Application-specific finished lubricant compositions comprising a bio-derived ester component and methods of making same

The present invention is generally directed to methods of making application-specific finished lubricant compositions comprising bio-derived diester species. In some embodiments, bio-derived fatty acid moieties are reacted with Fischer-Tropsch/gas-to-liquids reaction products and/or by-products (e.g., gas-to-liquids-produced α-olefins) to yield bio-derived diester species that can then be selectively blended with base oil and one or more additive species to yield an application-specific finished lubricant product having a biomass-derived component.

Oil composition comprising functionalized nanoparticles

An improved oil composition is disclosed. The oil composition includes a base oil comprising a hydrocarbon, the base oil having a base thermal conductivity. The oil composition also includes a first additive comprising a plurality of derivatized first additive nanoparticles dispersed within the base oil to form a modified oil having a modified thermal conductivity, wherein the modified thermal conductivity is greater than the base thermal conductivity. Alternately, an improved oil composition includes a base oil comprising a hydrocarbon and a first additive comprising a plurality of derivatized first additive nanoparticles dispersed within the base oil to form a modified oil comprising a stabilized suspension of the derivatized first additive nanoparticles in the base oil.

Grease composition and bearing

The invention provides a grease composition containing a thickener, a base oil and an antistatic agent, where the antistatic agent includes at least one selected from the group consisting of Li(CF 3 SO 2 ) 2 N and Li(CF 3 SO 2 ) 3 C; and a mechanical part where the above-mentioned grease composition is packed. The composition of the invention shows satisfactory results in the antistatic properties and the acoustic property.

Universal Synthetic Penetrating Lubricant, Method and Product-by-Process

A penetrating lubricant with the capacity to offer a both penetration into rust and corrosion. Further, this lubricant actively penetrates the crystalline surface of the metal while exhibiting extreme pressure lubrication, non-migrating with lasting protection. Further lubricant exhibits dielectric strength of over 8000 volts, at the same time cleaning electrical contacts, thereby reducing resistance and associated heat. The preferred embodiment may contain alpha-olefins, low-odor aromatic solvents, base oils, and high flash mineral spirits.

Use of alkanolamines based on propylene oxide as additives in lubricants

A lubricant which comprises an alkanolamine of the formula I of the formula II of the formula III of the formula IV or a mixture of alkanolamines selected from alkanolamines of the formulae I to IV, where R1, R2, R3, R1′, R2′ and R3′ are each independently a hydrogen atom or a C1 to C4 alkyl group, and R 4 is a C1 to C16 alkyl group.

Azeotropic and azeotrope-like compositions of methyl perfluoroheptene ethers and heptane and uses thereof

The present disclosure provides azeotropic and azeotrope-like compositions comprised of methylperfluoroheptene ethers and heptane. The present disclosure also provides for methods of use for the azeotropic and azeotrope-like compositions.

Azeotropic and azeotrope-like compositions of methyl perfluoroheptene ethers and ethanol and uses thereof

The present disclosure provides azeotropic and azeotrope-like compositions comprised of methylperfluoroheptene ethers and ethanol. The present disclosure also provides for methods of use for the azeotropic and azeotrope-like compositions.

Lubricant for magnetic disk and magnetic disk

A lubricant for a magnetic disk that is excellent in heat resistance and is suitably used in a magnetic disk to be mounted on a magnetic recording device of a thermally assisted magnetic recording system and a magnetic disk provided with a lubricant layer containing this lubricant. The lubricant for a magnetic disk contains a compound where perfluoropolyether groups each having a perfluoropolyether main chain in its structure and a phosphazene ring at an end are linked to each other through a linking group. The linking group is an aliphatic group or a phosphazene ring. In a magnetic disk having at least a magnetic recording layer, a protective layer, and a lubricant layer on a substrate, the lubricant layer contains the lubricant for a magnetic disk.

Low viscosity oligomer oil product, process and composition

The present invention relates to a low viscosity lubricant process, product, and composition characterized by low Noack volatility, low pour point, useful low temperature viscometrics, and high viscosity index and more particularly concerns a PAO composition having a kinetic viscosity at 100° C. in the range of about 4 cSt.

Lubricating Compositions For Turbine And Hydraulic Systems With Improved Antioxidancy

The present invention relates to a synergistic combination of an antioxidant and an antiwear additive that results in improved antioxidancy performance in turbine, hydraulic, and other industrial lubricating compositions. The invention further relates to the processes to make the improved lubricating compositions and methods of their use in industrial fluids.

Lubricants for electric and hybrid vehicle applications

The present disclosure relates to methods of lubricating an electric or a hybrid-electric transmission using a lubricant including a solvent system with a blend of one or more base oils with a branched diester and one or more poly(meth)acrylate copolymers, transmissions therefor, and lubricating compositions suitable for such applications that exhibit good lubricant properties, good electrical properties, and good cooling efficiency at the same time.

Ionic Liquid, Lubricant, and Magnetic Recording Medium

A lubricant, which includes an ionic liquid including a conjugate base and a conjugate acid including 2 or more cations in a molecule of the conjugate acid, wherein the conjugate acid includes a monovalent group including a straight-chain hydrocarbon group having 6 or more carbon atoms, and an acid that is a source of the conjugate base has a pKa in acetonitrile of 10 or less.

FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM

The fluorine-containing ether compound is represented by the following formula (1): R-R—CH—R—CH—R. In the formula (1), Ris represented by the following formula (2), Ris represented by the following formula (3), Ris a perfluoropolyether chain, and Ris an organic end group different from R-R- and contains two or three polar groups, wherein each polar group is bonded to a different carbon atom, and the carbon atoms to which the polar groups are bonded are bonded to one another via a linking group containing a carbon atom to which the polar group is not bonded. In the formula (2), r is 1 to 3. In the formula (3), w is 2 or 3. 2. The fluorine-containing ether compound according to claim 1 , wherein all the polar groups of Rin the formula (1) are hydroxyl groups.7. The fluorine-containing ether compound according to claim 1 , wherein r is 2.8. The fluorine-containing ether compound according to claim 1 , wherein a number average molecular weight is in the range of 500 to 10000.9. A lubricant for magnetic recording media claim 1 , comprising the fluorine-containing ether compound according to .10. A magnetic recording medium in which at least a magnetic layer claim 1 , a protective layer claim 1 , and a lubricant layer are sequentially provided on a substrate claim 1 , wherein the lubricant layer contains the fluorine-containing ether compound according to .11. The magnetic recording medium according to claim 10 , wherein an average film thickness of the lubricant layer is 0.5 nm to 2 nm. The present invention relates to a fluorine-containing ether compound suitable for use as a lubricant for magnetic recording media, a lubricant for magnetic recording media containing the same, and a magnetic recording medium.This application claims priority under Japanese Patent Application No. 2018-170365 filed Sep. 12, 2018, the contents of which are incorporated herein by reference.In recent years, as information processing capacity increases, various information recording ...

Lubricating Composition

The present invention relates to a lubricating composition containing a dispersant, a corrosion inhibitor and an antioxidant. The invention further provides a method for lubricating a mechanical device with the lubricating composition.

LUBRICANT COMPOSITION, SLIDING APPARATUS, FIXING APPARATUS, AND IMAGE-FORMING APPARATUS

Provided is a lubricant composition having small shear rate dependence of its apparent viscosity. The lubricant composition includes a perfluoropolyether as a base oil, and fluorine resin particles as a thickener. The lubricant composition further includes a fluorine-containing polymer having a tetrafluoroethylene structure under a state in which the polymer is dissolved in the perfluoropolyether. 1. A lubricant composition comprising:a perfluoropolyether as a base oil; andfluorine resin particles as a thickener,wherein the lubricant composition further comprises a fluorine-containing polymer having a tetrafluoroethylene structure under a state in which the fluorine-containing polymer is dissolved in the perfluoropolyether.2. The lubricant composition according to claim 1 , wherein the fluorine-containing polymer has the tetrafluoroethylene structure and a heterocyclic structure having an oxygen atom as a heteroatom claim 1 , the fluorine-containing polymer having an atom or a group selected from the group consisting of a fluorine atom claim 1 , a perfluoroalkyl group having 1 to 3 carbon atoms claim 1 , and a perfluoroalkoxy group having 1 to 3 carbon atoms claim 1 , which is bonded to at least one carbon atom forming a ring structure in the heterocyclic structure.3. The lubricant composition according to claim 2 , wherein the heterocyclic structure is one of a fluorine-containing oxolane structure and a fluorine-containing dioxolane structure.4. The lubricant composition according to claim 3 , wherein a total sum of a mole fraction of the fluorine-containing dioxolane structure and a mole fraction of the fluorine-containing oxolane structure in the fluorine-containing polymer is from 10 mol % to 90 mol %.7. The lubricant composition according to claim 1 , wherein a mole fraction of the tetrafluoroethylene structure in the fluorine-containing polymer is from 10 mol % to 90 mol %.8. The lubricant composition according to claim 1 , wherein an amount of the fluorine- ...

