Patent ID: 6306960
Filing Date: 2001-10-23
Classification: C08F,C08J,C08L

Abstract:
An article of manufacture comprising a polypropylene polymer foam comprising:isotactic propylene homopolymer with a molecular weight distribution in the range from 2.5 to 20.0, hexane extractables of less than 1.0 weight percent, a melt flow rate in the range of 0.2 dg/min to 30.0 dg/min and wherein the polypropylene polymer foam has a density in the range of from 0.3 to 1.0 g/cm.sup.3 andwherein the isotatic propylene homopolymer comprises a blend of first and second propylene homopolymers, wherein the first propylene homopolymer has a melt flow rate in the range of 0.15 dg/min to 4.0 dg/min and a molecular weight distribution in the range of 1.8 to 2.5, and wherein the second propylene homopolymer has a melt flow rate in the range of 5 dg/min to 1000 dg/min and a molecular weight distribution in the range of 1.8 to 2.5.