Patent ID: 6984709

Claim:
An article comprising: a breathable polyurethane layer; and a substrate layer attached to said polyurethane layer, said substrate layer comprising a woven or nonwoven material, said polyurethane layer comprising the reaction product of a) at least one polyether polyol, b) at least one polyisocyanate, c) at least one chain extender, and d) at least one polyalcohol amine catalyst, wherein said polyurethane layer has a nitrogen content from said polyalcohol amine catalyst in an amount from about 0.075 to about 2 mol % based on the total moles of said polyol, said polyisocyanate, said chain extender, and said catalyst, and wherein said polyalcohol amine catalyst is triethanolamine, bis(2-hydroxyethyl)amino-2-propanol, 2-bis(2-hydroxyethyl)amino-2-(hydroxyethyl)-1,3-propanediol, or 1,3-bis[tris(hydroxymethyl)methylamino]propane, or a combination thereof.