C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
253/136, 253/28,
C10M 1/48 (1980.01) C10M 3/42 (1980.01) C10M 5/24 (1980.01)
Patent
CA 1085814
ABSTRACT OF THE DISCLOSURE: The invention is concerned with a hydraulic fluid or metal working fluid concentrate capable of imparting to water the properties of a lubricant such as resistance to extreme pres- sure and corrosion inhibition. The concentrate of the invention consists essentially of (a) a water-soluble polyoxyethylated aliphatic ester consisting of esters of ethoxylated aliphatic monohydric and polyhydric alcohols and ethoxylated aliphatic acids wherein the acids have about 5 to about 20 moles of ethylene oxide added per mole of acid and wherein the alcohols and acids have carbon chain lengths of 8 to 36 carbon atoms and wherein the esters are produced by first polyoxyethylating at least one of the acids or alcohols and second obtaining the ester reaction pro- duct thereof, and (b) a sulfurized metallic compound of the formula: Image wherein M is molybdenum or antimony and wherein R is selected from the group consisting of alkyl, aryl, alkylaryl radicals and mix- tures thereof having 3 to 20 carbon atoms in the alkyl group and wherein the ratio of the water-soluble ester to the sulfurized metallic compound is from 0.5:1 to 2:1 by weight based upon the weight of the sulfur in the metallic compound. The addition of corrosion inhibitors, thickeners and metal deactivators conventional in this art is also contemplated.
294578
Maxwell Jerrold F.
Nassry Assadullah
Basf Wyandotte Corporation
Robic Robic & Associes/associates
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