Dispersant for plaster compositions

Details Dispersant for plaster compositions Dispersant for plaster compositions

C - Chemistry, Metallurgy

04

B

C04B 24/26 (2006.01) C04B 28/14 (2006.01)

Patent

CA 2688445

The present invention relates to the use of a polymer P as a dispersant, particularly as a liquefier, for plaster compositions as well as plaster compositions comprising the polymer P. The polymer P comprises at least one acid unit, at least one ester unit, and at least one amide unit, and the ratio of the acid units to the ester and amide units is between 2 and 6.

La présente invention concerne l'utilisation d'un polymère P en qualité d'agent dispersant, en particulier en qualité de liquéfacteur pour les compositions de plâtre ainsi que des compositions de plâtre comprenant le polymère P. Le polymère P comprend au moins une unité d'acide, une unité d'ester et au moins une unité d'amide, et le rapport des unités d'amide par rapport aux unités d'ester et d'amide est entre 2 et 6.

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