroxide, 20kg of mass concentration content 20% acetic acid, 3kg of mass concentration content 98% benzoic acid , Industrial grade ascorbic acid 1.5kg, calcium hydroxide 5kg, sodium hydroxide 6kg.

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PUM

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Abstract

The invention provides a biological double-acid bacterium natural rubber latex coagulator, relating to a coagulator, particularly a rubber coagulator. The biological double-acid bacterium natural rubber latex coagulator is composed of 20-23kg of 20wt% acetic acid, 3-4kg of 98wt% benzoic acid, 1.5-2kg of industrial grade ascorbic acid, 5-6kg of calcium hydroxide and 6-8kg of sodium hydroxide. Abundant tests are performed to successfully prepare the biological double-acid bacterium natural rubber latex coagulator in June 2015; the coagulator has the advantages of high use safety, quick coagulation and low price (only 50% of formic acid); and the biological double-acid bacterium natural rubber latex coagulator greatly lowers the use cost.

Description

technical field [0001] The invention relates to a coagulant, in particular to a rubber coagulant. Background of the invention [0002] At present, in all countries producing natural rubber in my country and Southeast Asian countries, most of the coagulation methods of natural rubber latex use formic acid, which has remained unchanged for decades, as the main coagulant. The rubber industry in Hainan Province originated earlier, such as rubber clear The coagulation of glue can only use sulfuric acid as a coagulant at present. The above two strong acid chemicals have great safety risks in the process of transportation, storage, distribution, sales, and use. They are used in rubber farmers and rubber factories. There are many cases of severe skin burns caused by inadvertent contact with the skin during the process. In short, the safety of the above two strong acid chemicals used in my country's rubber industry has attracted the attention of industry and commerce and safety superv...

Claims

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Application Information

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IPC IPC(8): C08C1/15
CPCC08C1/15
Inventor 吴配奇黎春柏许灿姬
Owner 黎春柏
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