Crosslinked composite membrane and process for producing the sam

Details Crosslinked composite membrane and process for producing the sam Crosslinked composite membrane and process for producing the sam

1987-01-23

1989-04-25

Sever, Frank

Liquid purification or separation

Processes

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

159DIG27, 203DIG17, 203DIG24, 210651, 210652, 210654, B01D 1300

Patent

active

048245739

ABSTRACT:
A crosslinked composite membrane having high permeation velocity and separation factor and a process for producing the same. The membrane comprises a skin layer comprising a crosslinking reaction product of a water-soluble polysaccharide having a sulfonate group and/or a sulfonic acid group and a polyfunctional melamine compound. The crosslinked composite membrane can be formed on a porous base such as an ultrafilter.

REFERENCES:
patent: 2953502 (1960-09-01), Binning et al.
patent: 3035060 (1962-05-01), Binning et al.
patent: 3981303 (1976-09-01), Higuchi et al.
patent: 3986510 (1976-10-01), Higuchi et al.
patent: 3993071 (1976-11-01), Higuchi et al.
Yutaka Taketani et al., "Use of Liquid Chromatography for Studying Reverse smosis and Ultrafiltration", Separation Science and Technology, 17(6), pp. 821-838, 1982.

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