Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Candace Michele Tanner0
Wesley Raymond Hale0
Date of Patent
May 6, 2008
0Patent Application Number
110052660
Date Filed
December 6, 2004
0Patent Primary Examiner
Patent abstract
This invention relates to a blend of biodegradable polymers comprising:(A) about 15% to about 60% by weight of at least one flexible biodegradable polymer (A) having a glass transition less than about 0° C.,(B) about 85% to about 40% by weight of at least one rigid biodegradable polymer (B) having a glass transition greater than about 10° C.;said percentages being based on the total weight of the polymer blend;wherein said polymer blend has a unnotched Izod impact strength according to ASTM D256 of at least 9 ft-lbs/in at 23° C. In one embodiment, the polymer blend has a unnotched Izod impact strength according to ASTM D256 at least 20 ft-lbs/in at 23° C.
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