Process for the separation of diene from organic mixtures
Abstract
Abstract DIENES SUCH AS BUTADIENE AND ISOPRENE ARE SEPARATED FROM ORGANIC MIXTURES CONTAINING SAME BY CONTACTING THE MIXTURE AGAINST ONE SIDE OF A POLYMERIC MEMBRANE AND WITHDRAWING AT THE OTHER SIDE A VAPOROUS MIXTURE HAVING INCREASED DIENE CONCENTRATION. THE POLYMER MEMBRANE IS AN ACRYLONITRILE CONTAINING POLYMER WHICH IS (1) A COPOLYMER OF ACRYLONITRILE OR (2) A POLYMER BLEND CONTAINING ACRYLONITRILE POLYMER. EXEMPLARY OF THE POLYMER MEMBRANES ARE COPOLYMERS OF ACRYLONITRILE AND A STYRENE, VINYL ACETATE AND N-VINYLPYRROLIDONE AND BLENDS OF POLYACRYLONITRILE AND POLYSTYRENE, POLYVINYL ACETATE AND POLYVINYLPYRROLIDONE. EXEMPLARY OF THE ORGANIC MIXTURES IS A MIXTURE OF BUTADIENE AND BUTENE.
Inventors
- 👤 E Perry
- 👤 W Strazik
Bibliographic Details
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