Researchers have come up with a new, more eco-friendly and effective form of building insulation material. The new material was developed due to the shortcomings of the traditional polyurethane-based foam insulators. These traditional insulators harm the environment via the release of volatile compounds into the atmosphere. A group of engineers from the University of North Texas College of Engineering led the research. The engineers, led by Professor Nandika D’Souza of the Department of Mechanical Engineering, have been working on the project since 2018. D’Souza’s lab earned a National Science Foundation grant worth $302,285 to help find a solution to the shortcomings of the conventional insulators. After much research, the team revealed a new type of insulation material, which is less harmful to the environment . By mixing corn-based polylactic acid with cellulose, in combination with supercritical carbon-dioxide, researchers found they could create an environmentally friendly product. This type of insulator is not only safe but also combustible and decomposable. “PLA on its own was good, but we found it wasn’t as strong as the conventional insulation, so we came up with the idea of mixing cellulose in,” D’Souza said. “ Cellulose is a degradable fiber and is often found […]

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