Three-dimensional (3D) printed poly (ethylene glycol) diacrylate (PEGDA) objects have been reinforced with 1%, 3% and 5% silica (Si02) nanoparticles. Rheological characterizations were conducted for each formulation and 3D-printed using a stereolithographic apparatus (SLA) 3D printer. The tensile and compressive properties of the as-printed nanocomposites were investigated and compared with unreinforced samples. Additionally, the mechanical properties of the objects before and after swelling the samples in deionized water were compared with as-printed ones. Adding Si02 increased the tensile and compressive strengths of the 3D-printed PEGDA. The tensile and compressive strengths of swollen PEGDA/Si02 nanocomposite specimens were generally higher than the unswollen specimens.
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This work is supported by the Department of Science and Technology — Philippine Council for Industry, Energy, and Emerging Technology Research and Development (DOST-PCIEERD) and PETRO Case and the Honeywell-KCNSC Polymer 3D printing consortium (Dr. Jamie Messman and Dr. Dan Bowen).
The supplementary material for this article can be found at https://doi.org/10.1557/mrc.2018.188
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Dizon, J.R.C., Chen, Q., Valino, A.D. et al. Thermo-mechanical and swelling properties of three-dimensional-printed poly (ethylene glycol) diacrylate/silica nanocomposites. MRS Communications 9, 209–217 (2019). https://doi.org/10.1557/mrc.2018.188