Functional group accessibility in hydrogen-bonded polymer blends. 4. Cross-linking effects

被引：20

作者：

Hu, Y

Gamble, V

Painter, PC

Coleman, MM ^{[1
]}

机构：

[1] Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA

[2] Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA

来源：

MACROMOLECULES | 2002年 / 35卷 / 04期

关键词：

D O I：

10.1021/ma011793s

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Infrared spectroscopy is a fine tool with which to experimentally explore the effect of chain connectivity and functional group accessibility in hydrogen-bonded polymer blends. Such factors directly affect the fraction of intermolecular hydrogen-bonded groups that are formed and effectively reduce the hydrogen-bonding contribution to the free energy of mixing vis-A-vis analogous low-molar-mass analogues. In this study we report the results obtained from blends of copolymers containing vinyl cinnamate (VCIN) with copolymers containing 4-vinylphenol. The VCIN segment undergoes facile photocross-linking upon exposure to UV radiation, permitting the effect of cross-linking on functional group accessibility and phase behavior to be studied.

引用

页码：1289 / 1298

页数：10

共 20 条

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