Views:2 Author:Site Editor Publish Time: 2020-08-24 Origin:Site
Hydroxypropyl methyl cellulose (HPMC), is a cellulose carboxymethyl group substituted products. According to their molecular weight or degree of substitution, can be completely soluble or insoluble polymer, which can be used as a weak acid cation exchange agent, for the separation of neutral or alkaline protein. Carboxymethyl cellulose can form colloidal solution, high viscosity, adhesion, thickening, emulsifying, flow, shaped, water retention, protective colloid, film forming, acid resistance, salt tolerance, suspension and other characteristics, and the physiological harm, so it has been widely used in food, medicine, daily chemical, petroleum, papermaking, textile, construction and other fields in production.
Hydroxypropyl methyl cellulose is divided into two kinds of ordinary hot soluble cold water instantly soluble. Hydroxypropyl methyl cellulose uses are 1, Gypsum series In the gypsum series of products, cellulose ethers are mainly used to retain water and increase smoothness. Together they play a cer
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