Hydroxypropyl methyl cellulose (HPMC) is a non-ionic cellulose ether made from high polymer material cellulose through a series of chemical processing. Hydroxypropyl methylcellulose (HPMC) is an odorless, tasteless, white powder that can be dissolved in cold water to form a transparent viscous solution. It has the properties of thickening, adhesion, dispersion, emulsification, film formation, suspension,
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Application of Hydroxypropyl Methyl Cellulose in Building Materials
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- admin
- July 30, 2020
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What is the difference between pure hydroxypropyl methylcellulose and adulterated cellulose
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- admin
- July 28, 2020
1. The pure HPMC aqueous solution of hydroxypropyl methylcellulose is clear, has high light transmittance, and the water retention rate is >95%; the adulterated HPMC aqueous solution is turbid, and the water retention rate is difficult to reach 80%. 2. Pure hydroxypropyl methylcellulose HPMC powder is fibrous under a microscope or magnifying glass; adulterated HPMC
How to distinguish the quality of redispersible latex powder
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- admin
- July 28, 2020
Building additives tell everyone to distinguish the quality of redispersible latex powder; Method 1. Dissolve, take a certain amount of rubber powder and dissolve it in 5 times the mass of water, stir it and let it stand for 5 minutes and observe. In principle, the less the insoluble matter deposited on the bottom layer,
Synthesis and product characteristics of hydroxypropyl methylcellulose
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- admin
- July 27, 2020
Hydroxypropyl methyl cellulose is a non-ionic cellulose mixed ether made from refined cotton after alkalization, using propylene oxide and methyl chloride as etherification agents, through a series of reactions. Hydroxypropyl methylcellulose is a non-ionic cellulose ether, white powder in appearance, odorless and tasteless. The degree of substitution is generally 1.2 to 2.0. Its properties are
Hydroxypropyl methylcellulose gel temperature problem
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- admin
- July 27, 2020
Many users seldom pay attention to the problem of hydroxypropyl methyl cellulose gel temperature. Nowadays, hydroxypropyl methyl cellulose is generally distinguished by viscosity, but for some special environments and special industries, only the viscosity of the product is Not enough, the following briefly introduces the hydroxypropyl methylcellulose gel temperature. The amount of methoxy group is