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Inkjet Printing in Liquid Media: Intra-Volumetric Drop Coalescence in Polymers

Biochemistry Cluster, ITMO University, Kronverksky Pr. 49, 197101 St. Petersburg, Russia
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Coatings 2019, 9(4), 275; https://doi.org/10.3390/coatings9040275
Received: 8 February 2019 / Revised: 15 April 2019 / Accepted: 16 April 2019 / Published: 23 April 2019
(This article belongs to the Special Issue Thin Coatings and Patterns by Inkjet Printing Technology)
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Abstract

The tendency to develop flexible and transparent materials has been growing in the last decade. As inkjet printing technology has become a widespread method for the fabrication of functional materials, the investigation of the inkjet printing process seems to be essential with regard to polymers, which are a viscous and flexible media. In this study, we evaluated the dependence of ink drop coalescence on process parameters such as polymer viscosity (controlled by polymerization time), drop spacing and drop speed. The results showed that drop coalescence was mostly influenced by drop speed, while drop spacing and substrate polymer viscosity did not significantly affect the printing results. The presented data are crucial for understanding the processes involved in the fabrication of flexible materials by inkjet printing. View Full-Text
Keywords: inkjet printing; drop coalescence; liquid-in-liquid deposition; elastomer; polymer; flexible materials; PDMS inkjet printing; drop coalescence; liquid-in-liquid deposition; elastomer; polymer; flexible materials; PDMS
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Klestova, A.; Sergeeva, E.; Vinogradov, A.V. Inkjet Printing in Liquid Media: Intra-Volumetric Drop Coalescence in Polymers. Coatings 2019, 9, 275.

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