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Slippery Alkoxysilane Coatings for Antifouling Applications

Henry Apsey, Donald Hill Orcid Logo, Andrew Barron Orcid Logo, Shirin Alexander Orcid Logo

ACS Applied Materials & Interfaces, Volume: 15, Issue: 13, Pages: 17353 - 17363

Swansea University Authors: Henry Apsey, Donald Hill Orcid Logo, Andrew Barron Orcid Logo, Shirin Alexander Orcid Logo

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DOI (Published version): 10.1021/acsami.3c00555

Abstract

Herein, we report the wettability and antifouling behavior of a range of different siloxane coatings on plastic and glass substrates. The films investigated are prepared using trimethoxysilane precursors with different alkyl chain lengths (1–18 C atoms) in order to study how the nature of the hydrop...

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Published in: ACS Applied Materials & Interfaces
ISSN: 1944-8244 1944-8252
Published: American Chemical Society (ACS) 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa62907
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The films investigated are prepared using trimethoxysilane precursors with different alkyl chain lengths (1&#x2013;18 C atoms) in order to study how the nature of the hydrophobic group affects the different parameters used to characterize wettability (contact angles, sliding angles, and contact angle hysteresis). Atomic force microscopy analysis shows that the coatings possess low surface topography [root mean squared roughness (rms) &lt; 50 nm] and are highly transparent as studied using UV&#x2013;vis spectroscopy. The sliding properties of H2O, CH2I2, methanol, and ethylene glycol were observed to be strongly influenced by the chain length of the alkoxysilane precursor used. The coatings formed from the longer chain analogues show comparable water sliding angles to superhydrophobic surfaces. These coatings show similar performance to analogous alkoxysilane coating-bearing fluorinated groups, indicating that they could act as viable environmentally friendly alternatives to some of the fluorinated films that have been widely adopted. Furthermore, these surfaces are highly durable toward common forms of abrasion and are observed to show low adhesion toward synthetic feces, indicating that their utility extends further than repelling liquids alone. Consequently, these coatings could show promise for potential use in applications in the medical sector where fouling by biological mixtures leads to an unsustainable use of materials.</abstract><type>Journal Article</type><journal>ACS Applied Materials &amp; Interfaces</journal><volume>15</volume><journalNumber>13</journalNumber><paginationStart>17353</paginationStart><paginationEnd>17363</paginationEnd><publisher>American Chemical Society (ACS)</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint>1944-8244</issnPrint><issnElectronic>1944-8252</issnElectronic><keywords>antifouling, slippery surfaces, siloxane hydrophobic coatings, water contact angle, durable, transparent</keywords><publishedDay>5</publishedDay><publishedMonth>4</publishedMonth><publishedYear>2023</publishedYear><publishedDate>2023-04-05</publishedDate><doi>10.1021/acsami.3c00555</doi><url>http://dx.doi.org/10.1021/acsami.3c00555</url><notes/><college>COLLEGE NANME</college><department>Science and Engineering - Faculty</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>FGSEN</DepartmentCode><institution>Swansea University</institution><apcterm>SU Library paid the OA fee (TA Institutional Deal)</apcterm><funders>Engineering and Physical Sciences Research Council - EP/R51312X/1</funders><projectreference/><lastEdited>2023-04-18T12:04:06.8907163</lastEdited><Created>2023-03-10T12:39:14.8742577</Created><path><level id="1">Faculty of Science and Engineering</level><level id="2">School of Engineering and Applied Sciences - Chemical Engineering</level></path><authors><author><firstname>Henry</firstname><surname>Apsey</surname><order>1</order></author><author><firstname>Donald</firstname><surname>Hill</surname><orcid>0000-0002-3457-5895</orcid><order>2</order></author><author><firstname>Andrew</firstname><surname>Barron</surname><orcid>0000-0002-2018-8288</orcid><order>3</order></author><author><firstname>Shirin</firstname><surname>Alexander</surname><orcid>0000-0002-4404-0026</orcid><order>4</order></author></authors><documents><document><filename>62907__27044__6c4e1870143e46a38fcd1b0be35edc88.pdf</filename><originalFilename>62907.VOR.pdf</originalFilename><uploaded>2023-04-14T11:50:04.4403392</uploaded><type>Output</type><contentLength>3432870</contentLength><contentType>application/pdf</contentType><version>Version of Record</version><cronfaStatus>true</cronfaStatus><documentNotes>Distributed under the terms of a Creative Commons Attribution 4.0 License.</documentNotes><copyrightCorrect>true</copyrightCorrect><language>eng</language><licence>https://creativecommons.org/licenses/by/4.0/</licence></document></documents><OutputDurs/></rfc1807>
