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Carbon2Polymer: A CO2-based Route to Polyurethanes via Oxidative Carbonylation of TDA with Methyl Formate

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Leitner,  Walter
Research Department Leitner, Max Planck Institute for Chemical Energy Conversion, Max Planck Society;
Institut für Technische Chemie und Makromolekulare Chemie, Rheinisch‐Westfälische Technische Hochschule Aachen, Worringer Weg 1, 52074 Aachen, Germany;

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Citation

Hussong, C., Langanke, J., & Leitner, W. (2020). Carbon2Polymer: A CO2-based Route to Polyurethanes via Oxidative Carbonylation of TDA with Methyl Formate. SI, 92(10), 1482-1488. doi:10.1002/cite.202000031.


Cite as: http://hdl.handle.net/21.11116/0000-0007-B368-A
Abstract
The Carbon2Polymer project involves a multistep reaction sequence for the non-phosgene synthesis of the high-value polymer precursor toluene-2,4-diisocyanate (TDI) starting from carbon dioxide. The present study of the oxidative carbonylation revealed that for the intermediate toluene-2,4-dicarbamate (TDC) the productivity is highest with Pd@ZrO2, followed by Pd@CeO2. As one of the side products which are formed in parallel and consecutive reactions the methylene-bridged dimer "TDCCH2TDC" (5) has a promising potential for industrial application.