Electric mobility and photovoltaics play a vital role in protecting the climate and conserving fossil resources. Combining them leads to even more innovative and sustainable mobility concepts. To show that these kinds of solutions are already feasible using state-of-the-art materials and technologies, a team of around 45 young researchers has developed a solar-powered electric car. Calling themselves “Team Sonnenwagen,” the students from RWTH Aachen University and Aachen University of Applied Sciences.
Covestro AG is supporting this project with materials and technical service and as a gold sponsor. The company wants to use the project to test coatings under the harsh climate conditions prevailing along the race’s route.
Road test: automotive coating with sustainable raw material
The most important product application is a three-layer polyurethane coating from PPG Industries Inc. The coating system is particularly suited to coating body parts made of carbon fibre composites. Climate conditions have a significant impact on the top clearcoat.
The Sonnenwagen uses an innovative automotive refinish coating that contains Covestro’s bio-based hardener Desmodur eco N 7300.
“Some 70 percent of its carbon content comes from biomass. This reduces the environmental footprint by around 30 percent,” said Ulf Wentzien, global head of industrial marketing in the coatings, adhesives, specialities business unit, Covestro.
“The bio-based hardener achieved the highest sustainability standards and meets both our customers’ and our own requirements. The coating is to the same outstanding quality as a polyurethane clearcoat with a conventionally produced hardener,” said Ignasi Roig, EMEA product platform manager at PPG Refinish.
Electric mobility and photovoltaics play a vital role in protecting the climate and conserving fossil resources. Combining them leads to even more innovative and sustainable mobility concepts. To show that these kinds of solutions are already feasible using state-of-the-art materials and technologies, a team of around 45 young researchers has developed a solar-powered electric car. Calling themselves “Team Sonnenwagen,” the students from RWTH Aachen University and Aachen University of Applied Sciences.
Covestro AG is supporting this project with materials and technical service and as a gold sponsor. The company wants to use the project to test coatings under the harsh climate conditions prevailing along the race’s route.
Road test: automotive coating with sustainable raw material
The most important product application is a three-layer polyurethane coating from PPG Industries Inc. The coating system is particularly suited to coating body parts made of carbon fibre composites. Climate conditions have a significant impact on the top clearcoat.
The Sonnenwagen uses an innovative automotive refinish coating that contains Covestro’s bio-based hardener Desmodur eco N 7300.
“Some 70 percent of its carbon content comes from biomass. This reduces the environmental footprint by around 30 percent,” said Ulf Wentzien, global head of industrial marketing in the coatings, adhesives, specialities business unit, Covestro.
“The bio-based hardener achieved the highest sustainability standards and meets both our customers’ and our own requirements. The coating is to the same outstanding quality as a polyurethane clearcoat with a conventionally produced hardener,” said Ignasi Roig, EMEA product platform manager at PPG Refinish.
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