ALKYLPHENOL DETERGENTS

The disclosed technology provides a lubricating composition comprising an oil of lubricating viscosity and a detergent comprising a polyolefin-substituted hydroxy-aromatic carboxylic acid or salt thereof, wherein the polyolefin is derived from a branched alkene having at least 4 carbon atoms and wherein the polyolefin has a number average molecular weight of 150 to 800. The invention further relates to a method of lubricating a mechanical device with the lubricant composition. 2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. The lubricating composition of claim 1 , wherein the detergent is a metal salt.10. The lubricating composition of claim 9 , wherein the metal in the salt comprises calcium.11. The lubricating composition of claim 9 , wherein the metal is overbased.12. The lubricating composition of claim 1 , wherein the detergent is free of C8 and higher unbranched alkyl chains.13. (canceled)14. (canceled)15. (canceled)16. (canceled)17. The lubricating composition of claim 1 , wherein the polyisobutylene has a number average molecular weight of 300 to 400.18. The lubricating composition of claim 1 , wherein the alkylsalicylate is at least 0.01 wt. % of the lubricating composition.19. The lubricating composition of claim 18 , wherein the alkylsalicylate is at least 0.1 wt. %.20. The lubricating composition of claim 18 , wherein the alkylsalicylate is up to 20 wt. of the lubricating composition.21. The lubricating composition of claim 1 , wherein the oil of lubricating viscosity comprises at least one of an API Group I claim 1 , II claim 1 , III claim 1 , IV claim 1 , and V base oil.22. The lubricating composition of claim 1 , wherein the oil of lubricating viscosity is at least 10 wt. % of the lubricating composition.23. The lubricating composition of claim 22 , wherein the oil of lubricating viscosity is at least 30 wt. % of the lubricating composition.24. The lubricating composition of claim 1 , wherein the oil of ...

FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM

A fluorine-containing ether compound represented by Formula (1) is provided, 1. A fluorine-containing ether compound represented by Formula (1){'br': None, 'sup': 1', '2', '3', '4, 'sub': 2', '2, 'R-R—CH—R—CH—R\u2003\u2003(1)'}{'sup': 1', '2', '1', '3', '4', '1', '2, '(in Formula (1), Ris an alkyl group that may have a substituent, Ris a divalent linking group bonded to Rvia an ethereal oxygen, Ris a perfluoropolyether chain, and Ris an end group which is different from R-Rand includes two or three polar groups, in which each of the polar groups is bonded to a different carbon atom, and the carbon atoms bonded to the polar groups are bonded to each other via a linking group containing a carbon atom not bonded to the polar groups).'}2. The fluorine-containing ether compound according to claim 1 ,{'sup': '4', 'wherein the polar groups of Rin Formula (1) are hydroxyl groups.'}6. The fluorine-containing ether compound according to claim 1 ,{'sup': '1', 'wherein Rin Formula (1) is an alkyl group in which a part or all of hydrogen atoms are substituted with halogen and an alkoxy group or with either halogen or an alkoxy group.'}8. The fluorine-containing ether compound according to claim 1 , wherein Rin Formula (1) includes three polar groups.9. The fluorine-containing ether compound according to claim 1 ,wherein a number-average molecular weight thereof is in a range of 500 to 10000.10. A lubricant for a magnetic recording medium claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the fluorine-containing ether compound according to .'}11. A magnetic recording medium claim 1 , comprising:a substrate; andat least a magnetic layer, a protective layer, and a lubricating layer in this order on the substrate,{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'wherein the lubricating layer includes the fluorine-containing ether compound according to .'}12. The magnetic recording medium according to claim 11 ,wherein an average film thickness of the ...

FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIA, AND MAGNETIC RECORDING MEDIUM

A fluorine-containing ether compound represented by R—R—CH—R—CH—R—Ris provided. (Ris a perfluoropolyether chain; Rand Rare each independently any one of an alkyl group that may have a substituent, an organic group having at least one double bond or at least one triple bond, and a hydrogen atom; and —R—CH—Ris represented by Formula (2), and R—CH—R— is represented by Formula (3)) 2. The fluorine-containing ether compound according to claim 1 ,wherein the alkyl group that may have a substituent is an alkyl group having 1 to 6 carbon atoms, wherein the alkyl group includes a hydroxyl group or a cyano group.3. The fluorine-containing ether compound according to claim 1 ,wherein the organic group having at least one double bond or at least one triple bond is any one of a group containing an aromatic ring, a group containing a heterocyclic ring, an alkenyl group, and an alkynyl group.4. The fluorine-containing ether compound according to claim 1 ,{'sup': '3', 'claim-text': {'br': None, 'sub': 2', '2', '2', 'm', '2', 'n', '2, '—CFO—(CFCFO)—(CFO)—CF—\u2003\u2003(8)'}, 'wherein Rin Formula (1) is represented by any one of Formulas (8) to (10).'} {'br': None, 'sub': 3', '3', '2', 'y', '3, '—CF(CF)—(OCF(CF)CF)—OCF(CF)—\u2003\u2003(9)'}, '(m and n in Formula (8) represent average polymerization degrees, and each represent 0 to 30, with a proviso that m or n is 0.1 or more)'} {'br': None, 'sub': 2', '2', '2', '2', '2', 'z', '2', '2, '—CFCFO—(CFCFCFO)—CFCF—\u2003\u2003(10)'}, '(y in Formula (9) represents an average degree of polymerization and represents 0.1 to 30)'}(in Formula (10), z represents an average degree of polymerization and represents 0.1 to 30).5. The fluorine-containing ether compound according to claim 1 ,wherein a number-average molecular weight thereof is in a range of 500 to 10000.6. A lubricant for magnetic recording media claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the fluorine-containing ether compound according to .'}7. A magnetic ...

Methods for making foams using blowing agents comprising unsaturated fluorocarbons

Disclosed herein are blowing agents comprising fluorocarbons and/or hydrofluorocarbons useful in foamable compositions. Also disclosed are methods for forming a foam comprising the aforementioned blowing agents.

Method of producing lubricating base oil from feedstock comprising diesel fraction, and lubricating base oil produced thereby

Disclosed is a method of producing a lubricating base oil, including providing a feedstock including a diesel fraction, subjecting the feedstock to catalytic dewaxing, and recovering a lubricating base oil from a product of the catalytic dewaxing. A lubricating base oil produced thereby and a lubricant product including the lubricating base oil are also provided.

Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium

(In Formula (1), R1 is an end group including an organic group having at least one double bond or triple bond, R2 is a divalent linking group bonded to R1 by etheric oxygen, R3 is a perfluoropolyether chain, R4 is an end group having two or three polar groups with each polar group being bonded to different carbon atoms, and the carbon atoms, to which the polar groups are bonded, being bonded to each other via a linking group including carbon atoms to which the polar groups are not bonded.)

TOOL FOR TREATING A SEAL WIPING SURFACE OF A SEALED CONNECTOR

A tool configured to apply a lubricant includes an insert disposed within a shroud of an electrical connector. The insert has a central cavity and passages extending from the central cavity to portals defined in an outer surface of the insert and a spray valve disposed within the insert configured to dispense a lubricant mist into the central cavity, through the passages to the portals, and onto a seal wiping surface of the electrical connector. 1. A tool configured for preparing a sealed connector system for connection , said sealed connector system comprising a male connector body , a female connector body defining a shroud configured to receive the male connector body , and a resilient seal arranged intermediate the male connector body and the female connector body , said tool comprising:an insert defining a central cavity and a plurality of passages extending from the central cavity to portals defined in an outer surface of the insert; anda spray valve disposed within the insert configured to dispense a lubricant mist into the central cavity and through the plurality of passages to the portals.2. The tool according to claim 1 , wherein the insert is configured to be disposed within the shroud.3. The tool according to claim 1 , wherein the portals are configured to deposit the lubricant mist onto a seal wiping surface of the shroud.4. The tool according to claim 3 , wherein the insert is configured to limit application of the lubricant mist to the seal wiping surface.5. The tool according to claim 1 , wherein the insert and the spray valve are configured to accommodate a perfluoropolyether based lubricant.6. The tool according to claim 1 , wherein the insert and the spray valve are configured to accommodate a phenylmethyl polysiloxane based lubricant.7. The tool according to claim 1 , wherein the resilient seal axially surrounds a portion of the male connector body.8. The tool according to claim 1 , wherein the spray value is connected to an air supply and a ...

FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM

This fluorine-containing ether compound is a fluorine-containing ether compound represented by formula (1). 2. The fluorine-containing ether compound according to claim 1 , wherein Y in the formula (3) represents one of O claim 1 , S and CH.3. The fluorine-containing ether compound according to claim 1 , wherein R in the formula (3) represents a methyl group or H.4. The fluorine-containing ether compound according to claim 1 , wherein Rin the formula (1) represents one of a vinyloxy group claim 1 , an allyloxy group claim 1 , a 3-butenyloxy group claim 1 , a 4-pentenyloxy group and a propargyloxy group.5. The fluorine-containing ether compound according to claim 1 , wherein Rin the formula (1) is represented by any one of formulas (4) to (6) shown below:{'br': None, 'sub': 2', '2', '2', 'c', '2', 'a', '2, '—CFO—(CFCFO)—(CFO)—CF—\u2003\u2003(4)'} {'br': None, 'sub': 3', '3', '2', 'e', '3, '—CF(CF)—(OCF(CF)CF)—OCF(CF)—\u2003\u2003(5)'}, 'wherein in the formula (4), c and d indicate an average polymerization degree, and each represents a number from 0 to 30, provided that c and d are not both 0,'} {'br': None, 'sub': 2', '2', '2', '2', '2', 'f', '2', '2, '—CFCFO—(CFCFCFO)—CFCF—\u2003\u2003(6)'}, 'wherein in the formula (5), e indicates an average polymerization degree, and represents a number from 0.1 to 30,'}wherein in the formula (6), f indicates an average polymerization degree, and represents a number from 0.1 to 30.6. The fluorine-containing ether compound according to claim 1 , wherein the polar groups in Rin the formula (1) are hydroxyl groups.8. The fluorine-containing ether compound according to claim 1 , having a number average molecular weight within a range from 500 to 10 claim 1 ,000.9. A lubricant for a magnetic recording medium claim 1 , the lubricant comprising the fluorine-containing ether compound according to .10. A magnetic recording medium comprising at least a magnetic layer claim 1 , a protective layer and a lubricant layer provided sequentially ...

Synthetic lubricating oil compositions

A lubricating base stock comprising an alkyl aromatic, a blend of additives, a blend of oil soluble polyalkylene glycols and a blend of polyolefins. In the lubricating base stock, the blend of polyolefins comprises at least one metallocene polyolefin.

Composite lubricating material, engine oil, grease, and lubricant

A composite lubricating material include at least a graphite-based carbon material and/or graphene-like graphite exfoliated from the graphite-based carbon material dispersed in a base material. The graphite-based carbon material is characterized by having a rhombohedral graphite layer (3R) and a hexagonal graphite layer (2H), wherein a Rate (3R) of the rhombohedral graphite layer (3R) and the hexagonal graphite layer (2H), based on an X-ray diffraction method, which is defined by following Equation 1 is 31% or more: Rate (3 R )= P 3/( P 3+ P 4)×100   Equation 1 wherein P3 is a peak intensity of a (101) plane of the rhombohedral graphite layer (3R) based on the X-ray diffraction method, and P4 is a peak intensity of a (101) plane of the hexagonal graphite layer (2H) based on the X-ray diffraction method.

Lubricating oil composition

The object of this invention is to offer a lubricating oil composition which has superior extreme pressure properties (ability to prevent welding), which generates a small amount of sludge and which also has a high viscosity index. The invention provides a lubricating oil composition to which has been added a copolymer of specified olefins and alkyl methacrylates.

Perfluoropolyether Compound, Lubricant, And Magnetic Disk

Provided is a compound with which a lubricant having excellent adhesion to a magnetic disk, particularly to a protective layer can be provided. A perfluoropolyether compound in accordance with one aspect of this invention has a structure in which two perfluoropolyethers are bonded to each other through an aliphatic ether, the aliphatic ether including a carbon atom to which a primary alcohol is bonded. 1. A perfluoropolyether compound having a structure in which two perfluoropolyethers are bonded to each other through an aliphatic ether , the aliphatic ether including a carbon atom to which a primary alcohol is bonded.4. A lubricant comprising the perfluoropolyether compound recited in .5. A magnetic disk comprising:a recording layer;a protective layer disposed on the recording layer; and{'claim-ref': {'@idref': 'CLM-00004', 'claim 4'}, 'a lubricant layer disposed on the protective layer, the lubricant layer containing the lubricant recited in .'} The present invention relates to a perfluoropolyether compound, a lubricant, and a magnetic disk.Many of the existing magnetic disks are constituted by: a recording layer disposed on a substrate; a protective layer disposed on the recording layer in order to protect information recorded on the recording layer; and a lubricant layer disposed on the protective layer.As conventional techniques related to a surface lubricant for a magnetic disk, the techniques disclosed in Patent Literatures 1 to 4 are known, for example. Patent Literatures 1 to 4 disclose various perfluoropolyether compounds.[Patent Literature 1][Patent Literature 2][Patent Literature 3][Patent Literature 4]However, the above-described conventional techniques have room for improvement in terms of bringing the lubricant layer into close contact with the magnetic disk, particularly with the protective layer.An aspect of the present invention has an object to provide a lubricant having excellent adhesion with respect to a magnetic disk, particularly with respect ...

Lubricating Agent Solution, Magnetic Disk And Method For Manufacturing Same

Provided is a lubricant solution capable of being applied to a magnetic disk without use of a fluorine solvent. A lubricant solution in accordance with an aspect of the present invention includes: water; and a perfluoropolyether compound that satisfies Expression (I) below: N OH /(Mn/1500)≥2  (1), where N OH represents the number of hydroxyl groups per molecule of the perfluoropolyether compound and Mn represents a number average molecular weight of the perfluoropolyether compound.

Ionic liquid, lubricant, and magnetic recording medium

A lubricant including an ionic liquid, which includes a conjugate acid (B + ) and a conjugate base (X − ), and is protic, wherein the ionic liquid is represented by the following general formula (1): where R 1 and R 2 each represent a hydrogen atom or R 1 and R 2 form a benzene ring together with carbon atoms to which R 1 and R 2 are bonded, and R 3 represents a straight-chain hydrocarbon group having 10 or more carbon atoms in the general formula (1).

Complex polyester composition, lubricant composition, lubricant, and production method for complex polyester composition

An object of the present invention is to provide a lubricant which has excellent lubrication performance and is able to exhibit excellent lubrication performance even when under extreme pressure conditions. The present invention relates to a complex polyester composition containing polyester obtained by condensing polyhydric alcohol having at least two hydroxyl groups, a dicarboxylic acid having 44 carbon atoms, and monohydric alcohol. Further, the present invention relates to a lubricant composition containing the complex polyester composition, and a lubricant and a production method for a complex polyester composition.

(per)fluoropolyether polymers

The present invention relates to a novel process for the synthesis of (per)fluoropolyether polymers and to certain novel (per)fluoropolyether polymers. The present invention also relates to the use the (per)fluoropolyether polymers thus obtained, as intermediate compounds for the manufacture of further polymers suitable for use as lubricants, notably for magnetic recording media (MRM).

FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM

Provided is a fluorine-containing ether compound that can be suitably used as a material for a lubricant for a magnetic recording medium, capable of forming a lubricant layer having excellent chemical substance resistance and wear resistance even when the thickness is small. A fluorine-containing ether compound represented by the following formula (1): 1. A fluorine-containing ether compound represented by the following formula (1) ,{'br': None, 'sup': 1', '2', '3', '4', '5, 'sub': 2', '2, 'R—R—CH—R—CH—R—R\u2003\u2003(1)'}{'sup': 3', '2', '4', '1', '5', '2', '4', '1', '5, 'wherein in the formula (1), Ris a perfluoropolyether chain; Rand Rare divalent linkage groups having a polar group and may be the same or different; Rand Rare terminal groups bonded to Ror Rand may be the same or different; and at least one of Rand Ris an organic group having 1 to 8 carbon atoms wherein one or more hydrogen atoms of the organic group is substituted with a cyano group.'}2. The fluorine-containing ether compound according to claim 1 , wherein the organic group is a phenyl group or an alkyl group having 1 to 5 carbon atoms.3. The fluorine-containing ether compound according to claim 1 , wherein the polar group is a hydroxy group.4. The fluorine-containing ether compound according to claim 1 , wherein Rand Rin the formula (1) are represented by the following formula (2-1) claim 1 ,{'br': None, 'sub': 2', '2', 'a, '—(X—CHCH(OH)CH)—X—\u2003\u2003(2-1)'}{'sub': '2', 'wherein in the formula (2-1), a represents an integer of 1 to 3, X represents an oxygen atom or CH, and two X may be the same or different.'}5. The fluorine-containing ether compound according to claim 4 , wherein a in the formula (2-1) is 1 or 2 claim 4 , and each X is an oxygen atom.6. The fluorinated ether compound according to claim 1 , wherein Rin the formula (1) is any one of the following formulas (3) to (5) claim 1 ,{'br': None, 'sub': 2', '2', '2', 'c', '2', 'a', '2, '—CFO—(CFCFO)—(CFO)—CF—\u2003\u2003(3)'} {'br': ...

