Supported microporous membrane and method of making

Details Supported microporous membrane and method of making Supported microporous membrane and method of making

B - Operations, Transporting

01

D

117/88.5

B01D 61/00 (2006.01) A41D 31/02 (2006.01) B01D 69/10 (2006.01)

Patent

CA 1276844

A b s t r a c t: A supported microporous membrane comprising a composite of a microporous membrane and a synthetic thermoplastic web of microfibers secured to the mem- brane without the use of added adhesive components and having an ASTM D903 peel strength of at least 2 grams per centimeter, the composite having a modulus of flexure at least 10 percent greater than that of the membrane, and the method of manufacturing such supported membranes by contacting thermoplastic mi- crofibers with the membrane while the microfibers are at an elevated temperature.

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