Method of manufacturing an integral asymmetrical membrane

Details Method of manufacturing an integral asymmetrical membrane Method of manufacturing an integral asymmetrical membrane

1989-04-04

1990-06-12

Sever, Frank

Liquid purification or separation

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Material

264 451, B01D 1300, B01D 1304

Patent

active

049330853

ABSTRACT:
A method of manufacturing an integral asymmetrical membrane for the separation of liquid or gaseous mixtures. A membrane-forming agent in the form of a polyetherimide is mixed with a solvent that is miscible with water. The resulting mixture is introduced into or accommodated in a geometrical form. The form is then brought into contact with a precipitating agent.

REFERENCES:
patent: 4818452 (1989-04-01), Kneifel et al.

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