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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

Correcting ray distortion in tomographic additive manufacturing.

TL;DR: In this article, the authors demonstrate how the lensing effect can be computationally corrected by resampling the parallel-beam radon transform into an aberrated geometry, which can be used for correcting non-telecentricity inherent in most optical projection systems.
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Vegetable Oils as Sustainable Inks for Additive Manufacturing: A Comparative Study

TL;DR: The use of biobased materials in additive manufacturing is arising as a promising approach to modernize the polymer industry reducing its environmental impact as mentioned in this paper, and a novel sustainable formulation is proposed.
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Visible-light-induced ultrafast preparation of PDMS membrane for the pervaporative separation of furfural

TL;DR: In this article , a visible-light-induced polymerized PDMS membrane for the pervaporative separation of furfural was developed, and the results showed that the absorbance of TPO-L matches 405 nm of the visible light region; and it can be well dispersed and compatible with PDMS and obtain high initiation efficiency.
Journal ArticleDOI

Two‐Photon Polymerization Lithography for Optics and Photonics: Fundamentals, Materials, Technologies, and Applications

TL;DR: Two-photon polymerization lithography (TPL) has been widely employed in diverse fields, for example, life sciences, materials sciences, mechanics, and microfluidics as discussed by the authors .
Journal ArticleDOI

High-performance LED induces cationic photopolymerization using novel 1,3,5-triaryl-2-pyrazoline as photosensitizer

TL;DR: A series of 1,3,5-triaryl-2-pyrazolines was designed and synthesized as photosensitizers for cationic photopolymerization (CP) as mentioned in this paper.
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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