Cement admixture

Details Cement admixture Cement admixture

C - Chemistry, Metallurgy

04

B

261/85

C04B 24/04 (2006.01) C04B 24/26 (2006.01) C04B 28/02 (2006.01)

Patent

CA 1224813

Abstract of the Disclosure This invention provides a cement additive comprising a copolymer of an olefin having 2 to 8 carbon atoms with an ethyleni- cally unsaturated dicarboxylic acid anhydride and a cement additive comprising the copolymer and a water-reducing agent. The cement additive of this invention can prevent the lowering of the fluidity, or slump loss of a hydraulic cement mix such as concrete, mortar, or paste with the lapse of time and provide improved applicability and workability.

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