Additive for magnetorheological fluids

A magnetorheological fluid is provided having a reduced coefficient of friction and favorable settling characteristics. The fluid contains magnetically responsive particles, a carrier fluid, and an amine oleate salt.

COMPOSITIONS COMPRISING 1,2-DICHLORO-1,2-DIFLUOROETHYLENE FOR USE IN CLEANING AND SOLVENT APPLICATIONS

The present application provides compositions comprising 1,2-dichloro-1,2-difluoroethylene (i.e., CFO-1112) and, optionally, an additional component. The present application further provides use of the compositions provided herein in cleaning, solvent, carrier fluid, and deposition applications. 1. A process for dissolving a solute , comprising contacting and mixing said solute with a sufficient quantity of a composition comprising:i) 1,2-dichloro-1,2-difluoroethylene, and, optionally,ii) a compound selected from N-pentane, HFE-7000, R-1233xfB, R-1336mzzZ, dimethoxymethane, R-1345mzzE, R-43-10mee, R-365mfc, tetrahydrofuran, and R-153-10mzzy.2. The process of claim 1 , wherein the solute comprises rosin flux claim 1 , oil claim 1 , or a mixture thereof.3. The process of claim 2 , wherein the rosin flux is selected from RMA (rosin mildly activated) claim 2 , RA (rosin activated) claim 2 , WS (water soluble) claim 2 , and OA (organic acid) rosin flux claim 2 , or any mixture thereof.4. The process of claim 2 , wherein the oil is selected from mineral oil claim 2 , motor oil claim 2 , silicone oil claim 2 , a fluorinated oil claim 2 , or any mixture thereof.5. The process of claim 1 , further comprising recovering the solute from the composition.6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. (canceled)12. A process for removing at least a portion of water from the surface of a wetted substrate claim 1 , comprising: i)1,2-dichloro-1,2-difluoroethylene, and, optionally,', 'ii) a compound selected from N-pentane, HFE-7000, R-1233xfB, R-1336mzzZ, dimethoxymethane, R-1345mzzE, R-43-10mee, R-365mfc, tetrahydrofuran, and R-153-10mzzy, and, 'a) contacting the substrate with a composition comprisingb) removing the substrate from contact with the composition.13. The process of claim 12 , wherein composition further comprises at least one surfactant suitable for dewatering or drying the substrate.14. The process of claim 13 , wherein the surfactant is ...

Lubricating oil compositions

wherein the number of repeat units (n) in the polymer is an integer between 4 and 1000, such as between 4 and 500. The polymer carries an inorganic or organic nucleophilic polymerisation terminating group (t), and an initiator group (i) connected to the N atom of a repeat unit, the initiator group (i) being effective to initiate the polymerisation of linear, branched or cyclic hydrocarbyl moieties. At least 5% of the total number of the groups R1 in the polymer comprise alkenyl groups having between 15 and 20 carbon atoms.

Solid lubricant, solid lubricant coater and image forming apparatus

The present invention relates to a solid lubricant to be coated on an image bearing member included in an electrophotographic image forming apparatus. The solid lubricant contains a resin particle and metal soap. The resin particle includes a particle body containing an amorphous resin as a principal component, and a fluorine atom supported on a surface of the particle body. The resin particle is a particle having a volume average particle size of 70 nm or more. The solid lubricant can sufficiently increase a cleaning effect in the image forming apparatus.

Polymers and the use thereof as lubricating agents in the production of alkali metal films

The present invention relates to polymers used as rolling lubricating agents, to compositions comprising said polymers, and to alkali metal films including the polymers or compositions on the surface(s) thereof. The use of said polymers and compositions is also described for strip-rolling alkali metals or alloys thereof in order to obtain thin films. Methods for producing said thin films, which are suitable for use in electrochemical cells, are also described. The present invention proposes an improved lubricant according to formula I, which, for example, achieves enhanced conductivity, and/or enables the production of electrochemical cells having an improved life span in cycles.

Lubricating Composition Comprising Poly (Isobutylene) /Poly (Vinyl Aromatic) Block Copolymer

The invention provides a lubricating composition containing an oil of lubricating viscosity and a block copolymer of a poly(olefin) block, such as poly(isobutylene) (PIB) and a polyvinyl aromatic) block, such as poly(styrene), wherein the copolymer is optionally functionalized or grafted. The invention further provides a method of using the block copolymer to control deposits in a lubricating oil composition.

Grease for rolling bearing, rolling bearing, rolling bearing device, and information recording and reproducing apparatus

Provided is grease for a rolling bearing of an information recording and reproducing apparatus 1, containing a base oil, a thickener, and at least one kind of an antioxidant selected from an amine-based antioxidant (A) expressed by the General Formula (1), and a phenol-based antioxidant (B) expressed by the General Formula (2).

Composition comprising fluorine-containing ketone

Disclosed is a composition comprising: (A) at least one fluorine-containing ketone; and (B) an effective amount of stabilizer which is selected from at least one of the group consisting of an epoxy compound, a nitro compound, a hindered phenolic compound, a β-diketone compound, a phosphite compound, a salicylate compound, a cinnamate compound, a hydroxybenzophenone compound, a hydroxybenzoic acid compound, an alkoxy methane compound, and an organic thio compound, The composition provided by the present invention has stable performance, and can be used as a fire extinguishing agent, a heat transfer medium, etc.

Lubricants for magnetic recording media

The invention relates to lubricants for magnetic recording media, and in particular, to such lubricants containing cyclotriphosphazene. Methods for preparing the lubricants are also disclosed.

Transformer Oil Basestock and Transformer Oil Composition Comprising the Same

A transformer oil basestock is disclosed that includes at least 99 wt % of naphthenes and paraffins, based on the total weight of the transformer oil basestock, wherein the weight ratio of naphthenes to paraffins is at least 1, as measured by GC-MS, and wherein the paraffins consist essentially of isoparaffins, as determined by GC-FID. In addition, a transformer oil composition is disclosed that includes the transformer oil basestock, an anti-gassing agent and an antioxidant.

Solid lubricant, solid lubricant application apparatus and image forming apparatus

A solid lubricant to be applied onto an image carrier of an image forming apparatus of an electrophotographic system, includes a metal soap and resin particles, and the resin particles have a particle main body constituted by a rigid resin other than fluorine-based resins, and fluorine atoms carried on the surface of the particle main body.

(PER)FLUOROPOLYETHER POLYMERS

The present invention relates to a novel process for the synthesis of (per)fluoropolyether polymers, to certain novel (per)fluoropolyether polymers. The present invention also relates to the use of the (per)fluoropolyether polymers thus obtained as intermediate compounds for the manufacture of further polymers suitable for use as lubricants, notably for magnetic recording media (MRM). 117.-. (canceled)20. The method of claim 19 , wherein at least one compound (H) is a compound (Hc) claim 19 , and is reacted with compounds (F) which are different from compound (Fc).21. The method of claim 20 , wherein polymers of mixture (FH) have a backbone which comprises units (RFHc).22. The method according to claim 18 , wherein said method (FH) comprises a Step (3) of contacting mixture (FH) with a source of molecular fluorine to effect fluorination of polymers of mixture (FH).23. The method according to claim 22 , said method (FH) further including an additional Step (2) claim 22 , after Step (1) and before Step (3) claim 22 , in which end groups of hydroxyl-type are protected claim 22 , and wherein Step (2) is a step of converting hydroxyl groups of formula: HO—[CRH1RH2]h1- and/or —[CRH1RH2]h2-OH into corresponding fluoroformate groups of formula F—C(O)—O—[CRH1RH2]h1- and/or formula —[CRH1RH2]h2-O—C(O)—F.24. The method of claim 23 , said method (FH) further comprising a Step (4) claim 23 , after Step (3) claim 23 , wherein said Step (4) comprises reacting polymers having one or more than one fluoroformate group to provide corresponding polymers having one or more than one carboxylic acid groups of formula —COOH and/or ester group of formula —C(═O)O—Ralk wherein Ralk is a linear or branched alkyl chain comprising from 1 to 10 carbon atoms.25. The method of claim 24 , wherein in Step (4) mixture (FF—OC(O)F) including polymers having one or more than one fluoroformate group is submitted to hydrolysis conditions in the presence of water claim 24 , wherein polymers possessing ...

