SIDE-CHAIN LIQUID-CRYSTALLINE POLYMERS WITH POLYSTYRENE BACKBONE

被引：9
|
作者：
NIEMELA, S
SELKALA, R
SUNDHOLM, F
TAIVAINEN, J
机构：
[1] Department of Polymer Chemistry, University of Helsinki, SF-00170, Helsinki
来源：
JOURNAL OF MACROMOLECULAR SCIENCE-PURE AND APPLIED CHEMISTRY | 1992年 / 29卷 / 11期
关键词：
D O I：
10.1080/10601329208054142
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A series of liquid-crystalline polystyrene derivatives with pendant mesogenic groups has been prepared and characterized. The side-chain is connected to the polystyrene backbone by a methyleneoxyhexyloxy spacer. The mesogenic group is a 4-alkoxy substituted biphenyl group. The length of the alkoxy end-group varied from a methoxy group to an octyloxy group. The polymers were synthesized by a radical reaction. Molar masses (<M(n)>) varied between 17,000 and 46,000, with a molar mass distribution between 1.6 and 2.0. All the polymers were liquid-crystalline, with enantiotropic smectic phases. The polymers were characterized with polarizing microscopy, NMR spectroscopy, and calorimetry.
引用
收藏
页码：1071 / 1084
页数：14
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