Treat the refined cotton cellulose with alkali solution at 35-40°C for half an hour, press, pulverize the cellulose, and properly age at 35°C, so that the average degree of polymerization of the obtained alkali fiber is within the required range.

HPMC is often widely used in other fields, such as plastics: as a mold release agent, softener, lubricant, etc. Polyvinyl chloride: used as a dispersant in the production of polyvinyl chloride, it is the main auxiliary agent for the preparation of PVC by suspension polymerization. Pharmaceutical ind......

All models can be added to the material by dry blending. When it needs to be added directly to the aqueous solution at room temperature, it is best to use a cold water dispersion type, and it usually takes 10-90 minutes to thicken after adding. For ordinary models, stir and disperse with hot water f......

Construction industry: As a water-retaining agent and retarder for cement mortar, it makes the mortar pumpable. Used as a binder in plastering paste, gypsum, putty powder or other building materials to improve spreadability and prolong operation time.

The main use is as a dispersant in the production of polyvinyl chloride, and it is the main auxiliary agent for the preparation of PVC by suspension polymerization. In addition, it is used as thickener, stabilizer, emulsifier, excipient, water-retaining agent in the production of other petrochemical......

Cement mortar: improve the dispersibility of cement-sand, greatly improve the plasticity and water retention of mortar, and effectively prevent cracks and enhance the strength of cement. 2. Tile cement: Improve the plasticity and water retention of the pressed tile mortar, improve the