acid ester in the resulting lubricating composition is 0 25 the results of the test are reported in table 3 the anti wear properties of flexon 845 containing 1 0 irgalube tppt are determined according to the procedure outlined in example 5 the test results are reported in table 3 a lubricating composition in accordance with the prior art is prepared by mixing monacor 39 with flexon 845 containing 1 0 irgalube tppt the composition is tested for anti wear properties according to the procedure outlined in example 5 the concentration of monacor 39 in the lubricating composition is 0 25 the results of the test are reported in table 3 table 3______________________________________composition wear scar mm ______________________________________example 9 0 20comparative example 9 0 49comparative example 10 0 21______________________________________ these test results demonstrate that compositions prepared in accordance with the present invention examples 5 9 exhibit anti wear properties table 4 depicts the superior demulsibility properties possessed by lubricating compositions prepared in accordance with the present invention the lubricating compositions reported in table 4 comprise iso 32 paraffinic oil containing 0 6 zinc dialkyldithiophosphate and varying amounts of demulsifiers anti wear anti corrosion additives the demulsibility properties are measured according to astm test d1401 in this test 40 ml of distilled water and 40 ml of the lubricating composition are placed in a 100 ml graduated cylinder and are heated to 54 u00b0 c in a water bath the oil.