07368503 is referenced by 46 patents and cites 42 patents.

This invention relates to a blend of biodegradable polymers comprising: (A) about 5% to about 95% by weight of at least one flexible biodegradable polymer (A) having a glass transition less than about 0° C., (B) about 5% to about 95% by weight of at least one rigid biodegradable polymer (B) having a glass transition greater than about 10° C., and (C) about 0.25 to about 10 weight % of at least one compatibilizer (C), said percentages being based on the total weight of the polymer blend; where the polymer blend has a higher zero shear melt viscosity than polymers (A) and (B) separately.

Title
Compatibilized blends of biodegradable polymers with improved rheology
Application Number
10/999475
Publication Number
7368503 (B2)
Application Date
November 30, 2004
Publication Date
May 6, 2008
Inventor
Wesley Raymond Hale
Kingsport
TN, US
Agent
Bernard J Graves Jr
Louis N Moreno
Betty J Boshears
Assignee
Eastman Chemical Company
TN, US
IPC
C08L 77/00
C08L 69/00
C08L 67/00
C08L 33/00
View Original Source