PREPARATION OF ORDERED, CROSS-LINKED AND THERMALLY STABLE LIQUID-CRYSTALLINE POLY(VINYL ETHER) FILMS

被引：30

作者：

ANDERSSON, H ^{[1
]}

GEDDE, UW ^{[1
]}

HULT, A ^{[1
]}

机构：

[1] ROYAL INST TECHNOL,DEPT POLYMER TECHNOL,S-10044 STOCKHOLM 70,SWEDEN

来源：

POLYMER | 1992年 / 33卷 / 19期

关键词：

ORIENTATION; THERMAL STABILIZATION; LIQUID CRYSTALLINE POLYMERS; VINYL ETHER; CROSS-LINKING;

D O I：

10.1016/0032-3861(92)90598-Q

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Highly ordered liquid crystalline polymer films have been prepared by cationic polymerization of a mesogenic vinyl ether monomer, oriented in its mesophase. The degree of orientation of the mesogenic groups was calculated from wide-angle X-ray scattering measurements. The maximum value of the Herman orientation function was found to be 0.94. Thermally stabilized ordered films were prepared by polymerization of an oriented monomer mixture, consisting of a mesogenic monofunctional monomer and a mesogenic bifunctional monomer. The films maintained orientation up to temperatures of 200-degrees-C.

引用

页码：4014 / 4018

页数：5

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