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Scientists invent popcorn-based home insulation material that’s waterproof and biodegradable
Key Excerpts from Article on Website of The Independent (One of the UK's Leading Newspapers)
Posted: December 27th, 2023
https://www.independent.co.uk/news/science/popcorn-home-insu...
Popcorn could soon be used to create sustainable insulation for buildings, replacing the current non-biodegradable materials. Scientists have invented a method to create sustainable building insulation boards using “granulated” popcorn with “excellent” thermal insulation properties and good protection against fire. The plant-based, environmentally friendly material is a sustainable alternative to current building insulation products that are derived from petroleum, said scientists from the University of Göttingen in Germany. About 90 per cent of the materials currently used to make insulation for buildings are made of plastics or mineral fibre, which are non-biodegradable, according to the scientists. These materials generate carbon dioxide during their manufacturing stages and are also rarely recycled when a building is torn down, contributing to pollution and making them unsustainable. Conventional insulating materials made of polystyrene also tend to damage the environment, the scientists pointed out. On the contrary, the researchers said, granulated popcorn is similar to polystyrene and just as lightweight, without having the synthetic material’s downsides. “This new process, based on that of the plastics industry, enables the cost-effective production of insulation boards at an industrial scale,” Alireza Kharazipour, head of the research group from the University of Göttingen, said in a statement.
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