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The difference between hydroxypropyl methylcellulose HPMC and methylcellulose MC
HPMC is hydroxypropyl methylcellulose. It is a kind of non-ionic cellulose mixed ether, which is made from alkalized refined cotton, using propylene oxide and methyl chloride as etherification agents, and is obtained through a series of reactions. The degree of substitution is usually 1.2-2.0. The ratio of methoxyl content and hydroxypropyl content varies.
2024/04/18
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