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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Bibliographic Details
Main Authors SHIAKU TOSHIO, YOKOTA TOSHIAKI
Format Patent
LanguageEnglish
Published 17.12.2009
Subjects
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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Summary: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
Bibliography:Application Number: JP20060259924