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Title: Impact of tuning CO2-philicity in polydimethylsiloxane-based membranes for carbon dioxide separation

Journal Article · · Journal of Membrane Science
 [1];  [2];  [2];  [1];  [3];  [3];  [1];  [1];  [1];  [2]
  1. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Chemistry
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Chemical Sciences Division
  3. Univ. of California, Riverside, CA (United States). Dept. of Chemistry

Amidoxime-functionalized polydimethylsiloxane (AO-PDMSPNB) membranes with various amidoxime compositions were synthesized via ring-opening metathesis polymerization followed by post-polymerization modification. Compared to other previously reported PDMS-based membranes, the amidoxime-functionalized membranes show enhanced CO2 permeability and CO2/N2 selectivity. The overall gas separation performance (CO2 permeability 6800 Barrer; CO2/N2 selectivity 19) of the highest performing membrane exceeds the Robeson upper bound line, and the excellent permeability of the copolymer itself provides great potential for real world applications where huge volumes of gases are separated. This study details how tuning the CO2-philicity within rubbery polymer matrices influences gas transport properties. Key parameters for tuning gas transport properties are discussed, and the experimental results show good consistency with theoretical calculations. Finally, this study provides a roadmap to enhancing gas separation performance in rubbery polymers by tuning gas solubility selectivity.

Research Organization:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
Sponsoring Organization:
USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE Office of Fossil Energy (FE); USDOE Office of Science (SC), Basic Energy Sciences (BES); Univ. of Tennessee (United States). Joint Directed Research and Development (JDRD) Program
Contributing Organization:
Univ. of California, Riverside, CA (United States)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1347341
Alternate ID(s):
OSTI ID: 1414956
Journal Information:
Journal of Membrane Science, Vol. 530; ISSN 0376-7388
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 22 works
Citation information provided by
Web of Science

References (51)

Likelihood of climate change pathways under uncertainty on fossil fuel resource availability journal January 2016
The upper bound revisited journal July 2008
Basis of Permeability/Selectivity Tradeoff Relations in Polymeric Gas Separation Membranes journal January 1999
Power plant post-combustion carbon dioxide capture: An opportunity for membranes journal September 2010
Advances in high permeability polymer-based membrane materials for CO 2 separations journal January 2016
Recent advances in the fabrication of advanced composite membranes journal January 2013
Gas separation membranes from polymers of intrinsic microporosity journal April 2005
Synthesis, Characterization, and Gas Permeation Properties of a Novel Group of Polymers with Intrinsic Microporosity: PIM-Polyimides journal October 2009
Polymers of intrinsic microporosity (PIMs): organic materials for membrane separations, heterogeneous catalysis and hydrogen storage journal January 2006
Thermally rearranged (TR) polymer membranes for CO2 separation journal September 2010
Thermally rearranged (TR) poly(benzoxazole-co-pyrrolone) membranes tuned for high gas permeability and selectivity journal March 2010
Highly gas permeable and microporous polybenzimidazole membrane by thermal rearrangement journal July 2010
Effect of film thickness on the changes in gas permeability of a glassy polyarylate due to physical agingPart I. Experimental observations journal January 2000
Flammability and thermal stability studies of polymer layered-silicate (clay) nanocomposites journal September 1999
Polydimethylsiloxane thermal degradation Part 1. Kinetic aspects journal March 2001
Mechanical characterization of magnetic nanowire–polydimethylsiloxane composites journal January 2009
Elastic properties of β-SiC films by Brillouin light scattering journal March 2004
Gas sorption, diffusion, and permeation in poly(dimethylsiloxane) journal February 2000
Effect of Cross-Link Density on Carbon Dioxide Separation in Polydimethylsiloxane-Norbornene Membranes journal October 2015
Polymers with Cavities Tuned for Fast Selective Transport of Small Molecules and Ions journal October 2007
Thermally Rearranged (TR) Poly(ether−benzoxazole) Membranes for Gas Separation journal March 2011
Materials selection guidelines for membranes that remove CO2 from gas mixtures journal April 2005
PEG modified poly(amide-b-ethylene oxide) membranes for CO2 separation journal January 2008
Molecular-level mixed matrix membranes comprising Pebax® and POSS for hydrogen purification via preferential CO2 removal journal October 2010
Pebax®/polyethylene glycol blend thin film composite membranes for CO2 separation: Performance with mixed gases journal August 2008
Gas Permeation Behavior of Pebax-1657 Nanocomposite Membrane Incorporated with Multiwalled Carbon Nanotubes journal June 2010
Pebax-1657 nanocomposite membranes incorporated with nanoparticles/colloids/carbon nanotubes for CO 2 /N 2 and CO 2 /H 2 separation journal June 2013
Targeted gas separations through polymer membrane functionalization journal January 2015
High-Performance Carboxylated Polymers of Intrinsic Microporosity (PIMs) with Tunable Gas Transport Properties journal August 2009
Polymer nanosieve membranes for CO2-capture applications journal April 2011
Polymers of intrinsic microporosity (PIMs) substituted with methyl tetrazole journal September 2012
Amidoximes: promising candidates for CO2 capture journal January 2011
Amidoxime porous polymers for CO2 capture journal January 2013
Enhanced CO2/N2 selectivity in amidoxime-modified porous carbon journal February 2014
Pure- and mixed-gas CO2/CH4 separation properties of PIM-1 and an amidoxime-functionalized PIM-1 journal May 2014
Noninvasive functionalization of polymers of intrinsic microporosity for enhanced CO2 capture journal January 2012
van der Waals Volumes and Radii journal March 1964
Polysiloxanes with pendent bulky groups having amino-hydroxy functionality: Structure–permeability correlation journal April 2007
Performance of nitrile-containing anions in task-specific ionic liquids for improved CO2/N2 separation journal May 2010
Electronic structure calculations on workstation computers: The program system turbomole journal October 1989
Ab Initio Screening of CO2-philic Groups journal April 2015
Chelating polymer granules prepared by radiation-induced homopolymerization. I?Kinetic study of radiation polymerization process journal January 2000
Uranium Adsorbent Fibers Prepared by Atom-Transfer Radical Polymerization (ATRP) from Poly(vinyl chloride)- co -chlorinated Poly(vinyl chloride) (PVC- co -CPVC) Fiber journal December 2015
Sol−Gel Preparation of PDMS/Silica Hybrid Antireflective Coatings with Controlled Thickness and Durable Antireflective Performance journal November 2010
Formation of more stable hydrophilic surfaces of PDMS by plasma and chemical treatments journal April 2006
Radiation synthesis, characterization and amidoximation of N-vinyl-2-pyrrolidone/acrylonitrile interpenetrating polymer networks journal February 1999
Preparation of hydrophilic amidoxime fibers by cografting acrylonitrile and methacrylic acid from an optimized monomer composition journal October 2000
Cyclic Imide Dioximes: Formation and Hydrolytic Stability journal May 2012
Fine Fibrous Amidoxime Adsorbent Synthesized by Grafting and Uranium Adsorption–Elution Cyclic Test with Seawater journal January 2004
Hydrogen bond patterns in aromatic and aliphatic dioximes journal January 2003
Selection of barrier materials from molecular structure journal January 1980

Cited By (2)

Density functional calculations of efficient H 2 separation from impurity gases (H 2 , N 2 , H 2 O, CO, Cl 2 , and CH 4 ) via bilayer g-C 3 N 4 membrane journal April 2019
Preparation and characterization of CO 2 ‐selective Pebax/NaY mixed matrix membranes journal August 2019