Hydraulic cement mix and process for its production

C - Chemistry – Metallurgy – 04 – B

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C04B 38/10 (2006.01) C04B 24/12 (2006.01)

Patent

CA 1274257

A B S T R A C T Hydraulic cement mix and process for its production A hydraulic cement mix comprising a hydraulic cement, aggregate in an amount of up to 80 % by weight based upon the total weight of said cement mix, sufficient water to effect hydraulic setting of the cement, and an air-entraining additive consisting essentially of a coconut fatty acid diethanolamide produced by reacting alkyl ester of coconut acid with diethanolamine, said additive being in an effective amount whereby air will be entrained in said mix in an amount of 3 % to 9 % by volume of said mix.

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