CASTING SOLUTIONS FROM CELLULOSE DERIVATIVES FOR REVERSE OSMOSIS MEMBRANE

Chinese Journal of Applied Chemistry ›› 1993, Vol. 0 ›› Issue (1): 58-61.

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CASTING SOLUTIONS FROM CELLULOSE DERIVATIVES FOR REVERSE OSMOSIS MEMBRANE

Yang Kexuan, He Wenjie, Mao Runsheng, Wu Fenglian, Huang Jicai, Qi Qinghui

Guangzhou Institute of Chemistry, Academia Sinica, 510650 Guangzhou

Received:1992-03-14 Revised:1992-08-04 Published:1993-02-10 Online:1993-02-10

Abstract

Abstract: Casting Solutions from cellulose acetate, cyanoethyl acetyl cellulose, hydroxypropyl acetyl cellulose and titanium cellulose acetate have been studied with IR and viscosity methods. McAllister equation and Huggins equation are used to describe the viscosity behavior of acetone-additive solutions and cellulose derivative-acetone-additive solutions, respectively. Phosphoric acid, formamide, npropanol and glycerine were used as additives. It is found that additives used showed a certain effect on the interaction among macromolecules of cellulose derivatives and on their morphological structures.

Key words: cellulose derivative, casting solution, additive

Yang Kexuan, He Wenjie, Mao Runsheng, Wu Fenglian, Huang Jicai, Qi Qinghui. CASTING SOLUTIONS FROM CELLULOSE DERIVATIVES FOR REVERSE OSMOSIS MEMBRANE[J]. Chinese Journal of Applied Chemistry, 1993, 0(1): 58-61.

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CASTING SOLUTIONS FROM CELLULOSE DERIVATIVES FOR REVERSE OSMOSIS MEMBRANE

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