Patent ID: 6245856
Filing Date: 2001-06-12
Classification: C08L,Y10S

Abstract:
A thermoplastic olefin composition comprising:(a) 88 to 50 weight percent polypropylene, said polypropylene having a melt flow rate of at least 20 g/10 minutes as determined by ASTM D1238, condition L;(b) 10 to 50 weight percent elastomer wherein said elastomer is selected from the group consisting of ethylene-alpha olefin elastomers and ethylene-alpha olefin-diene elastomers; wherein said elastomer has an ethylene content that ranges from 90 to 45 weight percent;(c) 2 to 15 weight percent of a compatabilizer comprising an ethylene-propylene copolymer having a propylene content of at least 80 weight percent, wherein said compatabilizer has a molecular weight distribution of from 1.8 to 4.5 and further wherein said compatabilizer is produced using a metallocene polymerization catalyst.