Mixed metal salts/sulfurized phenate compositions and lubricants

Details Mixed metal salts/sulfurized phenate compositions and lubricants Mixed metal salts/sulfurized phenate compositions and lubricants

1981-12-24

1983-11-29

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 35, 252 38, 252 427, 252 467, 252400R, 252406, C10M 148

Patent

active

044179901

ABSTRACT:
A composition comprising (A) a mixed metal salt of (A)(I) at least one acid of formula I ##STR1## wherein R' and R.sup.2 are the same or different and each of R' and R.sup.2 is a hydrocarbon-based radical, and (A)(II) at least one aliphatic or alicyclic carboxylic acid containing from about 2 to about 40 carbon atoms; the ratio of equivalents of (A)(I) to (A)(II) being in the range of about 0.5:1 and about 400:1; and (B) at least one sulfurized Group II metal phenate; the weight ratio of (A) to (B) being in the range of about 40:1 to about 1:2. These compositions are useful in lubricants and functional fluids (such as hydraulic fluids) as antioxidants and extreme pressure agents having improved thermal stability.

REFERENCES:
patent: 3178368 (1965-04-01), Hanneman
patent: 3437595 (1969-04-01), Coupland
patent: 3523081 (1970-08-01), Braid
patent: 3625893 (1971-12-01), Brook et al.
patent: 3629109 (1971-12-01), Gergel et al.
patent: 3726798 (1973-04-01), Silver

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