Macroporous, asymmetric, hydrophilic polyaramide membrane

Details Macroporous, asymmetric, hydrophilic polyaramide membrane Macroporous, asymmetric, hydrophilic polyaramide membrane

1989-01-23

1990-01-02

Sever, Frank

Liquid purification or separation

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Material

264 41, B01D 1300, B01D 1304

Patent

active

048911356

ABSTRACT:
A macrophorous, asymmetric, hydrophilic membrane containing polyaramid is described. The characterizing features are that it contains a copolyamide which has at least the following recurring structural units:

REFERENCES:
patent: 4533616 (1985-08-01), Ohsaki et al.
patent: 4752643 (1988-06-01), Imanishi et al.

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