Covestro Runs Successful Research with Partners into Rigid Polyurethane Foam with Carbon Dioxide

February 22 (2021

Since 2016, Covestro has been working with research and development partners as part of the "DreamResource" joint project (FKZ 033RC002) funded by the German Federal Ministry of Education and Research (BMBF) to research new, more environmentally friendly polyols with the potential to be used, for example, in the form of rigid polyurethane foam in insulation for the construction sector. An initial prototype of an insulation board has now been developed together with the project partner puren gmbh, which contains the novel polyols based on conventional ethylene oxides and CO₂. This marks a decisive further development of Covestro's CO₂ technology for a particularly important part of the climate-relevant construction industry.

Covestro has now succeeded in combining the petroleum derivative ethylene oxide with CO₂ in a chemical reaction to produce first polyols and finally rigid polyurethane foam. Up to 20 percent of petroleum-based raw materials are expected to be replaced by this process in the future. Due to the promising combination of ethylene oxide and CO₂, surface-active substances can also be produced through this new route in addition to CO₂-based rigid polyurethane foam, which can be used in insulating boards for buildings, for example.


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