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Mixed matrix membrane with mesoporous particles and methods for making and using the same

  • US 20060107830A1
  • Filed: 11/19/2004
  • Published: 05/25/2006
  • Est. Priority Date: 11/19/2004
  • Status: Active Grant
First Claim
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1. A mixed matrix membrane for separating fluids comprising:

  • a continuous phase polymer with inorganic molecular sieves interspersed therein, the polymer having a CO2/CH4 selectivity of at least 20 and the molecular sieves having a mesoporosity of at least 0.1 cc STP/g wherein;

    the CO2 permeability of the mixed matrix membrane is increased by at least 30% with any decrease in selectivity being no more than 10% relative to a membrane made of the neat polymer.

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