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羟丙基甲基纤维素HPMC与甲基纤维素MC的区别

HPMC即羟丙基甲基纤维素,是一种非离子型纤维素混合醚,以碱化精制棉为原料,以环氧丙烷和氯甲烷为醚化剂,经过一系列反应而制得,取代度通常为1.2-2.0,其甲氧基含量与羟丙基含量的比值不一。

2024/04/18
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