Patent ID: 6545091
Filing Date: 2003-04-08
Classification: B32B,C08L,C09J

Abstract:
An adhesive composition, comprising:a) a non-metallocene generated polyethylene selected from the group consisting of conventional-HDPE, conventional-LLDPE, conventional-VLDPE, LDPE, and a blend of any of these four, b) from 5 to 35 weight percent, based on the total weight of a) plus b) plus c), of an acid-grafted metallocene polyethylene of those having a melt flow ratio I10/I2 of less than 6.53 and an Mw/Mn ratio of greater than the melt flow ratio less 4.63, and c) optionally up to 30 weight percent of a hydrocarbon elastomer, the acid grafting agent being an unsaturated carboxylic acid or its derivative, selected from the group consisting of acrylic acid, methacrylic acid, fumaric acid, maleic acid, nadic acid, citraconic acid, itaconic acid and anhydrides, metal salts, esters, amides or imides of the above acids and the level of grafting being such that the total amount of grafting agent in the total composition a) plus b) plus c) is from 0.01 to 3 weight percent.