Thin polycarbonate membranes for use in hemodialysis

Details Thin polycarbonate membranes for use in hemodialysis Thin polycarbonate membranes for use in hemodialysis

C - Chemistry, Metallurgy

08

G

18/12, 182/13, 4

C08G 65/32 (2006.01) A61M 1/16 (2006.01) C08J 5/18 (2006.01) C08J 5/22 (2006.01) C08L 69/00 (2006.01) C08L 71/00 (2006.01)

Patent

CA 1093240

ABSTRACT OF THE DISCLOSURE This membranes for homodialysis prepared from polycarbonate materials have superior transport properties for middle molecular weight molecules than do cellulosic membranes or previously available thicker polycarbonate membranes while having an ultrafiltration rate less than that obtainable with thicker polycarbonate membranes. Thin polycarbonate membranes with a thickness of about 0.8 mil, an ultrafiltration rate of about 3.5 ml/hr/M2/mmHgn, a sodium chloride diffusive permeability of about 830 cm/min(x10-4) at 37°C and a vitamin B12 diffusive permeability of about 114 cm/min x 10-4 at 37°C have been produced.

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