Lubricant compositions, novel glucamine derivatives and complex

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

1986-06-20

1988-03-22

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 515A, 252 515R, C10M12904, C10M13308

Patent

active

047326913

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: 2856363 (1958-10-01), Brennan
patent: 3872116 (1975-03-01), Gyson
patent: 4549882 (1985-10-01), Knapp
patent: 4551257 (1985-11-01), Horodysky
C.A., vol. 92, 169055g (1980).
C.A., vol. 93, 53779n (1980).

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