C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 24/02 (2006.01) C04B 24/24 (2006.01) C04B 28/04 (2006.01) C04B 40/00 (2006.01)
Patent
CA 2606043
The invention relates to a composition comprising a hydraulic binder, a low molecular weight glycol having the formula C n H2n (OH)2 wherein n is an integer from 2 to 10, preferably 2 to 9,, and a fluorinated surfactant capable of reducing the surface tension of pure water to a value below 30 mN/m at a concentration of 1% or less. The invention also relates to a wet mortar or concrete composition comprising a hydraulic binder, a low molecular weight glycol having the formula C n H2n (OH)2 wherein n is an integer from 2 to 10, preferably 2 to 9,, and a fluorinated fluorinated surfactant capable of reducing the surface tension of pure water to a value below 30 mN/m at a dosage of 1% or less, water and sand and/or aggregates and/or fillers. The invention also relates to a method for preparing same.
Lafarge S.a.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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