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Manufacturing method of polymer composite

A manufacturing method and polymer technology, applied in the directions of graft polymer adhesives, adhesive types, coatings, etc., can solve problems such as starch dosage restrictions

Active Publication Date: 2012-05-30
SAIDEN CHEM IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the amount of starch used is limited

Method used

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  • Manufacturing method of polymer composite
  • Manufacturing method of polymer composite
  • Manufacturing method of polymer composite

Examples

Experimental program
Comparison scheme
Effect test

Embodiment a

[0051] Embodiment a, as a monomer mixture, add 50 parts of butyl acrylate, 50 parts of methyl methacrylate, 1.5 parts of acrylic acid, 5 parts of polyoxyethylene alkyl ether sodium sulfate (manufactured by Kao Corporation. Trade name: LATEMULE-118B), 25 parts of sucrose mixture (manufactured by Qunyei Chemical Industry Co., Ltd., trade name: Three Sugar), 10 parts of esterified starch and 15 parts of deionized water, at a temperature lower than the gelatinization initiation temperature of the esterified starch ( Stir and emulsify at 30°C (about 60°C).

[0052] At this time, the powdered esterified starch is added for emulsification and dispersion, and the reaction and dissolution are carried out while maintaining the dispersed state to prevent the esterified starch from coagulating. The esterified starch should be in a slurry state, not completely dissolved, so as to achieve a high concentration design, and also prevent gelatinization caused by a large increase in the viscosit...

Embodiment b

[0056] Embodiment b, as a monomer mixture, add 50 parts of butyl acrylate, 50 parts of methyl methacrylate, 1.5 parts of acrylic acid, 5 parts of polyoxyethylene alkyl ether sodium sulfate (manufactured by Kao Corporation. Trade name: LATEMULE-118B), 25 parts of sucrose mixture (manufactured by Qunei Chemical Industry Co., Ltd.. Trade name: Three Sugar), 10 parts of cross-linked starch and 15 parts of deionized water, at a temperature lower than the gelatinization initiation temperature of the cross-linked starch ( Stir and emulsify at room temperature (about 75°C). Add 50 parts of deionized water to the reaction device equipped with a stirrer, reflux cooler, thermometer, nitrogen conduit and dropping funnel, introduce nitrogen gas, and raise the temperature so that the internal temperature reaches 80°C above the gelatinization start temperature of cross-linked starch , add 0.4 parts of 5% potassium persulfate solution dissolved in deionized water. Then the pre-emulsified mon...

Embodiment c

[0057] Example c, as a monomer mixture, add 50 parts of butyl acrylate, 50 parts of methyl methacrylate, 1.5 parts of acrylic acid, 5 parts of polyoxyethylene alkyl ether sodium sulfate (manufactured by Kao Corporation. Trade name: LATEMULE-118B), 10 parts of sucrose mixture (manufactured by Gunei Chemical Industry Co., Ltd.. Trade name: Three Sugar), 10 parts of esterified starch, and 15 parts of deionized water at room temperature lower than the gelatinization start temperature of esterified starch Stir and emulsify under conditions. Add 15 parts of sucrose mixture and 50 parts of deionized water to the reaction device equipped with agitator, reflux cooler, thermometer, nitrogen conduit and dropping funnel, introduce nitrogen, and heat up so that the internal temperature reaches the gelatinization of esterified starch. At temperatures above 80°C, 0.4 parts of a 5% potassium persulfate solution dissolved in deionized water were added. Then, the pre-emulsified monomer emulsio...

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Abstract

The invention relates to a polymer composite manufacturing method, which includes a process for mixing at least one of the starch and dextrin with the monomer and sugar, emulsifying to obtain monomer emulsified mixture; and a process for obtaining the polymer dispersion fluid of the polymer composite by reaction of the monomer emulsified mixture. By adopting the inventive manufacturing method, environment-friendly polymer composite using starch, sugar and the like to process reaction can be obtained. In other aspects of the invention, in the manufacturing method of the polymer composites, at least one of the starch and dextrin is the paste status taken as the monomer emulsified mixture. By adopting the manufacturing method, the dosage restrictions of the starch and the like can be greatlymitigated, and the reaction is environmentally friendly.

Description

technical field [0001] The present invention relates to a method for the manufacture of polymer composites. Background technique [0002] In recent years, in order to reduce the environmental load, examples of using microbially degradable materials have also been proposed in paints. In addition, plant-derived raw materials are attracting attention because they do not increase carbon dioxide in the atmosphere due to their carbon dioxide emission and absorption in the life cycle of plus or minus zero. [0003] For example, in Patent Document 1, although starch is used as a resin component for coating material formation, when a solvent is used as a solvent, a large amount of volatile organic compounds are generated, which may cause environmental load. In addition, when water is used as a solvent, due to acid group denaturation of starch, acid groups remain in the paint film, causing water resistance problems. [0004] In Patent Document 2 and Patent Document 3, starch is cont...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F251/00C08F2/26C08F2/44C08K5/1545C09D151/02C09J151/02
Inventor 柿崎涉仓贯祐子中村朝德池田修治
Owner SAIDEN CHEM IND
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