Patent ID: 7381767

Claim:
A shaped article comprising or produced from a composition which comprises or is produced from at least one polypropylene and 0.2 to 3 weight % of at least one E/X/Y copolymer wherein the polypropylene includes polypropylene homopolymer; random copolymers or block copolymers of polypropylene and ethylene; and random terpolymers or block terpolymers of polypropylene, ethylene and one other olefin; or combinations of two or more there of; and E comprises repeat units derived from ethylene; X derives from a monomer including vinyl acetate, alkyl (meth)acrylic ester, or combinations thereof; and Y derives from one or more additional comonomers including carbon monoxide; sulfur dioxide, acrylonitrile, maleic anhydride, maleic acid diester, (meth)acrylic acid, maleic acid, maleic acid monoester, itaconic acid, itaconic acid monoester, fumaric acid, fumaric acid monoester, a salt of any of these acids or esters, glycidyl acrylate, glycidyl methacrylate, glycidyl vinyl ether, or combinations of two or more thereof; X is from 0 to 50 weight % of the E/X/Y copolymer; Y is from 0 to 35 weight % of the E/X/Y copolymer; the weight % of X and Y cannot both be 0; and E is the remainder.