Hydrophilized porous membrane and production process thereof

Details Hydrophilized porous membrane and production process thereof Hydrophilized porous membrane and production process thereof

1988-07-01

1989-10-24

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

264 41, 264129, 2642888, 521 57, 521905, 521918, 210490, 21050038, C08J 904

Patent

active

048762890

ABSTRACT:
The present invention discloses a hydrophilized porous membrane with a crosslinked hydrophilic polymer, which is composed principally of diacetone acrylamide, held physically on at least a part of the pore walls of a starting porous polyolefin membrane, as well as its production process. This hydrophilized porous polyolefin membrane has long-lasting hydrophilicity and good mechanical strength. Its components are dissolved out only minimally in application.

REFERENCES:
patent: 3795720 (1974-03-01), Schwarz
patent: 4252907 (1981-02-01), Ogassa
patent: 4695592 (1987-09-01), Itoh et al.

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