Hydrophilic polymer membranes of polyvinyl alcohol and chitosan

Details Hydrophilic polymer membranes of polyvinyl alcohol and chitosan Hydrophilic polymer membranes of polyvinyl alcohol and chitosan

1975-04-01

1976-06-08

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

210500M, 260 174R, 260 174SG, B01D 1300, C08L 508

Patent

active

039621588

ABSTRACT:
Hydrophilic polymer membranes useful as semi-permeable membranes or ultrater membranes, are manufactured by forming a film from an aqueous solution containing polyvinyl alcohol and a chitosan salt and then subjecting the film to an alkali treatment.

REFERENCES:
patent: 2343094 (1944-02-01), Smith
patent: 3658745 (1972-04-01), Merrill et al.
patent: 3770673 (1973-11-01), Slagel et al.

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