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Biomass Technology

Researchers develop bioplastic that protects against UV radiation

A team of researchers in Finland has developed a new bioplastic that, unlike traditional carbon-based plastics or other bioplastics, provides protection from the sun’s ultraviolet (UV) radiation.

The researchers from the University of Oulu developed a biomass-based copolymer whose bisfuran structure was found to effectively prevent UV radiation from passing through a film made from the material.  According to the researchers, “the transparency of the bioplastic is still good. In addition, the airtightness of the material is 3-4 times that of standard PET plastic”.

The study from Oulu (@UniOulu) shows that it is possible to develop bioplastics that have better properties than the fossil-based plastics that are currently produced. For example, the new environmentally-friendly bioplastic is suitable for protecting products from direct sunlight. High-tech applications such as chassis materials for printed electronics also require advanced material protection features.

The biopolymer developed in Oulu is entirely biomass based, the researchers said. The raw materials used in production are hydroxymethylfurfural (HMF) and furfural, which are biorefinery products derived from cellulose and hemicellulose.

By chemically linking these, the researchers were able to create copolymer parts with both bisfuran and furan-like structures. A patent application has been filed for this method.

If you were interested in this bioeconomy story, you may also be interested in the ones below.

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Read: Corbion and Total launch ‘second-largest PLA bio-plastics plant in the world’ in Thailand.

Read: Oil heavyweight Total acquires French plastics recycling specialist Synova.

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