Hydrophilized porous polyolefin membrane and production process

Details Hydrophilized porous polyolefin membrane and production process Hydrophilized porous polyolefin membrane and production process

1987-03-27

1988-01-05

Foelak, Morton

Liquid purification or separation

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Supported, shaped or superimposed formed mediums

21050023, 210506, 21050036, 21050042, 521 61, 521 62, 521134, 521143, B01D 2504

Patent

active

047174790

ABSTRACT:
The present invention discloses a hydrophilized porous polyolefin membrane with a polymer of a monomer, which has an HLB value of 2-20, held on at least a part of the pore walls of a porous polyolefin membrane as well as its production process. This hydrophilized porous polyolefin membrane has long-lasting hydrophilicity and good mechanical strength.

REFERENCES:
patent: 2990378 (1961-06-01), Hurwitz et al.
patent: 3413245 (1968-11-01), Sambeth
patent: 4394457 (1983-07-01), Ogassa

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