Alkaline earth metal salts, transition metal salts and transitio

Details Alkaline earth metal salts, transition metal salts and transitio Alkaline earth metal salts, transition metal salts and transitio

1994-04-04

1995-10-17

Green, Anthony

Compositions: coating or plastic

Coating or plastic compositions

Corrosion inhibiting coating composition

106 1413, 106 1415, 106 1442, 106 1443, 106 1444, 252388, 252394, 252396, 4273855, 427386, 4273881, 4273884, 562465, 562471, 562496, C09D 500, C07C 5100

Patent

active

054586780

ABSTRACT:
There are described novel alkaline earth metal salts, transition metal salts and transition metal complexes of compounds of the formula I ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are, independently of one another, hydrogen, halogen, nitro, cyano, CF.sub.3, C.sub.1 -C.sub.15 alkyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.2 -C.sub.15 alkenyl, C.sub.1 -C.sub.12 haloalkyl, C.sub.1 -C.sub.12 alkoxy, C.sub.1 -C.sub.12 alkylthio, C.sub.6 -C.sub.10 aryl which is unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl; C.sub.6 -C.sub.10 aryloxy which is unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl; C.sub.7 -C.sub.12 arylalkyl which is unsubstituted or substituted on the aryl radical by from 1 to 3 C.sub.1 -C.sub.4 alkyl groups; --CO.sub.2 R.sub.6, --COR.sub.6 or ##STR2## where at least one of the radicals R.sub.1 to R.sub.5 is hydrogen, halogen or C.sub.1 -C.sub.15 alkyl, in addition the radicals R.sub.1 and R.sub.2, R2 and R.sub.3, R.sub.3 and R.sub.4 or R.sub.4 and R.sub.5 form, together with the carbon atoms to which they are bound, a benzo or cyclohexenyl ring,
R.sub.6 is C.sub.1 -C.sub.20 alkyl, C.sub.2 -C.sub.20 alkyl interrupted by oxygen, sulfur or >N--R.sub.9 ; C.sub.7 -C.sub.12 arylalkyl which is unsubstituted or substituted on the aryl radical by from 1 to 3 C.sub.1 -C.sub.4 alkyl groups, R.sub.7 and R.sub.8 are, independently of one another, hydrogen, C.sub.1 -C.sub.24 alkyl or C.sub.2 -C.sub.24 alkyl interrupted by oxygen, sulfur or >N--R.sub.9,
R.sub.9 is hydrogen or C.sub.1 -C.sub.8 alkyl, and
n is an integer in the range from 1 to 10 for use, as corrosion inhibitors in coating compositions for protecting metal surfaces.

REFERENCES:
patent: 3382081 (1968-05-01), Cutter et al.
patent: 3876800 (1975-04-01), Krausz et al.
patent: 4909987 (1990-03-01), Penninger et al.
patent: 5250325 (1993-10-01), Philips et al.
patent: 5277709 (1994-01-01), Armstrong et al.
Houben-Weyl Methoden der Organischen Chemie (1952) 381-382 (no month).
Houben-Weyl Methoden der Organischen Chemie (1985) 398-399 (no month).

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