Biodegradable polyester and natural polymer compositions and...

Details Biodegradable polyester and natural polymer compositions and... Biodegradable polyester and natural polymer compositions and...

C - Chemistry, Metallurgy

08

L

C08L 3/00 (2006.01) C08J 9/12 (2006.01) C08J 9/228 (2006.01) C08J 9/34 (2006.01) C08L 3/02 (2006.01) C08L 67/00 (2006.01)

Patent

CA 2254058

Expanded articles have a compressible and resilient body including two biodegradable components. One component preferably is starch or a modified starch. Another component is a water insoluble, synthetic polymer, preferably a hydroxy-functional polyester. The article may be thermoformed, and has exterior surfaces with substantial resistance to moisture.

Cette invention concerne des articles expansés qui possèdent un corps compressible et élastique comprenant deux composants biodégradables. L'un de ces composants consiste de préférence en de l'amidon ou de l'amidon modifié. L'autre composant consiste, quant à lui, en un polymère synthétique insoluble dans l'eau et, de préférence, en un polyester à fonction hydroxy. Cet article peut être thermoformé et possède des surfaces externes ayant une grande résistance à l'humidité.

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