Biodegradable shaped products and the method of preparation ther

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

1989-12-05

1991-08-27

Foelak, Morton

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

106122, 106210, 106213, 264 53, 264186, 264DIG5, 428 365, 521 79, 521 82, 521 841, B29C 6722, C08J 912

Patent

active

050431960

ABSTRACT:
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, closed 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 2.0 lb/ft.sup.3, a resiliency of at least about 50%, and a compressibility of from about 100 to 800 g/cm.sup.2.

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