HEAT RESISTANT POLYPROPYLENE FILM

A heat resistant film that comprises at least one layer that comprises a high crystallinity propylene polymer having a melt flow rate of from 0.5 g/10 min. to 15 g/10 min. and a xylene solubles of less than 3.5%. The propylene polymer may have a melting point above 158°C. The heat resistant film may...

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Bibliographische Detailangaben
Hauptverfasser:	MIER RODOLFO, MILLER MARK B
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS 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 PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS 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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Beschreibung
Zusammenfassung:	A heat resistant film that comprises at least one layer that comprises a high crystallinity propylene polymer having a melt flow rate of from 0.5 g/10 min. to 15 g/10 min. and a xylene solubles of less than 3.5%. The propylene polymer may have a melting point above 158°C. The heat resistant film may further comprise at least a second layer, which may be a heterophasic random copolymer. The heat resistant film may be, for example, a blown film, a cast film, or an oriented film, and may be used in such articles of manufacture as construction films, retort packaging, and laminated articles.