Pervaporation membranes and use thereof
AssigneeDeutsche Carbone AG
InventorsHermann A. Steinhauser, Hartmut E. A. Bruschke
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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.
Claims12
A method of separating one or more alcohols from a mixture with other organic fluids by pervaporation or vapor permeation utilizing a membrane with a pore-free separation layer, said layer selected from the group consisting of poly-dimethyl aminoethyl methacrylate homopolymers, N-vinylpyrrolidone dim ethyl aminoethyl methacrylate copolymers, N-vinylcaprolactam dimethyl aminoethyl methacrylate copolymers, or N-vinylcaprolactam N-vinylpyrrolidone dimethyl aminoethyl methacrylate terpolymers.
Dependencies are inferred from the claim text.