Liquid crystalline polyester compositions andmethods

Hydroquinone-3,4'-biphenyl dicarboxylate polyesters, and methods of making them, are described. The polyesters may be melt processed at a temperature below the thermal decomposition temperature and the isotropic temperature, and may form a liquid crystalline glass phase. The polyesters may be f...

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Bibliographische Detailangaben
Hauptverfasser:	YANG, YONG, LONG, TIMOTHY E, HEIFFERON, KATHERINE V, TURNER, S. RICHARD, TALLURY, SYAMAL, GUZMAN, JAVIER, CHEN, TING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Hydroquinone-3,4'-biphenyl dicarboxylate polyesters, and methods of making them, are described. The polyesters may be melt processed at a temperature below the thermal decomposition temperature and the isotropic temperature, and may form a liquid crystalline glass phase. The polyesters may be formed by polycondensation of hydroquinone or a hydroquinone derivative with 3,4'-biphenyl dicarboxylic acid.