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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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Do The Twist: Efficient Heavy‐Atom‐Free Visible Light Polymerization Facilitated by Spin‐Orbit Charge Transfer Inter‐system Crossing

TL;DR: In this paper , spin-orbit charge transfer intersystem crossing from boron dipyrromethene (BODIPY) dyads bearing twisted aromatic groups is shown to enable efficient visible light polymerizations in the absence of heavy-atoms.
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Material extrusion of thermoplastic acrylic for intraoral devices: Technical feasibility and evaluation

TL;DR: In this article , the authors assessed the practicality of the material extrusion process for acrylic denture bases of which successful outcomes can be extended to implant surgical guides, orthodontic splints, impression trays, record bases and obturators for cleft palates or other maxillary defects.
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Progress in Photocurable 3D Printing of Photosensitive Polyurethane: A Review.

TL;DR: In this paper , a review summarizes and comments on the research and application progress of photocurable 3D printing of photosensitive polyurethanes, analyzing the advantages and shortcomings of this technology, as well as offering an outlook on this rapid development direction.
Journal ArticleDOI

From resin formulation and process parameters to the final mechanical properties of 3D printed acrylate materials

TL;DR: In this paper , the potential of DLP/LCD methods for printed acrylate resins, as well as the steps necessary to achieve a better control over the mechanical properties of printed materials, are discussed.
Book ChapterDOI

Human podiatric disabilities and their correction using a 3D printed technology: a short review

TL;DR: In this paper , a brief overview of types of human podiatry disabilities and their corrections methods using traditional, 3DP technology and its challenges is presented. But, the challenges of 3DP are not discussed.
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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