HYDROGEN-BONDING IN POLYBENZIMIDAZOLE POLY(ETHER IMIDE) BLENDS - A SPECTROSCOPIC STUDY

被引：92

作者：

MUSTO, P ^{[1
]}

KARASZ, FE ^{[1
]}

MACKNIGHT, WJ ^{[1
]}

机构：

[1] UNIV MASSACHUSETTS,DEPT POLYMER SCI & ENGN,AMHERST,MA 01003

来源：

MACROMOLECULES | 1991年 / 24卷 / 17期

关键词：

D O I：

10.1021/ma00017a006

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A systematic investigation by FTIR spectroscopy of the blend system consisting of the polybenzimidazole poly[2,2'-(m-phenylene)-5,5'-bibenzimidazole] (PBI) and the poly(ethe imide) poly[2,2-bis[4-(3,4-dicarboxyphenoxy)phenyl]propane-m-phenylenediimine] (Ultem 1000) has been undertaken. Direct evidence of hydrogen bonding involving the N-H groups of PBI and the imide carbonyls of Ultem 1000 is presented. Qualitative as well as quantitative information concerning this molecular interaction has been obtained and is discussed. Finally an FTIR-temperature study of this quasi-miscible system is reported: by monitoring the frequency of the asymmetric stretching vibration of the imide carbonyls as a function of temperature, information has been derived on the phase separation process for various blend compositions.

引用

页码：4762 / 4769

页数：8

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