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The use of spherical extenders in VOC compliant coatings / Ben J. Carlozzo in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 69, N° 870 (07/1997)

[article]
inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 69, N° 870 (07/1997) . - p. 71-84

Titre :	The use of spherical extenders in VOC compliant coatings
Type de document :	texte imprimé
Auteurs :	Ben J. Carlozzo, Auteur
Année de publication :	1997
Article en page(s) :	p. 71-84
Note générale :	Bibliogr.
Langues :	Américain (ame)
Catégories :	Anticorrosifs Anticorrosion Charges (matériaux) Dioxyde de titane Epoxydes Formulation (Génie chimique) Microsphères Particules (matières) Pigments inorganiques Primaire (revêtement) Revêtement de céramique Revêtements Revêtements -- Propriétés mécaniques:Peinture -- Propriétés mécaniques Verre
Index. décimale :	667.9 Revêtements et enduits
Résumé :	The result of this study clearly show that definite advantages exist with using hollow light density spheres to replace an extender on an equal volume basis. There are additional monetary benefits to replacing TiO2 as seen by the results of the tint strenght study. The corrosion study was probably the most convincing display of the benefits of hollow spheres. Almost one-third of the inhibitive pigment was removed while achieving better corrosion resistance at equal volume solids and PVC. The ability to lower VOCs was demonstrated by the equal Stormer viscosity matches possible by removing solvent in the modified formulations. Addition of microspheres alone, which reduced VOCs faster, was not always practical due to the higher PVCs obtained. The overall results show large benefits attributable to the use of spherical extenders which are well worth the investigation.
Note de contenu :	- SOLID SPHERES : Solid glass spheres - Solid ceramic microspheres - General comments - HOLLOW MICROSPHERES : Hollow glass microspheres - Hollow ceramic spheres - PHYSICAL TESTING : Grind (Hegman) - Brookfield viscosity - ICI viscosity - Salt fog resistance - Scrub resistance/falling sand abrasion resistance (alkyd only) - QUV testing - Spreading rate - Hardness (pencil, sward) - Chemical, solvent and stain resistance - Tint strenght - Tabor abrasion resistance - ADDITIONAL INVESTIGATIONS : TiO2 substitution study - Epoxy primer corrosion study
Permalink :	https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18291

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