Abstract
Bio-based molecules show great research potential to achieve alternatives to petrochemically produced products. Therefore, biogenic stabilizers (vanillates, syringates and gallates) were prepared, which were subsequently characterized by various analytical methods. Nuclear magnetic resonance spectroscopy was used for structural elucidation. Thermal stability and thus suitability for polymer processing were confirmed by thermogravimetric measurements. To assess the stabilizing effect, radical efficiency was determined using 2,2-diphenyl-1-picrylhydrazyl assays. Polymer compounds were processed in an extruder as well. In these prolonged extrusion experiments, the stabilizing effect in the melt was revealed.
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