| abstract |
The invention provides a lubricant composition comprising: (1) a reaction product selected from the group consisting of: (a) a polyalkenoic acid or polyalkenoic acid obtained from hydroxy fatty acids and a block copolymer selected from the group consisting of polyoxyethylene-polyoxypropylene and a polyoxypropylene-polyoxyethylene-polyoxypropylene reverse block copolymer; (b) the reaction product of (a) with a maleic acid or anhydride; and (c) the reaction product of (a) with maleated soybean oil; and (2) at least one base oil selected from the group consisting of alkylbenzenes, normal paraffin, isoparaffin, mineral oil and α-olefin. |