Chemcial hydroxypropyl methylcellulose

Chemcial hydroxypropyl methylcellulose

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The Chemcial hydroxypropyl methylcellulose produced by MST is a non-ionic cellulose mixed ether made from high-refined cotton raw materials after alkalization, using propylene oxide and methyl chloride as etherification agents, through a series of reactions. It can be used as a booster. Thickener, dispersant, emulsifier and film former etc. Its industrial grade products can be used in daily chemicals, synthetic resins, construction and coatings.

The difference between Chemcial hydroxypropyl methylcellulose and MC in roughly the same application field:

1)Chemcial hydroxypropyl methylcellulose is easily soluble in cold water, and it will be difficult to dissolve in hot water. The gelation temperature of Chemcial hydroxypropyl methylcellulose in hot water is significantly higher than that of MC; the dissolution in cold water is also greatly improved compared to MC.

2) The viscosity of Chemcial hydroxypropyl methylcellulose is related to its molecular weight, and the higher the molecular weight, the higher the viscosity. Temperature also affects the viscosity of Chemcial hydroxypropyl methylcellulose. As the temperature increases, the viscosity decreases. But the effect of high temperature on the viscosity of chemcial hydroxypropyl methylcellulose is lower than that of MC. The solution is stable when stored at room temperature.

3) The water retention of Chemcial hydroxypropyl methylcellulose depends on its addition amount, viscosity, etc. The water retention rate under the same addition amount is higher than that of MC.

4) Chemcial hydroxypropyl methylcellulose can be mixed with water-soluble polymer compounds to form a uniform and higher viscosity solution. Such as polyvinyl alcohol, starch ether, vegetable glue, etc., its solubility is better than MC.

5) Chemcial hydroxypropyl methylcellulose has higher adhesion to mortar construction than MC.

6) Chemcial hydroxypropyl methylcellulose has better enzyme resistance than MC, and its enzymatic degradation possibility in solution is lower than that of MC.

Chemcial hydroxypropyl methylcellulose has better performance than MC, so now Chemcial hydroxypropyl methylcellulose is more widely used;