High performance nanocomposite coatings based on soft core-reactive shell polyacrylic latex/modified halloysite nanotubes

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dc.contributor.authorYilmaz, Onur
dc.date.accessioned2019-10-27T09:46:46Z
dc.date.available2019-10-27T09:46:46Z
dc.date.issued2019
dc.departmentEge Üniversitesien_US
dc.description.abstractHigh performance coatings based on aqueous systems is highly demanded for many industrial applications. One attempt to improve the performance of coatings is the addition of nanoparticles to the main coating polymer. In the present study nanocomposite coatings based on polymethacrylic acid (PMAA) grafted halloysite nanotubes (HNTs) and epoxy functional core/shell polyacrylic latex have been prepared. The modification of HNTs was done via "grafting from" technique including the attachment of a chain transfer agent on the HNTs surface followed by RAFT (reversible addition-fragmentation chain transfer) polymerization of methacrylic acid (MAA). Main acrylic copolymer composed of butyl acrylate/methyl methacrylate soft core and glydicyl methacrylate reactive shell was synthesized via seeded emulsion polymerization. Final crosslinked nanocomposite coatings were prepared by mixing PMAA-modified HNTs (HNTs-PMAA) and acrylic latex in different ratios (2.5 and 5.0 wt.%) followed by drying and curing process. Dynamic mechanical analyses showed that the nanocomposites had significantly increased elastic moduli and tensile strength values as well as enhanced solvent resistance in comparison to the pure acrylic copolymer. The obtained nanocomposite coating system was found to be used in many applications as ductile high performance waterborne functional coatings.en_US
dc.description.sponsorshipCouncil of Higher Education (YOK) of TurkeyMinistry of National Education - Turkeyen_US
dc.description.sponsorshipThe author specially thanks to Heikki Tenhu and Mikko Karesoja from Polymer Laboratory of Chemistry Department in University of Helsinki, Finland and to the Council of Higher Education (YOK) of Turkey for the support to the research.en_US
dc.identifier.doi10.1016/j.porgcoat.2018.11.026
dc.identifier.endpage275en_US
dc.identifier.issn0300-9440
dc.identifier.issn0300-9440en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage266en_US
dc.identifier.urihttps://doi.org/10.1016/j.porgcoat.2018.11.026
dc.identifier.urihttps://hdl.handle.net/11454/29320
dc.identifier.volume127en_US
dc.identifier.wosWOS:000456755300029en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Science Saen_US
dc.relation.ispartofProgress in Organic Coatingsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCoatingen_US
dc.subjectHalloysiteen_US
dc.subjectNanocompositeen_US
dc.subjectCore-shellen_US
dc.subjectRAFTen_US
dc.subjectCrosslinkingen_US
dc.titleHigh performance nanocomposite coatings based on soft core-reactive shell polyacrylic latex/modified halloysite nanotubesen_US
dc.typeArticleen_US

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