Microcapsule/silica dual-fillers for self-healing, self-reporting and corrosion protection properties of waterborne epoxy coatings
Smart anticorrosive coatings were prepared by adding microcapsules and silica nanoparticles (SNs) in waterborne epoxy matrix and applied on galvanized steel substrates. The microcapsules encapsulated crystal violet lactone (CVL), epoxy monomer and phenyl acetate in methyl methacrylate polymer shell,...
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| Veröffentlicht in: | Progress in organic coatings 2021-10, Vol.159, p.106394, Article 106394 |
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| creator | Tao, Zhenglin Cui, Jincan Qiu, Hanxun Yang, Junhe Gao, Shanglin Li, Jing |
| description | Smart anticorrosive coatings were prepared by adding microcapsules and silica nanoparticles (SNs) in waterborne epoxy matrix and applied on galvanized steel substrates. The microcapsules encapsulated crystal violet lactone (CVL), epoxy monomer and phenyl acetate in methyl methacrylate polymer shell, so that the self-healing and self-reporting functions can be simultaneously realized. SNs can trigger the chromogenic reaction of CVL, while improving the corrosion protection properties of the composite coatings. The comprehensive properties of the coatings were investigated as a function of the weight ratio of CVL/epoxy monomer in microcapsules, the filling content of SNs and microcapsules, as well as the change of pH value. The corrosion current density of the composite coatings decreased with the SNs content and increased with the microcapsule content. Smart coatings with corrosion current density of 2.91 × 10−12 A cm−2 were achieved by adding 15 wt% microcapsules and 15 wt% SNs in epoxy matrix.
[Display omitted]
•Smart coatings were prepared with self-healing, self-reporting and enhanced corrosion protection properties.•Microcapsule/silica dual-fillers were embedded in waterborne epoxy matrix.•Microcapsules encapsulated healing agent, chromogenic agent and acidic solvent.•Silica nanoparticles triggered the color change of crystal violet lactone and improved the corrosion protection properties of the coatings. |
| doi_str_mv | 10.1016/j.porgcoat.2021.106394 |
| format | Article |
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[Display omitted]
•Smart coatings were prepared with self-healing, self-reporting and enhanced corrosion protection properties.•Microcapsule/silica dual-fillers were embedded in waterborne epoxy matrix.•Microcapsules encapsulated healing agent, chromogenic agent and acidic solvent.•Silica nanoparticles triggered the color change of crystal violet lactone and improved the corrosion protection properties of the coatings.</description><identifier>ISSN: 0300-9440</identifier><identifier>EISSN: 1873-331X</identifier><identifier>DOI: 10.1016/j.porgcoat.2021.106394</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Corrosion ; Corrosion currents ; Corrosion prevention ; Corrosion protection ; Crystal Violet Lactone ; Current density ; Epoxy coatings ; Galvanized steel ; Galvanized steels ; Microcapsules ; Microencapsulation ; Monomers ; Nanoparticles ; Polymethyl methacrylate ; Protective coatings ; Self-healing ; Self-reporting ; Silicon dioxide ; Smart coatings ; Substrates ; Waterborne epoxy coatings</subject><ispartof>Progress in organic coatings, 2021-10, Vol.159, p.106394, Article 106394</ispartof><rights>2021 Elsevier B.V.