Avalicao de revestimientos de zinco com incorporacao de partículas polimericas

Autores
Tomachuk. Celia; Elsner, Cecilia Ines; Di Sarli, Alejandro Ramón
Año de publicación
2012
Idioma
portugués
Tipo de recurso
documento de conferencia
Estado
versión publicada
Descripción
In the last 30 years, zinc plating had remarkable development due to the increasing demand for coatings with better corrosion resistance from the automotive industry. Hexavalent chromium compounds have been used to create conversion layers on zinc providing better anticorrosive protection as well as anchorage properties to painting systems. However, new and more severe environmental regulations impose elimination of these compounds on electrolytes for electroplating and passivation baths and its replacement by environmentally friendly products. In this work, the surface characteristics and electrochemical behavior of a zinc coating added with silicate nanoparticles included in a polymeric matrix were investigated with the aim of evaluating its effectiveness against corrosion. Then, to improve the coating protective properties a barrier waterborne polyurethane film was applied. The characteristics of the dried polymer film (such as adhesion metal/polymer, porosity, rusting degrees and blistering) were investigated using standardized tests while the corrosion resistance was evaluated by means of electrochemical techniques in solution 0.05 mol/L NaCl. The incorporation of silicate nanoparticles include in a polymeric matrix in the zinc coating provided good adhesion of the coating system without the need of applying a application of the passivation layer on the zinc coating.
Fil: Tomachuk. Celia. Universidade de Sao Paulo; Brasil
Fil: Elsner, Cecilia Ines. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Investigaciones en Tecnología de Pinturas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones en Tecnología de Pinturas; Argentina
Fil: Di Sarli, Alejandro Ramón. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Investigaciones en Tecnología de Pinturas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones en Tecnología de Pinturas; Argentina
32º Congresso Brasileiro de Corrosão-4th International Corrosion Meeting INTERCORR 2012
Salvador
Brasil
NACE International
Materia
CORROSION
COATING
ZINC
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/230293
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Avalicao de revestimientos de zinco com incorporacao de partículas polimericasTomachuk. CeliaElsner, Cecilia InesDi Sarli, Alejandro RamónCORROSIONCOATINGZINChttps://purl.org/becyt/ford/2.5https://purl.org/becyt/ford/2In the last 30 years, zinc plating had remarkable development due to the increasing demand for coatings with better corrosion resistance from the automotive industry. Hexavalent chromium compounds have been used to create conversion layers on zinc providing better anticorrosive protection as well as anchorage properties to painting systems. However, new and more severe environmental regulations impose elimination of these compounds on electrolytes for electroplating and passivation baths and its replacement by environmentally friendly products. In this work, the surface characteristics and electrochemical behavior of a zinc coating added with silicate nanoparticles included in a polymeric matrix were investigated with the aim of evaluating its effectiveness against corrosion. Then, to improve the coating protective properties a barrier waterborne polyurethane film was applied. The characteristics of the dried polymer film (such as adhesion metal/polymer, porosity, rusting degrees and blistering) were investigated using standardized tests while the corrosion resistance was evaluated by means of electrochemical techniques in solution 0.05 mol/L NaCl. The incorporation of silicate nanoparticles include in a polymeric matrix in the zinc coating provided good adhesion of the coating system without the need of applying a application of the passivation layer on the zinc coating.Fil: Tomachuk. Celia. Universidade de Sao Paulo; BrasilFil: Elsner, Cecilia Ines. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Investigaciones en Tecnología de Pinturas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones en Tecnología de Pinturas; ArgentinaFil: Di Sarli, Alejandro Ramón. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Investigaciones en Tecnología de Pinturas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones en Tecnología de Pinturas; Argentina32º Congresso Brasileiro de Corrosão-4th International Corrosion Meeting INTERCORR 2012SalvadorBrasilNACE InternationalUniversitaria de Salvador2012info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjectCongresoBookhttp://purl.org/coar/resource_type/c_5794info:ar-repo/semantics/documentoDeConferenciaapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/230293Avalicao de revestimientos de zinco com incorporacao de partículas polimericas; 32º Congresso Brasileiro de Corrosão-4th International Corrosion Meeting INTERCORR 2012; Salvador; Brasil; 2012; 1-11CONICET DigitalCONICETporInternacionalinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:00:02Zoai:ri.conicet.gov.ar:11336/230293instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:00:02.311CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Avalicao de revestimientos de zinco com incorporacao de partículas polimericas
title Avalicao de revestimientos de zinco com incorporacao de partículas polimericas
spellingShingle Avalicao de revestimientos de zinco com incorporacao de partículas polimericas
Tomachuk. Celia
CORROSION
COATING
ZINC
