Method of making a supported microporous membrane

Details Method of making a supported microporous membrane Method of making a supported microporous membrane

1988-06-08

1989-05-02

Sever, Frank

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264DIG48, 264DIG62, 264DIG75, B01D 1304

Patent

active

048266426

ABSTRACT:
A supported microporous membrane comprising a composite of a microporous membrane and a synthetic thermoplastic web of microfibers secured to the membrane without the use of added adhesive components and having an ASTM D903 peel strength of at least about 2 grams per centimeter, the composite having a modulus of flexure at leasts 10 percent greater than that of the membrane, and the method of manufacturing such supported membranes by contacting thermplastic microfibers with the membrane while the microfibers are at an elevated temperature.

REFERENCES:
patent: 4746472 (1988-05-01), Kohn
patent: 4746473 (1988-05-01), Kohn
patent: 4765939 (1988-08-01), Kohn

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