Hydrophilic semipermeable membranes based on copolymers of acryl

Details Hydrophilic semipermeable membranes based on copolymers of acryl Hydrophilic semipermeable membranes based on copolymers of acryl

1990-08-16

1991-08-13

Dawson, Robert A.

Liquid purification or separation

Processes

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

210650, 210651, 210653, 21050021, 21050027, 21050035, 21050043, B01D 1300

Patent

active

050394207

ABSTRACT:
Hydrophilic semipermeable membranes based on copolymers of acrylonitrile and hydroxy-C.sub.2 -C.sub.4 -alkyl esters of (meth)acrylic acid are provided. The membranes have a substantial water regain at equilibrium, a wide range of ultrafiltration rates, and low solute adsorption by ion-exchange or hydrophobic interaction mechanisms. The membranes are particularly suitable for processing protein containing fluids, especially biological fluids such as blood or plasmas.

REFERENCES:
patent: 3616930 (1971-11-01), McClements Muir
patent: 3950257 (1976-04-01), Ishii et al.
patent: 4177150 (1979-12-01), Inoue et al.
patent: 4252652 (1981-02-01), Elfert et al.
patent: 4545910 (1985-10-01), Marze
patent: 4749619 (1988-06-01), Angleraud

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