Tetrakis-amido high flux membranes

Details Tetrakis-amido high flux membranes Tetrakis-amido high flux membranes

1988-10-21

1989-10-24

Sever, Frank

Liquid purification or separation

Filter

Material

21050035, 21050037, B01D 1300, B01D 1301

Patent

active

048760099

ABSTRACT:
Composite RO membranes of a microporous polymeric support and a polyamide reaction product of a tetrakis-aminomethyl compound and a polyacylhalide are disclosed, said membranes exhibiting high flux and good chlorine resistance.

REFERENCES:
patent: Re31389 (1983-09-01), Braver et al.
patent: 4039440 (1977-08-01), Cadotte
patent: 4259183 (1981-03-01), Cadotte
patent: 4277344 (1981-07-01), Cadotte
patent: 4529646 (1985-07-01), Sundet

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