Method of making a hollow fiber membrane for dialysis

Details Method of making a hollow fiber membrane for dialysis Method of making a hollow fiber membrane for dialysis

1985-11-15

1987-07-21

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

264 48, 264187, 264200, 264203, 264207, 264235, 264346, 21050023, 21050030, 21050031, 21050032, B29C 2760

Patent

active

046817131

ABSTRACT:
A hollow fiber membrane of a cellulose ester for dialysis of body liquids, such as blood, and a method are described. The membrane, which has a membrane thickness of less than 20.mu., and a yield strength S.sub.b (g/filament) after heat-treatment at 80.degree. C. for 20 hours satisfies the following formula (I):

REFERENCES:
patent: 4322381 (1982-03-01), Joh
patent: 4323627 (1982-04-01), Joh
patent: 4342711 (1982-08-01), Joh et al.
"Drying Cellulose Acetate Reverse Osmosis Membranes"; Vos and Burns, Jr.; I&EC Prod. Res. & Dev., vol. 8, No. 1, 3/69, 84-89.

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