Patent ID: 8637130
Filing Date: 2014-01-28
Classification: B29C,B29K,B32B,C08L,Y10T

Abstract:
1. A molded part that is formed from a thermoplastic composition, wherein the thermoplastic composition comprises: from about 50 wt. % to about 95 wt. % of at least one polylactic acid having a glass transition temperature of about 40° C. or more; from about 5 wt. % to about 30 wt. % of at least one propylene/α-olefin copolymer having a propylene content of from about 60 mole % to about 90 mole % and an α-olefin content of from about 10 mole % to about 40 mole %, wherein the copolymer further has a density of from about 0.82 to about 0.90 grams per cubic centimeter; and from about 0.5 wt. % to about 20 wt. % of at least one polyolefin compatibilizer that contains a polar component; wherein the part exhibits a degree of expansion of about 0.9% or less in a width direction, as determined in accordance with ASTM D955-08.