Filters employing particulate porous polymers

Details Filters employing particulate porous polymers Filters employing particulate porous polymers

1992-04-20

1993-01-05

Spear, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

2105021, 21050036, B01D 3904

Patent

active

051768330

ABSTRACT:
Novel filters are prepared, and filtrations are performed, using porous fibers and filaments which are comprised of normally solid, thermoplastic, orientable, organic polymers which have reactive or reactable groups pendent from the polymer chain, said polymers being made using a process which involves reactions of said pendent groups while the polymer is in an oriented condition. One of the preferred polymers is a copolymer of ethylene/acrylic acid. Ionomers of the polymers can be used.

REFERENCES:
patent: 3247133 (1966-04-01), Chen
patent: 3666693 (1972-05-01), Chapiro et al.
patent: 3723306 (1973-03-01), Bridgeford

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