SYNTHESIS AND CHARACTERIZATION OF A SIDE CHAIN LIQUID CRYSTALLINE POLYMER

Wu Changcheng; Gu Qincui; CHEN Shouxi; HUANG Yong

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SYNTHESIS AND CHARACTERIZATION OF A SIDE CHAIN LIQUID CRYSTALLINE POLYMER

Research Article | 更新时间：2021-03-19

- SYNTHESIS AND CHARACTERIZATION OF A SIDE CHAIN LIQUID CRYSTALLINE POLYMER
- Acta Polymerica Sinica Issue 4, Pages: 518-522(2004)
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- Published：20 August 2004，
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Wu Changcheng, Gu Qincui, CHEN Shouxi, HUANG Yong. SYNTHESIS AND CHARACTERIZATION OF A SIDE CHAIN LIQUID CRYSTALLINE POLYMER. [J]. Acta Polymerica Sinica (4):518-522(2004)
DOI：

Wu Changcheng, Gu Qincui, CHEN Shouxi, HUANG Yong. SYNTHESIS AND CHARACTERIZATION OF A SIDE CHAIN LIQUID CRYSTALLINE POLYMER. [J]. Acta Polymerica Sinica (4):518-522(2004) DOI：

摘要

合成了一种主链为甲基丙烯酸酯

侧链是三个苯环以酯键相连的介晶基元

柔性间隔段为两个亚甲基的新的侧链液晶高分子 .聚合物和单体的化学结构、液晶相转变和液晶态织构采用红外光谱、核磁共振、偏光显微镜、差热分析和广角X光衍射进行了表征 .研究表明

单体呈现近晶相和向列相两个液晶相

聚合物在很宽的温度范围内呈向列相 .该单体和聚合物在一定条件下可形成固化诱导条带织构.

Abstract

A new side chain liquid crystalline polymer based on the backbone of polymethacrylate containing triphenyl which was connected with ester bond as side chain mesogenic moiety

and its flexible spacer was two methylenes was prepared．FT-IR

1H-NMR

POM with hot stage

DSC and WAXD were used to study the structure

phase behavior and mesophase texture of this polymer and monomer．The monomer shows nematic and semectic phases and the polymer is nematic over a wide temperature range. The solidification-induced band texture can be observted in nematic phase of the side chain liquid crystalline polymer．

关键词

侧链液晶高分子向列相固化诱导条带

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