BIODEGRADABLE FILM

To provide a film that has very good biodegradability in seawater and at the same time has excellent mechanical properties.SOLUTION: The invention relates to a film comprising 10-90 wt.% of a component A and 10-90 wt.% of a component B, in relation to the sum of components A and B, A being polyhydro...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	THORSTEN ROLOFF, JOHANNES MATHAR, SCHMIDT HARALD, WOLFGANG FRIEDEK
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	To provide a film that has very good biodegradability in seawater and at the same time has excellent mechanical properties.SOLUTION: The invention relates to a film comprising 10-90 wt.% of a component A and 10-90 wt.% of a component B, in relation to the sum of components A and B, A being polyhydroxyalkanoate and B being an aliphatic copolyester composed of at least one diol component and at least one dicarboxylic acid component, and the film having a total thickness of 1 to 200 μm.SELECTED DRAWING: None 【課題】海水中で非常に良好な生分解性を示すと同時に、卓越した機械的特性をも示すフィルムを提供する。【解決手段】成分ＡおよびＢの合計に対して１０～９０重量％の成分Ａと１０～９０重量％の成分Ｂとを含むフィルムであって、Ａが、ポリヒドロキシアルカノエートであり、Ｂが、少なくとも１つのジオール成分と少なくとも１つのジカルボン酸成分とから構成される脂肪族コポリエステルであり、該フィルムが、１～２００μｍの全厚を有する、フィルムとする。【選択図】なし