Cementitious formulations and products

Details Cementitious formulations and products Cementitious formulations and products

C - Chemistry, Metallurgy

04

B

C04B 14/04 (2006.01)

Patent

CA 2699903

Cementitious formulations and their products with enhanced reactivity are provided. Formulations in certain embodiments may include at least one calcium source, a reactant and a filler in a hydrated environment, wherein the reactant, in one form, is crystalline silica that has been modified for reactivity. Enhancement of a reactant may include one or more modifications to its content, grind and/or the cement to silica ratio, as well as addition of one or more additives in the formulation, additives in the form of at least one alumina source, defoamer, catalyst and/or a clay.

L'invention concerne des formulations cimentaires et leurs produits dont la réactivité est améliorée. Les formulations dans certains modes de réalisation peuvent comprendre au moins une source de calcium, un réactif et une charge dans un milieu hydraté, le réactif étant, dans une forme, une silice cristalline qui a été modifiée en termes de réactivité. L'amélioration d'un réactif peut comprendre une ou plusieurs modifications quant à son contenu, son broyage et/ou son rapport ciment à silice, ainsi que l'addition d'un ou plusieurs additifs dans la formulation, additifs sous la forme d'au moins un parmi une source d'alumine, un agent antimoussant, un catalyseur et/ou une argile.

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