SYNTHESIS AND CHARACTERIZATION OF SIDE-CHAIN LIQUID-CRYSTALLINE POLYSILOXANES CONTAINING OLIGOOXYETHYLENE SPACERS AND BENZYL ETHER BASED MESOGENIC GROUPS

被引：30

作者：

HSIEH, CJ

HSU, CS

HSIUE, GH

PERCEC, V

机构：

[1] NATL TSING HUA UNIV, DEPT CHEM ENGN, HSINCHU 300, TAIWAN

[2] CASE WESTERN RESERVE UNIV, DEPT MACROMOLEC SCI, CLEVELAND, OH 44106 USA

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 1990年 / 28卷 / 02期

关键词：

D O I：

10.1002/pola.1990.080280216

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 synthesis of side‐chain liquid crystalline polysiloxanes containing oligooxyethylene spacers and 4‐methoxyphenyl benzyl ether and 6‐cyano‐2‐naphthyl benzyl ether based mesogenic groups is presented. The phase behavior of both monomeric and polymeric liquid crystals was characterized by differential scanning calorimetry and optical polarized microscopy. All synthesized polysiloxanes present smectic mesomorphism. The insertion of oxygen atoms into the flexible aliphatic spacers leads to decrease in both glass transition and isotropization temperatures of the resulting side‐chain liquid crystalline polymers. Copyright © 1990 John Wiley & Sons, Inc.

引用

页码：425 / 435

页数：11

共 17 条

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