C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 41/49 (2006.01) C08J 3/03 (2006.01) C08L 83/04 (2006.01) C09D 183/04 (2006.01)
Patent
CA 2257914
The emulsion comprises: 1) at least one resin M¿.alpha.?D¿.beta.?T¿.gamma.?Q¿.delta.?(OR)¿.epsilon.? (I) where: M=R?1¿R?2¿R?3¿SiO1/2, D1 = R?4¿R?5¿SiO2/2 T = R?6¿SiO3/2 Q = SiO4/2; 2) the reaction product between: 2a) one or several aromatic amines or polyfunctional aliphatics from 2 to 25 carbon atoms; 2b) one or several carboxylic acids or anhydrides containing 3 to 22 carbon atoms; 2c) at least one cross-linking agent which is a water-soluble metal complex. The invention is useful for waterproofing surfaces, in particular building materials paricularly stone, cement, concrete, mortar, bricks, tiles, wood, in which the above emulsion is used.
L'émulsion comprend: 1) au moins une résine M.alpha.D.beta.T.gamma.Q.delta.(OR).epsilon. (I) où: M = R1R2R3SiO1/2, D 1 = R4R5SiO2/2, T = R6SiO3/2, Q = SiO4/2; 2) le produit de réaction entre: 2a) une ou plusieurs amines aromatiques ou aliphatiques polyfonctionnelles contenant de 2 à 25 atomes de carbone; 2b) un ou plusieurs acides ou anhydrides carboxyliques contenant de 3 à 22 atomes de carbone; 2c) au moins un agent de réticulation qui est un complexe de métal hydrosoluble. Procédé d'hydrofugation de surfaces, en particulier des matériaux de construction du type notamment pierre, ciment, béton, mortier, briques, tuiles, bois, dans lequel on utilise l'émulsion ci-dessus.
Baker Gary
Garcin Eric
Goubet Sandrine
Prince John
Rhodia Chimie
Robic
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