BISDITHIOPHOSPHORIC ACID DERIVATIVES AS LUBRICANT ADDITIVES
There are disclosed compounds of formula I (see formula I) wherein R1 and R2 are each independently of the other C3-C18alkyl, C5-C12cycloalky l, C5-C6cycloalkylmethyl, C9-C10bicycloalkylmethyl, C9-C10tricycloalkylmethyl, phenyl, C7-C24alkylphenyl or, taken together, are (see formula II) R3 is C2-C18...
Gespeichert in:
Hauptverfasser: | , |
---|---|
Format: | Patent |
Sprache: | eng ; fre |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | There are disclosed compounds of formula I (see formula I) wherein R1 and R2 are each independently of the other C3-C18alkyl, C5-C12cycloalky l, C5-C6cycloalkylmethyl, C9-C10bicycloalkylmethyl, C9-C10tricycloalkylmethyl, phenyl, C7-C24alkylphenyl or, taken together, are (see formula II) R3 is C2-C18alkylene which is interrupted by -O-, -S-, or -NR4-, or is a gro up of formula (see formula III) or (see formula IV) R4 is hydrogen, C1-C18alkyl, phenyl-C1-C4alkyl, phenyl or C1-C6alkyl- substituted phenyl, R5 is hydrogen or methyl. These compounds are particularly suitable for use as additives for lubricant compositions, hydraulic fluids and machining fluids. |
---|