Prof Dr Cyrille Boyer
University of New South Wales, Australia
Topic of Presentation:
Engineering nanostructured materials via 3d printing with fully recyclable resins
Scientia Professor Cyrille Boyer is Associate Dean (Research and Training) for the Faculty of Engineering and an Australian Laureate Fellow at the University of New South Wales, who is specialized in synthesizing functional macromolecules for applications in nanomedicine, advanced materials, and energy storage. He has pioneered photoinduced electron/energy transfer – reversible addition fragmentation chain transfer (PET-RAFT) polymerization (an efficient living radical polymerization which can be activated by light), synthetic bioactive macromolecules (such as antimicrobial polymers), and 3D printing methods for precise control over nano- and macro-structures. He has coauthored over 450 articles, which have generated over 44,500 citations, resulting in H-index of 118 (Google Scholar). Boyer's work has earned him over 30 prestigious awards including the 2016 ACS Macro Letters/Biomacromolecules/Macromolecules Young Investigator Award, 2018 IUPAC-Polymer International Young Researcher award, 2015 Lefevre Award from the Australian Academy of Science, and the 2015 Malcolm McIntosh Prize for Physical Science (one of the Prime Minister Prizes for Science). A Highly Cited Researcher every year since 2018, he has also been named among Australia’s top 250 researchers and recognised as a national leader in polymers and plastics by The Australian newspaper.
ENGINEERING NANOSTRUCTURED MATERIALS VIA 3D PRINTING WITH FULLY RECYCLABLE RESINS
Cyrille Boyera,*
aUniversity of Birmingham
Corresponding Author:cboyer@unsw.edu.au
Abstract
Currently, there are no straightforward methods to 3D print materials with nanoscale control over morphological and functional properties. In this talk, a novel approach for the fabrication of materials with controlled nanoscale morphologies using a rapid and commercially available Digital Light Processing 3D printing technique will be presented. The approach uses a controlled/living radical polymerization technique, more specifically, reversible addition-fragmentation chain-transfer (RAFT) polymerization, to control the topologies of the polymers.[1-2] In this talk, we report a rapid visible light mediated polymerization process and applied it to a 3D printing system.[3] Following the optimization of the resin formulation, a variety of 3D printing conditions will be presented to prepare functional materials.[4] The mechanical properties of these 3D printed materials were investigated under different conditions, showing that the control of the polymer structure can affect the performance of these materials.[5] Furthermore, the polymer networks were able to be reactivated after the initial 3D printing process, which allowed the post functionalization of the printed materials via secondary photopolymerization processes, enabling to introduce information.[6] Finally, by controlling the polymer architecture, we were able to precisely control the nanostructure of these 3D printed materials via a polymerization induced microphase separation.[7] The effect of nanostructure on 3D printed material properties will be discussed as well as their potential applications in drug delivery and energy storage, such as their use as solid polymer electrolytes for supercapacitor application. Finally, we will discuss a new approach for the recovery of resin after 3D printing enabling us to recycle these 3D printed materials.
Keywords: Photopolymerization, PET-RAFT, 3D printing
References
[1] A. Bagheri, C. M. Fellows, C. Boyer, Reversible Deactivation Radical Polymerization: From Polymer Network Synthesis to 3D Printing. Adv. Sci. 2021, 8 (5), 2003701.
[2] Z. Zhang, N. Corrigan, A. Bagheri, J. Jin, C. Boyer A Versatile 3D and 4D Printing System through Photocontrolled RAFT Polymerization. Angew. Chem. Inter. Ed. 2019, 58 (50), 17954-17963.
[3] Z. Zhang, N. Corrigan, C. Boyer A Photoinduced Dual-Wavelength Approach for 3D Printing and Self-Healing of Thermosetting Materials. Angew. Chem. Inter. Ed. 2022 134 (11), e202114111
[4]. X. Shi, J. Zhang, N. Corrigan, C. Boyer, Controlling mechanical properties of 3D printed polymer composites through photoinduced reversible addition–fragmentation chain transfer (RAFT) polymerization. Polym. Chem. 2022, 13 (1), 44-57.
[5]. K. Lee, N. Corrigan,C. Boyer, Rapid High-Resolution 3D Printing and Surface Functionalization via Type I Photoinitiated RAFT Polymerization. Angew. Chem. Inter. Ed. 2021, 60 (16), 8839-8850; V. Bobrin, K. Lee, J. Zhang, N. Corrigan, C. Boyer, Nanostructure Control in 3D Printed Materials. Adv. Mater. 2022, 34 (4), 2107643
