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Materials
Solar race car tests biobased hardener
by Melody M. Bomgardner
October 9, 2017
| A version of this story appeared in
Volume 95, Issue 40
This week, 40 teams will race solar-powered cars from Darwin to Adelaide, Australia, a distance of 3,000 km. Covestro will take advantage of the region’s harsh conditions—45 °C temperatures and strong ultraviolet radiation— to test the performance of its 70% biobased coating hardener. Made from pentamethylene diisocyanate, it’s part of a urethane coating system from PPG Industries. The coating will grace the Sonnenwagen race car, designed by students at Germany’s RWTH Aachen University and Aachen University of Applied Sciences.
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