Membranes

Details Membranes Membranes

1987-11-18

1989-04-11

Ivy, C. Warren

Liquid purification or separation

Processes

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

21050041, 210654, 264 41, 521 27, 521 64, B01D 1300

Patent

active

048204196

ABSTRACT:
Solutions of sulphonated polyaryletherketones in a solvent mixture of at least three liquids or low melting solids which are non-solvents or poor solvents for the polymer, can be used to produce asymmetric semi-permeable membranes. The polymer may be a polymer of

REFERENCES:
patent: 3855122 (1974-12-01), Bourganel
patent: 3875096 (1975-04-01), Graefe
patent: 4008203 (1977-02-01), Jones
patent: 4029582 (1977-06-01), Ishii
patent: 4268650 (1981-05-01), Rose
patent: 4419486 (1983-12-01), Rose
D. R. Lloyd, "Poly(aryether) membranes for Reverse Osmosis", ACS Symposium Series 153, Synthetic Membranes, vol. 1, Desalination, 1981; Edited A. F. Turbak; pp. 327-349.

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