SYNTHESIS AND PHYSICAL-PROPERTIES OF LIQUID-CRYSTALLINE POLYESTERS DERIVED FROM 4,4'-DIHYDROXYBICYCLOHEXYL

被引:15
|
作者
COASSOLO, A
FOA, M
DAINELLI, D
SCORDAMAGLIA, R
BARINO, L
CHAPOY, LL
RUSTICHELLI, F
YANG, B
TORQUATI, G
机构
[1] HIMONT NOVARA,VIA CADUTI LAVORO,I-28100 NOVARA,ITALY
[2] UNIV ANCONA,I-60100 ANCONA,ITALY
关键词
D O I
10.1021/ma00008a001
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Liquid-crystalline polyesters have been prepared from the mesogenic unit 4,4'-dihydroxybicyclohexyl and linear aliphatic diacids, which served as a flexible spacer. The polymers were characterized by optical microscopy, thermal analysis, X-ray diffractometry, and conformational analysis. The polymers have been assigned as passing through the following thermotropic transition sequences: crystal-smectic G-isotropic. This behavior is compared with that of the corresponding polymers prepared from 4,4'-dihydroxybiphenyl.
引用
收藏
页码:1701 / 1709
页数:9
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