</rights><rights>Copyright Elsevier BV Oct 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c270t-e1219e632f8a045533becf0a9d8bbc1cd6b8e8d7c07f91afb3a76266fb459c783</citedby><cites>FETCH-LOGICAL-c270t-e1219e632f8a045533becf0a9d8bbc1cd6b8e8d7c07f91afb3a76266fb459c783</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.porgcoat.2021.106394$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Tao, Zhenglin</creatorcontrib><creatorcontrib>Cui, Jincan</creatorcontrib><creatorcontrib>Qiu, Hanxun</creatorcontrib><creatorcontrib>Yang, Junhe</creatorcontrib><creatorcontrib>Gao, Shanglin</creatorcontrib><creatorcontrib>Li, Jing</creatorcontrib><title>Microcapsule/silica dual-fillers for self-healing, self-reporting and corrosion protection properties of waterborne epoxy coatings</title><title>Progress in organic coatings</title><description>Smart anticorrosive coatings were prepared by adding microcapsules and silica nanoparticles (SNs) in waterborne epoxy matrix and applied on galvanized steel substrates. The microcapsules encapsulated crystal violet lactone (CVL), epoxy monomer and phenyl acetate in methyl methacrylate polymer shell, so that the self-healing and self-reporting functions can be simultaneously realized. SNs can trigger the chromogenic reaction of CVL, while improving the corrosion protection properties of the composite coatings. The comprehensive properties of the coatings were investigated as a function of the weight ratio of CVL/epoxy monomer in microcapsules, the filling content of SNs and microcapsules, as well as the change of pH value. The corrosion current density of the composite coatings decreased with the SNs content and increased with the microcapsule content. Smart coatings with corrosion current density of 2.91 × 10−12 A cm−2 were achieved by adding 15 wt% microcapsules and 15 wt% SNs in epoxy matrix.
[Display omitted]
•Smart coatings were prepared with self-healing, self-reporting and enhanced corrosion protection properties.•Microcapsule/silica dual-fillers were embedded in waterborne epoxy matrix.•Microcapsules encapsulated healing agent, chromogenic agent and acidic solvent.•Silica nanoparticles triggered the color change of crystal violet lactone and improved the corrosion protection properties of the coatings.</description><subject>Corrosion</subject><subject>Corrosion currents</subject><subject>Corrosion prevention</subject><subject>Corrosion protection</subject><subject>Crystal Violet Lactone</subject><subject>Current density</subject><subject>Epoxy coatings</subject><subject>Galvanized steel</subject><subject>Galvanized steels</subject><subject>Microcapsules</subject><subject>Microencapsulation</subject><subject>Monomers</subject><subject>Nanoparticles</subject><subject>Polymethyl methacrylate</subject><subject>Protective coatings</subject><subject>Self-healing</subject><subject>Self-reporting</subject><subject>Silicon dioxide</subject><subject>Smart coatings</subject><subject>Substrates</subject><subject>Waterborne epoxy coatings</subject><issn>0300-9440</issn><issn>1873-331X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFkMtKxDAUhoMoOI6-ggTc2pmkadNmpwzeYMSNgruQpidjSm1q0qqz9cnN0HHt6lz4_3P5EDqnZEEJ5ctm0Tu_0U4Ni5SkNDY5E9kBmtGyYAlj9PUQzQgjJBFZRo7RSQgNIVHExAz9PFrtnVZ9GFtYBttarXA9qjYxtm3BB2ycxwFak7yBam23uZwqD3HrEGusuhpr570L1nW4924APezTHqIGAnYGf6kBfOV8Bzhav7d4d3H0h1N0ZFQb4Gwf5-jl9uZ5dZ-sn-4eVtfrRKcFGRKgKRXAWWpKRbI8Z6wCbYgSdVlVmuqaVyWUdaFJYQRVpmKq4CnnpspyoYuSzdHFNDfe9TFCGGTjRt_FlTLNBeM8EyKPKj6pIpYQPBjZe_uu_FZSIne8ZSP_eMsdbznxjsaryQjxh08LXgZtodNQWx-ByNrZ_0b8AvZ4kOE</recordid><startdate>202110</startdate><enddate>202110</enddate><creator>Tao, Zhenglin</creator><creator>Cui, Jincan</creator><creator>Qiu, Hanxun</creator><creator>Yang, Junhe</creator><creator>Gao, Shanglin</creator><creator>Li, Jing</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>202110</creationdate><title>Microcapsule/silica dual-fillers for self-healing, self-reporting and corrosion protection properties of waterborne epoxy coatings</title><author>Tao, Zhenglin ; Cui, Jincan ; Qiu, Hanxun ; Yang, Junhe ; Gao, Shanglin ; Li, Jing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c270t-e1219e632f8a045533becf0a9d8bbc1cd6b8e8d7c07f91afb3a76266fb459c783</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Corrosion</topic><topic>Corrosion currents</topic><topic>Corrosion prevention</topic><topic>Corrosion protection</topic><topic>Crystal Violet Lactone</topic><topic>Current density</topic><topic>Epoxy coatings</topic><topic>Galvanized steel</topic><topic>Galvanized steels</topic><topic>Microcapsules</topic><topic>Microencapsulation</topic><topic>Monomers</topic><topic>Nanoparticles</topic><topic>Polymethyl methacrylate</topic><topic>Protective coatings</topic><topic>Self-healing</topic><topic>Self-reporting</topic><topic>Silicon dioxide</topic><topic>Smart coatings</topic><topic>Substrates</topic><topic>Waterborne epoxy coatings</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tao, Zhenglin</creatorcontrib><creatorcontrib>Cui, Jincan</creatorcontrib><creatorcontrib>Qiu, Hanxun</creatorcontrib><creatorcontrib>Yang, Junhe</creatorcontrib><creatorcontrib>Gao, Shanglin</creatorcontrib><creatorcontrib>Li, Jing</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Progress in organic coatings</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tao, Zhenglin</au><au>Cui, Jincan</au><au>Qiu, Hanxun</au><au>Yang, Junhe</au><au>Gao, Shanglin</au><au>Li, Jing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microcapsule/silica dual-fillers for self-healing, self-reporting and corrosion protection properties of waterborne epoxy coatings</atitle><jtitle>Progress in organic coatings</jtitle><date>2021-10</date><risdate>2021</risdate><volume>159</volume><spage>106394</spage><pages>106394-</pages><artnum>106394</artnum><issn>0300-9440</issn><eissn>1873-331X</eissn><abstract>Smart anticorrosive coatings were prepared by adding microcapsules and silica nanoparticles (SNs) in waterborne epoxy matrix and applied on galvanized steel substrates. The microcapsules encapsulated crystal violet lactone (CVL), epoxy monomer and phenyl acetate in methyl methacrylate polymer shell, so that the self-healing and self-reporting functions can be simultaneously realized. SNs can trigger the chromogenic reaction of CVL, while improving the corrosion protection properties of the composite coatings. The comprehensive properties of the coatings were investigated as a function of the weight ratio of CVL/epoxy monomer in microcapsules, the filling content of SNs and microcapsules, as well as the change of pH value. The corrosion current density of the composite coatings decreased with the SNs content and increased with the microcapsule content. Smart coatings with corrosion current density of 2.91 × 10−12 A cm−2 were achieved by adding 15 wt% microcapsules and 15 wt% SNs in epoxy matrix.
[Display omitted]
•Smart coatings were prepared with self-healing, self-reporting and enhanced corrosion protection properties.•Microcapsule/silica dual-fillers were embedded in waterborne epoxy matrix.•Microcapsules encapsulated healing agent, chromogenic agent and acidic solvent.•Silica nanoparticles triggered the color change of crystal violet lactone and improved the corrosion protection properties of the coatings.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.porgcoat.2021.106394</doi></addata></record> |
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| subjects | Corrosion Corrosion currents Corrosion prevention Corrosion protection Crystal Violet Lactone Current density Epoxy coatings Galvanized steel Galvanized steels Microcapsules Microencapsulation Monomers Nanoparticles Polymethyl methacrylate Protective coatings Self-healing Self-reporting Silicon dioxide Smart coatings Substrates Waterborne epoxy coatings |
| title | Microcapsule/silica dual-fillers for self-healing, self-reporting and corrosion protection properties of waterborne epoxy coatings |
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