Studies on Suspension Copolymerization Rate of Vinyl Chloride and N-Phenyl Maleimide

Abstract

Abstract: The effects of monomer ratio, temperature and initiator concentration on the copolymerization rate of vinyl chloride(VC)/N-phenyl maleimide(PMI) were studied. The cross termination Φ and the reciprocal of the comprehensive rate δ2 were measured to be 5.77 and 53.65, respectively. The results showed that the copolymer composition of VC/PMI will largely change with the conversion. The activation energy of VC/PMI copolymerization and the propagation reaction are 127.9 kJ/mol and 63.7 kJ/mol, respectively. The order of initiator is 0.786. The reaction rates between VC/PMI and VC/N-cyclohexyl maleimide (CHMI) are compared, and the later is more rapid than the former.

Key words: Vinyl chloride, N-phenyl maleimide, Suspension copolymerization

CLC Number:

O631

TrendMD:

DU Miao, WENG Zhi-Xue, SHAN Guo-Rong, HUANG Zhi-Ming, PAN Zu-Ren . Studies on Suspension Copolymerization Rate of Vinyl Chloride and N-Phenyl Maleimide[J]. Chem. J. Chinese Universities, 1999, 20(2): 304.

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Studies on Suspension Copolymerization Rate of Vinyl Chloride and N-Phenyl Maleimide

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