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LUBRICATION OIL COMPOSITION CONTAINING A LARGE AMOUNT OF AN OIL WITH A LUBRICATING VISCOSITY AND A LESS AMOUNT OF AN OIL SOLUBLE COMPONENT AND PROCEDURES FOR PREPARING SUCH A LUBRICATION OIL COMPOSITION
LUBRICATION OIL COMPOSITION CONTAINING A LARGE AMOUNT OF AN OIL WITH A LUBRICATING VISCOSITY AND A LESS AMOUNT OF AN OIL SOLUBLE COMPONENT AND PROCEDURES FOR PREPARING SUCH A LUBRICATION OIL COMPOSITION
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机译:包含大量具有润滑粘度的油和少量可溶于油的组分的润滑油组成以及制备此类润滑油的方法
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摘要
Sulfur-containing, oil-soluble compositions are described which are useful as lubricating oil additives, particularly in lubricants containing little or no phosphorus. In one embodiment, the compositions of the invention comprise (A) at least one metal salt of at least one dithiocarbamic acid of the formula R1(R2)N-CSSH (I) wherein R1 and R2 are each independently hydrocarbyl groups in which the total number of carbon atoms in R1 and R2 is sufficient to render the metal salt oil-soluble, and (B) at least one oil-soluble sulfurized Diels-Alder adduct. Lubricating oil compositions containing the compositions of the invention exhibit improved oxidation-corrosion-inhibiting properties, anti-wear properties, and/or extreme pressure properties. Such lubricating compositions containing less than about 0.1% by weight of phosphorus also exhibit good compatability with nitrile seals.
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