THERMAL-PROPERTIES AND ORIENTATIONAL BEHAVIOR OF A LIQUID-CRYSTALLINE ION COMPLEX POLYMER

被引：208

作者：

UJIIE, S

IIMURA, K

机构：

[1] Department of Chemistry, Faculty of Science, Science University of Tokyo, Tokyo 162, Kagurazaka, Shinjuku-ku

来源：

MACROMOLECULES | 1992年 / 25卷 / 12期

关键词：

D O I：

10.1021/ma00038a024

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The iodide (I/CA) and poly(vinylsulfonate) (PA/CA) of bis(2-hydroxyethyl)ethyl(6-((4-((4-nitrophenyl)azo)phenyl)oxy)hexyl)ammonium were prepared, and their liquid-crystalline behavior was compared. The orientational behavior was characterized by X-ray diffraction and conoscopic observation. I/CA and PA/CA exhibited enantiotropically smectic A phases. The ionic groups play an important role in forming the smectic layer structure and enhance the thermal stability of the smectic state. I/CA and PA/CA exhibit an oriented overgrowth on a glass plate by an orientational adsorption of ammonium ion groups. The homeotropic structures form spontaneously in the smectic phase of I/CA and PA/CA and remain unchanged on cooling in the solid phase.

引用

页码：3174 / 3178

页数：5

共 10 条

[1] INVESTIGATION OF THE STRUCTURES OF THE CRYSTALLINE AND COLUMNAR PHASES OF LINEAR-CHAIN COPPER(II) ALKANOATES [J].