Crosslinked organic polyamide or polyhydrazine permselective pol

Details Crosslinked organic polyamide or polyhydrazine permselective pol Crosslinked organic polyamide or polyhydrazine permselective pol

1976-01-07

1978-04-25

Schofer, Joseph L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

210 23H, 260 78SC, C08G 6948

Patent

active

040862151

ABSTRACT:
Permselective membranes are prepared by crosslinking synthetic organic polyamides or polyhydrazides having --CO.sub.2 H groups and/or --SO.sub.3 H groups with a salt of metal selected from the class consisting of alkaline earth metals, transition metals, aluminum group metals and lead group metals.
The membranes are useful in separating components of fluid mixtures or solutions such as water containing dissolved salts, and are especially useful in producing pure water from saline water.

REFERENCES:
patent: 3904519 (1975-09-01), McKinney, Jr. et al.
patent: 3935172 (1976-01-01), Vogl et al.
patent: 3948823 (1976-04-01), Lee et al.
patent: 3954607 (1976-05-01), Halling
patent: 3993625 (1976-11-01), Kurihora et al.

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