Cement composition

Details Cement composition Cement composition

1976-11-24

1978-01-17

Poer, J.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106314, 106315, C04B 702

Patent

active

040690636

ABSTRACT:
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 products, in amounts from 0.1% to 5.0% by weight of said ground cement. Lignosulfonates and other water reducers may also be added.

REFERENCES:
patent: 1848934 (1932-03-01), Case
patent: 2314188 (1943-03-01), Allen
patent: 3689294 (1972-09-01), Brunauer
patent: 3960582 (1976-06-01), Ball et al.

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