C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
253/92, 260/467.
C07C 333/10 (2006.01) C07C 333/26 (2006.01) C07C 333/28 (2006.01) C07C 335/24 (2006.01) C07C 335/26 (2006.01) C10M 135/16 (2006.01) C10M 135/18 (2006.01) C10M 135/26 (2006.01)
Patent
CA 2006419
A composition comprising a) a lubricant or a hydraulic fluid and b) at least one compound of the general formula I Image in which x = 1 or 2 and, if x=1, R is as defined for R1 or R3-O- or, if x=2, R is as defined for R8, and R1 and R3 are, for example, alkyl, cycloalkyl, alkenyl, phenyl, naphthyl, aralkyl or alkaryl, or alkyl, cycloalkyl, alkenyl, phenyl, naphthyl, aralkyl or alkaryl, which are monosubstituted or polysubstituted by groups from the series comprising halogen, cyano, nitro, e.g. -OCH3 or e.g. -COOCH3, or alkyl, cycloalkyl, alkenyl, aralkyl or alkaryl which are interrupted by one or more groups from the series comprising -O-, -S-, -NH- , Image , or alkyl, cycloalkyl, alkenyl, aralkyl or alkaryl which are monosubstituted or polysubstituted by groups from the series comprising halogen, cyano, nitro, e.g. -OCH3 or e.g. -COOCH3 and interrupted by one or more groups from the series comprising -O-, -S-, -NH-, Image or ; Image , and R2 is NR4R5, -OR6 or -SR7, and R4 and R5 are identical or different and are, for example, -H, alkyl, phenyl, naphthyl, aralkyl or alkaryl, or R4 and R5, together with the N atom linking them, form, for example, a piperidine or morpholine radical, and R6 and R7 can be alkyl which may be interrupted by one or more groups from the series comprising -O-, -S-, -NH-, Image or Image , or are, for example, phenyl, naphthyl, alkaryl or aralkyl, and R8 can be alkylene which may be interrupted by at least one -O- group or alkylidene which may be interrupted by at least one -O- group. Some of the compounds of the formula I are novel. The compositions show an improved stability towards oxidative degradation, confer protection under extreme pressures and reduce frictional wear.
Camenzind Hugo
Nesvadba Peter
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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