Permselective polymeric membrane prepared from polybenzimidazole

Details Permselective polymeric membrane prepared from polybenzimidazole Permselective polymeric membrane prepared from polybenzimidazole

1972-09-12

1976-04-20

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

210 24, 260 302, 260 306R, 260 308R, 260 308DS, 260 326N, 260 47CP, 260 49, 260 63N, 260 65, 260 75N, 260 775R, 260 775C, 260 78A, 260 78SC, C08g 3302, C08g 3304

Patent

active

039519201

ABSTRACT:
This invention provides a novel permselective polymeric membrane excellent in permselectivity which allows permeation of water in an aqueous solution at a high rate but is highly preventive of permeation of solutes, and a process for the preparation of such permselective membrane, said polymeric membrane consisting essentially of a linear polymer containing N-aryl-substituted-benzimidazole units as the main-chain-constituting units.

REFERENCES:
patent: 3647762 (1972-03-01), Hara et al.

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