Hydrophilic membrane, process for producing a hydrophilic membra

Details Hydrophilic membrane, process for producing a hydrophilic membra Hydrophilic membrane, process for producing a hydrophilic membra

1991-02-08

1992-06-16

Dawson, Robert A.

Liquid purification or separation

Filter

Material

21050041, 264 41, 521 50, B01D 3900

Patent

active

051222736

ABSTRACT:
A membrane for membrane filtration is disclosed, comprising a polymer matrix formed by coagulation with a liquid coagulant from a casting syrup, which polymer matrix is linked to hydrophilic groups belonging to a compound which has a hydrophilic chain section, is not coagulated by the liquid coagulant, is coupled on either side to a hydrophobic chain, is anchored in the polymer matrix by non-chemical bonding, and is composed of a compound which has a molecular weight of at least 2000 and can be used as a thickening agent.

REFERENCES:
patent: 4203848 (1980-05-01), Grandine
patent: 4798847 (1989-01-01), Roesink et al.
patent: 4818427 (1989-04-01), Alternoschoepfer et al.
patent: 4906375 (1990-03-01), Heilmann
patent: 4968430 (1990-11-01), Hilderbrand et al.

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