Journal
MACROMOLECULES
Volume 54, Issue 19, Pages 9019-9026Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.macromol.1c01070
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Funding
- National Natural Science Foundation of China [21788102, 21525417]
- Natural Science Foundation of Guangdong Province [2019B030301003, 2016A030312002]
- Innovation and Technology Commission of Hong Kong [ITCCNERC14S01]
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This study developed a new one-pot multicomponent tandem polymerization method to directly convert CO2 into luminescent polymers with aggregation-enhanced emission property. The synthesized polymers exhibit good thermal stability and high molecular weights, providing a new pathway for transforming CO2 into luminescent polymers via a simple and efficient synthesis route.
Using carbon dioxide (CO2) as a feedstock to synthesize various polymers has drawn much attention. One-pot multicomponent tandem polymerization (MCTP) with great synthetic simplicity and efficiency is a powerful strategy for the synthesis of new CO2-based luminescent polymers. In this work, we successfully developed a new one-pot MCTP combining three sequential carboxylation-cyclization-esterification reactions of CO2, diynes, and alkyl dihalides to directly convert CO2 into luminescent polymers with aggregation-enhanced emission (AEE) property. This MCTP could be facilely performed in N,N-dimethylacetamide in the presence of a cheap catalyst CuI and an organic base 7-methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene under atmospheric pressure. A series of poly(beta-alkoxyacrylate)s with well-defined structures and high molecular weights (M-w up to 15400) were obtained in high yields (up to 96%). The resultant polymers possess good thermal stability with high decomposition temperatures and high char yields. Because of polymerization-induced emission (PIE) effect, the nonluminescent monomers could be converted to luminescent poly(beta-alkoxyacrylate)s with AEE features. Thus, this work provides a new pathway to directly transform CO2 into luminescent polymers via a one-pot MCTP strategy.
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