Improvement of anticorrosive performance of phosphate-based alkyd paints with suitable additives

The purpose of this investigation was focused on reducing the content of zinc phosphate in anticorrosive paints by means of the incorporation of low quantities of selected soluble corrosion inhibitors. The article describes the anticorrosive behavior of alkyd paints containing reduced levels of zinc...

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Detalles Bibliográficos
Autores principales: Blustein, Guillermo, Deyá, Marta Cecilia, Romagnoli, Roberto, Di Sarli, Alejandro Ramón, Del Amo, Delia Beatriz
Formato: Articulo
Lenguaje:Inglés
Publicado: 2011
Materias:
Ingeniería Química
Anticorrosive paints
Phosphate pigments
Soluble additives
Electrochemical impedance spectroscopy
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/94940
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-94940
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ingeniería Química
Anticorrosive paints
Phosphate pigments
Soluble additives
Electrochemical impedance spectroscopy
spellingShingle Ingeniería Química
Anticorrosive paints
Phosphate pigments
Soluble additives
Electrochemical impedance spectroscopy
Blustein, Guillermo
Deyá, Marta Cecilia
Romagnoli, Roberto
Di Sarli, Alejandro Ramón
Del Amo, Delia Beatriz
Improvement of anticorrosive performance of phosphate-based alkyd paints with suitable additives
topic_facet Ingeniería Química
Anticorrosive paints
Phosphate pigments
Soluble additives
Electrochemical impedance spectroscopy
description The purpose of this investigation was focused on reducing the content of zinc phosphate in anticorrosive paints by means of the incorporation of low quantities of selected soluble corrosion inhibitors. The article describes the anticorrosive behavior of alkyd paints containing reduced levels of zinc phosphate, zinc oxide, and some soluble compounds used as additives (e.g., sodium polyphosphate, sodium phosphate, and sodium benzoate). Anticorrosive solventborne alkyd paints were formulated with a zinc phosphate content of 10% by volume (v/v) with respect to the total pigment concentration. In all cases, the PVC/CPVC (pigment volume concentration/critical pigment volume concentration) ratio was 0.8. Experimental paints, applied on sandblasted SAE 1010 panels, were evaluated by accelerated tests (salt spray cabinet) and electrochemical measurements (electrochemical impedance spectroscopy, EIS). The results show that the additions of small amounts of soluble corrosion inhibitors to low content zinc phosphate paint formulations enhance their performance in a very remarkable way. Perhaps, the most outstanding feature is that the employment of soluble additives allowed the reduction of the zinc phosphate content with concomitant savings.
format Articulo
Articulo
author Blustein, Guillermo
Deyá, Marta Cecilia
Romagnoli, Roberto
Di Sarli, Alejandro Ramón
Del Amo, Delia Beatriz
author_facet Blustein, Guillermo
Deyá, Marta Cecilia
Romagnoli, Roberto
Di Sarli, Alejandro Ramón
Del Amo, Delia Beatriz
author_sort Blustein, Guillermo
title Improvement of anticorrosive performance of phosphate-based alkyd paints with suitable additives
title_short Improvement of anticorrosive performance of phosphate-based alkyd paints with suitable additives
title_full Improvement of anticorrosive performance of phosphate-based alkyd paints with suitable additives
title_fullStr Improvement of anticorrosive performance of phosphate-based alkyd paints with suitable additives
title_full_unstemmed Improvement of anticorrosive performance of phosphate-based alkyd paints with suitable additives
title_sort improvement of anticorrosive performance of phosphate-based alkyd paints with suitable additives
publishDate 2011
url http://sedici.unlp.edu.ar/handle/10915/94940
work_keys_str_mv AT blusteinguillermo improvementofanticorrosiveperformanceofphosphatebasedalkydpaintswithsuitableadditives
AT deyamartacecilia improvementofanticorrosiveperformanceofphosphatebasedalkydpaintswithsuitableadditives
AT romagnoliroberto improvementofanticorrosiveperformanceofphosphatebasedalkydpaintswithsuitableadditives
AT disarlialejandroramon improvementofanticorrosiveperformanceofphosphatebasedalkydpaintswithsuitableadditives
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bdutipo_str Repositorios
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