Lubricant compositions, novel glucamine derivatives and complex

Details Lubricant compositions, novel glucamine derivatives and complex Lubricant compositions, novel glucamine derivatives and complex

1988-12-15

1989-12-12

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 327F, 252 333, 252 334, 252 34, 252 35, 252 427, 252 464, 252 466, 252 488, 252 496, 252 515A, 558 20, 558 44, 558 70, 560 8, 560129, 564463, 564500, 564501, 564506, 564510, C10M12904, C10M13302

Patent

active

048866105

ABSTRACT:
The invention relates to compositions comprising a lubricant or a hydraulic fluid and at least one compound of the general formula ##STR1## wherein n is 2, 3 or 4, X is --S--, --O--, --O--CO--or --CH.sub.2 --, R.sup.1 is C.sub.1 -C.sub.22 alkyl, C.sub.5 -C.sub.6 cycloalkyl or phenyl, and R.sup.2 is hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.2 -C.sub.4 alkyl which is substituted by an --OH group, or a group of the formula --CH.sub.2 --CH(OH)--CH.sub.2 --X--R.sup.1, wherein X and R.sup.1 have the given meanings, and to novel compounds of the formula indicated above. The glucamine derivatives of formula I are especially suitable for use as antiwear agents and as extreme pressure additives for mineral and synthetic lubricant oils and hydraulic fluids, and also as amphipolar ligands for imparting lipophilic properties to intrinsically hydrophilic metal salts, metal oxides, metal hydroxides and to protic acids. The complex compounds so obtained of the formula

REFERENCES:
patent: 4134846 (1979-01-01), Machleder et al.
patent: 4147641 (1979-04-01), Machleder et al.
patent: 4551257 (1985-11-01), Horodysky
patent: 4732691 (1988-03-01), Wirth et al.
patent: 4762628 (1988-08-01), Phillips et al.
patent: 4830770 (1989-05-01), Wirth et al.

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