Concrete admixtures
AssigneeCarboncure Technologies Inc.
InventorsGeorge Sean MONKMAN, Kevin CAIL, Paul J. SANDBERG, Alex HANMORE, Diane PRAUGHT, Yogiraj SARGAM
Life of this patent
Estimating the term…
Abstract
Provided are methods and compositions utilizing one or more admixtures in combination with carbon dioxide in cement mixes, such as cement mixes comprising aggregates (concrete), for example carbon dioxide at a dose of 0.01 to 5% by weight cement and one or more admixtures.
Claims25
A method for producing a cement mix comprising mixing water, cement, carbon dioxide, an admixture, and, optionally, aggregates, wherein the combination of carbon dioxide and admixture results in a concrete mix with a compressive strength at one or more time points that is greater than the same concrete mix with just admixture, and/or the same concrete mix with just carbon dioxide.
A composition comprising
- (i) a hydraulic cement;
- (ii) water;
- (iii) carbon dioxide and/or reaction products of carbon dioxide with the hydraulic cement, in an amount from 0.01 to 5% bwc;
- and
- (iv) an admixture in an amount from 0.01 to 5% bwc.
25-80. (canceled)
Dependencies are inferred from the claim text.