Additive for inorganic binders

Details Additive for inorganic binders Additive for inorganic binders

C - Chemistry, Metallurgy

08

G

402/81, 261/56.3

C08G 12/32 (2006.01) C04B 24/22 (2006.01) C08G 12/34 (2006.01) C08L 61/30 (2006.01)

Patent

CA 1133179

Abstract: Additive for inorganic binders, such as cements, calcium sulfate, magnesia cement and the like, which com- prises, as the active ingredient, a water-soluble salt of a mixed resin consisting of an aromatic aminosulfonic acid, urea, melamine and formaldehyde, the molar ratio, in the resin, of aromatic aminosulfonic acid to the total amount of melamine and urea being (0.2 to 1.0) : 1.0 and the molar ratio of melamine to urea being from 0.75 : 0,25 to 0.30 : 0.70, and also building materials, having increased flow- ability and early strength, in which this additive is present.

329419

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