A Review of Multi-Material 3D Printing of Functional Materials via Vat Photopolymerization

Additive manufacturing or 3D printing of materials is a prominent process technology which involves the fabrication of materials layer-by-layer or point-by-point in a subsequent manner. With recent advancements in additive manufacturing, the technology has excited a great potential for extension of...

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Main Authors: Usman Shaukat, Elisabeth Rossegger, Sandra Schlögl
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:Polymers
Subjects:
Online Access:https://www.mdpi.com/2073-4360/14/12/2449
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author Usman Shaukat
Elisabeth Rossegger
Sandra Schlögl
author_facet Usman Shaukat
Elisabeth Rossegger
Sandra Schlögl
author_sort Usman Shaukat
collection DOAJ
description Additive manufacturing or 3D printing of materials is a prominent process technology which involves the fabrication of materials layer-by-layer or point-by-point in a subsequent manner. With recent advancements in additive manufacturing, the technology has excited a great potential for extension of simple designs to complex multi-material geometries. Vat photopolymerization is a subdivision of additive manufacturing which possesses many attractive features, including excellent printing resolution, high dimensional accuracy, low-cost manufacturing, and the ability to spatially control the material properties. However, the technology is currently limited by design strategies, material chemistries, and equipment limitations. This review aims to provide readers with a comprehensive comparison of different additive manufacturing technologies along with detailed knowledge on advances in multi-material vat photopolymerization technologies. Furthermore, we describe popular material chemistries both from the past and more recently, along with future prospects to address the material-related limitations of vat photopolymerization. Examples of the impressive multi-material capabilities inspired by nature which are applicable today in multiple areas of life are briefly presented in the applications section. Finally, we describe our point of view on the future prospects of 3D printed multi-material structures as well as on the way forward towards promising further advancements in vat photopolymerization.
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spelling doaj.art-03c78db93f224375b8fc57bf71b361752023-11-23T18:38:06ZengMDPI AGPolymers2073-43602022-06-011412244910.3390/polym14122449A Review of Multi-Material 3D Printing of Functional Materials via Vat PhotopolymerizationUsman Shaukat0Elisabeth Rossegger1Sandra Schlögl2Polymer Competence Center Leoben GmbH, Roseggerstrasse 12, 8700 Leoben, AustriaPolymer Competence Center Leoben GmbH, Roseggerstrasse 12, 8700 Leoben, AustriaPolymer Competence Center Leoben GmbH, Roseggerstrasse 12, 8700 Leoben, AustriaAdditive manufacturing or 3D printing of materials is a prominent process technology which involves the fabrication of materials layer-by-layer or point-by-point in a subsequent manner. With recent advancements in additive manufacturing, the technology has excited a great potential for extension of simple designs to complex multi-material geometries. Vat photopolymerization is a subdivision of additive manufacturing which possesses many attractive features, including excellent printing resolution, high dimensional accuracy, low-cost manufacturing, and the ability to spatially control the material properties. However, the technology is currently limited by design strategies, material chemistries, and equipment limitations. This review aims to provide readers with a comprehensive comparison of different additive manufacturing technologies along with detailed knowledge on advances in multi-material vat photopolymerization technologies. Furthermore, we describe popular material chemistries both from the past and more recently, along with future prospects to address the material-related limitations of vat photopolymerization. Examples of the impressive multi-material capabilities inspired by nature which are applicable today in multiple areas of life are briefly presented in the applications section. Finally, we describe our point of view on the future prospects of 3D printed multi-material structures as well as on the way forward towards promising further advancements in vat photopolymerization.https://www.mdpi.com/2073-4360/14/12/24493D printingvat photopolymerizationmultimaterialsstep-growthchain-growthcationic polymerization
spellingShingle Usman Shaukat
Elisabeth Rossegger
Sandra Schlögl
A Review of Multi-Material 3D Printing of Functional Materials via Vat Photopolymerization
Polymers
3D printing
vat photopolymerization
multimaterials
step-growth
chain-growth
cationic polymerization
title A Review of Multi-Material 3D Printing of Functional Materials via Vat Photopolymerization
title_full A Review of Multi-Material 3D Printing of Functional Materials via Vat Photopolymerization
title_fullStr A Review of Multi-Material 3D Printing of Functional Materials via Vat Photopolymerization
title_full_unstemmed A Review of Multi-Material 3D Printing of Functional Materials via Vat Photopolymerization
title_short A Review of Multi-Material 3D Printing of Functional Materials via Vat Photopolymerization
title_sort review of multi material 3d printing of functional materials via vat photopolymerization
topic 3D printing
vat photopolymerization
multimaterials
step-growth
chain-growth
cationic polymerization
url https://www.mdpi.com/2073-4360/14/12/2449
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