GRAFT COPOLYMERIZATION OF MMA ONTO BAGASSE PITH

Chinese Journal of Applied Chemistry ›› 1991, Vol. 0 ›› Issue (6): 61-64.

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GRAFT COPOLYMERIZATION OF MMA ONTO BAGASSE PITH

Zhao Bian' an, Zheng Guozhen, He Shujie, Gao Jie

Guangzhou Institute of Chemistry, Academia Sinica, Guangzhou 510650

Received:1990-09-21 Revised:1991-01-28 Published:1991-12-10 Online:1991-12-10

Abstract

Abstract: Graft copolymerization of MMA onto bagasse pith initiated by KMnO₄ has been studied.The effects of concentration of KMnO₄, reaction temperature and time on grafting havebeen examined. Lignin in bagasse pith gave a bigh graft degree, but it simitaneously showeda certain inhibiting effect on graftin due to the quinoid form of its phenolic groups byoxidation. The α-OH groups in lignin molecule accelerate the graft polymerization.

Key words: bagasse pith, lignin, methyl methacrylate, potassium permaganate, graft copolymerization

Zhao Bian' an, Zheng Guozhen, He Shujie, Gao Jie. GRAFT COPOLYMERIZATION OF MMA ONTO BAGASSE PITH[J]. Chinese Journal of Applied Chemistry, 1991, 0(6): 61-64.

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GRAFT COPOLYMERIZATION OF MMA ONTO BAGASSE PITH

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