摘要:
Disclosed are Group III base stocks comprising at least 30 wt % naphthenes, a viscosity index from 120 to 145; and a unique ratio of molecules with multi-ring naphthenes to single ring naphthenes (2R+N/1RN). A method for preparing the base stocks is also disclosed. Also disclosed is a lubricating oil having the base stock as a major component, and an additive as a minor component.
摘要:
Lubricating composition comprising (i) base oil and (ii) a Verkade base compound having the formula (1): wherein R1, R2 and R3 are each independently selected from hydrogen and saturated or unsaturated, straight chain or branched, C1-C22 alkyl groups. The lubricating composition of the present invention exhibits improved base number retention and oxidative stability, particularly in the presence of a biofuel such as fatty acid alkyl ester.
摘要:
A composition that includes one or more compounds represented by the formula R1—O—R2 wherein R1 is a substituted or unsubstituted aryl or polyaryl group having from about 4 to about 40 carbon atoms, and R2 is a substituted or unsubstituted, linear or branched, alkyl group having from about 4 to about 40 carbon atoms. The composition has a viscosity (Kv100) from about 1 to about 10 cSt at 100° C. as determined by ASTM D-445, a viscosity index (VI) from about −100 to about 300 as determined by ASTM D-2270, and a Noack volatility of no greater than 50 percent as determined by ASTM D-5800. The disclosure also relates to a process for producing the composition, a lubricating oil base stock and lubricating oil containing the composition, and a method of reducing boundary friction and improving dispersancy of polar additives of a lubricating oil by using as the lubricating oil a formulated oil containing the composition.
摘要:
Provided are an α-olefin copolymer useful as a high-viscosity lubricant oil excellent in viscosity characteristics, low-temperature characteristics and oxidation stability, and a lubricant oil containing the copolymer. The α-olefin copolymer is a 1-octene/1-decene/1-dodecene ternary copolymer produced by the use of a doubly crosslinked metallocene catalyst.
摘要:
Water-based lubricants for the lubrication of frictional partners in drive elements, as well as their use. In particular, a water-based lubricant that contains 5 to 80% by weight of water-soluble polyalkylene glycol that is selected from the group that is composed of statistically distributed polyoxyethylene units and/or polyoxypropylene units and/or other polyoxyalkylene components, a block polymer that that is composed of polyoxyethylene units and/or polyoxypropylene units and/or other polyoxyalkylene components, 0.5 to 20% by weight of foaming or non-foaming emulsifiers from the class of anionic, non-ionic, or cationic surfactants, water-soluble or water-emulsifiable carboxylic acid esters, 0.5 to 50% by weight of anti-icing additives, selected from the group that is composed of alkylene glycol, glycerol, salts or ionic liquids, 0.05 to 10% by weight of corrosion additives, 0.001 to 1% by weight of additives for preventing the formation of foam, and 0.05 to 5% by weight of friction-reducing agents and water added to make 100% by weight.
摘要:
The present invention is related to a process oil using as a raw material a deasphalted oil obtained by deasphalting a vacuum residual oil of a crude oil and a manufacturing method of the process oil, the process oil having properties of: (a) a polycyclic aromatics (PCA) content of less than 3 mass %; (b) a viscosity (100° C.) of 40 to 70 mm2/s; (c) an aniline point of 85 to 100° C.; (d) a flash point of 250° C. or higher; (e) an aromatic hydrocarbon content of 40 to 55 mass %; and (f) a polar substance content of 10 to 15 mass %. The present invention is also related to a process oil and a manufacturing method of the process oil, the process oil obtained by mixing: an extract obtained by deasphalting and solvent-extracting a vacuum residual oil of a crude oil; and a lubricant base oil having a polycyclic aromatics (PCA) content of less than 3 mass %, and having properties of: (a) a polycyclic aromatics (PCA) content of less than 3 mass %; (i) a viscosity (100° C.) of 30 to 80 mm2/s; (j) an aniline point of 90° C. or lower; (k) a flash point of 240° C. or higher; (l) a benzo(a)pyrene content of 1 mass ppm or less; (m) a specified aromatic compound content of 10 mass ppm or less; and (n) a polar substance content of 10 to 30 mass %.
摘要:
A base oil for cooling a device contains a hydrocarbon compound at 30 mass % or more and exhibits a kinematic viscosity of 4 mm2/s to 30 mm2/s at 40 degrees C. The total number of a terminal methyl group(s) and a methylene group(s) in a main chain of the hydrocarbon compound is 16 or more. The total number of a methyl branch and an ethyl branch in the molecule is one or less. A device-cooling oil provided by blending the base oil is excellent in electrical insulation properties and thermal conductivity, and thus is favorably usable for cooling a motor, a battery, an inverter, an engine, an electric cell or the like in an electric vehicle, a hybrid vehicle or the like.
摘要:
The present invention is directed to methods and systems for processing triglyceride-containing, biologically-derived oils, wherein such processing comprises conversion of triglycerides to free fatty acids and the separation of these fatty acids by saturation type. Such separation by type enables the efficient preparation of both lubricants and transportation fuels from a common source using a single integrated method and/or system.
摘要:
The present invention provides a lubricating oil composition capable of achieving a lubricating property, a thermal stability, an oxidation stability, an anti-discoloring property and an anti-varnishing performance with a higher level by compounding a phosphorus compound having a specific structure in a base oil, as well as a lubricating oil composition for internal combustion engines which is excellent in wear resistance, high-temperature detergency and base number retention property although it has a low phosphorus content, a low sulfur content and a low sulfated ash content.
摘要:
The present invention is related to a process oil using as a raw material a deasphalted oil obtained by deasphalting a vacuum residual oil of a crude oil and a manufacturing method of the process oil, the process oil having properties of: (a) a polycyclic aromatics (PCA) content of less than 3 mass %; (b) a viscosity (100° C.) of 40 to 70 mm2/s; (c) an aniline point of 85 to 100° C.; (d) a flash point of 250° C. or higher; (e) an aromatic hydrocarbon content of 40 to 55 mass %; and (f) a polar substance content of 10 to 15 mass %. The present invention is also related to a process oil and a manufacturing method of the process oil, the process oil obtained by mixing: an extract obtained by deasphalting and solvent-extracting a vacuum residual oil of a crude oil; and a lubricant base oil having a polycyclic aromatics (PCA) content of less than 3 mass %, and having properties of: (a) a polycyclic aromatics (PCA) content of less than 3 mass %; (i) a viscosity (100° C.) of 30 to 80 mm2/s; (j) an aniline point of 90° C. or lower; (k) a flash point of 240° C. or higher; (l) a benzo(a)pyrene content of 1 mass ppm or less; (m) a specified aromatic compound content of 10 mass ppm or less; and (n) a polar substance content of 10 to 30 mass %.