Cement mixes and admixtures thereof

C - Chemistry – Metallurgy – 04 – B

Patent

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261/56.1

C04B 24/18 (2006.01) C04B 24/20 (2006.01) C04B 28/02 (2006.01)

Patent

CA 1260963

ABSTRACT OF THE DISCLOSURE Cement mix, particularly concrete mixes, for high compressive strength including early compressive strength, have extended workability without substantial loss in rate of hardening when containing an admixture combination of a sulfonated naphthalene-formaldehyde condensated and fractionated sulfonated lignin, such as ultrafiltered lignosulfonate. - 17 -

519301

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