Synthesis and Thermal Properties of Novel Polymer Liquid Crystals having a Laterally-attached Liquid Crystalline Core at the Side Chain
作者:
S. Takenaka,
K. Yamasaki,
期刊:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
(Taylor Available online 1995)
卷期:
Volume 258,
issue 1
页码: 51-60
ISSN:1058-725X
年代: 1995
DOI:10.1080/10587259508034547
出版商: Taylor & Francis Group
关键词: Polymer liquid crystals;Synthesis;Thermal properties;Glassy transformation
数据来源: Taylor
摘要:
Synthesis and thermal properties of ω-[2-(4-X-phenoxycarbonyl)phenoxycarbonyl)-5-alkoxyphenoxy]alkyl and ω-[2-(4-X-phenoxycarbonyl)-5-alkoxyphenoxyalkyl poly-acrylates (X=n-alkoxyl or cyano group) have been reported. The homologs show a nematic phase,and a smectic phase as well as the nematic one is also formed when both terminal alkoxy chains of the core moiety are suitably long. On the cooling process, all the derivatives form a glassy phase corresponding to the prestates. The results will be discussed in terms of the molecular structure.
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