Method Of Forming Additive Packages and Lubricant Compositions That Include A Seal Compatibility Additive
a technology of additives and lubricants, applied in the direction of additives, petroleum industry, lubricant compositions, etc., can solve the problems of detrimental effect of fluoropolymer seals, and achieve the effect of improving compatibility with fluoropolymer seals
Inactive Publication Date: 2016-09-29
BASF AG
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Benefits of technology
The present disclosure describes a lubricant composition that has improved compatibility with fluoropolymer seals. The composition includes a base oil and an additive package that includes a second base oil, a dispersant, a detergent, an antioxidant, an anti-wear additive, and a seal compatibility additive. The composition is combined at a specific temperature and then used as a lubricant. The technical effect of this composition is that it reduces the likelihood of damage to fluoropolymer seals during lubrication and improves the performance of the seals.
Problems solved by technology
However, these amine compounds may cause detrimental effects on fluoropolymer seals.
Method used
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[0219]An exemplary additive package formulation is provided in Table 1 below. The weight percent (wt. %) for each of the components below is based on a total weight of the additive package. The formulation may be formed using the method described above.
TABLE 1Exemplary Additive Package FormulationRange of AmountRange of AmountRange of Amountof Component inof Component inof Component inAdditive PackageAdditive PackageAdditive PackageComponent(wt. %)(wt. %)(wt. %)seal compatibility additivesfrom 0.1 to 99from 0.1 to 50from 0.1 to 10amine compoundsfrom 0.1 to 99from 0.1 to 50from 0.1 to 10polyol estersfrom 0.1 to 99from 0.1 to 50from 0.1 to 10dispersantsfrom 1 to 99from 25 to 75from 45 to 55detergentsfrom 1 to 99from 1 to 50from 12 to 22antioxidantsfrom 1 to 99from 1 to 50from 10 to 20anti-wear additivesfrom 1 to 99from 1 to 50from 5 to 15base oilsfrom 1 to 99from 1 to 50from 1 to 10
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Abstract
This disclosure is directed to a method of forming an additive package for a lubricant composition. The method includes the step of providing a base oil and a dispersant, the step of heating the base oil and the dispersant, and the step of combining the base oil and the dispersant to form a first mixture. The method further includes the step of providing a detergent, the step of heating the detergent, and the step of combining the first mixture and the detergent to form a second mixture. The method further includes the step of providing an anti-wear additive and a seal compatibility additive, the step of heating the anti-wear additive the seal compatibility additive, and the step of combining the second mixture, the anti-wear additive, and the seal compatibility additive to form the additive package.
Description
CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims priority to U.S. Provisional Patent Application No. 62 / 139,223, filed on Mar. 27, 2015, which is hereby incorporated by reference.FIELD OF THE INVENTION[0002]The present invention generally relates to an additive package and a lubricant composition that include a seal compatibility additive.BACKGROUND OF THE INVENTION[0003]It is known and customary to add stabilizers to lubricant compositions based on mineral or synthetic oils in order to improve their performance characteristics. Some amine compounds are effective stabilizers for lubricants. For example, certain amine compounds may help to disperse soot and maintain the cleanliness of engine components and other amine compounds may help neutralize acids formed during the combustion process. However, these amine compounds may cause detrimental effects on fluoropolymer seals.[0004]It is an object of the present invention to provide new additives that improve the flu...
Claims
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IPC IPC(8): C10M169/04C10M125/26C10M135/10C10M129/10C10M133/04C10M137/10C10M129/50C10M129/18C10M131/00
CPCC10M169/04C10N2240/10C10M125/26C10M135/10C10M131/00C10M133/04C10M137/10C10M129/50C10M129/10C10M2201/087C10M2207/042C10M2207/141C10M2207/023C10M2211/00C10M2215/02C10M2219/044C10M2223/045C10N2030/04C10N2030/10C10N2030/06C10N2040/25C10N2230/04C10N2230/10C10N2230/06C10M129/18C10M141/10C10M141/12C10M2201/04C10M2207/026C10M2211/022C10M2211/06C10M2215/06C10M2215/08C10M2215/221C10M2219/046C10M2223/04C10M2223/047C10M2227/061C10N2030/36C10N2070/02
Inventor DESANTIS, KEVIN J.HOEY, MICHAEL
Owner BASF AG