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Anticorrosive properties of the SrO–ZnO–B 2 O 3 –P 2 O 5 system pigments in coating compositions

Anticorrosive properties of the SrO–ZnO–B 2 O 3 –P 2 O 5 system pigments in coating compositions Four pigments derived from the SrO–ZnO–B 2 O 3 –P 2 O 5 system were tested in a solvent coating system based on a modified alkyd resin and water‐borne system based on a styrene–acrylate dispersion. The pigments pastes were applied on activated steel panels and after conditioning standard corrosion tests were performed comprising the determination of resistance to humid atmospheres containing SO 2 and also the resistance to a neutral salt fog. Test results were compared with those performed on the coatings prepared with standard anticorrosion pigments of Zn 3 (PO 4 ) 2 .2H 2 O, Ca(BO 2 ) 2 , Zn(BO 2 ) 2 a Ba(BO 2 ) 2 . Some tested pigments revealed at least comparable corrosion‐inhibition properties with standard pigments. Coatings based on alkyd resins gave better results than those prepared form water‐borne system. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Pigment & Resin Technology Emerald Publishing

Anticorrosive properties of the SrO–ZnO–B 2 O 3 –P 2 O 5 system pigments in coating compositions

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References (7)

Publisher
Emerald Publishing
Copyright
Copyright © 2002 MCB UP Ltd. All rights reserved.
ISSN
0369-9420
DOI
10.1108/03699420210412548
Publisher site
See Article on Publisher Site

Abstract

Four pigments derived from the SrO–ZnO–B 2 O 3 –P 2 O 5 system were tested in a solvent coating system based on a modified alkyd resin and water‐borne system based on a styrene–acrylate dispersion. The pigments pastes were applied on activated steel panels and after conditioning standard corrosion tests were performed comprising the determination of resistance to humid atmospheres containing SO 2 and also the resistance to a neutral salt fog. Test results were compared with those performed on the coatings prepared with standard anticorrosion pigments of Zn 3 (PO 4 ) 2 .2H 2 O, Ca(BO 2 ) 2 , Zn(BO 2 ) 2 a Ba(BO 2 ) 2 . Some tested pigments revealed at least comparable corrosion‐inhibition properties with standard pigments. Coatings based on alkyd resins gave better results than those prepared form water‐borne system.

Journal

Pigment & Resin TechnologyEmerald Publishing

Published: Feb 1, 2002

Keywords: Corrosion prevention; Coatings

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