Biaxially oriented epoxidised fatty acid derivatives containing hydrolysis resistant polyester film and a chain extender and method for production of same and use of same

Biaxially oriented polyester film comprises 0.25-20 wt.% (based on the weight of the film) of a hydrolysis stabilizer based on epoxidized fatty acid esters and/or epoxidized fatty acid glyceride, and chain extender. An independent claim is included for preparing the polyester film, comprising extrud...

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Bibliographische Detailangaben
Hauptverfasser:	BURSCH, ANNEGRETE, KUHMANN, BODO, KLIESCH, HOLGER, KLEIN, DAGMAR, FISCHER, INGO, HACKL, THOMAS
Format:	Patent
Sprache:	eng ; fre ; ger
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 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 USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	Biaxially oriented polyester film comprises 0.25-20 wt.% (based on the weight of the film) of a hydrolysis stabilizer based on epoxidized fatty acid esters and/or epoxidized fatty acid glyceride, and chain extender. An independent claim is included for preparing the polyester film, comprising extruding the composition of the film corresponding melts by a flat nozzle, quenching the resultant film for solidifying on one or more rolls (cooling roll) as large amorphous prefilm, and reheating, biaxially stretching (orienting), thermofixing and rolling the film. Die Erfindung betrifft biaxial orientierte Polyesterfolien, welche 0,25 - 20 Gew.-% (bezogen auf das Gewicht der Folie) eines Hydrolysestabilisators auf Basis von epoxidierten Fettsäureestern und/oder epoxidierten Fettsäureglyceriden enthalten sowie einen Kettenverlängerer. Solche Folien finden Verwendung in Außenanwendungen, als Flachbandkabel, als Rückseitenlaminat von Solarmodulen und in Elektroisolieranwendungen.