C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/4115
C08L 27/06 (2006.01) C04B 7/02 (2006.01) C04B 28/02 (2006.01) C08L 27/08 (2006.01)
Patent
CA 1091376
Abstract of the Disclosure This invention is directed to cement additives comprising (1) a vinylidene chloride polymer latex, (2) a nonionic surfactant, (3) a polyelectrolyte comprising the product obtained by copolymerizing methylmethacrylate and a sulfoester of .alpha.-methylene carboxylic acid or its salt, and (4) a polyorganosiloxane foam depressant; and to portland cement compositions containing such additives.
306164
Lamoria Lz F.
Vandell Robert D.
Smart & Biggar
The Dow Chemical Company
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