MULTIAXIALLY ORIENTED POLYMER FILMS AND METHOD OF PREPARATION

MULTIAXIALLY ORIENTED THERMOTROPIC POLYMER FILMS AND METHOD OF PREPARATION This invention relates in general to the formation of multiaxially (e.g., biaxially) oriented films from high molecular weight liquid cyrstalline thermotropic polymers (homopolymers, copolymers, and the like), wherein due to...

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Hauptverfasser:	HARVEY, ANDREW C, LUSIGNEA, RICHARD W, RACICH, JAMES L
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Zusammenfassung:	MULTIAXIALLY ORIENTED THERMOTROPIC POLYMER FILMS AND METHOD OF PREPARATION This invention relates in general to the formation of multiaxially (e.g., biaxially) oriented films from high molecular weight liquid cyrstalline thermotropic polymers (homopolymers, copolymers, and the like), wherein due to the processing conditions employed, the films have a controlled molecular orientation. The novel multiaxially oriented films of the present invention are preferably prepared from two commercially available thermotropic polymers, Datrco's Xydar* and Celanese's VQctra. Trade-mark