Abstract: An antioxidant package composition including a combination of: (i) at least one hindered phenolic antioxidant, and (ii) at least one polyether sulphide; a lubricant composition including: (a) the antioxidant package composition and (b) at least one base oil; a process for preparing the antioxidant package composition; and a process for preparing the lubricant composition.

Abstract: A composition includes 100 parts by weight of poly(alkylene terephthalate) and 0.01 to 2 part by weight of a compound represented by Formula (1), a partially saponified derivative thereof, or a combination thereof, (1) wherein R1, R2, and n are defined herein. The composition, which excludes copolymers of an unsubstituted or substituted styrene and an unsaturated nitrile, is useful for molding articles with very smooth surfaces. For example, the composition can be used to mold directly-metallizable substrates for automotive headlight reflectors and bezels.

Abstract: A lubricating oil composition contains a base oil containing a compound (A) and a compound (B) below and a compound (C). The lubricating oil composition exhibits a kinematic viscosity at 40 degrees C. in a range of 20 mm2/s to 40 mm2/s, a density at 15 degrees C. of 1.1 g/cm3 or more, a flash point of 200 degrees C. or more, and a viscosity index of 100 or more. The compound (A) is an ester or an ether having two or more aromatic rings. The compound (B) is an ester or an ether having a kinematic viscosity at 40 degrees C. of 12 mm2/s or less, a density at 15 degrees C. of 0.9 g/cm3 or more and a flash point of 100 degrees C. or more. The compound (C) is a poly(meth)acrylate having a mass average molecular weight of 50000 or less.

Abstract: The present invention provides a modified solid stick composition comprising a thermosetting plasticizer, a resin, a lubricant, a friction modifier, or a combination thereof. The solid stick compositions may be used for application between two metal surfaces in sliding and rolling-sliding contact such as steel wheel-rail systems including mass transit and freight systems. A method of reducing energy consumption, or controlling friction between a metal surface and a second metal surface by applying the solid stick composition to one or more than one of the metal surfaces, is also provided.

Abstract: The present invention relates to alcohols and in particular to C4 to C15 alcohols that are used in the production of esters.

Abstract: The present disclosure relates to lubricant oil compositions formed from base stock oils to optimize internal combustion engine performance. Base stock oils are identified that have selected cetane number characteristics and relatively reduced reactivity to improve their associated combustion characteristics and reduce engine knock without the need to modify the engine fuel or engine parameters such as compression ratio and/or ignition timing. The base stocks may specifically include esters of dicarboxylic acids, esters of trimellitic anhydride and/or alklyated naphthalene compounds.

Abstract: The present invention provides a solid stick composition comprising a thermosetting resin and a grease. Optionally, the solid stick composition may comprise a lubricant, a friction modifier, a thermoplastic plasticizer or a combination thereof. The solid stick compositions may be used for application between two metal surfaces in sliding and rolling-sliding contact such as steel wheel-rail systems including mass transit and freight systems. A method of reducing energy consumption, or controlling friction between a metal surface and a second metal surface by applying the solid stick composition to one or more than one of the metal surfaces, is also provided.

Abstract: System, methods, and compositions are described for detecting and inhibiting leaks of a transmission system. The composition may include one or more transmission system sealants and one or more light activated compounds. The transmission system sealant(s) inhibit one or more of the leaks in the transmission system. One or more of the light activated compounds are visible when activating light is directed towards a portion of the exterior of the transmission system.

Abstract: System, methods, and compositions are described for detecting and inhibiting leaks of a steering system. The composition may include one or more steering system sealants and one or more light activated compounds. The steering system sealant(s) inhibit one or more leaks in the steering system. One or more of the light activated compound are visible when activating light is directed towards a portion of the steering system.

Abstract: System, methods, and compositions are described for detecting and inhibiting leaks of an engine oil system. The composition may include an engine oil system sealant and a light activated compound. The engine oil system sealant(s) inhibit leak(s) in the engine oil system. One or more of the light activated compounds are visible when an activating light source is directed towards a portion of the engine oil system.

