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3D reactive inkjet printing of polydimethylsiloxane

Sturgess, Craig; Tuck, Christopher J.; Ashcroft, Ian A.; Wildman, Ricky D.

Authors

Craig Sturgess

Christopher J. Tuck

Ian A. Ashcroft

Ricky D. Wildman



Abstract

© 2017 The Royal Society of Chemistry. Material jetting is a process whereby liquid material can be deposited onto a substrate to solidify. Through a process of progressive additional layers, this deposition can then be used to produce 3D structures. However, the current material jetting catalogue is limited owing to the constraints on the viscosity of inks that can be deposited. Most inks currently being used are either solvent or photocuring based, with the latter becoming increasingly popular due to increased throughput. Full Reactive Inkjet Printing (FRIJP) is an alternative processing method currently being investigated as a route to widen the material catalogue. FRIJP is the combination, on the substrate, of two reactive components which then react together in contact on the substrate. In this work a two-part polydimethylsiloxane (PDMS) ink has been developed, printed individually, and cured. The successful printing of PDMS has been used to fabricate complex 3D geometry for the first time using FRIJP. Through the use of a prepared substrate feature resolutions up to 48 ± 2 μm (X, Y) were possible. Curing analysis has been conducted. It was found that not only does the reaction occur to a similar degree to conventional processes, but that there is no variation in the cured sample when printed at elevated substrate temperatures.

Journal Article Type Article
Publication Date Aug 21, 2017
Journal Journal of Materials Chemistry C
Print ISSN 2050-7526
Electronic ISSN 2050-7526
Publisher Royal Society of Chemistry
Peer Reviewed Peer Reviewed
Volume 5
Issue 37
Pages 9733-9745
APA6 Citation Sturgess, C., Tuck, C. J., Ashcroft, I. A., & Wildman, R. D. (2017). 3D reactive inkjet printing of polydimethylsiloxane. Journal of Materials Chemistry C, 5(37), 9733-9745. https://doi.org/10.1039/c7tc02412f
DOI https://doi.org/10.1039/c7tc02412f
Publisher URL http://pubs.rsc.org/en/Content/ArticleLanding/2017/TC/C7TC02412F#!divAbstract
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0
Additional Information : This document is Similarity Check deposited; : Supplementary Information; : Craig Sturgess (ORCID); : Christopher J. Tuck (ORCID); : Ian A. Ashcroft (ORCID); : Ricky D. Wildman (ORCID); : The Royal Society of Chemistry has an exclusive publication licence for this journal; OPEN ACCESS: This article is freely available. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence (CC BY 3.0); : Single-blind; : Received 1 June 2017; Accepted 21 August 2017; Accepted Manuscript published 21 August 2017; Advance Article published 13 September 2017; Version of Record published 28 September 2017

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0





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