Polysulfone-based hollow fiber membrane and process for...

Details Polysulfone-based hollow fiber membrane and process for... Polysulfone-based hollow fiber membrane and process for...

B - Operations, Transporting

01

D

B01D 71/68 (2006.01) B01D 67/00 (2006.01) B01D 69/08 (2006.01) D01D 5/247 (2006.01)

Patent

CA 2094749

The polysulfone hollow fiber membrane of the invention has an inner dense skin layer composed of a polysulfone and a less amount of a polyvinylpyrrolidone, a content of the polyvinylpyrrolidone in the dense skin layer being higher than that in an outer surface layer. This membrane has excellent biocompatibility and anti- thrombogenetic ability and is, therefore, useful in body fluid treatment, such as hemodialysis, hemofiltration and hemoconcentration, without clogging with thrombi.

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