spelling 2023-04-18T12:04:06.8907163 v2 62907 2023-03-10 Slippery Alkoxysilane Coatings for Antifouling Applications 378aee517395220e4f9ae82567d656b2 Henry Apsey Henry Apsey true false d542c5f6c548c25ef4ab7cb51ee71650 0000-0002-3457-5895 Donald Hill Donald Hill true false 92e452f20936d688d36f91c78574241d 0000-0002-2018-8288 Andrew Barron Andrew Barron true false 0773cc55f7caf77817be08806b8b7497 0000-0002-4404-0026 Shirin Alexander Shirin Alexander true false 2023-03-10 FGSEN Herein, we report the wettability and antifouling behavior of a range of different siloxane coatings on plastic and glass substrates. The films investigated are prepared using trimethoxysilane precursors with different alkyl chain lengths (1–18 C atoms) in order to study how the nature of the hydrophobic group affects the different parameters used to characterize wettability (contact angles, sliding angles, and contact angle hysteresis). Atomic force microscopy analysis shows that the coatings possess low surface topography [root mean squared roughness (rms) < 50 nm] and are highly transparent as studied using UV–vis spectroscopy. The sliding properties of H2O, CH2I2, methanol, and ethylene glycol were observed to be strongly influenced by the chain length of the alkoxysilane precursor used. The coatings formed from the longer chain analogues show comparable water sliding angles to superhydrophobic surfaces. These coatings show similar performance to analogous alkoxysilane coating-bearing fluorinated groups, indicating that they could act as viable environmentally friendly alternatives to some of the fluorinated films that have been widely adopted. Furthermore, these surfaces are highly durable toward common forms of abrasion and are observed to show low adhesion toward synthetic feces, indicating that their utility extends further than repelling liquids alone. Consequently, these coatings could show promise for potential use in applications in the medical sector where fouling by biological mixtures leads to an unsustainable use of materials. Journal Article ACS Applied Materials & Interfaces 15 13 17353 17363 American Chemical Society (ACS) 1944-8244 1944-8252 antifouling, slippery surfaces, siloxane hydrophobic coatings, water contact angle, durable, transparent 5 4 2023 2023-04-05 10.1021/acsami.3c00555 http://dx.doi.org/10.1021/acsami.3c00555 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University SU Library paid the OA fee (TA Institutional Deal) Engineering and Physical Sciences Research Council - EP/R51312X/1 2023-04-18T12:04:06.8907163 2023-03-10T12:39:14.8742577 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Henry Apsey 1 Donald Hill 0000-0002-3457-5895 2 Andrew Barron 0000-0002-2018-8288 3 Shirin Alexander 0000-0002-4404-0026 4 62907__27044__6c4e1870143e46a38fcd1b0be35edc88.pdf 62907.VOR.pdf 2023-04-14T11:50:04.4403392 Output 3432870 application/pdf Version of Record true Distributed under the terms of a Creative Commons Attribution 4.0 License. true eng https://creativecommons.org/licenses/by/4.0/
title Slippery Alkoxysilane Coatings for Antifouling Applications
spellingShingle Slippery Alkoxysilane Coatings for Antifouling Applications
Henry Apsey
Donald Hill
Andrew Barron
Shirin Alexander
title_short Slippery Alkoxysilane Coatings for Antifouling Applications
title_full Slippery Alkoxysilane Coatings for Antifouling Applications
title_fullStr Slippery Alkoxysilane Coatings for Antifouling Applications
title_full_unstemmed Slippery Alkoxysilane Coatings for Antifouling Applications
title_sort Slippery Alkoxysilane Coatings for Antifouling Applications
author_id_str_mv 378aee517395220e4f9ae82567d656b2
d542c5f6c548c25ef4ab7cb51ee71650
92e452f20936d688d36f91c78574241d
0773cc55f7caf77817be08806b8b7497
author_id_fullname_str_mv 378aee517395220e4f9ae82567d656b2_***_Henry Apsey
d542c5f6c548c25ef4ab7cb51ee71650_***_Donald Hill
92e452f20936d688d36f91c78574241d_***_Andrew Barron
0773cc55f7caf77817be08806b8b7497_***_Shirin Alexander
author Henry Apsey
Donald Hill
Andrew Barron
Shirin Alexander
author2 Henry Apsey
Donald Hill
Andrew Barron
Shirin Alexander
format Journal article
container_title ACS Applied Materials & Interfaces
container_volume 15
container_issue 13
container_start_page 17353
publishDate 2023
institution Swansea University
issn 1944-8244
1944-8252
doi_str_mv 10.1021/acsami.3c00555
publisher American Chemical Society (ACS)
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 - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
url http://dx.doi.org/10.1021/acsami.3c00555
document_store_str 1
active_str 0
description Herein, we report the wettability and antifouling behavior of a range of different siloxane coatings on plastic and glass substrates. The films investigated are prepared using trimethoxysilane precursors with different alkyl chain lengths (1–18 C atoms) in order to study how the nature of the hydrophobic group affects the different parameters used to characterize wettability (contact angles, sliding angles, and contact angle hysteresis). Atomic force microscopy analysis shows that the coatings possess low surface topography [root mean squared roughness (rms) < 50 nm] and are highly transparent as studied using UV–vis spectroscopy. The sliding properties of H2O, CH2I2, methanol, and ethylene glycol were observed to be strongly influenced by the chain length of the alkoxysilane precursor used. The coatings formed from the longer chain analogues show comparable water sliding angles to superhydrophobic surfaces. These coatings show similar performance to analogous alkoxysilane coating-bearing fluorinated groups, indicating that they could act as viable environmentally friendly alternatives to some of the fluorinated films that have been widely adopted. Furthermore, these surfaces are highly durable toward common forms of abrasion and are observed to show low adhesion toward synthetic feces, indicating that their utility extends further than repelling liquids alone. Consequently, these coatings could show promise for potential use in applications in the medical sector where fouling by biological mixtures leads to an unsustainable use of materials.
published_date 2023-04-05T04:23:18Z
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score 11.013731

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