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.
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页码：1105 / 1110
页数：6
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