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N-Heterocyclic Carbene Functionalized Polymer for Reversible Fixation-Release of CO2

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Indexed by:期刊论文

Date of Publication:2009-08-11

Journal:MACROMOLECULES

Included Journals:SCIE、EI、Scopus

Volume:42

Issue:15

Page Number:5419-5421

ISSN No.:0024-9297

Abstract:An N-hetrocyclic carbene fictionalized synthetic polymer for reversible fixation and release of CO2has been reported. The stability of the fixed CO2in P-NHC-CO2was studied by thermogravimetric analysis (TGA) and CO2released from P-NHC-CO2at elevated temperatures was confirmed by FTIR analysis. The immobilized N-hetrocyclic carbenes reacted rapidly with CO2to afford zwitterionic adducts under temperatures of 20-100 ° C and trapped CO2was quantitatively released by a N2flow at 140 ° C. The results demonstrated the potential application of N-hetrocyclic carbene fictionalized polymers as highly efficient adsorbent for reversible fixation release of CO2with higher fixing efficiency and faster capture rate.

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