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Preparation, Characterization and Thermal Property of Novel Dendritic Liquid Crystal Macromolecule

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Abstract:

A monomer 4,4'-bis(β-hydroxyethyl)biphenyl (2BP) was synthesized by the Williamson reaction from 2-chloroethanol and 4,4'-biphenol. Then, the novel dendritic liquid crystal macromolecule (DLCM) containing biphenyl structure was synthesized with 2BP and 1,3,5-benzenetrimethylacylchloride as monomers by dispersion method. The structures of 2BP and the DLCM were characterized by FT-IR and 1H-NMR. The thermal stabilities of he DLCM were measured by TGA and DSC. The results showed that the DLCM had good thermal stability and the DLCM may have a higher phase inversion temperature.

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Periodical:

Key Engineering Materials (Volume 538)

Pages:

117-120

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.538.117

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Online since:

January 2013

Authors:

Qing Wang, Hao Zhao, Cai Hong Chen, Ji Cheng Xu, Dong Ya Yang, Feng Xian Qiu

Keywords:

Biphenyl, Dendrimer Macromolecule, Liquid Crystal, Thermal Property

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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