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Stereolithographic 3D printing of extrinsically self-healing composites

Sanders, Polly; Young, Adam J.; Qin, Yang; Fancey, Kevin S.; Reithofer, Michael R.; Guillet-Nicolas, Rémy; Kleitz, Freddy; Pamme, Nicole; Chin, Jia Min

Authors

Polly Sanders

Adam J. Young

Yang Qin

Kevin S. Fancey

Michael R. Reithofer

Rémy Guillet-Nicolas

Freddy Kleitz

Jia Min Chin



Abstract

We demonstrate for the first time the direct stereolithographic 3D printing of an extrinsically self-healing composite, comprised of commercial photocurable resin modified with anisole and PMMA-filled microcapsules. The composites demonstrate solvent-welding based autonomous self-healing to afford 87% recovery of the initial critical toughness. This work illustrates the potential of stereolithographic printing to fabricate self-healing composites with user-defined structures, avoiding the need for extensive rheological optimization of printing inks, like in direct-write 3D printing. Importantly, this work also demonstrates the inclusion of microcapsules into 3D printing resins to incorporate additional functionality into printed composites, which could be adapted for applications beyond self-healing materials.

Journal Article Type Article
Publication Date Jan 23, 2019
Journal Scientific Reports
Print ISSN 2045-2322
Electronic ISSN 2045-2322
Publisher Nature Publishing Group
Peer Reviewed Peer Reviewed
Volume 9
Issue 1
Article Number 388
APA6 Citation Sanders, P., Young, A. J., Qin, Y., Fancey, K. S., Reithofer, M. R., Guillet-Nicolas, R., …Chin, J. M. (2019). Stereolithographic 3D printing of extrinsically self-healing composites. Scientific reports, 9(1), https://doi.org/10.1038/s41598-018-36828-9
DOI https://doi.org/10.1038/s41598-018-36828-9

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