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Open AccessArticle

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

1
Department of Applied Chemistry and Material Sciences, Fooyin University, 151 Jinxue Road, Daliao, Kaohsiung City 83102, Taiwan
2
Center for General Education, Chang Gung University of Science and Technology, 261 Wen-Hwa 1st Road, Kwei-Shan, Tao-Yuan 33303, Taiwan
3
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; https://doi.org/10.3390/polym12010185
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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MDPI and ACS Style

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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