Functional fluid with borated epoxides, carboxylic solubilizers,

Details Functional fluid with borated epoxides, carboxylic solubilizers, Functional fluid with borated epoxides, carboxylic solubilizers,

1992-12-17

1994-02-08

Johnson, Jerry D.

Compositions

Electrolytes for electrical devices

252 327E, 252 332, 252 25, 252 496, 252 515A, 252 75, 252 18, 252 45, 252 781, C10M14112

Patent

active

052845915

ABSTRACT:
A multipurpose functional fluid is disclosed which is comprised of a major amount of a hydrocarbon oil and a minor amount, sufficient to improve characteristics of the fluid of a novel additive. The additive is comprised of a calcium salt complex, a group II metal dithiophosphate salt, a borated epoxide, a carboxylic solubilizer and a sulfurized composition. The calcium salt is preferably in the form of an overbased calcium sulfonate salt, the antiwear agent is preferably in the form of a zinc dithiophosphate salt, the borated epoxide is preferably the reaction product of boric acid and a 16 carbon 1,2 epoxide, the carboxylic solubilizer is preferably in the form of a reaction product of an acylating agent containing a substituted hydrocarbyl-based substituent containing about 12 to 500 carbon atoms; and the sulfurized composition is in the form of a cosulfurized mixture of 2 or more reactants selected from the group consisting of at least one fatty acid ester of a polyhydric alcohol, at least one olefin and at least one fatty acid. Other components such as viscosity improvers and antifoaming agent are generally present in the fluid.

REFERENCES:
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patent: 3714042 (1973-01-01), Greenough
patent: 3933659 (1976-01-01), Lyle et al.
patent: 3953347 (1976-04-01), Habiby
patent: 4116877 (1978-09-01), Outten et al.
patent: 4263150 (1981-04-01), Clason et al.
patent: 4410438 (1983-10-01), Horodysky
patent: 4435297 (1984-03-01), Forsberg
patent: 5062975 (1991-11-01), Bayles et al.

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