Patent ID: 7482406
Filing Date: 2009-01-27
Classification: C08F,C08L,Y10S

Abstract:
1. An olefin polymer composition comprising: (A) 60-95% by weight of a propylene homopolymer, or a copolymer of propylene containing 3% or less by weight of ethylene or at least one C (B) 5-40% by weight of a copolymer of ethylene containing from 40% to 70% by weight of propylene or at least one C said composition having a Temperature Rising Elution Fractionation profile, obtained by fractionating said composition in xylene into fractions and collecting at least one fraction at temperatures of 40° C., 80° C. and 90° C.; said weight percent of ethylene content Y of said fraction collected at 90° C. satisfies the following relation (I): wherein X is a weight percent of said ethylene content of said fraction collected at 40° C., and said fraction soluble in xylene at 25° C. has an intrinsic viscosity [η] from 1.8 to 4.2 dl/g.