FULLY AROMATIC POLYESTER

PROBLEM TO BE SOLVED: To provide a fully aromatic polyester which includes low volume expansion coefficient, excellently high dimensional stability and excellent heat resistance, and is thus particularly suitably used for multilayer films, multilayer sheets, multilayer blow molded articles and the l...

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Bibliographische Detailangaben
Hauptverfasser:	SHIAKU TOSHIO, YOKOTA TOSHIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMISTRY COMPOSITIONS BASED THEREON ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PRINTED CIRCUITS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a fully aromatic polyester which includes low volume expansion coefficient, excellently high dimensional stability and excellent heat resistance, and is thus particularly suitably used for multilayer films, multilayer sheets, multilayer blow molded articles and the like. SOLUTION: The fully aromatic polyester contains constitutional units derived from 6-hydroxy-2-naphthoic acid, 4'-hydroxy-4-biphenylcarboxylic acid and 4-hydroxybenzoic acid at a specific ratio. This fully aromatic polyester exhibits optical anisotropy when melted. COPYRIGHT: (C)2010,JPO&INPIT