C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/56.1
C04B 24/26 (2006.01)
Patent
CA 1143385
IMPROVED MORTAR LATEX MIX Abstract of the Disclosure Improved Portland cement compositions are provided by the use of a combination of additives which increase plasticity and allow the use of less water. When the mix- ture is cured or set, the resultant concrete has higher com- pressive strength, higher flexural and shear strength, is believed to be markedly less susceptible to penetration by moisture or corrosive liquids, and have greater freeze-thaw stability. Such concrete is highly advantageous in thin paving sections such as bridge deck overlays, overpasses, elevated freeways and the like. The preferred additives are a latex of a styrene-butadiene containing polymer and a dis- persing agent such as a polymerized naphthalene sulfonic acid or a salt thereof. - 1 -
366299
Burkhart Gerald W.
Ceska Gary W.
Henderson Donald A.
Polysar International S.a.
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