Multilayer reverse osmosis membrane in which one layer is poly-m

Details Multilayer reverse osmosis membrane in which one layer is poly-m Multilayer reverse osmosis membrane in which one layer is poly-m

1984-07-30

1987-02-17

Sadowski, David

Liquid purification or separation

Filter

Material

21050038, 21050041, B01D 1304

Patent

active

046438297

ABSTRACT:
A multilayer membrane for performing reverse osmosis is disclosed. The membrane comprises a porous support and a layer formed of poly meta-phenylene cyclohexane-1,3,5-tricarboxamide. The preferred material for forming the support is a polysulfone.

REFERENCES:
patent: 3567632 (1971-03-01), Richter et al.
patent: 3649687 (1972-03-01), Weyland et al.
patent: 3744642 (1973-07-01), Scala et al.
patent: 4277344 (1981-07-01), Cadotte
patent: 4353802 (1982-10-01), Hara et al.
patent: 4520044 (1985-05-01), Sundet
patent: 4529646 (1985-07-01), Sundet

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