Self-levelling cement based composition

Details Self-levelling cement based composition Self-levelling cement based composition

C - Chemistry, Metallurgy

04

B

C04B 24/00 (2006.01) C04B 24/32 (2006.01) C04B 28/02 (2006.01) E04F 15/12 (2006.01)

Patent

CA 2290643

The invention concerns a self-levelling composition for floor screeds, characterised in that it has a base of Portland cement or mixed cement (CM II or CM III), and further comprises at least sand, water and at least a liquefier which is a water soluble and water dispersible organic compound (I),containing at least an amino-di(alkylenephosphonic) group and at least a polyalkylated chain, or at least a salt of the compound (I).

La présente invention concerne une composition autonivelante pour chapes de sol, caractérisée en ce qu'elle est à base de ciment Portland ou de ciment mélangé CM II ou CM III, et en ce qu'elle comprend en outre, au moins du sable, de l'eau et au moins un fluidifiant qui est un composé organique (I) hydrosoluble ou hydrodispersable, comportant au moins un groupement amino-di(alkylènephosphonique) et au moins une chaîne polyoxyalkylée, ou au moins un sel du composé (I).

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