Abstract: The introduction of nanostructures in a liquid provides a means for changing the physical and/or chemical properties of the liquid. Improvements in heat transfer, electrical properties, viscosity, and lubricity can be realized upon dispersion of nanotubes in liquids. Stable dispersions of nanostructures are described and surfactants/dispersants are identified which can disperse nanostructures in petroleum liquid medium. The appropriate dispersant is chosen for the selected nanostructure material and the oil based medium and the dispersant is dissolved into the liquid medium to form a solution. The nanostructure is added to the dispersant containing the solution with agitation, ultrasonication, and/or combinations thereof. Nanostructures dispersed in a fluid form a nanofluid utilized as a shock absorber oil whereby the nanostructures serve to improve the viscosity index of the fluid or more particularly the shock absorber oil in the form of a lubricant additive.

Abstract: A high temperature lubricant composition for lubricating conveyored oven chains and other high temperature applications comprises at least one polyol polyester polymer and optionally at least one additive. The polyol polyester polymer can be made from esterification of at least one polyol, at least one dicarboxylic acid and at least one monocarboxylic acid. Optionally, at least one polyol polyester, at least one extreme pressure/antiwear agent and/or at least one metal deactivator is added to the final lubricant composition. The lubricant has a kinematic viscosity @40° C. of from about 50 to about 1,000 centistokes, a viscosity index of at least about 140, and a flash point of at least about 270° C. The lubricants have low evaporation loss, high resistance to oxidation, and provide reduction of friction when used in high temperature lubricant applications.

Abstract: An engine lubricant formulated as a complete crankcase motor oil or additive concentrate composed of a combination of chemical constituents including a base oil selected from a synthetic oil, a mineral oil or semi-synthetic base oil (hydrogenated oil) or combination thereof, an oil soluble molybdenum additive, a dispersant inhibitor containing zinc dithiophosphate, and viscosity index improvers and one or more seal swelling agents to lubricate the engine and recondition the seals of new and/or high mileage engines. Addition of a polyalphaolefin and/or one or more esters such as a diester or polyolester may also be utilized therein. The lubricant may be formulated as a complete engine oil crankcase lubricant, or concentrated into an additive for addition to conventional mineral oil based engine oil, synthetic engine oils, or blends thereof in an effective amount of up to 30 percent volume percent, typically from 20 to 25 percent by volume.

Abstract: This invention relates to a method of reducing intake valve deposits in a direct injection engine, the method comprising lubricating the engine with a lubricating oil composition comprising a base oil mixture, the base oil mixture comprising (i) a Group III, a Group IV oil, or a mixture thereof, in combination with (ii) a synthetic ester oil, the weight ratio of (i) to (ii) being from about 0.2:1 to about 6:1.

Abstract: A lubricating-grease modifier for addition to and modification of a lubricating grease that is to be present in a driving mechanism of a machine or apparatus and lubricate a driving part of the driving mechanism, the modifier comprising a lubricating resin powder and a water-absorbing resin powder and a high-lubricity grease comprising a solid lubricant, the solid lubricant comprising at least one synthetic resin selected from the group consisting of polyamides, polyimides, high-density polyolefins and polyesters.

Abstract: A crankcase lubricant containing a Group III basestock in a major amount and a Group V basestock in the form of an ester in a minor amount. The lubricant also comprises a dispersant, a metal detergent, one or more other additives, and a viscosity modifier.

Abstract: A marine engine lubricating oil composition for a slow or medium speed diesel engine comprises a major amount of an oil of lubricating viscosity that contains a minor amount of a fuel oil with a residual fuel content and, admixed therewith, a minor amount of at least one oil-soluble or oil-dispersible ashless organic compound having at least two adjacent, substitutable carbon atoms being either part of an aromatic moiety or being connected by a double bond, each carrying an O— or O— and N-containing functional group, both groups being derived from a carboxy group.

Abstract: This invention describes a blend of three base stock fluids, a PAO, an alkylated aromatic and a aromatic ester that synergistically improve the solvency for industrial lubricant additives such as oxidation and rust inhibitors, extreme-pressure/antiwear agents, metal deactivators and the like. The blend also has excellent hydrolytic stability plus improved dispersancy and resistance to deposit formation without degrading demulsibility.

