Abstract: Biodegradable and/or compostable compositions of blends of bio-based starch mixed esters and biodegradable and/or compostable polymers and methods of making them are described. The blend may include from about 20% to about 90% of the described starch mixed esters and from about 10% to about 80% of at least one other biodegradable and/or compostable polymer other than the bio-based starch mixed ester.
Abstract: A method of preparing biodegradable moldable products and films includes the steps of preparing biodegradable, hydrophobic, modified starch, and forming a thermoplastic product, comprising the modified starch, and optionally a miscible and biodegradable plasticizer, and/or a compatible filler.
Type:
Grant
Filed:
July 27, 1993
Date of Patent:
February 9, 1999
Assignee:
Evercorn, Inc.
Inventors:
Ramani Narayan, Steven Bloembergen, Amit Lathia
Abstract: Thermoplastic compositions comprising a starch ester and microfibers of cellulose can be formed into biodegradable articles of superior mechanical properties.
Abstract: Biodegradable moldable products and films prepared from a compatible blend containing a biodegradable, hydrophobic, starch ester and a biodegradable polyester, and optionally a biodegradable and miscible plasticizer and/or a compatible filler.