High strength flooring compositions

Details High strength flooring compositions High strength flooring compositions

C - Chemistry, Metallurgy

04

B

C04B 28/14 (2006.01) C04B 22/14 (2006.01) C04B 24/26 (2006.01) C04B 24/38 (2006.01) C04B 40/00 (2006.01) E04F 15/12 (2006.01)

Patent

CA 2478323

A composition is disclosed for a mixture to be used in conjunction with water for preparing a slurry that hydrates to form a high strength flooring compound. The mixture includes from about 50% to about 98% by weight calcium sulfate hemihydrate, having at least 25% of the calcium sulfate hemihydrate in the beta-calcined form. A polycarboxylate dispersant is included in the mixture in amounts from about 0.2% to about 10% by weight. The mixture also includes 0.05-50% by weight enhancing component. When combined with recommended amounts of water, a slurry is formed that is useful as a flooring composition.

L'invention porte sur une composition pour un mélange à utiliser avec de l'eau afin de préparer une pâte hydratante pour fabriquer un composé pour revêtements de sols à résistance élevée. Ce mélange comprend entre 50 % et 98 % en poids environ de calcium sulfate hemihydrate, 25 % du calcium sulfate hemihydrate se présentant sous la forme de calcination bêta. Un dispersant de polycarboxylate est inclus dans le mélange dans des quantités comprises entre environ 0,2 % et 10 % en poids. Le mélange comprend également entre 0,05 et 50 % en poids d'un composé facilitant. Lorsqu'il est combiné avec les quantités recommandées d'eau, une pâte est obtenue qui est utile en tant que composition pour revêtements de sols.

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