纤维素醚衍生物

THE GENESIS Pub Date : 2020-09-15 DOI:10.47211/tg.2020.v07i03.009

Dugga aneel kumar

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引用次数: 1

摘要

【摘要】粉末状纤维素在高压和高温条件下，由含有卤化物或环氧化物的伯、仲、叔碳和伯、叔碳的组合醚化得到甲基纤维素、羟乙基纤维素、羟丙基纤维素和羟丙基甲基纤维素(OH基取代为or)，在碱金属氢氧化物的存在下，还制得不同等级的粘度参数。关键词:纤维素，碱纤维素，醚化。

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CELLULOSE DERIVATIVES BY ETHERS

ABSTRACT Powdered cellulose etherified to primary, secondary, tertiary, and combination of primary and tertiary carbons contains halide or an epoxide compound obtains Methylcellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, and hydroxypropyl methylcellulose (OH group replaced to OR) in presence of an alkali metal hydroxide in high pressure and thermal conditions, also produced to different grades where you played a viscosity parameter. Key Words: cellulose, alkali cellulose, etherfication.

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