Seal swell agents for lubricating compositions

The invention relates to a seal swell agent which is a substituted sulfonyldibenzene compound, and lubricating compositions containing the seal swell agent. The substituents on the benzene rings may be hydrocarbyl groups of 4 to 20 carbon atoms or alkylene groups of 1-2 carbon atoms with further functional groups.

COOLING AND FLAME-RETARDANT COMPOSITION FOR A PROPULSION SYSTEM OF AN ELECTRIC OR HYBRID VEHICLE

The present invention relates to a composition for cooling a propulsion system of an electric or hybrid vehicle, comprising: (i) at least one base oil, or at least one hydrocarbon-based fluid with a boiling point of greater than or equal to 50° C.; and (ii) at least one fire retardant corresponding to formula (I) 117-. (canceled)18. A composition for cooling a propulsion system of an electric or hybrid vehicle , comprising:(i) at least one base oil, or at least one hydrocarbon-based fluid having a boiling point of greater than or equal to 50° C.; {'br': None, 'sub': F', 'H, 'R-L-R\u2003\u2003(I),'}, '(ii) at least one fire retardant represented by formula (I) [{'sub': 'F', 'Ris a perfluorinated or partially fluorinated group,'}, {'sub': 'H', 'Ris a hydrocarbon-based group, and'}, 'L is a linker,, 'in which,'}wherein the fire retardant is at least partially encapsulated in the composition.19. The composition as claimed in claim 18 , wherein:{'sub': F', '1', '16, 'Ris a perfluorinated or partially fluorinated (C-C)alkyl group, optionally interrupted with one or two heteroatoms chosen from a nitrogen atom and an oxygen atom; and'}{'sub': H', '1', '15', '2', '15', '3', '6, 'Ris a (C-C)alkyl, or (C-C)alkenyl group, the group being optionally substituted with a (C-C)cycloalkyl, phenyl or benzyl group.'}20. The composition as claimed in claim 18 , wherein L is chosen from the following divalent groups: —CH— claim 18 , —CH═CH— claim 18 , —O— claim 18 , —S— or —PO—.21. The composition as claimed in claim 18 , wherein the fire retardant is totally encapsulated in the composition.22. The composition as claimed in claim 18 , wherein the composition comprises between 0.5% and 40% by weight of the fire retardant claim 18 , relative to the total weight of the composition.23. The composition as claimed in claim 18 , wherein the hydrocarbon-based fluid has a boiling point of between 50° C. and 350° C.24. The composition as claimed in claim 18 , wherein the hydrocarbon-based fluid is ...

Lubricating composition for a hybrid electric vehicle transmission

The disclosed technology relates to a lubricant composition for use in an automatic transmission of a hybrid electric vehicle, containing an oil of lubricating viscosity, at least one borate ester, and at least one phosphorus containing compound.

Lubricant Composition

A lubricant composition includes a base oil and melamine cyanurate. The base oil includes a perfluoropolyether oil having a straight chain structure. The lubricant composition is for one of a resin-resin sliding section and a resin-metal sliding section. A melamine cyanurate content is within a range of 1-20% by mass with respect to a sum of the base oil and melamine cyanurate.

Method for lubricating internal combustion engine

A method for lubricating an internal combustion engine, the method including: supplying a lubricating oil composition to a cylinder of an internal combustion engine, wherein the internal combustion engine has a mean effective pressure of no less than 1.3 MPa, wherein an integrated intensity ratio of peaks of CaO in a X-ray diffraction spectrum of an ash is no more than 16.5%, the ash being obtained by incinerating the lubricating oil composition in an air at 950° C.

Lubricant Composition

A lubricant composition includes a base oil present in an amount of greater than 70 parts by weight per 100 parts by weight of the lubricant composition and an antioxidant. The antioxidant has the structure: wherein each X is independently CH or N, so long as at least one X is N. A is an electron donating group that (1) has an atom having at least one lone pair of electrons that is bonded directly to the aromatic ring or (2) is an aryl or alkyl group. Z is chosen from a hydrogen atom and an electron donating group that has an atom having at least one lone pair electrons that is bonded directly to the aromatic ring or is an aryl or alkyl group. 2. The lubricant composition of wherein each of A and Z is independently an electron donating group that has an oxygen atom or nitrogen atom that is bonded directly to the aromatic ring.3. The lubricant composition of wherein each of A and Z is independently —NR claim 1 , —NH claim 1 , —OH claim 1 , —OR claim 1 , —NHCOR claim 1 , or —OCOR claim 1 , wherein R is an alkyl group having 1 to 10 carbon atoms.4. The lubricant composition of wherein at least one of A and Z is —NR claim 1 , wherein R is an alkyl group having 1 to 10 carbon atoms.5. The lubricant composition of wherein at least one of A and Z is —NH.6. The lubricant composition of wherein at least one of A and Z is —OH.7. The lubricant composition of wherein at least one of A and Z is —OR claim 1 , wherein R is an alkyl group having 1 to 10 carbon atoms.8. The lubricant composition of wherein at least one of A and Z is —NHCOR claim 1 , wherein R is an alkyl group having 1 to 10 carbon atoms.9. The lubricant composition of wherein at least one of A and Z is —OCOR claim 1 , wherein R is an alkyl group having 1 to 10 carbon atoms.10. The lubricant composition of wherein at least one of A and Z is an alkyl group having 1 to 20 carbon atoms.11. The lubricant composition of wherein at least one of A and Z is an aryl group.12. The lubricant composition of any one of - wherein ...

LOW PROFILE MULTIDENTATE LUBRICANTS FOR USE AT SUB-NANOMETER THICKNESSES IN MAGNETIC MEDIA

In one embodiment, a multidentate perfluoropolyether (PFPE) lubricant has the formula S-S-S-S-S-S-S, where each Sincludes at least one perfluoroethyl ether unit, Sis a linker segment, and each Sand Sinclude at least one functional group configured to attach to a surface. In another embodiment, a multi dentate PFPE lubricant has the formula S-S-S-S-S-S-S, where each S, S, and Sinclude at least one perfluoroethyl ether unit with the proviso that Shas a different number of perfluoroethyl ether units than at least one of Soand S, and each Sand Sinclude at least one functional group configured to attach to a surface. 1. A lubricant , comprising: {'br': None, 'sub': e', 'o', 'i', 'L', 'i', 'o', 'e, 'S-S-S-S-S-S-S,'}, 'a multidentate perfluoropolyether having the formula{'sub': 'o', 'wherein each Sincludes at least one perfluoroethyl ether unit,'}{'sub': 'L', 'wherein Sis a linker segment,'}{'sub': e', 'i, 'wherein Sand Seach include at least one functional group configured to attach to a surface.'}2. The lubricant as recited in claim 1 , where each Scomprises at least two perfluoroethyl ether units.3. The lubricant as recited in claim 1 , wherein the at least one functional group is selected from the group consisting of: a hydroxyl group claim 1 , a piperonyl group claim 1 , an amine group claim 1 , a carboxylic acid claim 1 , a phosphazene group claim 1 , and combinations thereof.4. The lubricant as recited in claim 1 , wherein each Scomprises at least two functional groups configured to attach to a surface claim 1 , the at least two functional groups being independently selected from the group consisting of: a hydroxyl group claim 1 , a piperonyl group claim 1 , an amine group claim 1 , a carboxylic acid claim 1 , a phosphazene group claim 1 , and combinations thereof.5. The lubricant as recited in claim 1 , wherein each Scomprises one functional group configured to attach to a surface claim 1 , the functional group being selected from the group consisting of: a ...

Composition for an electric vehicle

The use of a lubricant composition in order to cool and/or lubricate the engine of an electric vehicle and the different parts thereof, particularly moving parts, is disclosed. In particular, the use of a lubricant composition includes at least one polyalkylene glycol.

Lubricant Composition

A lubricant composition includes a base oil present in an amount of greater than 70 parts by weight per 100 parts by weight of the lubricant composition and an antioxidant. The antioxidant has the structure: wherein each X is independently C—A or N, so long as at least one X is N but no more than two of X are N. Moreover, A is H, cyano or an electron donating group that: (1) has an atom having at least one lone pair of electrons that is bonded directly to the aromatic ring; or (2) is an aryl group or alkyl group. Further, each R is independently H, an alkyl group, or aryl group and each R′ is independently an alkyl group or an aryl group.

Heat dissipation device for led lamp

Heat dissipation devices for a light emitting diode (LED) lamp are presented including: a base; a number of heat conducting fins vertically stacked and mechanically coupled with the base, where the heat conducting fins radiate outward from the base; and an LED module mechanically coupled with the base. In some embodiments, the base further includes a thermal conductive grease for maximizing heat transfer between the base on the LED socket. In some embodiments, the thermal conductive grease is a silicon grease. In some embodiments, the heat conducting fins further include: a number of vented separators positioned along at least one surface of each of the number of heat conducting fins; a rib feature disposed lengthwise along each surface of each of the number of heat conducting fins.

