Antimony Tin Oxide as a Nano Reinforcement Component for Acrylonitrile Styrene Acrylate in Material Extrusion Additive Manufacturing: Rheology and Thermomechanical Scores

ABSTRACT In this study, the influence of incorporating Antimony Tin Oxide (ATO) filler into the Acrylonitrile Styrene Acrylate (ASA) pure polymer matrix was investigated, focusing on the mechanical, thermomechanical/thermochemical, and overall quality of 3D printed ASA/ATO nanocomposites. The aim was to introduce novel ceramic‐based nanocomposites in material extrusion 3D printing, expanding its use and performance in outdoor applications. The influence of adding small to moderate to high ATO loading on the properties of the various ASA/ATO composites was closely monitored. The compositional range of the ATO filler content in the pure ASA polymer matrix was between 2 wt. % and 12 wt. % in 2 wt. % intervals. The results showed that the incorporation of ATO into the ASA pure polymer matrix enhanced the overall mechanical properties (by more than 15%) and characteristics of the ASA/ATO composites produced (quality, porosity, and geometrical accuracy improved by more than 15%, thermal stability, etc.). They also aimed to shed more light on the overall behavior of ASA composites bearing inorganic (ceramic) filler loadings. This study provides a thorough investigation of ASA/ATO composites and elucidates their overall quality and performance.