A grafting study on partially dehydrochlorinated poly(vinyl chloride) by atom transfer radical polymerization

被引：10

作者：

Coskun, Mehmet ^{[1
]}

Barim, Ganize ^{[1
]}

Demirelli, Kadir ^{[1
]}

机构：

[1] Firat Univ, Fac Sci & Arts, Dept Chem, TR-23119 Elazig, Turkey

来源：

JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY | 2007年 / 44卷 / 4-6期

关键词：

PVC; graft copolymer; atom transfer radical polymerization; thermal properties;

D O I：

10.1080/10601320701229068

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

HCl elimination in low ratio was first carried out from poly(vinyl chloride) to increase allylic chlorines. Partially dehydrochlorinated poly(vinyl chloride), having a macroinitiator effect, was grafted with tert-butyl methacrylate via atom transfer radical polymerization in the presence of CuBr/2',2'-bipyridine at 64 degrees C in tetrahydrofuran. Original poly(vinyl chloride) was also grafted with tert-butyl methacrylate under the same conditions to compare with that of partially dehydrochlorinated poly(vinyl chloride). The graft copolymers were characterized by elemental analysis, FTIR, H-1 and C-13-NMR, differential scanning calorimetry, and gel permeation chromatography (GPC). Thermal stabilities of the graft copolymers were investigated by thermogravimetric analysis as compared with those of the macroinitiators.

引用

页码：475 / 481

页数：7

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