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Open AccessJournal ArticleDOI

Photopolymerization in 3D Printing

Ali Bagheri, +1 more
- Vol. 1, Iss: 4, pp 593-611
TLDR
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.
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
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Journal ArticleDOI

3D printing and growth induced bending based on PET-RAFT polymerization

TL;DR: In this article, the authors further optimized the PET-RAFT 3D printing formulation by replacing RAFT agent CDTPA with BTPA and adjusting the monomer composition, and demonstrated the photodegradation of the photocatalysts EB and EY under 405 nm light.
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Development of Propellant Compositions for Vat Photopolymerization Additive Manufacturing

TL;DR: In this article, a photocurable energetic resin was developed for photopolymerization additive manufacturing and a 30 mm gun setup with 3D-printed propellant was demonstrated through various print trials.
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Rapid UV-Curable Form-Stable Polyethylene-Glycol-Based Phase Change Material

TL;DR: In this article , a form-stable phase change material (FSPCM) is proposed to provide a thermal regulatory coating or complex 3D-printing shapes for irregular surfaces.
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Cross-Linked Nonwoven Fibers by Room-Temperature Cure Blowing and in Situ Photopolymerization

TL;DR: In this paper, the authors present synthetic nonwoven fiber production methods that typically require transforming preformed polymers into a processable melt or solution state by heating or adding organic solvents, respectively.
References
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Journal ArticleDOI

Thiol–Ene Click Chemistry

TL;DR: The radical-mediated thiol-ene reaction has all the desirable features of a click reaction, being highly efficient, simple to execute with no side products and proceeding rapidly to high yield.
Journal ArticleDOI

Hydrogels as Extracellular Matrix Mimics for 3D Cell Culture

TL;DR: The use of both synthetic and natural hydrogels as scaffolds for three-dimensional cell culture as well as synthetic hydrogel hybrids that incorporate sophisticated biochemical and mechanical cues as mimics of the native extracellular matrix are discussed.
Journal ArticleDOI

Polymers for 3D Printing and Customized Additive Manufacturing

TL;DR: Polymers are by far the most utilized class of materials for AM and their design, additives, and processing parameters as they relate to enhancing build speed and improving accuracy, functionality, surface finish, stability, mechanical properties, and porosity are addressed.
Journal ArticleDOI

3D printing of polymer matrix composites: A review and prospective

TL;DR: In this paper, the authors give an overview on 3D printing techniques of polymer composite materials and the properties and performance of 3D printed composite parts as well as their potential applications in the fields of biomedical, electronics and aerospace engineering.
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