Patent ID: 6458890
Filing Date: 2002-10-01
Classification: B32B,C08F,C08L,C09J,Y10T

Abstract:
A 4-methyl-1-pentene polymer composition comprising:(A) 26 to 96 wt % of a 4-methyl-1-pentene polymer (Aâ€²) comprising a homopolymer of 4-methyl-1-penene or a homopolymer of a copolymer containing not less than 85 mol % of the 4-methyl-1-pentene component, at least part of which is modified with unsaturated carboxylic acid, whose rate of modification is 0.1 to 5 wt % and whose melt flow rate is 5 to 500 g/min as determined under the conditions of a temperature being 260Â° C. and a load being 5 kg in accordance with ASTM D1238; and (B) 4 to 74 wt % of an unsaturated carboxylic acid-modified ethylene/&agr;-olefin copolymer (B-2).