FLUORINE- CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM

A fluorine-containing ether compound represented by a formula (1) shown below. 1. A fluorine-containing ether compound represented by a formula (1) shown below:{'br': None, 'sup': 4', '3', '2', '1', '2', '3', '5, 'sub': 2', '2', '2', '2', '2', '2, 'R—CH—R—CH—R—CH—R—CH—R—CH—R—CH—R\u2003\u2003(1)'}{'sup': 1', '3', '2', '4', '5', '4', '5, 'wherein Rand Rrepresent identical or different perfluoropolyether chains, Rrepresents a linking group containing at least one polar group, one or both of Rand Rrepresent a terminal group containing two or more polar groups, and Rand Rare different.'}5. The fluorine-containing ether compound according to claim 1 , wherein a number of carbon atoms in Rin the formula (1) is from 1 to 20.7. The fluorine-containing ether compound according to claim 1 , wherein one of Rand Rin the formula (1) is a hydroxyl group.20. The fluorine-containing ether compound according to claim 1 , having a number average molecular weight within a range from 1 claim 1 ,000 to 10 claim 1 ,000.21. A lubricant for a magnetic recording medium comprising the fluorine-containing ether compound according to .22. A magnetic recording medium comprising at least a magnetic layer claim 1 , a protective layer and a lubricant layer provided sequentially on a substrate claim 1 , wherein the lubricant layer contains the fluorine-containing ether compound according to .23. The magnetic recording medium according to claim 22 , wherein an average thickness of the lubricant layer is from 0.5 nm to 3 nm. The present invention relates to a magnetic recording medium, a fluorine-containing ether compound, and a lubricant for a magnetic recording medium.Priority is claimed on Japanese Patent Application No. 2016-031473, filed Feb. 22, 2016, the content of which is incorporated herein by reference.In order to improve the recording density of magnetic recording and playback devices, the development of magnetic recording media that are suited to high recording densities continues to ...

Lubricant basestock production with enhanced aromatic saturation

Systems and methods are provided for producing lubricant basestocks having a reduced or minimized aromatics content. A first processing stage can perform an initial amount of hydrotreating and/or hydrocracking. A first separation stage can then be used to remove fuels boiling range (and lower boiling range) compounds. The remaining lubricant boiling range fraction can then be exposed under hydrocracking conditions to a USY catalyst including a supported noble metal, such as Pt and/or Pd. The USY catalyst can have a desirable combination of catalyst properties, such as a unit cell size of 24.30 or less (or 24.24 or less), a silica to alumina ratio of at least 50 (or at least 80), and an alpha value of 20 or less (or 10 or less). In some aspects, the effluent from the second (hydrocracking) stage can be dewaxed without further separation. In such aspects, a portion of the dewaxed effluent can be used as a recycle quench stream to cool the hydrocracking effluent prior to entering the dewaxing reactor.

Base stocks and lubricant compositions containing same

A base stock having at least 90 wt. % saturates, an amount and distribution of aromatics, as determined by ultra violet (UV) spectroscopy, including an absorptivity between 280 and 320 nm of less than 0.015 l/gm-cm, a viscosity index (VI) from 80 to 120, and having a cycloparaffin performance ratio greater than 1.05 and a kinematic viscosity at 100° C. between 4 and 6 cSt. A base stock having at least 90 wt. % saturates, an amount and distribution of aromatics, as determined by UV spectroscopy, including an absorptivity between 280 and 320 nm of less than 0.020 l/gm-cm, a viscosity index (VI) from 80 to 120, and having a cycloparaffin performance ratio greater than 1.05 and a kinematic viscosity at 100° C. between 10 and 14 cSt. A lubricating oil having the base stock as a major component, and one or more additives as a minor component. Methods for improving oxidation performance and low temperature performance of formulated lubricant compositions through the compositionally advantaged base stock.

Anti-degradation and self-healing lubricating oil

A lubricating oil comprises a base oil; and an anti-degradation additive comprising microcapsules, nanocapsules, or a combination comprising at least one of the foregoing; the microcapsules and the nanocapsules each independently having a core of a neutralizing material and a polymeric encapsulant configured to release the neutralizing material in an acidic environment by breaking crosslinks or hydrogen bonds in the polymeric encapsulant. The released neutralizing material can prevent the formation of viscous, high molecular weight molecules thus enhancing the lifetime of the lubricating oil and improving its reliability.

Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium

Provided is a fluorine-containing ether compound capable of forming a lubricant layer having excellent wear resistance even when the thickness is thin, and suitable as a material of a lubricant for a magnetic recording medium. The fluorine-containing ether compound is a compound represented by the following formula (1): R 1 —R 2 —CH 2 —R 3 —CH 2 —R 4 —R 5 ; wherein R 3 is a perfluoropolyether chain; R 1 is a terminal group bonded to R 2 ; R 5 is a terminal group bonded to R 4 ; R 1 is an alkenyl group or an alkynyl group; R 5 is a group containing a heterocyclic ring; R 2 is represented by the following formula (2); R 4 is represented by the following formula (3); and a in the formula (2) and b in the formula (3) are each independently an integer of 1 to 3.

Polymers and the use thereof as lubricating agents in the production of alkali metal films

Polymers used as rolling lubricating agents, to compositions including said polymers, and to alkali metal films including the polymers or compositions on the surface(s) thereof. The use of said polymers and compositions is also described for strip-rolling alkali metals or alloys thereof in order to obtain thin films. Methods for producing said thin films, which are suitable for use in electrochemical cells, are also described. An improved lubricant according to formula I, which, for example, achieves enhanced conductivity, and/or enables the production of electrochemical cells having an improved life span in cycles.

Composition for heat cycle system, and heat cycle system

A composition for a heat cycle system and a heat cycle system employing the composition are provided. The composition has favorable lubricating properties and contains a working fluid for heat cycle and a refrigerant oil. The working fluid has a low global warming potential and can replace R410A. The working fluid contains an unsaturated fluorinated hydrocarbon compound having a specific structure. The refrigerant oil has a breakdown voltage of at least 25 kV, a hydroxyl value of at most 0.1 mgKOH/g, and a kinematic viscosity at 40° C. of from 5 to 200 mm2/s and a kinematic viscosity at 100° C. of from 2 to 30 mm2/s.

Nano memory device

A non-volatile memory circuit in embodiments of the present invention may have one or more of the following features: (a) a logic source, and (b) a semi-conductive device being electrically coupled to the logic source, having a first terminal, a second terminal and a nano-grease with significantly reduced amount of carbon nanotube loading located between the first and second terminal, wherein the nano-grease exhibits non-volatile memory characteristics.

INITIAL RUNNING-IN AGENT COMPOSITION AND INITIAL RUNNING-IN SYSTEM INCLUDING SAID COMPOSITION

The present invention provides an initial running-in agent composition suitable for forming a low-friction surface (running-in surface) on a sliding member, such as a hard carbon film, in a system in which water is used as a lubricant. The initial running-in agent composition () according to an embodiment of the present invention contains water as a lubricant base and nanodiamond particles (). In the initial running-in agent composition (), a content of the water () is preferably mass % or greater, and a content of the nanodiamond particles () is preferably mass % or less. 1. An initial running-in agent composition containing water as a lubricant base and nanodiamond particles.2. The initial running-in agent composition according to claim 1 , wherein a content of the water is 99 mass % or greater claim 1 , and a content of the nanodiamond particles is 1.0 mass % or less.3. The initial running-in agent composition according to claim 1 , wherein the content of the nanodiamond particles is from 0.5 to 2000 ppm by mass.4. The initial running-in agent composition according to claim 1 , wherein the nanodiamond particles are an oxygen oxidation product of detonation nanodiamond particles.5. The initial running-in agent composition according to claim 1 , wherein a zeta potential of the nanodiamond particles is negative.6. The initial running-in agent composition according to claim 1 , wherein a peak position attributed to C═O stretching vibration in FT-IR of the nanodiamond particles is 1750 cmor greater.7. The initial running-in agent composition according to claim 1 , wherein the nanodiamond particles are a hydrogen reduction product of detonation nanodiamond particles.8. The initial running-in agent composition according to claim 1 , wherein the zeta potential of the nanodiamond particles is positive.9. The initial running-in agent composition according to claim 1 , wherein the peak position attributed to C═O stretching vibration in FT-IR of the nanodiamond particles is ...

