Effect of addition of clay minerals on the properties of epoxy/polyester powder coatings
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Polímeros (São Carlos. Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282018000400355 |
Resumo: | Abstract Powder coatings have been used for coating metal substrates in industrial applications. The incorporation of nanofillers as muscovite mica and montmorillonite (MMT) can improve the properties of the coatings. The objective of this study is to develop, apply and characterize a hybrid powder coating (30% epoxy/70% polyester) adding nanofillers in concentrations of 2, 4 and 6 phr separately in a twin screw extruder. The characterization of the coatings was performed by thermal, mechanical and chemical analysis. The incorporation of clay into the polymer increased the surface roughness resulting in a diffuse reflection of incident light and on a gloss reduction. The muscovite mica presented a lamellar structure, constituted by a set of overlapping parallel plates. The morphology analysis showed that the MMT presented irregular agglomerates resulting in inferior mechanical properties to coatings with muscovite mica. In the salt spray test, all samples showed high corrosion protection, around 850 hours. |
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Effect of addition of clay minerals on the properties of epoxy/polyester powder coatingsepoxy/polyester resinmontmorillonitemuscovite micapowder coatingAbstract Powder coatings have been used for coating metal substrates in industrial applications. The incorporation of nanofillers as muscovite mica and montmorillonite (MMT) can improve the properties of the coatings. The objective of this study is to develop, apply and characterize a hybrid powder coating (30% epoxy/70% polyester) adding nanofillers in concentrations of 2, 4 and 6 phr separately in a twin screw extruder. The characterization of the coatings was performed by thermal, mechanical and chemical analysis. The incorporation of clay into the polymer increased the surface roughness resulting in a diffuse reflection of incident light and on a gloss reduction. The muscovite mica presented a lamellar structure, constituted by a set of overlapping parallel plates. The morphology analysis showed that the MMT presented irregular agglomerates resulting in inferior mechanical properties to coatings with muscovite mica. In the salt spray test, all samples showed high corrosion protection, around 850 hours.Associação Brasileira de Polímeros2018-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282018000400355Polímeros v.28 n.4 2018reponame:Polímeros (São Carlos. Online)instname:Associação Brasileira de Polímeros (ABPol)instacron:ABPO10.1590/0104-1428.01616info:eu-repo/semantics/openAccessRelosi,NatanaelNeuwald,Oscar AlmeidaZattera,Ademir JoséPiazza,DiegoKunst,Sandra RaquelBirriel,Eliena Jonkoeng2018-10-04T00:00:00Zoai:scielo:S0104-14282018000400355Revistahttp://www.scielo.br/pohttps://old.scielo.br/oai/scielo-oai.php||revista@abpol.org.br1678-51690104-1428opendoar:2018-10-04T00:00Polímeros (São Carlos. Online) - Associação Brasileira de Polímeros (ABPol)false |
dc.title.none.fl_str_mv |
Effect of addition of clay minerals on the properties of epoxy/polyester powder coatings |
title |
Effect of addition of clay minerals on the properties of epoxy/polyester powder coatings |
spellingShingle |
Effect of addition of clay minerals on the properties of epoxy/polyester powder coatings Relosi,Natanael epoxy/polyester resin montmorillonite muscovite mica powder coating |
title_short |
Effect of addition of clay minerals on the properties of epoxy/polyester powder coatings |
title_full |
Effect of addition of clay minerals on the properties of epoxy/polyester powder coatings |
title_fullStr |
Effect of addition of clay minerals on the properties of epoxy/polyester powder coatings |
title_full_unstemmed |
Effect of addition of clay minerals on the properties of epoxy/polyester powder coatings |
title_sort |
Effect of addition of clay minerals on the properties of epoxy/polyester powder coatings |
author |
Relosi,Natanael |
author_facet |
Relosi,Natanael Neuwald,Oscar Almeida Zattera,Ademir José Piazza,Diego Kunst,Sandra Raquel Birriel,Eliena Jonko |
author_role |
author |
author2 |
Neuwald,Oscar Almeida Zattera,Ademir José Piazza,Diego Kunst,Sandra Raquel Birriel,Eliena Jonko |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Relosi,Natanael Neuwald,Oscar Almeida Zattera,Ademir José Piazza,Diego Kunst,Sandra Raquel Birriel,Eliena Jonko |
dc.subject.por.fl_str_mv |
epoxy/polyester resin montmorillonite muscovite mica powder coating |
topic |
epoxy/polyester resin montmorillonite muscovite mica powder coating |
description |
Abstract Powder coatings have been used for coating metal substrates in industrial applications. The incorporation of nanofillers as muscovite mica and montmorillonite (MMT) can improve the properties of the coatings. The objective of this study is to develop, apply and characterize a hybrid powder coating (30% epoxy/70% polyester) adding nanofillers in concentrations of 2, 4 and 6 phr separately in a twin screw extruder. The characterization of the coatings was performed by thermal, mechanical and chemical analysis. The incorporation of clay into the polymer increased the surface roughness resulting in a diffuse reflection of incident light and on a gloss reduction. The muscovite mica presented a lamellar structure, constituted by a set of overlapping parallel plates. The morphology analysis showed that the MMT presented irregular agglomerates resulting in inferior mechanical properties to coatings with muscovite mica. In the salt spray test, all samples showed high corrosion protection, around 850 hours. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-09-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282018000400355 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282018000400355 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/0104-1428.01616 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Associação Brasileira de Polímeros |
publisher.none.fl_str_mv |
Associação Brasileira de Polímeros |
dc.source.none.fl_str_mv |
Polímeros v.28 n.4 2018 reponame:Polímeros (São Carlos. Online) instname:Associação Brasileira de Polímeros (ABPol) instacron:ABPO |
instname_str |
Associação Brasileira de Polímeros (ABPol) |
instacron_str |
ABPO |
institution |
ABPO |
reponame_str |
Polímeros (São Carlos. Online) |
collection |
Polímeros (São Carlos. Online) |
repository.name.fl_str_mv |
Polímeros (São Carlos. Online) - Associação Brasileira de Polímeros (ABPol) |
repository.mail.fl_str_mv |
||revista@abpol.org.br |
_version_ |
1754212590513291264 |