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Formulation, characterisation and flexographic printing of novel Boger fluids to assess the effects of ink elasticity on print uniformity

Miles L. Morgan, Alexander Holder, Daniel Curtis Orcid Logo, Davide Deganello Orcid Logo

Rheologica Acta, Volume: 57, Issue: 2, Pages: 105 - 112

Swansea University Authors: Daniel Curtis Orcid Logo, Davide Deganello Orcid Logo

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DOI (Published version): 10.1007/s00397-017-1061-9

Abstract

Model elastic inks were formulated, rheologically characterised in shear and extension, and printed via flexography to assess the impact of ink elasticity on print uniformity. Flexography is a roll-to-roll printing process with great potential in the mass production of printed electronics for which...

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Published in: Rheologica Acta
ISSN: 0035-4511 1435-1528
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa37777
first_indexed 2018-01-02T14:08:07Z
last_indexed 2023-02-09T03:46:43Z
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spelling 2023-02-08T17:00:22.0631539 v2 37777 2018-01-02 Formulation, characterisation and flexographic printing of novel Boger fluids to assess the effects of ink elasticity on print uniformity e76ff28a23af2fe37099c4e9a24c1e58 0000-0002-6955-0524 Daniel Curtis Daniel Curtis true false ea38a0040bdfd3875506189e3629b32a 0000-0001-8341-4177 Davide Deganello Davide Deganello true false 2018-01-02 EAAS Model elastic inks were formulated, rheologically characterised in shear and extension, and printed via flexography to assess the impact of ink elasticity on print uniformity. Flexography is a roll-to-roll printing process with great potential in the mass production of printed electronics for which understanding layer uniformity and the influence of rheology is of critical importance. A new set of flexo-printable Boger fluids was formulated by blending polyvinyl alcohol and high molecular weight polyacrylamide to provide inks of varying elasticity. During print trials, the phenomenon of viscous fingering was observed in all prints, with those of the Newtonian ink exhibiting a continuous striping in the printing direction. Increasing elasticity significantly influenced this continuity, disrupting it and leading to a quantifiable decrease in the overall relative size of the printed finger features. As such, ink elasticity was seen to have a profound effect on flexographic printing uniformity, showing the rheological tuning of inks may be a route to obtaining specific printed features. Journal Article Rheologica Acta 57 2 105 112 0035-4511 1435-1528 Boger fluid, Extensional flow, Flexographic printing, Elastic properties 1 2 2018 2018-02-01 10.1007/s00397-017-1061-9 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University RCUK 2023-02-08T17:00:22.0631539 2018-01-02T10:33:46.9689335 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Miles L. Morgan 1 Alexander Holder 2 Daniel Curtis 0000-0002-6955-0524 3 Davide Deganello 0000-0001-8341-4177 4 0037777-02012018103615.pdf morgan2017.pdf 2018-01-02T10:36:15.1430000 Output 1988177 application/pdf Version of Record true Released under the terms of a Creative Commons Attribution License (CC-BY). true eng http://creativecommons.org/licenses/by/4.0/
title Formulation, characterisation and flexographic printing of novel Boger fluids to assess the effects of ink elasticity on print uniformity
spellingShingle Formulation, characterisation and flexographic printing of novel Boger fluids to assess the effects of ink elasticity on print uniformity
Daniel Curtis
Davide Deganello
title_short Formulation, characterisation and flexographic printing of novel Boger fluids to assess the effects of ink elasticity on print uniformity
title_full Formulation, characterisation and flexographic printing of novel Boger fluids to assess the effects of ink elasticity on print uniformity
title_fullStr Formulation, characterisation and flexographic printing of novel Boger fluids to assess the effects of ink elasticity on print uniformity
title_full_unstemmed Formulation, characterisation and flexographic printing of novel Boger fluids to assess the effects of ink elasticity on print uniformity
title_sort Formulation, characterisation and flexographic printing of novel Boger fluids to assess the effects of ink elasticity on print uniformity
author_id_str_mv e76ff28a23af2fe37099c4e9a24c1e58
ea38a0040bdfd3875506189e3629b32a
author_id_fullname_str_mv e76ff28a23af2fe37099c4e9a24c1e58_***_Daniel Curtis
ea38a0040bdfd3875506189e3629b32a_***_Davide Deganello
author Daniel Curtis
Davide Deganello
author2 Miles L. Morgan
Alexander Holder
Daniel Curtis
Davide Deganello
format Journal article
container_title Rheologica Acta
container_volume 57
container_issue 2
container_start_page 105
publishDate 2018
institution Swansea University
issn 0035-4511
1435-1528
doi_str_mv 10.1007/s00397-017-1061-9
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
document_store_str 1
active_str 0
description Model elastic inks were formulated, rheologically characterised in shear and extension, and printed via flexography to assess the impact of ink elasticity on print uniformity. Flexography is a roll-to-roll printing process with great potential in the mass production of printed electronics for which understanding layer uniformity and the influence of rheology is of critical importance. A new set of flexo-printable Boger fluids was formulated by blending polyvinyl alcohol and high molecular weight polyacrylamide to provide inks of varying elasticity. During print trials, the phenomenon of viscous fingering was observed in all prints, with those of the Newtonian ink exhibiting a continuous striping in the printing direction. Increasing elasticity significantly influenced this continuity, disrupting it and leading to a quantifiable decrease in the overall relative size of the printed finger features. As such, ink elasticity was seen to have a profound effect on flexographic printing uniformity, showing the rheological tuning of inks may be a route to obtaining specific printed features.
published_date 2018-02-01T07:20:35Z
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score 11.04748

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