C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 24/26 (2006.01)
Patent
CA 2739371
The present invention relates to the use, in the manufacture of an aqueous hydraulic binder formulation, of a combination of at least one comb copolymer having a (meth)acrylic backbone on which side chains ending in a hydrophilic grouping are grafted and at least one comb copolymer having a (meth)acrylic backbone on which side chains ending in a hydrophobic grouping are grafted. The handling of said formulation is eventually improved without causing a segregation phenomenon.
La présente invention concerne l'utilisation, dans la fabrication d'une formulation aqueuse à base de liants hydrauliques, de combinaison entre au moins un copolymère peignes disposant d'un squelette (méth)acrylique, sur lequel sont greffées des chaînes latérales terminées par un groupement hydrophile, et au moins un copolymère peignes disposant d'un squelette (méth)acrylique, sur lequel sont greffées des chaînes latérales terminées par un groupement hydrophobe. On parvient à améliorer la maniabilité de ladite formulation, sans provoquer de phénomène de ségrégation.
Guerret Olivier
Moro Jean
Platel David
Coatex S.a.s.
Robic
LandOfFree
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