C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
31/48
C23F 11/14 (2006.01) C23F 11/02 (2006.01)
Patent
CA 1339761
A corrosion control composition and method for boiler/condensate steam systems is provided. Corrosion is controlled by the addition to the feedwater of a relatively high molecular weight amine. The high molecular weight amine is formulated so that at the conditions of temperature and pressure in the boiler/condensate steam system, partial degradation into more volatile amines occurs. The resulting blend of neutralizing amines provides the superior corrosion control of a blend of neutralizing amines from a single amine feed. The preferred high molecular weight amine is dimethylaminopropylamine which will partially degrade into dimethylamine, trimethylamine, methylamine, and dimethylaminopropanol. #37/mm
597045
Mcdonald Alexandre C.
Rossi Anthony M.
Betz Laboratories Inc.
Betzdearborn Inc.
Borden Ladner Gervais Llp
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