HYDROGEN-BONDING IN POLYMER BLENDS .5. BLENDS INVOLVING POLYMERS CONTAINING METHACRYLIC-ACID AND OXAZOLINE GROUPS

被引：87

作者：

LICHKUS, AM ^{[1
]}

PAINTER, PC ^{[1
]}

COLEMAN, MM ^{[1
]}

机构：

[1] PENN STATE UNIV,DEPT MAT SCI & ENGN,UNIVERSITY PK,PA 16802

来源：

MACROMOLECULES | 1988年 / 21卷 / 08期

关键词：

Plastics--Physical Chemistry;

D O I：

10.1021/ma00186a054

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The results of a Fourier transform infrared study of poly(ethylene-co-methacrylic acid) (EMAA) copolymer blends with polyethyloxazoline (PEOX) are presented. EMAA copolymers are strongly self-associated at ambient temperatures through the formation of intermolecular carboxylic acid dimers. PEOX, a polymer that is inherently weakly self-associated, forms a strong association with EMAA by forming intermolecular hydrogen bonds between the carboxylic acid and oxazoline groups. These polymer blends are highly mixed at the molecular level and quantitative measurements of both the fraction of methacrylic acid and oxazoline groups that are and are not hydrogen bonded have been obtained. The results are discussed in terms of competing equilibria.

引用

页码：2636 / 2641

页数：6

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