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A Tripropylene Glycol Diacrylate-based Polymeric Support Ink for Material Jetting

Aboulkhair, Nesma; He, Yinfeng; Zhang, Fan; Saleh, Ehab; Vaithilingam, Jayasheelan; Aboulkhair, Nesma T.; Begines, Belen; Tuck, Chris J.; Hague, Richard J.M.; Ashcroft, Ian A.; Wildman, Ricky D.

Authors

Nesma Aboulkhair

YINFENG HE Yinfeng.He@nottingham.ac.uk
Transitional Assistant Professor

Fan Zhang

Ehab Saleh

Jayasheelan Vaithilingam

Nesma T. Aboulkhair

Belen Begines

CHRISTOPHER TUCK CHRISTOPHER.TUCK@NOTTINGHAM.AC.UK
Professor of Materials Engineering

RICHARD HAGUE RICHARD.HAGUE@NOTTINGHAM.AC.UK
Professor of Additive Manufacturing

IAN ASHCROFT IAN.ASHCROFT@NOTTINGHAM.AC.UK
Professor of Mechanics of Solids

RICKY WILDMAN RICKY.WILDMAN@NOTTINGHAM.AC.UK
Professor of Multiphase Flow and Mechanics



Abstract

© 2017 Support structures and materials are indispensable components in many Additive Manufacturing (AM) systems in order to fabricate complex 3D structures. For inkjet-based AM techniques (known as Material Jetting), there is a paucity of studies on specific inks for fabricating such support structures. This limits the potential of fabricating complex 3D objects containing overhanging structures. In this paper, we investigate the use of Tripropylene Glycol Diacrylated (TPGDA) to prepare a thermally stable ink with reliable printability to produce removable support structures in an experimental Material Jetting system. The addition of TGME to the TPGDA was found to considerably reduce the modulus of the photocured structure from 575MPa down to 27MPa by forming micro-pores in the cured structure. The cured support structure was shown to be easily removed following the fabrication process. During TG-IR tests the T 5% temperature of the support structure was above 150°C whilst the majority of decomposition happened around 400°C. Specimens containing overhanging structures (gate-like structure, propeller structure) were successfully manufactured to highlight the viability of the ink as a support material.

Citation

Aboulkhair, N., He, Y., Zhang, F., Saleh, E., Vaithilingam, J., Aboulkhair, N. T., …Wildman, R. D. (2017). A Tripropylene Glycol Diacrylate-based Polymeric Support Ink for Material Jetting. Additive Manufacturing, 16, 153-161. https://doi.org/10.1016/j.addma.2017.06.001

Journal Article Type Article
Acceptance Date Jun 11, 2017
Online Publication Date Jun 12, 2017
Publication Date 2017-08
Deposit Date Jul 11, 2017
Publicly Available Date Mar 29, 2024
Journal Additive Manufacturing
Print ISSN 2214-8604
Electronic ISSN 2214-8604
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 16
Pages 153-161
DOI https://doi.org/10.1016/j.addma.2017.06.001
Keywords Additive manufacturing; Inkjet printing; Material jetting; Support material; UV curing; TPGDA
Public URL https://nottingham-repository.worktribe.com/output/880557
Publisher URL https://doi.org/10.1016/j.addma.2017.06.001
Additional Information This article is maintained by: Elsevier; Article Title: A Tripropylene Glycol Diacrylate-based Polymeric Support Ink for Material Jetting; Journal Title: Additive Manufacturing; CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.addma.2017.06.001; Content Type: article; Copyright: Crown Copyright © 2017 Published by Elsevier B.V.

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