Pervaporation membranes and use thereof

Details Pervaporation membranes and use thereof Pervaporation membranes and use thereof

1995-03-23

1997-12-23

Foelak, Morton

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210490, 21050043, 210654, 264 451, B01D 1500, B01D 2900

Patent

active

057003742

ABSTRACT:
A membrane comprising a pore-free separation layer, wherein the separation layer consists of poly-dimethyl aminoethyl methacrylate homopolymers or N-vinylpyrrolidone dimethyl aminoethyl methacrylate copolymer or N-vinylcaprolactam dimethyl aminoethyl methacrylate copolymer or N-vinylcaprolactam N-vinylpyrrolidone dimethyl aminoethyl methacrylate terpolymers.

REFERENCES:
patent: 4759850 (1988-07-01), Farnand et al.
patent: 4774365 (1988-09-01), Chen
patent: 4877529 (1989-10-01), Pasternak et al.
patent: 4960519 (1990-10-01), Pasternak et al.
patent: 5066403 (1991-11-01), Dutta et al.

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