| abstract |
Compositions containing a lubricant or a hydraulic fluid and at least one compound of the general formula I. wherein X is -S-, -O-, -CO-O-, -CH 2 - or -NR 5 - and R 5 is hydrogen or C 1 -C 8 alkyl, n is the number 0.1, 2 or 3 means R 'and R 2 are independently hydrogen or C 1 -C 12 alkyl, R 3 is hydrogen or methyl and R 4 is C 1 -C 22 alkyl, C 6 -C 8 cycloalkyl, unsubstituted or with one or two C 1 -C 6 alkyl radicals substituted aryl, C 7 -C 12 aralkyl or the group wherein R 1 , R 2 , R 3 and n have the meaning given.n n n The sulfur-containing phenol derivatives of the formula are particularly suitable as antiwear agents, high pressure additives and antioxidants for mineral and synthetic lubricants as well as for hydraulic fluids.n n n Furthermore, new phenol derivatives of formula 1 are described which are suitable as additives for lubricants, hydraulic fluids and elastomers. |