Use of an alkanesulfonic acid as agent for cleaning cement,...

Details Use of an alkanesulfonic acid as agent for cleaning cement,... Use of an alkanesulfonic acid as agent for cleaning cement,...

C - Chemistry, Metallurgy

04

B

C04B 41/00 (2006.01) C11D 3/34 (2006.01) C11D 7/34 (2006.01)

Patent

CA 2711209

The present invention relates to the use of at least one alkanesulfonic acid of formula R-SO3H, in which R represents a saturated, linear or branched, hydrocarbon chain containing 1 to 4 carbon atoms, as agent for cleaning cement, mortar, concrete, lime, laitance and other derived products. The invention also relates to a method of cleaning cement, mortar, concrete, lime, laitance and other derived products using at least one alkanesulfonic acid.

La présente invention concerne l'utilisation d'au moins un acide alcane- sulfonique de formule R-SO3H, où R représente une chaîne hydrocarbonée saturée, linéaire ou ramifiée, comportant de 1 à 4 atomes de carbone, comme nettoyant du ciment, mortier, béton, chaux, laitances et autres produits dérivés. L'invention concerne également un procédé de nettoyage des ciments, mortiers, bétons, chaux, laitances et autres produits dérivés, à l'aide d'au moins un acide alcane-sulfonique.

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