GRAFT COPOLYMERIZATION OF ACRYLONITRILE ONTO CASSAVA STARCH INITIATED BY KMnO4 AND HYDROLYSIS OF GRAFT COPOLYMER

Chinese Journal of Applied Chemistry ›› 1989, Vol. 0 ›› Issue (1): 9-12.

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GRAFT COPOLYMERIZATION OF ACRYLONITRILE ONTO CASSAVA STARCH INITIATED BY KMnO₄ AND HYDROLYSIS OF GRAFT COPOLYMER

Tang Kangtai, Wang Zhen, Kuang Jiangzhen, Liu Aiming, Xu Xiyuan, Zhang Zhenya

Guangzhou Institute of Chemistry, Academia Sinica

Received:1987-11-11 Revised:1988-04-08 Published:1989-02-10 Online:1989-02-10

Abstract

Abstract: Graft copolymerization of AN onto cassava starch gelatinized by alkali at room tempe-rature has been studied using KMnO₄ as initiator in acid solution. Resu t showed highmonomer convertion to polymer (80%), very high graft efficiency (95%), and high mole-cular weight of graft polymer (3?10⁵). The hyorolyzate of graft copolymer can absorb upto over 2000 times of water (g/g).

Key words: Starch, Acrylonitrile, Potassium permanganate, Graft copolymerization, Water absorption

Tang Kangtai, Wang Zhen, Kuang Jiangzhen, Liu Aiming, Xu Xiyuan, Zhang Zhenya. GRAFT COPOLYMERIZATION OF ACRYLONITRILE ONTO CASSAVA STARCH INITIATED BY KMnO₄ AND HYDROLYSIS OF GRAFT COPOLYMER[J]. Chinese Journal of Applied Chemistry, 1989, 0(1): 9-12.

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GRAFT COPOLYMERIZATION OF ACRYLONITRILE ONTO CASSAVA STARCH INITIATED BY KMnO₄ AND HYDROLYSIS OF GRAFT COPOLYMER

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