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SCI Article

Polymer nanosieve membranes for CO2-capture applications
Author Park, Ho Bum (WCU Dept Energy Engn); Guiver, Michael D. (WCU Dept Energy Engn);
Corresponding Author Info Guiver, MD (reprint author), Natl Res Council Canada, Inst Chem Proc & Environm Technol, Ottawa, ON K1A 0R6, Canada.
E-mail 씠硫붿씪 븘씠肄
Document Type Article
Source NATURE MATERIALS Volume:10 Issue:5 Pages:372-375 Published:2011
Times Cited 225
External Information PDF 븘씠肄http://dx.doi.org/10.1038/NMAT2989
Abstract Microporous organic polymers (MOPs) are of potential technological significance for gas storage(1-3), gas separation(4) and low-dielectric applications(5). Among many approaches for obtaining such materials, solution-processable MOPs derived from rigid and contorted macromolecular structures are promising because of their excellent mass transport and mass exchange capability. Here we show a class of amorphous MOP, prepared by [2 + 3] cycloaddition modification of a polymer containing an aromatic nitrile group with an azide compound, showing super-permeable characteristics and outstanding CO2 separation performance, even under polymer plasticization conditions such as CO2/light gas mixtures. This unprecedented result arises from the introduction of tetrazole groups into highly microporous polymeric frameworks, leading to more favourable CO2 sorption with superior affinity in gas mixtures, and selective CO2 transport by presorbed CO2 molecules that limit access by other light gas molecules. This strategy provides a direction in the design of MOP membrane materials for economic CO2 capture processes.
Web of Science Categories Chemistry, Physical; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter
Funding Climate Change Technology and Innovation Initiative; Greenhouse Gas project (CCTII, GHG); Natural Resources Canada (NRCan); Vaperma; Ministry of Education, Science and Technology [R31-2008-000-10092-0]
Language English
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