C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 24/32 (2006.01) C04B 40/00 (2006.01)
Patent
CA 2393624
Water-soluble air-controlling agents can be admixed with dispersant for cementitious compositions to provide an admixture for cementitious compositions that is stable over time. The water-soluble air-controlling agents are compatible with water based polycarboxylate polymer dispersants. Suitable water-soluble air-controlling agents include alkoxylated polymers. A cementitious composition is provided that includes cement, water, a dispersant for cementitious compositions, and a water-soluble air-controlling agent. A method is provided for making a cementitious composition that includes mixing cement, water, a dispersant for cementitious compositions, and a water-soluble air-controlling agent.
L'invention concerne des agents hydrosolubles de régulation de l'air, pouvant être mélangés à un agent dispersant pour compositions à base de ciment servant à produire un mélange destiné à des compositions à base de ciment, stable dans le temps. Les agents hydrosolubles de régulation de l'air sont compatibles avec des agents dispersants polymères polycarboxylate à base d'eau. L'invention concerne également une composition à base de ciment qui comprend du ciment, de l'eau, un agent dispersant, et un agent hydrosoluble de régulation de l'air. L'invention concerne en outre un procédé de fabrication de la composition à base de ciment qui consiste à mélanger du ciment, de l'eau, un agent dispersant et un agent hydrosoluble de régulation de l'air.
Bury Jeffrey R.
Luciano John
Shendy Samy M.
Vickers Thomas M. Jr.
Construction Research & Technology Gmbh
Kirby Eades Gale Baker
Mbt Holding Ag
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