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Photopolymerization in 3D Printing

Ali Bagheri, +1 more
- Vol. 1, Iss: 4, pp 593-611
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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 printed microneedles for transdermal drug delivery: A brief review of two decades

TL;DR: In this article, a review of the last successes in 3D printed microneedle-based patches is presented, after the evaluation of various types of MNs and fabrication techniques, they will study different 3D printing approaches applied for MN patch fabrication.
Journal ArticleDOI

3D Printing of Covalent Functionalized Graphene Oxide Nanocomposite via Stereolithography

TL;DR: This work demonstrates the first successful 3D printing of the functionalized GO nanocomposite via stereolithography (SL), forming a complex structure with consistently high fidelity and enhanced material properties with potential for various industry applications.
Journal ArticleDOI

Moving Towards a Finer Way of Light-Cured Resin-Based Restorative Dental Materials: Recent Advances in Photoinitiating Systems Based on Iodonium Salts

Monika Topa, +1 more
- 15 Sep 2020 - 
TL;DR: The challenges faced when using the latest inventions in the field of dental materials are represented, with a particular focus on photoinitiating systems based on iodonium salts.
Journal ArticleDOI

Thiol–yne chemistry for 3D printing: exploiting an off-stoichiometric route for selective functionalization of 3D objects

TL;DR: In this paper, an alkyne monomer bis(propargyl) fumarate is synthesized and used to produce DLP-3D printable formulations with a thiol exploiting photoinduced thiol-yne reaction.
Journal ArticleDOI

Recent advances on visible light photoinitiators of polymerization based on Indane-1,3-dione and related derivatives

TL;DR: In this article, an overview of the different visible light photoinitiators based on indane-1,3-dione and derivatives is provided, and a comparison with reference compounds is provided.
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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