Lubricant compositions

Provided herein is a lubricant including a compound of Formula I L-(CF 2 CF 2 O) n —CF 2 CH 2 O—N—OCH 2 CF 2 O—(CF 2 CF 2 O) m -M   (Formula I) wherein L is selected from the group consisting of M is selected from the group consisting of wherein each instance of R 1 , R 2 , and R 3 is independently selected from the group consisting of hydroxyl, alkoxyl, carbocycyl, phenyl, heterocycyl, piperonyl, carboxyl, alkylamido, acetamido, carbamoyl, N-alkylcarbamoyl, N,N-dialkylcarbamoyl, 2,3-dihydroxy-l-propoxyl, acryloyl, alkacryloyl, methacryloyl, a sustituent of methyl methacrylate, and a substituent of glycidyl ether; and wherein n≧1, m≧1, and n and m are the same or different.

Composition for low temperature

Lubricant composition comprising a dicarboxylic acid ester component which is formed from a dicarboxylic acid selected from the list consisting of adipic acid, phthalic acid, pimilic acid, suberic acid, azelaic acid and sebacic acid, and mixtures thereof and a branched aliphatic alcohol R—OH which is defined according to the following formula (I) whereas q, r and s are defined as follows, q+r=4 to 9, s=0 to 5, q=1 to 8, and r=1 to 6, and an ethylene-propylene copolymer.

Ionic Liquid, Lubricant, and Magnetic Recording Medium

A lubricant including an ionic liquid including a conjugate base and a conjugate acid, wherein the conjugate acid is represented by General Formula (A) below, and wherein a pKa of an acid that is a source of the conjugate base in acetonitrile is 10 or less, where, in General Formula (A), R is a group including a straight-chain hydrocarbon group having 6 or greater carbon atoms, and R 1 and R 2 are each independently a hydrocarbon group.

Additive and lubricant for industrial lubrication

Turbine lubricant additives and lubricants including such additives that provide rust prevention and water separation but also pass the demanding stage II wet filterability at the same time.

Group iii base stocks and lubricant compositions

Disclosed are Group III base stocks comprising greater than or equal to about 90 wt. % saturated hydrocarbons (saturates); a viscosity index from 120 to 145; a unique ratio of molecules with multi-ring naphthenes to single ring naphthenes (2R+N/1RN); a unique ratio of branched carbons to straight chain carbons (BC/SC); a unique ratio of branched carbons to terminal carbons (BC/TC); and unique MRV behavior as a function of base stock naphthene ratio (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.

Biogenic low viscosity insulating oil

A method of producing a non-petroleum based electrical insulating oil, wherein the method can include providing a primary mixture of non-petroleum origin, containing isomerized straight chain hydrocarbons; performing a distillation and/or stripping of the primary mixture; collecting a paraffinic base oil as a product of the distillation and/or stripping, containing a mixture of isoalkanes and alkanes; and mixing the base oil with an antioxidant additive.

Process to prepare a blended brightstock

The invention relates to a bright stock base oil blend comprising of a paraffinic base oil component having a viscosity at 100 0C of from 8 to 25 mm^/sec and a residual and de-asphalted oil component, and the use of said blend as part of a gear oil or a cylinder oil formulation, and other uses.

Verfahren zum Aufbereiten von Altölen und/oder Öl/Wassergemischen oder ähnlichen flüssigen Gemischen

Die Erfindung betrifft ein Verfahren zum Aufbereiten von Altölen und/oder Öl/Wassergemischen und/oder Lösemittel/Wassergemischen oder ähnlichen flüssigen Gemischen. Erfindungsgemäß werden die Altöle oder flüssigen Gemische einem zweistufigen Prozess unterworfen, bei dem zunächst mittels Extraktion Verunreinigungen weitestgehend entfernt werden und die verbleibenden Verunreinigungen anschließend mittels Adsorption entfernt werden, wobei das Adsorptionsmittel regenerierbar ist.

공업 기어용 윤활유 조성물 및 그의 제조 방법

［과제］ 극히 우수한 온도 점도 특성을 갖고, 더욱이 내열산화 안정성도 우수한 공업 기어유를 제공하는 것. ［해결 수단］ 100℃에 있어서의 동점도가 1∼100mm 2 /s, 점도 지수가 100 이상, 유동점이 0℃ 이하인 윤활유 기유(A)를 10∼90질량%, 및 특정의 촉매를 이용하여 제조되는 에틸렌과 α-올레핀의 액상 랜덤 공중합체(B)를 90∼10질량%((A), (B)의 합계를 100질량%로 한다.) 함유하고, 40℃에 있어서의 동점도가 100∼10,000mm 2 /s인 공업 기어용 윤활유 조성물.

Lubricants from mixed alpha-olefin feeds

This invention discloses an improved process which employs mixed alpha-olefms as feed over activated metallocene catalyst systems to provide essentially random liquid polymers particularly useful in lubricant components or as functional fluids.

Production of liquid polyolefins

A method for preparing a liquid polyolefin includes contacting a feedstock comprising at least one olefin monomer with a catalyst system to produce a reactor effluent stream, filtering the reactor effluent stream, washing a created filter cake with a wash fluid comprising at least one hydrocarbon liquid; and recovering the liquid polyolefin. The catalyst system may be any conventional polyolefin catalyst system, and in a preferred embodiment, the catalyst system contains at least one activated metallocene catalyst. The reactor effluent stream comprises at least one liquid polyolefin, residual catalyst, and unreacted olefin monomer.

Lubricants from mixed alpha-olefin feeds

This invention discloses an improved process which employs mixed alpha-olefms as feed over activated metallocene catalyst systems to provide essentially random liquid polymers particularly useful in lubricant components or as functional fluids.

Lubricant system clean-up compositions and methods thereof

The present invention relates a lubricant and/or clean-out composition comprising: (a) a dispersant component comprising a succinimide dispersant and/or a quaternary ammonium salt dispersant; (b) a carrier fluid component; and (c) an optional corrosion inhibitor, as well as methods of cleaning out deposits in a lubricant system, such as a hydraulic system, using such compositions.

Stabilized blends containing antioxidants

The present invention relates to functional fluid compositions containing antioxidants, and specifically stable compositions containing antioxidants with limited solubility in and/or limited compatibility with the functional fluids with which they are used. In particular the present invention deals with functional fluids used in internal combustion engines, such as engine oils, and antioxidants containing a phenolic or benzoic group, where the antioxidant is present in the functional fluid composition at levels that would otherwise cause the composition to be unstable and/or hazy.

Bimodal copolymer compositions useful as oil modifiers and lubricating oils comprising the same

Lubricating oil compositions are provided which contain bimodal copolymer compositions, and in particular bimodal ethylene-a-olefin copolymer compositions. The copolymer compositions comprise first and second ethylene-a-olefin copolymer components. The bimodal compositions are particularly useful as viscosity or rheology modifiers, e.g., in lubricating oil compositions. Lubricating oil compositions comprising the copolymer compositions advantageously exhibit enhanced shear stability index (SSI) and thickening efficiency (TE) values, while maintaining excellent low-temperature properties such as pour point, mini-rotary viscometer viscosity, and cold crank simulation performance.

Conductive lubricant for magnetic disk drives

An improved disk drive system using a non-ferrofluid conductive lubricant is disclosed. In the disk drive system, there is a plurality of critically spaced magnetic disks rotated by a disk motor. A spindle shaft, which is retained by the spindle sleeve, couples to the disk motor and to the plurality of magnetic disks for rotation. The spindle shaft and spindle sleeve uses a bearing, which is lubricated by a non-ferrofluid conductive lubricant. The lubricant is used to prevent electrostatic charge build up during operation of the disk drive system. The lubricant may be either a non-polar oil or a ball bearing grease and further comprising either a metal caged fullerenes compound, STADIS-450, ASA-3, or Polyfloe 130. One particular type of lubricant is an emeraldine salt of polyanilin produced according to the steps of first reacting a solution of HCL and ammonium persulfate into a solution of HCL and analine to form a polymer. Next, the polymer is mixed with ammonium hydroxide and then is prepared to have a molecular weight of 1,000-20,000. Finally, the polymer is mixed with dodecyl benzylsulfonc acid or camphor sulfonic acid until the emeraldine salt is formed.

Lubricants from mixed alpha-olefin feeds

Process for the production of thermoplastic masses

Lubricating composition

The present invention relates to a lubricating composition comprising a hydrocarbon lubricant base oil in combination with (a) a phenyl-naphthylamine, (b) a thiophosphate, and (c) a diphenyl amine, preferably in combination with (d) an aspartic acid ester. Further, the invention relates to the use of the lubricating composition for lubricating a combination of a gas turbine and a steam turbine.

