Method for removing an ultraviolet light cured floor finish,...

C - Chemistry – Metallurgy – 09 – D

Patent

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C09D 9/00 (2006.01) E04G 23/02 (2006.01)

Patent

CA 2381228

A UV cured floor finish can be removed from a floor by applying to the cured finish an inhomogeneous stripper composition containing at least one polar solvent, allowing the stripper composition to contact the finish for sufficient time to soften the finish, and removing the softened finish from the floor by mopping, vacuuming, mild abrasion or other measures that do not remove substantial portions of the floor. Preferably the polar solvent is denser than water and preferably the stripper composition has a diffusion rate through the cured finish greater than about 7 × 10 -7 g/cm2/sec. Strippable floor finish kits can be manufactured by combining a UV curable floor finish composition and an inhomogeneous stripper composition containing at least one polar solvent.

Pour enlever sur un sol un revêtement de sol photopolymérisé par les ultraviolets, on applique sur le revêtement de sol photopolymérisé par les ultraviolets une composition de décapant non homogène contenant au moins un solvant polaire, on laisse la composition en contact avec le revêtement pendant une durée suffisante pour que ce dernier ramollisse et on élimine le revêtement ramolli présent sur le sol à l'aide d'un balai laveur, d'un aspirateur, d'un abrasif léger ou de tout autre moyen n'éliminant pas des parties substantielles du sol. De préférence, le solvant polaire est plus dense que l'eau et de préférence la vitesse de diffusion de la composition dans le revêtement polymérisé est supérieure à environ 7 X 10<-7> g/cm<2>/sec. On peut produire des kits pour revêtements de sol pelables qui comprennent une combinaison formée d'une composition de revêtement de sol photopolymérisable par les ultraviolets et une composition de décapant non homogène contenant au moins un solvant polaire.

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