Photopolymerization in 3D Printing
Ali Bagheri,Jianyong Jin +1 more
- 20 Feb 2019
- Vol. 1, Iss: 4, pp 593-611
1K
TL;DR: The field of 3D printing is continuing its rapid development in both academic and industrial research environments as mentioned in this paper, which offers flexibility over the final properties of the 3D printed materials (such as optical, chemical and mechanical properties) using versatile polymer chemistry.
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Abstract: The field of 3D printing is continuing its rapid development in both academic and industrial research environments. The development of 3D printing technologies has opened new implementations in rapid prototyping, tooling, dentistry, microfluidics, biomedical devices, tissue engineering, drug delivery, etc. Among different 3D printing techniques, photopolymerization-based process (such as stereolithography and digital light processing) offers flexibility over the final properties of the 3D printed materials (such as optical, chemical, and mechanical properties) using versatile polymer chemistry. The strategy behind the 3D photopolymerization is based on using monomers/oligomers in liquid state (in the presence of photoinitiators) that can be photopolymerized (via radical or cationic mechanism) upon exposure to light source of different wavelengths (depending on the photoinitiator system). An overview of recent evolutions in the field of photopolymerization-based 3D printing and highlights of novel 3D print...
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Citations
Visible Light-Induced Transformation of Polymer Networks
Ali Bagheri,Chris William Anderson Bainbridge,Jianyong Jin +2 more
- 17 Jun 2019
TL;DR: In this paper, a photoexpandable/transformable polymer networks (PET-PNs) are fabricated using a trithiocarbonate chain transfer agent, dibenzyl trithionyl tritiocarate (DBTTC), that can be activated by either photoredox catalysis or direct photolysis (photoiniferter) mechanisms.
37
Solvent-Free Three-Dimensional Printing of Biodegradable Elastomers Using Liquid Macrophotoinitiators
Matthias Sandmeier,Nevena Paunović,Riccardo Conti,Leopold Hofmann,Jieping Wang,Zhi Luo,Kunal Masania,Na Wu,Nicole Kleger,Fergal Coulter,André R. Studart,Hansjörg Grützmacher,Jean-Christophe Leroux,Yinyin Bao +13 more
37
Embedded extrusion printing in yield-stress-fluid baths
TL;DR: In this paper , a review of state-of-the-art developments in the field of embedded extrusion printing in yield-stress fluids (YSFs) is presented, with a focus on the physical characteristics of the YSF support baths and the yielding transition mechanism by which they serve as in situ support for extruded inks.
37
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