Hydrophobic diffusion membranes for blood having wettable surfac

Details Hydrophobic diffusion membranes for blood having wettable surfac Hydrophobic diffusion membranes for blood having wettable surfac

1978-05-01

1982-10-12

Spear, Jr., Frank A.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

264 22, 422 48, B01D 3100

Patent

active

043537995

ABSTRACT:
Hydrophobic diffusion membranes such as porous polypropylene may be rendered hydrophilic at their surfaces, without losing their valuable characteristics as diffusion membranes, by subjection to a corona discharge or other ionizing condition, preferably in air or a similar oxygen-containing atmosphere.

REFERENCES:
patent: 3757955 (1973-09-01), Leonard
patent: 3992495 (1976-11-01), Sano et al.

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