title_short Avalicao de revestimientos de zinco com incorporacao de partículas polimericas
title_full Avalicao de revestimientos de zinco com incorporacao de partículas polimericas
title_fullStr Avalicao de revestimientos de zinco com incorporacao de partículas polimericas
title_full_unstemmed Avalicao de revestimientos de zinco com incorporacao de partículas polimericas
title_sort Avalicao de revestimientos de zinco com incorporacao de partículas polimericas
dc.creator.none.fl_str_mv Tomachuk. Celia
Elsner, Cecilia Ines
Di Sarli, Alejandro Ramón
author Tomachuk. Celia
author_facet Tomachuk. Celia
Elsner, Cecilia Ines
Di Sarli, Alejandro Ramón
author_role author
author2 Elsner, Cecilia Ines
Di Sarli, Alejandro Ramón
author2_role author
author
dc.subject.none.fl_str_mv CORROSION
COATING
ZINC
topic CORROSION
COATING
ZINC
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.5
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv In the last 30 years, zinc plating had remarkable development due to the increasing demand for coatings with better corrosion resistance from the automotive industry. Hexavalent chromium compounds have been used to create conversion layers on zinc providing better anticorrosive protection as well as anchorage properties to painting systems. However, new and more severe environmental regulations impose elimination of these compounds on electrolytes for electroplating and passivation baths and its replacement by environmentally friendly products. In this work, the surface characteristics and electrochemical behavior of a zinc coating added with silicate nanoparticles included in a polymeric matrix were investigated with the aim of evaluating its effectiveness against corrosion. Then, to improve the coating protective properties a barrier waterborne polyurethane film was applied. The characteristics of the dried polymer film (such as adhesion metal/polymer, porosity, rusting degrees and blistering) were investigated using standardized tests while the corrosion resistance was evaluated by means of electrochemical techniques in solution 0.05 mol/L NaCl. The incorporation of silicate nanoparticles include in a polymeric matrix in the zinc coating provided good adhesion of the coating system without the need of applying a application of the passivation layer on the zinc coating.
Fil: Tomachuk. Celia. Universidade de Sao Paulo; Brasil
Fil: Elsner, Cecilia Ines. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Investigaciones en Tecnología de Pinturas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones en Tecnología de Pinturas; Argentina
Fil: Di Sarli, Alejandro Ramón. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Investigaciones en Tecnología de Pinturas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones en Tecnología de Pinturas; Argentina
32º Congresso Brasileiro de Corrosão-4th International Corrosion Meeting INTERCORR 2012
Salvador
Brasil
NACE International
description In the last 30 years, zinc plating had remarkable development due to the increasing demand for coatings with better corrosion resistance from the automotive industry. Hexavalent chromium compounds have been used to create conversion layers on zinc providing better anticorrosive protection as well as anchorage properties to painting systems. However, new and more severe environmental regulations impose elimination of these compounds on electrolytes for electroplating and passivation baths and its replacement by environmentally friendly products. In this work, the surface characteristics and electrochemical behavior of a zinc coating added with silicate nanoparticles included in a polymeric matrix were investigated with the aim of evaluating its effectiveness against corrosion. Then, to improve the coating protective properties a barrier waterborne polyurethane film was applied. The characteristics of the dried polymer film (such as adhesion metal/polymer, porosity, rusting degrees and blistering) were investigated using standardized tests while the corrosion resistance was evaluated by means of electrochemical techniques in solution 0.05 mol/L NaCl. The incorporation of silicate nanoparticles include in a polymeric matrix in the zinc coating provided good adhesion of the coating system without the need of applying a application of the passivation layer on the zinc coating.
publishDate 2012
dc.date.none.fl_str_mv 2012
dc.type.none.fl_str_mv info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/conferenceObject
Congreso
Book
http://purl.org/coar/resource_type/c_5794
info:ar-repo/semantics/documentoDeConferencia
status_str publishedVersion
format conferenceObject
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/230293
Avalicao de revestimientos de zinco com incorporacao de partículas polimericas; 32º Congresso Brasileiro de Corrosão-4th International Corrosion Meeting INTERCORR 2012; Salvador; Brasil; 2012; 1-11
CONICET Digital
CONICET
url http://hdl.handle.net/11336/230293
identifier_str_mv Avalicao de revestimientos de zinco com incorporacao de partículas polimericas; 32º Congresso Brasileiro de Corrosão-4th International Corrosion Meeting INTERCORR 2012; Salvador; Brasil; 2012; 1-11
CONICET Digital
CONICET
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language por
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eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.coverage.none.fl_str_mv Internacional
dc.publisher.none.fl_str_mv Universitaria de Salvador
publisher.none.fl_str_mv Universitaria de Salvador
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.070432

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