High temperature biobased lubricant compositions comprising boron nitride
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A lubricant, boron nitride technology, applied in the direction of lubricating composition, petroleum industry, etc., can solve the problems of limited viscosity protection, poor anti-oxidation performance, poor oxidative performance and flow performance of lubricants, etc. Emission reduction effect
Active Publication Date: 2008-07-09
RENEWABLE LUBRICANTS INC
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[0011] Disadvantages of food grade lubricants described in the related art relate to poor oxidation resistance, limited blending ability over viscosity range, limited viscosity protection
When subjected to long-term high temperature and mechanical stress, lubricants often have poor oxidation and flow properties
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no. 1 approach no. 2 approach
[0145] components first embodiment second embodiment third embodiment
[0146] (A) 5-99.9 65-99.9 95-99.998
[0147] (B) 0.002-50 0.002-35 0.002-5
[0148] When the composition comprises components (A), (B), (C) and (D), the parts by weight range of these components are given below:
[0149] components first embodiment second embodiment third embodiment
[0150] (A) 5-90 40-80 60-90
[0151] (B) 0.002-80 0.002-35 0.002-5
[0152] (C) 20-80 10-20 1-10
[0153] (D) 0.001-80 0.001-40 0.001-20
[0154] It should also be recognized that concentrates of the present invention can be prepared. Concentrates containing minor amounts of (A) and major amounts of (B), minor amounts of (A) and major amounts of (B), (C), (D), or minor amounts of (A), (C) , a composition of (D) and a major amount of (B).
[0155] The term "minor" in the specification and appended claims means that when referring to a composition containing a "minor" amount of a substance, it means an amo...
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Abstract
This present invention discloses a method for the preparation of an improved high temperature engine lubricant composition comprising the steps of: 1) providing at least one biobased natural oil or biobased synthetic oil selected from the group consisting of natural or synthetic vegetable oil, natural or synthetic animal oil, genetically modified vegetable oil, genetically modified synthetic vegetable oil, natural or synthetic tree oil, and mixtures thereof; 2) providing at least one boron nitride; and 3) optionally, providing at least one base oil selected from the group consisting of a synthetic ester, solvent refined petroleum oil, a hydrocracked petroleum white oil, an all hydroprocessed synthetic oil, Fischer Tropsch oil, petroleum oil group I, group II, group III, a polyalphaolefin (PAO), and mixtures thereof; 4) optionally, providing at least one additive or combination of additives selected from the group consisting of anti-oxidant(s), corrosion inhibitor(s), metal deactivator(s), viscosity modifier(s), anti-wear inhibitor(s), friction modifier(s), and extreme pressure agent(s); 5) blending 1), 2), 3), and 4) in any sequence to form said composition.
Description
technical field [0001] This application claims priority to Provisional Application Serial No. 60675126, filed April 26, 2005, and entitled "High Temperature Biological Lubricant Compositions Made Using Boron Nitride." The present invention relates to biological lubricant compositions prepared from natural and / or synthetic vegetable, animal, vegetable or tree oils and boron nitride. This composition can provide improved lubricity, antiwear and extreme pressure properties at temperatures up to 1000°C and higher. This composition is particularly suitable for lubricating internal combustion engines, ovens, chains, cables, gears, hinge pins, bearings and sliding surfaces at high temperatures. The lubricant composition can also be blended into hydraulic oils, turbine oils, compressor oils, penetrating lubricants, greases, anti-sticking agents, thread oils, metal deep drawing lubricants, roll oils, metal cutting fluids, mold release agents , and any lubricant requiring antiwear and...
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