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Surface modification of Cr(III) packaging substrates for enhanced adhesion via citric acid processing

Andrew Allman, Jordan Whiteside, Eifion Jewell Orcid Logo, Chris Griffiths, Hamilton McMurray, Arnoud de Vooys

Surfaces and Interfaces, Volume: 20, Start page: 100545

Swansea University Authors: Eifion Jewell Orcid Logo, Hamilton McMurray

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DOI (Published version): 10.1016/j.surfin.2020.100545

Abstract

Changes in legislation have led to Cr (VI) being removed from manufacturing processes and this has an impact on the production of chromium coated packaging steel products. Novel substrates produced using Cr(III) in the electroplating process are being developed, but have yet to reach the mature func...

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Published in: Surfaces and Interfaces
ISSN: 2468-0230
Published: Elsevier BV 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa54304
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first_indexed 2020-06-03T20:05:09Z
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spelling 2021-03-12T16:07:28.9384320 v2 54304 2020-05-06 Surface modification of Cr(III) packaging substrates for enhanced adhesion via citric acid processing 13dc152c178d51abfe0634445b0acf07 0000-0002-6894-2251 Eifion Jewell Eifion Jewell true false 56fc1b17ffc3bdf6039dc05c6eba7f2a Hamilton McMurray Hamilton McMurray true false 2020-05-06 MECH Changes in legislation have led to Cr (VI) being removed from manufacturing processes and this has an impact on the production of chromium coated packaging steel products. Novel substrates produced using Cr(III) in the electroplating process are being developed, but have yet to reach the mature functionality of the Cr(VI) substrates. As part of the development of a Cr(III) plated steel substrate the presence of citric acid during the retort process was found to be beneficial to adhesion at the lacquer / substrate interface. At the correct concentration it could negate the presence of the usually corrosion inducing sodium chloride. The use of citric acid as a pre-treatment was subsequently investigated and through optimization it was possible to increase the adhesion performance of the substrate. The operating window of treatment was a function of solution temperature and time with best performance being achieved in 5 mins at 95°C. Over exposure to citric acid had a detrimental effect on substrate / lacquer adhesion. The primary mechanisms of citric acid treatment were identified as iron dissolution and chrome oxidation which enhanced the number of substrate surface bonding sites. Journal Article Surfaces and Interfaces 20 100545 Elsevier BV 2468-0230 Steel packaging, Cr(III) electroplating, Passivation, Enhanced adhesion, Corrosion protection 1 9 2020 2020-09-01 10.1016/j.surfin.2020.100545 COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2021-03-12T16:07:28.9384320 2020-05-06T00:00:00.0000000 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Andrew Allman 1 Jordan Whiteside 2 Eifion Jewell 0000-0002-6894-2251 3 Chris Griffiths 4 Hamilton McMurray 5 Arnoud de Vooys 6 54304__17510__959fa9863b5c4561b808bf901e5fd3a6.pdf CRONFA Allman et al Citric Acid Pretreatment Paper - submitted text no format.pdf 2020-06-17T12:29:50.5604637 Output 589128 application/pdf Accepted Manuscript true 2021-05-21T00:00:00.0000000 ©2020 All rights reserved. All article content, except where otherwise noted, is licensed under a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND) true eng https://creativecommons.org/licenses/by-nc-nd/4.0/
title Surface modification of Cr(III) packaging substrates for enhanced adhesion via citric acid processing
spellingShingle Surface modification of Cr(III) packaging substrates for enhanced adhesion via citric acid processing
Eifion Jewell
Hamilton McMurray
title_short Surface modification of Cr(III) packaging substrates for enhanced adhesion via citric acid processing
title_full Surface modification of Cr(III) packaging substrates for enhanced adhesion via citric acid processing
title_fullStr Surface modification of Cr(III) packaging substrates for enhanced adhesion via citric acid processing
title_full_unstemmed Surface modification of Cr(III) packaging substrates for enhanced adhesion via citric acid processing
title_sort Surface modification of Cr(III) packaging substrates for enhanced adhesion via citric acid processing
author_id_str_mv 13dc152c178d51abfe0634445b0acf07
56fc1b17ffc3bdf6039dc05c6eba7f2a
author_id_fullname_str_mv 13dc152c178d51abfe0634445b0acf07_***_Eifion Jewell
56fc1b17ffc3bdf6039dc05c6eba7f2a_***_Hamilton McMurray
author Eifion Jewell
Hamilton McMurray
author2 Andrew Allman
Jordan Whiteside
Eifion Jewell
Chris Griffiths
Hamilton McMurray
Arnoud de Vooys
format Journal article
container_title Surfaces and Interfaces
container_volume 20
container_start_page 100545
publishDate 2020
institution Swansea University
issn 2468-0230
doi_str_mv 10.1016/j.surfin.2020.100545
publisher Elsevier BV
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 Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
active_str 0
description Changes in legislation have led to Cr (VI) being removed from manufacturing processes and this has an impact on the production of chromium coated packaging steel products. Novel substrates produced using Cr(III) in the electroplating process are being developed, but have yet to reach the mature functionality of the Cr(VI) substrates. As part of the development of a Cr(III) plated steel substrate the presence of citric acid during the retort process was found to be beneficial to adhesion at the lacquer / substrate interface. At the correct concentration it could negate the presence of the usually corrosion inducing sodium chloride. The use of citric acid as a pre-treatment was subsequently investigated and through optimization it was possible to increase the adhesion performance of the substrate. The operating window of treatment was a function of solution temperature and time with best performance being achieved in 5 mins at 95°C. Over exposure to citric acid had a detrimental effect on substrate / lacquer adhesion. The primary mechanisms of citric acid treatment were identified as iron dissolution and chrome oxidation which enhanced the number of substrate surface bonding sites.
published_date 2020-09-01T04:07:45Z
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score 11.013731

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