Rapidly binding high-strength cement binding agent and...

Details Rapidly binding high-strength cement binding agent and... Rapidly binding high-strength cement binding agent and...

C - Chemistry, Metallurgy

04

B

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C04B 24/22 (2006.01) C04B 7/52 (2006.01) C04B 28/02 (2006.01) C04B 28/04 (2006.01) C08G 8/28 (2006.01) C08L 61/14 (2006.01)

Patent

CA 1203817

ABSTRACT OF THE DISCLOSURE: The present invention relates to a hydraulic binding agent with a controlled setting time and which attains high strength from the beginning of setting. The hydraulic binding agent is prepared from 85 to 99.89 % cement clinker, with the specific surface area of 150 to 3000 m2/kg and with 5 to 95 % by weight of particles smaller than 5 µm, 0.01 to 10 % by weight of a salt of sulfomethylated condensation product of phenols with formaldehyde, up to 70 % acidic groups of which are occupied by a trivalent cation from the metal group comprising iron, aluminum and chromium in the amount of 0.01 to 5 % by weight related to the weight of ground cement, 0.1 to 10 % by weight of alkaline hydroxide, carbonate, hydrogencarbonate, silicate, hydro- gensilicate, hydrogensulfite and oxalate, and at least 20 % by weight of formation water. The condensation product may be partly oxidized. The hydraulic binding agent is suitable for numerous purposes of building industry.

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