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Characteristics Of HPMC
Dec 01, 2017

Hydroxypropyl methyl cellulose is propylene alcohol ether, methyl cellulose and hydroxypropyl methyl all of anhydrous glucose and cellulose ether key part of the combination of white and gray cellulose powder or granule, with similar dissolve in cold water and hot water insoluble methyl cellulose. Solubility in organic solvents is superior to water solubility, soluble in methanol and ethanol solution, and soluble in organic solvents such as chlorinated hydrocarbons and ketones. Dissolved in water, its aqueous solution has surface activity. After drying, it forms a thin film. After heating and cooling, it experiences reversible transformation from sol to gel. Can be used alone in cold drink, also can be used with other emulsifier, stabilizer, the biggest dosage of cold drink 1%. Hydroxypropyl methyl cellulose can be mixed with other water-soluble high molecular compounds to become a uniform transparent and more viscous solution. The gelation temperature of low-viscosity products is higher than that of high viscosity. Its solution is stable at room temperature. In recent years, has been widely used in petroleum chemical industry, paper making, leather, textile printing and dyeing, medicine, food, cosmetics and other industries, as dispersing agent, thickening agent, adhesive, excipients, capsule, oil resistant coating and packing, etc.