发明授权
US3705890A Cellulose carbonates and methods for their preparation 失效
纤维素碳酸盐及其制备方法

Cellulose carbonates and methods for their preparation
摘要:
CELLULOSE CARBONATE IS PREPARED BY REACTING CELLULOSE OR A 6-SUBSTITUTED CELLULOSE, E.G. METHYL CELLULOSE, HYDROXYETHYL CELLULOSE, CARBOMETHYL CELLULOSE AND DIETHYLAMINOETHYL WITH AN ALKYL OR ARYL CHLOROFORMATE.
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