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

1985-09-16

1987-05-05

Foelak, Morton

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

427244, 4283155, 4283184, 521 54, 521134, 521149, 521918, B32B 712

Patent

active

046632271

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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