C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/56
C09K 15/00 (2006.01) C09D 5/08 (2006.01) C09K 15/20 (2006.01) C23F 11/02 (2006.01) C23F 11/14 (2006.01)
Patent
CA 1041284
ABSTRACT OF THE DISCLOSURE Filming amine emulsions employing polyoxyalkylene- containing tertiary amines are used to protect metal piping and apparatus which are subject to corrosive attack by aqueous media which is being transported or with which they are other- wise in contact. The corrosion-inhibiting composition com- prises an aliphatic film-forming amine, water, and a poly- oxyalkylene-containing tertiary amine dispersing agent represented by the formula: Image wherein R1 and R2 are aliphatic hydrocarbon radicals having from 12 to 20 carbon atoms, and wherein R2O is a polyoxy- alkylene chain of ransomly distrubuted oxyethylene and oxy- propylene units in a ratio of from 1:10 to 10:1 respectively, the total of all units in the chain being n, which is an integer of 3 to 100. The corrosion-inhibiting composition may also include an aliphatic amine salt, particularly tallow amine acetate, and/or a neutralizing amine, particularly diethylaminoethanol.
212479
Cornelius Thomas E. (iii)
Walker Jerry L.
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