SYNTHESIS AND LIQUID CRYSTALLINITY OF THERMOTROPIC POLYCARBONATE-POLYSTYRENE GRAFT-COPOLYMERS

被引：9

作者：

KOBAYASHI, T ^{[1
]}

SATO, M ^{[1
]}

TAKENO, N ^{[1
]}

MUKAIDA, K ^{[1
]}

机构：

[1] MURORAN INST TECHNOL,FAC ENGN,DEPT MAT SCI & ENGN,27-1 MIZUMOTO CHO,MURORAN,HOKKAIDO 050,JAPAN

来源：

EUROPEAN POLYMER JOURNAL | 1992年 / 28卷 / 09期

关键词：

D O I：

10.1016/0014-3057(92)90062-7

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Thermotropic liquid crystalline polycarbonate-graft-polystyrene copolymers were synthesized by the macromonomer method using melt polycondensation of a mixture of 6,6'-(4,4'-biphenylylenedioxy)dihexanol and styrene macromonomer with hexylene diphenyl dicarbonate taken in a definite molar ratio. The graft copolymers were characterized by FT-i.r spectra and elemental analysis. Their liquid crystallinites were investigated by differential scanning calorimetry and polarizing microscopy using a hot stage. Some of the products, except for polymers rich in styrene macromonomer, showed liquid crystallinites arising from the parent homopolycarbonate and had microphase-separated structures.

引用

页码：1105 / 1110

页数：6

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