C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
C23F 11/173 (2006.01) B01J 13/14 (2006.01) C08G 77/06 (2006.01)
Patent
CA 2041601
RUST INHIBITING SILICONE EMULSIONS ABSTRACT Disclosed are emulsions which do not rust or corrode steel surfaces and further do not contain rust or corrosion inhibiting additives. The emulsions encompassed in this invention are produced using mechanical or emulsion polymerization emulsification methods. The mechanically produced emulsions must contain at least one cationic surfactant containing an anion which has a parent acid with a PKa of 3 or greater. The emulsion produced using emulsion polymerization methods are produced from (A) at least one cationic surfactant containing an anion which has a parent acid with a PKa of 3 or greater, (B) a basic or strongly basic catalyst, and (C) a catalyst neutralizer selected from acids having a PKa of 3 or greater and having the capability of neutralizing the catalyst. These emulsions are useful in applications where they might come in contact with steel surfaces.
Dow Corning Corporation
Gee Ronald P.
Gowling Lafleur Henderson Llp
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