A team of engineers at Purdue University, led by professor Ruanxiulin, are winners of the 2023 GizmodoScienceFair for making the world’s whitest paints. LifeAtPurdue
“In 2021, we published the barium sulfate paint, which is still the whitest on record,” said Xiulin Ruan, a professor of mechanical engineering at Purdue and lead researcher on the project. “That’s suitable for buildings and other stationary infrastructure.”“For large vehicles like commercial airplanes, the paint is not an insignificant part of their weight,” said George Chiu, a professor of mechanical engineering at Purdue whose research focuses on digital printing.
“We wanted to see how the [platelet] shape really affects the performance of the paint,” said Ionna Katsamba, also a PhD student in mechanical engineering at Purdue, who focused on modeling the physics behind the paints. “We found that it was kind of limited in the literature, people really investigating the shapes of nanoparticles and getting the optical properties.
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