Abstract: A crankcase lubricant containing a Group m basestock in a major amount and a Group V basestock in the form of an ester in a minor amount. The lubricant also comprises a dispersant, a metal detergent, one or more other additives, and a viscosity modifier.

Abstract: A lubricating-grease modifier for addition to and modification of a lubricating grease that is to be present in a driving mechanism of a machine or apparatus and lubricate a driving part of the driving mechanism, the modifier comprising a lubricating resin powder and a water-absorbing resin powder and a high-lubricity grease comprising a solid lubricant, the solid lubricant comprising at least one synthetic resin selected from the group consisting of polyamides, polyimides, high-density polyolefins and polyesters.

Abstract: The present invention relates to a lubricant composition for a high temperature of which the amount evaporated in a thin film at a high temperature is controlled and of which the fluidity is maintained for a long period of time, and it is a lubricant composition for a high temperature which is obtained by mixing a base oil composition comprising (a) 20 to 100% by weight of a specific aromatic ester and (b) 0 to 80% by weight of another base oil with (c) 0.1 to 10% by weight, based on the total amount of the lubricant composition, of an antioxidant.

Abstract: A marine engine lubricating oil composition for a slow or medium speed diesel engine comprises a major amount of an oil of lubricating viscosity that contains a minor amount of a fuel oil with a residual fuel content and, admixed therewith, a minor amount of at least one oil-soluble or oil-dispersible ashless organic compound having at least two adjacent, substitutable carbon atoms being either part of an aromatic moiety or being connected by a double bond, each carrying an O- or O- and N-containing functional group, both groups being derived from a carboxy group.

Abstract: A lubricating oil composition is disclosed comprising at least 10% by weight of the total oil composition of an ester of phthalic acid having a viscosity index less than 100. The lubricating oil composition has improved fuel economy and wear performance.

Abstract: A lubricant which is prepared from at least one synthetic ester composition exhibiting thermal and oxidative stability which comprises the reaction product of 3,5,5-trimethyl-1-hexanol and an acid or anhydride; and a lubricant additive package; whereby the incorporation of an antioxidant in the lubricant additive package for the purpose of maintaining oxidative and thermal stability of the crankcase lubricating oil formulation to at least 20 minutes as measured by HPDSC at 220.degree. C., 3.445 MPa air and 0.5 wt. % dioctyl diphenyl amine can be either reduced or eliminated. The synthetic ester composition preferably exhibits the following additional properties: a metals content of 10 ppm or less metals based on the total synthetic ester composition, an ash content of 15 ppm or less ash based on the total synthetic ester composition, a total acid number of 0.05 mg KOH/g or less, and a volume resistivity of at least about 1.times.10.sup.11 ohm cm.

Abstract: Mist oil lubricants are disclosed based on polycarboxylic acid esters as the base oil which have added 1 to 5% of polyisobutylene Mn 400-2500 as stray mist suppressants.

Abstract: Fluid compositions comprised of a monomer constituent dissolved in a carrier fluid, where the monomer constituent is capable of forming a polymer film directly on rubbing surfaces but is not polymerized in solution, have been found to be effective for reducing ceramic wear.

Abstract: Certain organic diesters and triesters have been found to be useful as a break-in lubricant compressors used in conjunction with HFC-based refrigeration systems. These include compositions of the formula: R.sub.1 OOC--Q--COOR.sub.2, ##STR1## and mixtures thereof, wherein Q is a straight- or branched-chain hydrocarbon group having from 2 to 10 carbon atoms and R.sub.1, R.sub.2 and R.sub.3 can be the same or different and are straight- or branched-chain hydrocarbon groups containing from 6 to 13 carbon atoms. In use as a break-in lubricant, the break-in lubricant is added and the compressor is run for about 1 to 4 hours. This lubricant is then drained.

Abstract: The present invention relates to a lubricant composition for a high temperature of which the amount evaporated in a thin film at a high temperature is controlled and of which the fluidity is maintained for a long period of time, and it is a lubricant composition for a high temperature which is obtained by mixing a base oil composition comprising (a) 20 to 100% by weight of a specific aromatic ester and (b) 0 to 80% by weight of another base oil with (c) 0.1 to 10% by weight, based on the total amount of the lubricant composition, of an antioxidant.