Patent ID: 6384142
Filing Date: 2002-05-07
Classification: B01J,C07F,C08F,C08L,Y02P

Abstract:
A reactor produced propylene impact copolymer composition comprising:(a) From about 40% to about 95% by weight Component A based on the total weight of the impact copolymer, Component A comprising propylene homopolymer or copolymer wherein the copolymer comprises 10% or less by weight ethylene, butene, hexene or octene comonomer; (b) From about 5% to about 60% by weight Component B based on the total weight of the impact copolymer, Component B comprising propylene copolymer wherein the copolymer comprises from about 20% to about 70% by weight ethylene, butene, hexene and/or octene comonomer, and from about 80% to about 30% by weight propylene, wherein Component B: (i) has a weight average molecular weight of at least 100,000; (ii) a composition distribution of greater than 60%; (iii) an intrinsic viscosity of greater than 1.00 dl/g; and wherein the amount of amorphous polypropylene in the composition is less than 2 wt %.