Journal
POLYMER
Volume 55, Issue 16, Pages 3642-3647Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2014.06.074
Keywords
Triptycene; Porous polyimides; CO2 capture
Categories
Funding
- National Natural Science Foundation of China [20902031, 21272292]
- National Basic Research Program [2012CB932500]
- Fundamental Research Funds for the Central Universities [HUST 2013YGYL003]
- Natural Science Foundation of Hubei Province [2013CFB163]
- Wuhan ChenGuang Program [201150431118]
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A series of triptycene-based porous polyimides (STPIs) were synthesized by condensation polymerizations. The structure and properties of these STPIs were characterized by IR, solid C-13 NMR, powder XRD, SEM, TEM and gas absorption. As SIPI-2 with the high thermal stability, they display excellent adsorption ability to CO2 uptake capacity of 14.6 wff (273 K), and exhibit the high selectivity of CO2/N-2 of 107. (C) 2014 Elsevier Ltd. All rights reserved.
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