Synthesis and characterization of side‐chain liquid crystalline polysiloxanes containing oligooxyethylene spacers and benzyl ether based mesogenic groups

Chang‐Jyh ‐J Hsieh, Chain-Shu Hsu, Ging‐Ho ‐H Hsiue*, Virgil Percec

*此作品的通信作者

研究成果: Article同行評審

26 引文 斯高帕斯(Scopus)

摘要

The synthesis of side‐chain liquid crystalline polysiloxanes containing oligooxyethylene spacers and 4‐methoxyphenyl benzyl ether and 6‐cyano‐2‐naphthyl benzyl ether based mesogenic groups is presented. The phase behavior of both monomeric and polymeric liquid crystals was characterized by differential scanning calorimetry and optical polarized microscopy. All synthesized polysiloxanes present smectic mesomorphism. The insertion of oxygen atoms into the flexible aliphatic spacers leads to decrease in both glass transition and isotropization temperatures of the resulting side‐chain liquid crystalline polymers.

原文English
頁(從 - 到)425-435
頁數11
期刊Journal of Polymer Science Part A: Polymer Chemistry
28
發行號2
DOIs
出版狀態Published - 30 1月 1990

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