STARCH-BASED BIODEGRADABLE POLYMER; METHOD OF MANUFACTURE AND ARTICLES THEREOF

A process for manufacturing a biodegradable composition, involves compounding of at least (a) thermoplastic starch (TPS), (b) a vinyl ester polymer and (c) one or more plasticizer(s) for component (b), wherein the one or more plasticizer(s) (c) and optionally part of the vinyl ester polymer (b) is i...

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Bibliographische Detailangaben
Hauptverfasser:	VAN HEEMST, JACOB, JOHANNES, RODENBURG, THIJS, RODENBURG, JOOST, ZANT, ERWIN, SCHENNINK, GERALDUS GERARDUS JOHANNES, RODENBURG, JAN ARIE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A process for manufacturing a biodegradable composition, involves compounding of at least (a) thermoplastic starch (TPS), (b) a vinyl ester polymer and (c) one or more plasticizer(s) for component (b), wherein the one or more plasticizer(s) (c) and optionally part of the vinyl ester polymer (b) is introduced only when all or a major part of thermoplastic starch is destructurized from granular/native starch. Preferably diacetin is used for plasticizer (c), and introduced only after destructurizing the starch.