GRAFTING ONTO WOOL .6. EFFECT OF AMINES IN CERIC ION-INITIATED GRAFTING OF POLYVINYL ACETATE)

被引:28
作者
MISRA, BN
KAUR, I
DOGRA, R
机构
[1] Department of Chemistry, Himachal Pradesh University, Simla
关键词
D O I
10.1002/app.1979.070240702
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Poly(vinyl acetate) has been graft copolymerized onto Himachali wool in the presence of ceric ammonium nitrate alone and in presence of amines in aqueous medium under a wide variety of reaction conditions. Nitric acid was found to catalyze the graft copolymerization. Maximum grafting under optimum conditions has been determined. Several grafting experiments were carried out in presence of triethylamine and triethanolamine. Both amines were found to reduce the extent of grafting. The decrease in the percent grafting in presence of amines has been explained in terms of a chain‐transfer mechanism. Copyright © 1979 John Wiley & Sons, Inc.
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页码:1595 / 1602
页数:8
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