materialsscienceandengineering:
Swedish scientists use wood to create biodegradable, renewable alternative to Styrofoam
Maybe soon we can say goodbye to polystyrene, the petroleum-based material that is used to make Styrofoam. In what looks like an ordinary bicycle helmet, Swedish designers have replaced Styrofoam with a new shock-absorbing material made with renewable and biodegradable wood-based material.
Researcher Lars Wågberg, a professor in Fibre Technology at Stockholm’s KTH Royal Institute of Technology, says the wood-based foam material offers comparable properties to Styrofoam.
“But even better, it is from a totally renewable resource—something that we can produce from the forest,” Wågberg says.
That’s a big plus for a country where forests are planted and harvested continuously, much like any other cash crop.
Trademarked under the name, Cellufoam, the material was developed by Wågberg together with Lennart Bergström, professor in Material Chemistry at Stockholm University, and Nicholas Tchang Cervin, a former PhD student at KTH, in theWallenberg Wood Science Center (WWSC).
Cool.
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