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1CO2 UTILIZATION DREAMPOLYMERS Abb. 27: Work packages in the ‘Dream Polymers’ collaborative project. Basic materials Reaction Catalysis Mechanism Trace-measures Methods Material preparation and supply of the CO2, the initial polymerisation experiments in- volving reactive formaldehyde and CO2 and the subsequent analysis of the chemical kinetics and the reaction parameters. The focus in Work Package 2 (WP2) ‘Reaction’ was on conducting a broad catalyst screening campaign aimed at identifying metal-based Lewis acid catalysts and nucleophilic orga- nocatalysts that could serve as potential candidates for synthesising low mol- ecular weight and high molecular weight polymethylene carbonate polyols. The online and ex situ datasets on the reaction profile and reaction kinetics formed the basis for Work Package 3 (WP3) ‘Process’ in which they were com- bined with empirical physicochemical data in order to develop a number of reactor concepts for the proposed polymerisation, to design an experimental plant and to conduct simulations for possible later scale-up. In Work Package 4 (WP4) ‘Materials’ sample quantities of the polymethylene carbonate polyol product were converted to polyurethanes and the mechanical and rheological properties were characterised with respect to its potential role as a POM alter- native. Work Package 5 (WP5) ‘Accompanying measures’ ran for the duration of the entire project and included a life cycle analysis (LCA) and an examina- tion of the value chain. An overview of the component work packages that made up the collaborative project is shown in Figure 27. Provision CO2 Basics Conception Reactor Test facility Low molecular materials Activation/ Formulation/ Formaldehyde High molecular materials 76PDF Image | Chemical Processes and Use of CO2
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