Characterisation of an anticorrosive phosphated surfactant and its use in water-borne coatings

The physicochemical features of a surfactant are quite important in the formulation of polymer water-borne coatings mainly due to the strong influence of the micelles on the nucleation and stability of dispersed polymer particles. In consequence, micellar transitions must be determined in order to o...

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Bibliographic Details
Published in:Progress in organic coatings 2005-04, Vol.52 (4), p.366-371
Main Authors: Reyes, Y., Rodríguez, F.J., del Río, J.M., Corea, M., Vázquez, F.
Format: Article
Language:English
Subjects:
Analytical chemistry
Applied sciences
Chemistry
Coatings. Paints, varnishes and inks
Corrosion
Corrosion inhibitor
Corrosion mechanisms
Electrochemical methods
Exact sciences and technology
Film formation and curing, properties, testing
Metals. Metallurgy
Phosphated surfactant
Polymer industry, paints, wood
Water-borne coatings
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Summary:The physicochemical features of a surfactant are quite important in the formulation of polymer water-borne coatings mainly due to the strong influence of the micelles on the nucleation and stability of dispersed polymer particles. In consequence, micellar transitions must be determined in order to obtain aqueous dispersions of spherical shaped particles with high monodispersion in size, which allows to obtain coatings with an improved performance. Besides, depending on its chemical structure, the surfactant could also have anticorrosive properties. In this work, a phosphate-based surfactant was characterised and its electrochemical properties were evaluated in order to use it as a stabiliser agent of a series of monodisperse styrene-acrylic lattices, synthesised by semi-continuous emulsion polymerisation. EIS was used to evaluate the anticorrosive properties of coatings obtained from polymeric dispersions.
ISSN:0300-9440
1873-331X
DOI:10.1016/j.porgcoat.2004.09.008