Patent ID: 6458910
Filing Date: 2002-10-01
Classification: B29C,B29K,C08F,C08J

Abstract:
A blown film comprising a copolymer of ethylene and an alpha olefin of 3 to 10 carbon atoms having a density of 0.910 to 0.940 g/cc, and having a dart drop impact value, wherein said blown film is in the form of a high stalk extrudate of said copolymer which high stalk extrudate form results in an increase of said dart drop impact value by at least 25%;wherein the copolymer exhibits a Mz/Mw value of 4 to 10; wherein the copolymer was formed in the presence of dimethylaluminum chloride as a cocatalyst; and wherein said high stalk extrudate exhibits a haze of greater than 15 (as determined by ASTM D-1003); and a gloss of less than 50 (as determined by ASTM D-2457).