Mixtures of fatty acid ammonium salts and polyol fatty acids...

Details Mixtures of fatty acid ammonium salts and polyol fatty acids... Mixtures of fatty acid ammonium salts and polyol fatty acids...

C - Chemistry, Metallurgy

23

F

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C23F 11/14 (2006.01) C10M 133/00 (2006.01) C23F 11/10 (2006.01)

Patent

CA 1275167

ABSTRACT OF THE DISCLOSURE Water-soluble corrosion-inhibiting mixtures con- taining a) one or more ammonium salts of fatty acids corresponding to the following general formula Image (I) in which n = 1 or 2 while R1, R2, R3 and R4 may be the same or different and represent hydrogen, unbranched or branched C1-C6 alkyl groups, C1-C6 hydroxyalkylene groups or C1-C8 aminoalkylene groups and R5 represents C6-C10 alkyl groups, and b) one of more polyol fatty acids and/or salts thereof corresponding to the following general formula (II) Image in which R6 is a C1-C19 alkyl or alkylene group and R7 represents an organic residue formed from a dihydroxy or polyhydroxy compound by elimination of a hydroxyl group, M(+) = H(+), Na(+), K(+) or an ammonium ion [R1R2R3R4N]n+, as In formula (I), and m is an integer of from 0 to 18, and to a process -21- for preparing these water-soluble mixtures and to the use of these mixtures for inhibiting corrosion in drilling oils, cutting oils, rolling oils, grinding oils, metal-cleaning solutions, coolants and lubricants. -22-

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