Membranes of polyurethane based materials includin

专利名称：Membranes of polyurethane based

materials including polyester polyols

发明人：Henry W. Bonk,David Goldwasser申请号：US09436869申请日：19991109公开号：US06321465B1公开日：20011127

专利附图：

摘要：The present invention relates to membranes including an urethane including apolyester polyol, wherein the membrane has a gas transmission rate of 15.0 or less fornitrogen gas wherein the membrane has an average thickness of approximately 20.0 mils.

Under certain embodiments, the membranes include blends of one or more polyesterpolyol based thermoplastic urethanes and one or more barrier materials. Themembranes can be employed in a variety of applications and can be used as eithermonolayers or multi-layered laminates.

申请人：NIKE, INC.

代理机构：Harness, Dickey & Pierce, P.L.C.

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