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Discussing current issues in engineering

Styrofoam Alternatives

5/14/2019

 
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Researchers at Washington State University have recently developed a plant-based insulation alternative to Styrofoam, according to this article on Science Daily.

Styrofoam is a popular material because it’s cheap and good for insulation—you might recognize it from takeout boxes and disposable coffee cups. However, Styrofoam is made from petroleum, it doesn’t degrade naturally (similar to plastic), and burning it is harmful to the environment.

This new plant-based alternative is created from 75% cellulose nanocrystals from wood pulp. The new material is lightweight, degrades well, and is far better for the environment even if disposed of. In fact, the new material appears to be a better insulator than Styrofoam.

Researcher Xiao Zhang, associate professor at the Gene and Linda School of Chemical Engineering and Bioengineering who was interviewed for the article, states that this material “has many desirable properties, and to be able to transfer these properties to a bulk sale for the first time through this engineered approach is very exciting.”

​Innovations like this are very exciting because they bring us one step closer to a more environmentally sustainable future. The best way to stop manufacturing existing harmful materials is to create better alternatives, and researchers at Washington State are doing just that.

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