SYNTHESIS OF POLY[ETHYLENE-CO-(VINYL ACETATE)-G-(2-ALKYL-2-OXAZOLINE)]S

被引：5

作者：

KOBAYASHI, S ^{[1
]}

SHIMANO, Y ^{[1
]}

SAEGUSA, T ^{[1
]}

机构：

[1] KYOTO UNIV,FAC ENGN,DEPT SYNTHET CHEM,KYOTO 606,JAPAN

来源：

POLYMER JOURNAL | 1991年 / 23卷 / 11期

关键词：

POLY(2-OXAZOLINE) GRAFT COPOLYMER; POLY[ETHYL-CO-VINYL ACETATE); VINYL ALCOHOL UNIT; TOSYLATION; BROMOACETYLATION;

D O I：

10.1295/polymj.23.1307

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

For preparation of a graft copolymer having a polyethylene main chain and poly(N-acylethylenimine) graft chain, poly[ethylene-co-(vinylacetate)-g-(2-alkyl-2-oxazoline)]s (4) were prepared. First, poly[ethylene-co-(vinyl acetate)] (1) was saponified to give polymer (2) having a hydroxy group. Secondly, 2 was tosylated or bromoacetylated giving rise to polymer (3a) or (3b). Then, polymer 3 was employed to initiate the cationic ring-opening polymerization of 2-methyl-2-oxazoline or 2-ethyl-2-oxazoline to produce a graft copolymer which was isolated by reprecipitation. During the graft copolymerization, a homopolymer of 2-oxazoline was produced probably due to chain-transfer, the highest graft-efficiency being 50%.

引用

页码：1307 / 1315

页数：9

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