Vapor permeable poly (etherimide) ester elastomer films

Details Vapor permeable poly (etherimide) ester elastomer films Vapor permeable poly (etherimide) ester elastomer films

B - Operations, Transporting

01

D

18/12, 117/88.5

B01D 71/64 (2006.01) A61L 31/06 (2006.01) B32B 5/24 (2006.01) C08G 73/16 (2006.01)

Patent

CA 1322081

Title Vapor Permeable Poly(Etherimide) Ester Elastomer Films Abstract of the Disclosure A flexible breathable waterproof product of a film of a thermoplastic hydrophilic poly(etherimide) ester elastomer which is the reaction product of one or more diols, one or more dicarboxylic acids, and one or more poly(oxyalkylene imide) diacids said poly(oxyalkylene imide) diacid containing sufficient repeating units of ethylene oxide so that the resulting poly(etherimide) ester elastomer has about 25-60 weight percent ethylene oxide units and said film has a water vapor transmission rate of at least about 3500 gm?mil/m2/24 hours according to ASTM E96-66 (Procedure BW). AD-5614 35

585104

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