Corrosion-resistant compositions

Details Corrosion-resistant compositions Corrosion-resistant compositions

C - Chemistry, Metallurgy

23

F

31/49

C23F 11/14 (2006.01) C07D 207/00 (2006.01) C09D 5/08 (2006.01) C10M 133/44 (2006.01) C10M 135/36 (2006.01)

Patent

CA 2011175

Corrosion-resistant compositions Abstract of the Disclosure The present invention provides a composition comprising a coating material or a lubricant and, as corrosion inhibitor and/or antioxidant, at least one compound having theformula I Image I wherein A is a phenyl of naphthyl residue or a residue of a heterocyclic ring having 5-7 ring members and containing 1 to 4 nitrogen atoms and 0 to 2 sulphur or oxygen atoms and which is substituted by n groups R3; R1 and R2 are the same or different and each is hydrogen, C1-C4 alkyl or C6-C10 aryl; R3 is C1-C15 alkyl, C1-C4 halogenoalkyl, C1-C12 alkoxy, thio, C1-C12 alkylthio, phenylthio, benzylthio, phenyl, C7-C15 alkylphenyl, C7-C10 phenylalkyl, halogen, nitro, cyano, carboxy-(C1-C12 alkyl), hydroxy, amino, CONH2, CONH(R4), CON(R4)2, NHR4 or N(R4)2 in which R4 is C1-C15 alkyl, C3-C15 alkyl interrupted by one or more oxygen atoms, or is C5-C12 cycloalkyl, benzyl or phenyl which is optionally substituted by halogen, C1-C4 alkyl, C1-C4 alkoxy or nitro, or the group N(R4)2 is a pyrrole, piperidine or morpholine group; and n is 0, 1, 2 or 3.

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