C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 11/08 (2006.01)
Patent
CA 2580646
The present invention relates to multi-part coating compositions that comprise a first part which is an asphalt emulsion comprising water, asphalt, and a dispersion system and a second part which is a liquid polymer composition that lacks water. The asphalt emulsion and liquid polymer composition are combined in situ to provide a coating that has fast dry characteristics, and that quickly develops good water-resistance. Such compositions are useful as coatings on metal, wood, and other surfaces, where fast drying characteristics are important. Such compositions are particularly useful as coatings on substrates where early water-resistance of the coating is important, such as those surfaces which are routinely exposed to the outdoors.
L'invention porte sur des compositions à plusieurs composants comporter: une première partie consistant en une émulsion d'asphalte comprenant de l'eau, de l'asphalte et un système de dispersion, et une deuxième partie consistant en un polymère liquide sans eau. Les parties un et deux se mélangent sur le site en donnant un revêtement à séchage rapide atteignant vite une bonne résistance à l'eau. Lesdites compositions s'appliquent en particulier sur le métal, le bois ou d'autres surfaces lorsque la rapidité du séchage est un facteur important et sont particulièrement utiles pour revêtir des substrats nécessitant une résistance rapide à l'eau telles que les surfaces régulièrement exposées à l'air extérieur.
Hernandez Pamela
Peters Stephen
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Tremco Incorporated
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