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Enzymes successfully embedded in plastics

Scientists master the art of embedded enzymes | Plastics in Packaging

Functionalised plastics are possible thanks to scientific breakthrough June 2, 2021 Researchers at the Fraunhofer Institute for Applied Polymer Research IAP have managed to embed enzymes into plastics without them losing their activity in the process. Enzymes traditionally are unable to withstand the high temperatures that plastics are processed at. Materials that clean themselves, have anti-mould surfaces or are even self-degrading are just a few examples of what will be possible using active enzymes embedded into plastics. Scientists at Fraunhofer IAP have developed a solution as part of its ‘Biofunctionalisation/Biologisation of Polymer Materials BioPol’ project, which has been running since summer 2018 in cooperation with BTU Cottbus-Senftenberg.

Plastics with embedded enzymes could self-clean or self-destruct

Stereocomplex PLA for composites

Stereocomplex PLA for composites 1st June 2021 Researchers at the Fraunhofer Institute for Applied Polymer Research (IAP), based in Potsdam, Germany, have received funding to develop new reinforcing PLA fibres for composites. The challenge is that conventional PLA has a relatively low temperature resistance and technical fibres can be produced most economically using the melt spinning process. The Fraunhofer IAP team has developed more thermally stable stereocomplex PLA (sc-PLA), in which the PLA molecules form a special crystal structure. This allows the production of fibres which have a melting point that is 40-50°C higher than conventional PLA fibres. The researchers are now working with fibre producer Trevia to optimise a melt spinning process for sc-PLA filament yarns.

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