Fraunhofer LBF develops new approach for rapid process stabilization of plastics

Image: Hand with white polymer granules; Copyright: Pressmaster

Copyright: Pressmaster



Studying process stabilization

Image: Diagram of the scheme in which plastic and antioxidants enter the twin-screw extruder (left) and continue to the online rheometer (right); Copyright: Fraunhofer LBF

Scheme of the experimental setup with twin screw extruder and online rheometer. Source: Fraunhofer LBF

Online characterization offers new potential

Image: Graph showing shear viscosity on the y-axis and shear rate on the x-axis, showing different stabilizer proportions; Copyright: Fraunhofer LBF

Flow curves of shear viscosity for various amounts of antioxidant ("Stab"); Copyright: Fraunhofer LBF

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