Hydrophilic article and method of producing same

Details Hydrophilic article and method of producing same Hydrophilic article and method of producing same

1988-01-28

1990-03-06

Spear, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210644, 210651, 210654, 21050038, 21050043, B01D 1300

Patent

active

049063790

ABSTRACT:
This invention provides a matrix comprising molecules of a suitable polymer which provides solely on the surface of the matrix sufficient uncharged substituted amide groups to render the surface hydrophilic. The invention also provides an article of manufacture comprising the matrix.
Another aspect of the invention provides a method of producing a matrix having a hydrophilic surface which comprises treating molecules of a suitable polymer so as to provide solely on the surface of the matrix sufficient uncharged, hydrophilic substituted amide groups to render the surface hydrophilic.
Another embodiment of the invention concerns improved methods of filtration, ultrafiltration, microfiltration, reverse osmosis, dialysis, prevaporation, sieving, affinity chromatography, affinity purification, affinity separation, or affinity adsorption which comprises using the article of manufacture.

REFERENCES:
patent: 2534204 (1950-12-01), Mowrey
patent: 3948823 (1976-04-01), Lee et al.
patent: 4415631 (1983-11-01), Schutijser
patent: 4501785 (1985-02-01), Nakanishi
patent: 4584103 (1986-04-01), Linder et al.
patent: 4614714 (1986-09-01), Kusakabe et al.

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