Global to push GA events into
skip to main content

Title: Polymeric molecular sieve membranes for gas separation

A porous polymer membrane useful in gas separation, the porous polymer membrane comprising a polymeric structure having crosslinked aromatic groups and a hierarchical porosity in which micropores having a pore size less than 2 nm are present at least in an outer layer of the porous polymer membrane, and macropores having a pore size of over 50 nm are present at least in an inner layer of the porous polymer membrane. Also described are methods for producing the porous polymer membrane in which a non-porous polymer membrane containing aromatic rings is subjected to a Friedel-Crafts crosslinking reaction in which a crosslinking molecule crosslinks the aromatic rings in the presence of a Friedel-Crafts catalyst and organic solvent under sufficiently elevated temperature, as well as methods for using the porous polymer membranes for gas or liquid separation, filtration, or purification.
; ;
Issue Date:
OSTI Identifier:
Patent Number(s):
Application Number:
Contract Number:
Resource Relation:
Patent File Date: 2015 Mar 25
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
Country of Publication:
United States

Other works cited in this record:

Matrices for separation and separation exploiting said matrices
patent, June 2003

Mesoporous permeation layers for use on active electronic matrix devices
patent, September 2007

Highly microporous thermoplastic/bismaleimide semi-interpenetrating polymer network
patent, August 2010

Stable composite material comprising supported porous gels
patent, March 2012

Microporous molecular separation membrane with high hydrothermal stability
patent, October 2012

Hybrid multichannel porous structure for hydrogen separation
patent, July 2013

Oxygen-permeable membrane and method for the production thereof
patent, July 2013

Drug eluting medical devices having porous layers
patent, August 2014

Charge barrier flow-through capacitor
patent-application, November 2002

Ion exchanger
patent-application, October 2003

Composite materials comprising supported porous gels
patent-application, October 2004

Ion adsorption module and method for water treatment
patent-application, June 2005

Column for ion chromatograph, suppressor and ion chromatograph
patent-application, November 2006

Hydrogel preparation and process of manufacture thereof
patent-application, March 2007

Process for removing microbubbles from a liquid
patent-application, May 2007

Medical devices having nanoporous coatings for controlled therapeutic agent delivery
patent-application, August 2008

Stable Composite Material Comprising Supported Porous Gels
patent-application, October 2008

Hot Film Lamination (Vacuum Assisted) for Carpet Backing Applications
patent-application, November 2008

Medical Devices Having Porous Component For Controlled Diffusion
patent-application, June 2009

Method and Apparatus for Condensate Demineralization
patent-application, December 2009

Medical Devices Having Polymeric Nanoporous Coatings for Controlled Therapeutic Agent Delivery and a Nonpolymeric Macroporous Protective Layer
patent-application, August 2010

Porous Carbon Particle and Producing Method of the Same
patent-application, July 2014

Surface-Functionalized Mesoporous Carbon Materials
patent-application, October 2014

Wound Dressing with an Antimicrobial Effect
patent-application, April 2015

Solution-Processed, Organophilic Membrane Derived from a Polymer of Intrinsic Microporosity
journal, March 2004
  • Budd, P. M.; Elabas, E. S.; Ghanem, B. S.
  • Advanced Materials, Vol. 16, Issue 5, p. 456-459
  • DOI: 10.1002/adma.200306053

An Efficient Polymer Molecular Sieve for Membrane Gas Separations
journal, January 2013

Conjugated Microporous Polymers
journal, March 2009

Porous, Crystalline, Covalent Organic Frameworks
journal, November 2005
  • Côté, Adrien P.; Benin, Annabelle I.; Ockwig, Nathan W.
  • Science, Vol. 310, Issue 5751, p. 1166-1170
  • DOI: 10.1126/science.1120411

Nanoporous organic polymer networks
journal, April 2012

Polymers of Intrinsic Microporosity (PIMs): Bridging the Void between Microporous and Polymeric Materials
journal, April 2005
  • McKeown, Neil B.; Budd, Peter M.; Msayib, Kadhum J.
  • Chemistry - A European Journal, Vol. 11, Issue 9, p. 2610-2620
  • DOI: 10.1002/chem.200400860

Preparation of free-standing high quality mesoporous carbon membranes
journal, February 2010

A Superacid-Catalyzed Synthesis of Porous Membranes Based on Triazine Frameworks for CO2 Separation
journal, June 2012
  • Zhu, Xiang; Tian, Chengcheng; Mahurin, Shannon M.
  • Journal of the American Chemical Society, Vol. 134, Issue 25, p. 10478-10484
  • DOI: 10.1021/ja304879c

Similar records in DOepatents and OSTI.GOV collections: