Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1977-07-15
1978-04-25
Rzucidlo, Eugene C.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 2915B, 260 296ME, 260 296SQ, 260 4213, C08K 300
Patent
active
040862003
ABSTRACT:
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.
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patent: 3043790 (1962-07-01), Sanders
patent: 3250736 (1966-05-01), Gibbs et al.
patent: 3917574 (1975-11-01), Gibbs et al.
patent: 3936408 (1976-02-01), Adams et al.
patent: 3965032 (1976-06-01), Gibbs et al.
patent: 4015991 (1977-04-01), Persinski et al.
Lamoria Lz F.
Van Dell Robert D.
Brookens Ronald G.
Rzucidlo Eugene C.
The Dow Chemical Company
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