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Synthesis and characterization of new aromatic liquid crystalline polyesters having phenyl substituents
Author(s) -
Choi TaeGyu,
Chung SungJae,
Huh SeungMoo,
Yun YongKuk,
Jin JungIl
Publication year - 1995
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.19950980125
Subject(s) - polyester , hydroquinone , polymer chemistry , crystallization , polymerization , liquid crystalline , materials science , characterization (materials science) , glass transition , liquid crystal , condensation polymer , crystallography , polymer , chemistry , organic chemistry , nanotechnology , optoelectronics
Two different series of new aromatic liquid crystalline (LC) polyesters were prepared from 3‐phenyl‐4, 4'‐biphenyldicarboxylic acid (PBDA) and 1‐phenyl‐2, 6‐naphthalenedicarboxylic acid (PNDA). PBDA and PNDA were polymerized with various aromatic diols such as hydroquinone, substituted hydroquinones, isomeric naphthalenediols and 4, 4'‐biphenol, and the resulting polyesters were characterized by DSC, WAXD, and on a cross‐polarizing microscope for the study of their thermal transition and crystallization properties, and mesophases formed therefrom.

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