Structure Characterization of Poly(vinyl chloride)-g-butyl Acrylate Copolymer

Abstract

Abstract: Poly(vinyl chloride)-g-butyl acrylate(PVC-g-BA) copolymers were synthesized by suspension-swelling graft copolymerization by using commercial and dehydrochlorinated PVC. The structure of dehydrochlorinated PVC and PVC-g-BA copolymers were characterized. PVC was slightly dehydrochlorinated and conjugated double bonds were formed as PVC was heated in alkali solution, and the molecular weight of PVC was slightly decreased. By using dehydrochlorinated PVC in the graft copolymerization, the grafting degree and grafting efficiency of BA were increased. The intrinsic viscosity, weight average molecular weight and index of molecular weight distribution of PVC-g-BA copolymer increased with increasing grafting degree.

Key words: Poly(vinyl chloride), Butyl acrylate, Graft copolymerization, Grafting efficiency, Molecular weight and its distribution

CLC Number:

O631

TrendMD:

BAO Yong-Zhong, WU Jian-Zhong, WENG Zhi-Xue, HUANG Zhi-Ming, PAN Zu-Ren . Structure Characterization of Poly(vinyl chloride)-g-butyl Acrylate Copolymer[J]. Chem. J. Chinese Universities, 2002, 23(10): 1988.

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Structure Characterization of Poly(vinyl chloride)-g-butyl Acrylate Copolymer

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