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Understanding the Effects of NaCl Concentration on Zinc Phosphate Pigment Morphology and Composition by Advection Through Phenoxy Thermoplastic Free Films

Understanding the Effects of NaCl Concentration on Zinc Phosphate Pigment Morphology and Composition by Advection Through Phenoxy Thermoplastic Free Films
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Corrosion is a major concern for all materials during their service lives. In particular, salts such as sodium chloride (NaCl) are known to promote corrosion and detrimentally affect coating performance. Understanding how NaCl affects water uptake into a film and its interactions with corrosion-inhibiting pigments is important for developing the next generation of anticorrosive coatings. 

Product Number: 41215-879-SG
Author: Robert C. Bennett, Greg Curtzwiler, Christina Konecki, Dilhan Fernando, James W. Rawlins
Publication Date: 2015
Industries: Coatings , Coatings and Linings
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$20.00
$20.00

Corrosion is a major concern for all materials during their service lives. In particular, salts such as sodium chloride (NaCl) are known to promote corrosion and detrimentally affect coating performance. Understanding how NaCl affects water uptake into a film and its interactions with corrosion-inhibiting pigments is important for developing the next generation of anticorrosive coatings. Energy Dispersive Spectroscopy was employed to qualitatively determine the presence of NaCl in coating free films after immersion in aqueous NaCl solutions. The results correlated well with Inductively Coupled Plasma (ICP) data of the same solutions for the amount of sodium lost during immersion, but not for the chloride. ICP also detected the presence of zinc and phosphate ions that had leached from the coating.

Corrosion is a major concern for all materials during their service lives. In particular, salts such as sodium chloride (NaCl) are known to promote corrosion and detrimentally affect coating performance. Understanding how NaCl affects water uptake into a film and its interactions with corrosion-inhibiting pigments is important for developing the next generation of anticorrosive coatings. Energy Dispersive Spectroscopy was employed to qualitatively determine the presence of NaCl in coating free films after immersion in aqueous NaCl solutions. The results correlated well with Inductively Coupled Plasma (ICP) data of the same solutions for the amount of sodium lost during immersion, but not for the chloride. ICP also detected the presence of zinc and phosphate ions that had leached from the coating.

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Understanding the Effects of NaCl Concentration on Zinc Phosphate Pigment Morphology and Composition by Advection Through Phenoxy Thermoplastic Free Films
Available for download

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Corrosion is a major concern for all materials during their service lives. In particular, salts such as sodium chloride (NaCl) are known to promote corrosion and detrimentally affect coating performance. Understanding how NaCl affects water uptake into a film and its interactions with corrosion-inhibiting pigments is important for developing the next generation of anticorrosive coatings. 
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