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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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