10.1021/cs500259b.s001
Donald J. Darensbourg
Donald J.
Darensbourg
Wan-Chun Chung
Wan-Chun
Chung
Kecheng Wang
Kecheng
Wang
Hong-Cai Zhou
Hong-Cai
Zhou
Sequestering CO<sub>2</sub> for Short-Term Storage
in MOFs: Copolymer Synthesis with Oxiranes
American Chemical Society
2015
HKUST
Sequestering CO 2
CO 2
MOF
2015-12-17 01:57:11
Journal contribution
https://acs.figshare.com/articles/journal_contribution/Sequestering_CO_sub_2_sub_for_Short_Term_Storage_in_MOFs_Copolymer_Synthesis_with_Oxiranes/2032566
It is presently well-established
that the synthesis of polycarbonates
or cyclic carbonates from metal-catalyzed reactions of CO<sub>2</sub> and oxiranes provides a viable industrial process for the production
of these important chemicals. In this study, we have demonstrated
that CO<sub>2</sub> collected under aerobic conditions at atmospheric
pressure over [Cu<sub>3</sub>(btc)<sub>2</sub>(H<sub>2</sub>O)<sub>3</sub>] (btc = benzene-1,3,5-tricarboxylate) or HKUST-1, a commercially
available metal–organic framework material (MOF), can be utilized
to synthesize poly(propylene carbonate) from propylene oxide and CO<sub>2</sub> catalyzed by Co(III) salen catalysts at optimal pressure.
That is, CO<sub>2</sub> thermally released from the MOF material selectively
affords copolymer in the pressure range that is not rate-limiting.
Similar results were noted for the copolymerization of the much less
reactive <i>cis</i>-2-butylene oxide monomer with CO<sub>2</sub>. Comparative studies using CO<sub>2</sub> provided directly
from a compressed gas source gave similar results. This investigation
provides a baseline study for the practical use of atmospheric pressure
or below CO<sub>2</sub> captured from point sources for the synthesis
of useful chemicals without requiring mechanical compression.