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1CO2 UTILIZATION DREAMREACTION 1.2 Dream Reactions BMBF Project FKZ 033RC0901 Project Coordinator: Dr. Aurel Wolf, Covestro Project Partner: KIT, Cat Catalytic Center Aachen, TU Dortmund, TU Darmstadt, RWTH Aachen, LIKAT, Max-Planck-Institut für Kolloid- und Grenzflächenforschung 1.2.1 Introduction The main goals of the BMBF-funded ‘Dream Reactions’ project were car- bon utilisation and carbon fixation (BMBF: German Federal Ministry of Education and Research). The challenge was to make CO2 readily available as a cost-effective, non-toxic C1 synthetic building block by developing sus- tainable processes for synthesising monomeric and polymeric carbonates. The overall project was split into two subprojects: ‘Aliphatic Polycarbonates’ (PPP) and ‘Aromatic Carbonates’ (DPC). The ‘Dream Reactions’ project was a collaborative undertaking in which Bayer Technology Services GmbH collaborated with a consortium of researchers from the Karlsruhe Institute of Technology, Dortmund Technical University, Darmstadt Technical University, the Max Planck Institute of Colloids and Interfaces, RWTH Aachen University and the Leibniz Institute for Catalysis at the University of Rostock. At the core of the project was the development of novel chemical technologies for utilising CO2 as an alternative source of carbon. Particular focus was placed on developing innovative and sustain- able chemical processes that would offer not only a significant potential for CO2 fixation but also help to maximise value creation. The development of catalytic systems that enable the resource-efficient and energy-efficient chemical conversion of CO2 as a C1 building block is the foundation under- lying all of these novel chemical processes. The catalysed synthesis of mo- nomeric and polymeric carbonates from CO2 was a central object of study within this BMBF-funded project. The ‘Dream Reactions’ project pursued two main lines of study. One was the development of highly active and selective catalytic systems for synthesising polyether polycarbonate polyols from carbon dioxide and epoxides. These ‘novel’ polyols are very interesting compounds and can be used, for example, as building blocks in the production of polyurethanes. The other area of focus was on the catalytic synthesis of monomeric carbonates like dimethyl and diphenyl carbonate. A number of different synthetic routes were examined, including the direct carboxylation of methanol and the direct carbonylation of phenols and other alcohols. The aim was to gain access to these useful intermediates for the phosgene-free synthesis of conventional polycarbonate structures. 32PDF Image | Chemical Processes and Use of CO2
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