Polyanion cellulose preparation method

Polyanion cellulose preparation method

The present invention discloses polyanionic cellulose with a special quality, the multi-step slurry process for preparing the polyanionic cellulose and the ternary complex solvent required. The complex solvent is composed of (A) from 71 percent to 87 percent by weight of isopropyl alcohol, (B) from...

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Hauptverfasser: WU JIAWEI, LIU QINGXIU, TENG HONGRU, LI KUN, LIU TINGSHENG
Format: Patent
Sprache:chi ; eng
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CHEMISTRY
COMPOSITIONS BASED THEREON
DERIVATIVES THEREOF
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
POLYSACCHARIDES
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator WU JIAWEI
LIU QINGXIU
TENG HONGRU
LI KUN
LIU TINGSHENG
description The present invention discloses polyanionic cellulose with a special quality, the multi-step slurry process for preparing the polyanionic cellulose and the ternary complex solvent required. The complex solvent is composed of (A) from 71 percent to 87 percent by weight of isopropyl alcohol, (B) from 10 percent to 20 percent by weight of alcohol and from 71 percent to 87 percent by weight of the soft water. The multi-step slurry process for preparing the polyanionic cellulose has a more excellent technical effect on material economizing, time saving and the properties of product than the traditional one-step slurry process for preparing the polyanionic cellulose. Compared with the properties the product produced by the traditional method, the acid resistance is raised by more than 20 percent, and the viscosity is greatly improved. The polyanionic cellulose is widely used in the fields like petroleum, paint, detergent, building materials, textile industry, paper marking, medicines, foodstuff, etc.
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
DERIVATIVES THEREOF
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
POLYSACCHARIDES
THEIR PREPARATION OR CHEMICAL WORKING-UP
title Polyanion cellulose preparation method
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