Biodegradable shaped products and the method of preparation...

Details Biodegradable shaped products and the method of preparation... Biodegradable shaped products and the method of preparation...

C - Chemistry, Metallurgy

08

L

18/661, 403/83

C08L 3/00 (2006.01) B65D 65/38 (2006.01) B65D 65/46 (2006.01) C08J 9/12 (2006.01)

Patent

CA 1331671

ABSTRACT OF THE INVENTION A biodegradable shaped product comprising an expanded high amylose starch product having at least 45% by weight amylose content, said expanded product having a low density, closed cell structure with good resilience and compressibility Another embodiment provides a biodegradable packaging material comprising an expanded, low density, closet cell starch product, the starch having at least 45% by weight amylose content and the expanded product having a bulk density of less than about 32.0 kg/m3 (2.0 lb/ft3), a resiliency of at least about 50%, and a compressibility of from about 100 to 800 g/cm2.

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