Lubricant additive composition, lubricant, and method of preparing the same
a technology of additive composition and lubricant, which is applied in the direction of additives, lubricant compositions, petroleum industry, etc., can solve the problems of complex formulation of additives, and achieve the effect of reducing friction and wear and improving performan
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example 1
[0116]5 grams (g) of potassium borate (Rose Mill Co., West Hartford, Conn.) was added to 3.78 liters of polyalphaolefin (DRD Additives LLC, product BD 2003). The potassium borate and polyalphaolefin were blended using an electric hand mixer for 20 minutes and then mixed with a high-shear mixer at 18,000 revolutions per minute (RPM) to provide a potassium borate dispersion. 0.95 liters of the potassium borate dispersion, 5 g of inorganic-fullerene tungsten disulfide (ApNano Materials, Inc, New York, N.Y., product NanoLub RL, particle size less than 50 nm), 0.95 liters of a solution of antimony dialkyldithiocarbamate (Tiarco Chemical, Octopol AD), and 0.95 liters of a borate ester solution (R.T. Vanderbilt Co., Inc., Norwalk, Conn., product Vanlube® 289) were combined and mixed using a DayMax at 8000 RPM for 1 hour to provide a lubricant additive.
example 2
[0117]A dispersion of inorganic-fullerene tungsten disulfide in polyalphaolefin was prepared by slowly adding 2 g of inorganic-fullerene tungsten disulfide (ApNano Materials, Inc, New York, N.Y., product NanoLub RL, particle size less than 50 nm) to 0.47 liters of polyalphaolefin (DRD Additives LLC, product BD 2003) while blending with a 1 horsepower hand blender, and then blending for 20 minutes to provide a tungsten disulfide dispersion. A dispersion of potassium borate in polyalphaolefin was prepared by mixing 5 g of potassium borate (Rose Mill Co., West Hartford, Conn., particle size less than 50 nm) and 3.78 liters of polyalphaolefin (DRD Additives LLC, product BD 2003). The tungsten disulfide dispersion, 0.95 liters of a borate ester solution (R.T. Vanderbilt Co., Inc., Norwalk, Conn., product Vanlube® 289), 0.47 liters of a solution of antimony dialkyldithiocarbamate (Tiarco Chemical, Octopol AD), and 1.89 liters of the dispersion of potassium borate in polyalphaolefin were m...
example 3
[0118]The lubricant additive composition of Example 2 was evaluated in accordance with SAE J1321 OCT1986 “Fuel Consumption Test Procedure—Type II,” the contents of which in its entirety are herein incorporated by reference. The test was conducted with three 2012 Freightliner Cascadia trucks, one designated a control truck and the other two designated test trucks, each equipped with a 53 foot box van ballasted to 75,000 pounds and using Shell Rotella T3 as the engine oil. In accordance with the J1321 procedure, all three trucks were first driven in a baseline segment. Then two quarts of engine oil were removed from each of the two test trucks to make room for the lubricant additive composition and two quarts of the lubricant additive composition of Example 2 added to provide a proper oil level in each engine. After addition of the lubricant additive composition, each truck was driven in a test segment in accordance with the J1321 procedure. The results are summarized in Table 1. In T...
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