Cement composition

Details Cement composition Cement composition

C - Chemistry, Metallurgy

04

B

261/58

C04B 7/35 (1980.01) C04B 13/22 (1980.01)

Patent

CA 1105502

Case Docket No. CHR 76-13 CEMENT COMPOSITION Abstract of the Disclosure A portland cement product with or without added gypsum is described in which carbon dioxide gas has been homogeneously reacted with the cement slurry during the water-cement mixing. The use of carbon dioxide in an amount from 0.1% to 6.0% by weight of ground cement controls setting and also results in hydraulic cement mixes which are more stable following hydration. The portland cement mixes of this invention may also include the addition of certain acids or acid/salts in amounts sufficient to improve fluidity and accelerate hydration and hardening of the cement pro- ducts, in amounts from 0.1% to 5.0% by weight of said ground cement Lignosulfonates and other water reducers may also be added.

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