Liquid purification or separation – Filter – Material
Patent
1993-03-03
1994-06-28
Spear, Frank
Liquid purification or separation
Filter
Material
21050043, B01D 7142
Patent
active
053244303
ABSTRACT:
A composite fiber or film for use in a fluid separation membrane made of PAN coated with an intermediate permeable material and further coated with a selective layer. The PAN fiber or film is pre-wet with perfluoroether prior to being coated with the intermediate material, to produce a membrane material having enhanced permeability. The selective layer produces a high separation factor.
REFERENCES:
patent: 4230463 (1980-10-01), Henis et al.
patent: 5087367 (1992-02-01), Tsuyumoto et al.
Bembry-Ross Brenda
Chung Tai-Shung
Kafchinski E. Ronald
Spak Mark
Wensley C. Glen
Hoechst Celanese Corp.
Mazzarese Joseph M.
Spear Frank
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