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Open AccessArticle

Synthesis and Thermal Characteristic of Liquid Crystalline Polyoxetane Containing Trans-Stilbene Side Group

Department of Applied Chemistry and Material Sciences, Fooyin University, 151 Jinxue Road, Daliao, Kaohsiung City 83102, Taiwan
Center for General Education, Chang Gung University of Science and Technology, 261 Wen-Hwa 1st Road, Kwei-Shan, Tao-Yuan 33303, Taiwan
Research Center for Food and Cosmetic Safety and Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Kweishan, Tao-Yuan 33303, Taiwan
Author to whom correspondence should be addressed.
Polymers 2020, 12(1), 185;
Received: 21 December 2019 / Revised: 6 January 2020 / Accepted: 6 January 2020 / Published: 10 January 2020
A series of fourteen liquid crystalline monomers and polyoxetanes containing trans-biphenyl side group have been successfully synthesized. The thermal and mesomorphic properties of monomers (1M~14M) and polymers (1P~14P) are measured using DSC, POM, and X-ray. All of the series monomers present enantiotropic smectic H and smectic G phase and the series polymers show enantiotropic smectic A phase which three polymers contained exhibit smectic E. Polyoxetanes have been used as a cationic ring-opening polymerization of oxetane monomers bearing a pendant trans-stilbene mesogenic unit including different spacer length and terminal alkyl length. View Full-Text
Keywords: polyoxetane; liquid crystal; stilbene polyoxetane; liquid crystal; stilbene
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Wu, L.-C.; Chen, C.-C.; Lin, C.-H. Synthesis and Thermal Characteristic of Liquid Crystalline Polyoxetane Containing Trans-Stilbene Side Group. Polymers 2020, 12, 185.

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