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THIN FILM COMPOSITE MEMBRANES FOR SEPARATION OF ALKENES FROM ALKANES

  • US 20180111098A1
  • Filed: 05/06/2016
  • Published: 04/26/2018
  • Est. Priority Date: 05/11/2015
  • Status: Active Grant
First Claim
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1. A thin film composite membrane for the separation of alkanes from alkenes, comprising:

  • (a) a separation layer comprising a silver ionomer of a polymeric sulfonic acid; and

    (b) a high diffusion rate layer, which is nonporous, of one or more fluorinated polymers having a permeance to nitrogen of at least about 250 GPU, and wherein said separation layer and said high diffusion rate layer are laminated to each other.

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