Hydrophilized membrane of porous hydrophobic material and proces

Details Hydrophilized membrane of porous hydrophobic material and proces Hydrophilized membrane of porous hydrophobic material and proces

1986-09-11

1987-06-23

Foelak, Morton

Coating processes

Foraminous product produced

Filter, sponge, or foam

427246, 4283155, 4283157, 4283184, 521 54, 521134, 521149, 521918, A21D 600

Patent

active

046752137

ABSTRACT:
A hydrophilized membrane of a porous hydrophobic material having micropores each defined by a surface at least part of which is coated with a hydrophilizing agent which is solid at about 20.degree. C. and substantially insoluble in water. The hydrophilizing agent is preferably selected from monofatty acid esters of propylene glycol. Also disclosed are processes for hydrophilizing such porous hydrophobic membranes.

REFERENCES:
patent: 3508953 (1970-04-01), Simon et al.
patent: 3826674 (1974-07-01), Schwarz
patent: 4394457 (1983-07-01), Ogasa

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