07160977 is referenced by 41 patents and cites 38 patents.

This invention relates to a blend of biodegradable polymers comprising: (A) about 70% to about 80% by weight of at least one flexible biodegradable polymer (A) having a glass transition less than about 0° C., (B) about 30% to about 20% 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 notched Izod impact strength according to ASTM D256 of at least 7.5 ft-lbs/in.

Title
Polymer blends with improved notched impact strength
Application Number
11/5587
Publication Number
7160977 (B2)
Application Date
December 6, 2004
Publication Date
January 9, 2007
Inventor
Candace Michele Tanner
Kingsport
TN, US
Wesley Raymond Hale
Kingsport
TN, US
Agent
Bernard J Graves Jr
B J Boshears
Assignee
Eastman Chemical Company
TN, US
IPC
C08G 63/00
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