| Type: | Water-Soluble |
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| Transport Package: | Bag |
| Specification: | 25kg bag |
| Trademark: | XWT |
| Origin: | China |
| Samples: |
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| Customization: |
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Audited Supplier Hydroxypropyl methylcellulose is a kind of non-ionic cellulose mixed ether. It is produced by a series of reactions after refined cotton is treated with propylene oxide and methyl chloride as etherifying agents. It belongs to a kind of non-ionic cellulose ether with white powder appearance, odorless and tasteless.
The characteristics of hydroxypropyl methyl cellulose are:
1.Easily soluble in cold water, hot water will encounter difficulties. However, its gelation temperature in hot water is significantly higher than that of methyl cellulose. It dissolves in cold water, which is much better than methyl cellulose.
2.The viscosity of hydroxypropyl methyl cellulose varies with its molecular weight, high molecular weight and high viscosity. The same temperature will affect the viscosity, temperature, viscosity drop. However, the effect of high-temperature viscosity is lower than that of methyl cellulose. The solution is stable at room temperature.
3.The water retention capacity of hydroxypropyl methyl cellulose depends on the added amount, viscosity, etc. The same water retention capacity is higher than that of methyl cellulose.
4.Hydroxypropyl methyl cellulose can be mixed with water-soluble polymer compounds to form a uniform, high-viscosity solution. Such as polyvinyl alcohol, starch ether, vegetable gum, etc.
5.Hydroxypropyl methylcellulose has better resistance to enzymes than methylcellulose, and the possibility of enzymatic degradation of its solution is lower than that of methylcellulose.
6.The construction of hydroxypropyl methylcellulose bonding mortar is higher than that of methylcellulose.
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