Patent ID: 7842391
Filing Date: 2010-11-30
Classification: A43B,B32B,C08G,C08K,C08L,Y10T

Abstract:
1. A composition comprising: a first component comprising thermoplastic polyurethane; a second component comprising a hydroxyl-functional copolymer; and a third component comprising a gel reducing additive having a molecular weight of less than the molecular weight of the hydroxyl-functional copolymer; wherein the hydroxyl-functional copolymer comprises a) a polymer having 10 mole percent or more of repeating units of structure wherein n is 1, R1 and R2 are independently hydrogen, methyl, or ethyl, and R3 is hydrogen or C b) a copolymer of ethylene and vinyl alcohol with 25-60 mol % ethylene, wherein the gel reducing additive is selected from the group consisting of compounds with at least one hydroxyl group, compounds with at least one primary amino group, compounds with at least one secondary amino group, compounds with at least one carboxyl group, and compounds with at least one carboxylic anhydride group.