BIAXIALLY STRETCHED STARCH-BASED FOIL

The invention pertains to biaxially stretched TPS/PLA foil or film comprising 1 - 30 wt% thermoplastic starch (TPS) with 30 - 80 wt% polylactic acid (PLA) and 1 - 20 wt% vinyl acetate - vinyl fatty acid copolymers, preferably vinyl acetate - vinyl laureate and/or vinyl acetate - vinyl crotonic acid...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VAN SOEST, Jeroen Johannes Gerardus, RODENBURG, Joost, RODENBURG, Thijs
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	The invention pertains to biaxially stretched TPS/PLA foil or film comprising 1 - 30 wt% thermoplastic starch (TPS) with 30 - 80 wt% polylactic acid (PLA) and 1 - 20 wt% vinyl acetate - vinyl fatty acid copolymers, preferably vinyl acetate - vinyl laureate and/or vinyl acetate - vinyl crotonic acid copolymer, optionally 1 - 20 wt% TPS compounder and optionally 1 - 20 wt% vinyl acetate - ethylene copolymer, based on the total weight of TPS, optional TPS compounder, PLA and said copolymer(s), wherein glycerol, sorbitol, glycol and polyethylene glycol, if present, are present in a total amount less than 1 wt%, preferably less than 0.1 wt%, based on the total weight of TPS, optional TPS compounder, PLA and said copolymer(s).