Fluorinated lubricants

Fluorinated lubricants of formula T-O-[A-B]z-[A-B']z'-A-T' (I) wherein: A = -(X)a-O-A'-(X')b- A' is a perfluoropolyether chain comprising units (CF2O), (CF2CF2O), (CF2CF2CF2O), (CF2CF2CF2CF2O); X, X' = -CF2-, -CF2CF2-; a, b = 0 or 1; B derives from olefins, of which at least one homopolymerizable by radical route, of formula: -[(CR1R2-CR3R4)j(CR5R6-CR7R8)j']- (Ia) wherein j = 1-5, j'= 0-4 and 2 <(j+j')< 5; R1-R8 = halogen, H, C1-C6 (per)haloalkyl, C1-C6 alkyl, C1-C6 oxy(per)-fluoroalkyl; z ≥ 2; z' is 0 or an integer; z, z' are such that the number average molecular weight of the polymer of formula (I) is in the range 500-500,000; B'= (Ia) but at least one of R1-R8 has a meaning different than that in B and 2 ≤(j+j')< 5; T, T' = C1-C3 perfluoroalkyl, C1-C6 alkyl and compositions thereof.

Fluorinated lubricant composition and its use

Fluorbasierte Schmiermittelzusammensetzung, umfassend ein Basisöl und eine fluorhaltige Verbindung, dargestellt durch die allgemeine Formel CF3(CF2)nO(CF2O)p(C2F4O)q(C3F6O)rRfCONHAr[I]worin Ar eine 2-Benzimidazolgruppe ist, Rf eine Fluorkohlenstoffgruppe der Kohlenstoffanzahl 1 oder 2 ist, n 0, 1 oder 2 ist, p, q und r eine ganze Zahl sind, die der Bedingung p + q + r ≰ 100 genügen, wobei eine oder zwei aus p, q und r 0 sein kann bzw. können, und die CF2O-Gruppe, die CF2O4-Gruppe und die C3F6O-Gruppe zufällig in der Hauptkette gebundene Gruppen sind, als Additiv, enthalten im Basisöl. A fluorine-based lubricant composition comprising a base oil and a fluorine-containing compound represented by the general formula CF3 (CF2) nO (CF2O) p (C2F4O) q (C3F6O) rRfCONHAr [I] wherein Ar is a 2-benzimidazole group, Rf is a fluorocarbon group of carbon number 1 or 2, n is 0, 1 or 2, p, q and r are an integer satisfying the condition p + q + r ≰ 100, where one or two may be p, q and r 0 and the CF2O group, the CF2O4 group and the C3F6O group are randomly bonded in the main chain as an additive contained in the base oil.

Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium

A fluorine-containing ether compound represented by the formula (1) is provided. The fluorine-containing ether compound is represented by the following formula (1). R 1 —R 2 —CH 2 —R 3 —CH 2 —R 4 (1) (R 3 is a perfluoropolyether chain; R 1 is the formula (2), a in the formula (2) is an integer of 2 or 3, R 5 and R 6 are the same or different substituents. R 5 and R 6 may form a ring structure together with a nitrogen atom; R 2 is the formula (3), b in the formula (3) is an integer of 1 to 3; R 4 is a terminal group having two or three polar groups, in which individual polar groups bond to different carbon atoms and the carbon atoms to which the polar groups bond are bonded to each other through a linking group having a carbon atom to which the polar groups do not bond.)

Nu-oxyalkylated-aminediphenyl-oxo-and amino-compounds

Sulfurized compositions

Sulfurized compositions are prepared by the reaction of unsaturated compounds and a mixture of sulfur and hydrogen sulfide under superatmospheric pressure and in the presence of a catalyst, followed by removal of low boiling materials. They are useful as lubricant additives.

Premium synthetic lubricants

Premium synthetic lubricants comprise a synthetic isoparaffinic hydrocarbon base stock and an effective amount of at least one, and typically a plurality of lubricant additives such as a detergent, dispersant, antioxidant, antiwear additive, pout point depresant, VI improver and the like. The base stock is derived from a waxy, paraffinic, Fischer-Tropsch synthesized hydrocarbon feed fraction having an initial boiling point in the range of about 650-750° F. and continuously boiling up to at least 1050° F., by a process which comprises hydroisomerizing the feed and dewaxing the isomerate. The waxy feed has a T 90 −T 10 temperature difference of at least 350° F. and is preferably hydroisomerized without any pretreatment, other than optional fractionation. The lubricant may also contain hydrocarbonaceous and synthetic base stock material. Lubricants, such as fully formulated multigrade automotive crankcase and transmission oils formed by adding a suitable additive package to the isoparaffinic base stock have exhibited performance superior to similar fully formulated oils based on both PAO and conventional, petroleum derived base stocks.

Lubricating oil composition for industrial gears and method for producing the same

A lubricating oil composition for industrial gears, including 10 to 90% by mass of a lubricant base oil (A) having a kinematic viscosity at 100° C. of 1 to 100 mm2/s, a viscosity index of 100 or more, and a pour point of 0° C. or lower, and 90 to 10% by mass of a liquid random copolymer (B) of ethylene and α-olefin, the liquid random copolymer (B) being prepared by means of a specific catalyst, wherein the total amount of (A) and (B) is 100% by mass, the lubricating oil composition for industrial gears having a kinematic viscosity at 40° C. of 100 to 10,000 mm2/s.

Internal olefin

A novel internal olefin or mixture of internal olefins having the formula R--(CH.sub.2).sub.2 --C(R)=CH--C(R)(CH.sub.3)--(CH.sub.2).sub.2 -R, where each R group is an alkyl group having from four to 12 carbon atoms, is prepared substantially free of olefin isomers by the dimerization of a vinylidene compound in the presence of boron trifluoride complexed with a lower alkyl alcohol. The dimer of 2-octyl-1-dodecene is 11,13-dioctyl-13-methyl-11-tricosene. This vinylidene dimer is useful as a high temperature lubricant.

Processes to produce poly alpha-olefin trimers

The present disclosure generally relates to processes to produce alpha-olefin oligomers and poly alpha-olefins. In an embodiment, a process to produce a poly alpha-olefin (PAO) includes introducing a first alpha-olefin and a first catalyst system comprising a metallocene compound into a continuous stirred tank reactor or a continuous tubular reactor under first reactor conditions to form a first reactor effluent. The alpha-olefin is introduced to the reactor at a flow rate of about 100 g/hr or more. The first reactor effluent includes PAO dimer comprising at least 96 mol% of vinylidene and 4 mol% or less of trisubstituted vinylene and disubstituted vinylene, based on total moles of vinylidene, trisubstituted vinylene, and disubstituted vinylene. The method includes introducing the first reactor effluent, a second alpha-olefin and a second catalyst composition comprising an acid catalyst into a second reactor under second reactor conditions to form a second reactor effluent comprising PAO trimer.

Metallocene dimer selective catalysts and processes to produce poly alpha-olefin dimers

The present disclosure generally relates to processes to produce alpha-olefin oligomers and poly alpha-olefins. In an embodiment, the present disclosure provides a process to produce a poly alpha-olefin (PAO), the process including: introducing a C 6 -C 32 alpha-olefin and a catalyst system comprising activator and a metallocene compound into a continuous stirred tank reactor or a continuous tubular reactor under reaction conditions, wherein the alpha-olefin is introduced to the reactor at a flow rate of about 100 g/hr or more; and obtaining a product comprising PAO dimer and optional higher oligomers of alpha-olefin, or a combination thereof, the PAO dimer comprising 96 mol% or more of vinylidene, based on total moles of vinylidene, disubstituted vinylene, and trisubstituted vinylene in the product. In at least one embodiment, a process includes functionalizing and/or hydrogenating a PAO product of the present disclosure. In at least one embodiment, a blend includes a PAO product of the present disclosure.

Polymerized olefin synthetic lubricants

Low-temperature lubrication grease and rolling bearings

聚α-烯烃三聚物的制备方法和制备设备

在至少一个实施方案中，聚α‑烯烃(PAO)的制备方法包括将第一α‑烯烃与包含活化剂和金属茂化合物的第一催化剂体系导入在第一反应器条件下的连续搅拌釜式反应器或连续管式反应器中以形成第一反应器流出物。将所述第一α‑烯烃按大约100g/hr或更高的流动速率导入反应器。所述第一反应器流出物包括至少60wt％的PAO二聚物和40wt％或更少的更高级低聚物，其中所述更高级低聚物是具有3或更高的聚合度的低聚物。所述方法包括将所述第一反应器流出物和第二α‑烯烃与包括酸催化剂的第二催化剂组合物导入第二反应器中以形成包含PAO三聚物的第二反应器流出物。

Lubricant containing ethylene-alpha-olefin polymers

Base oil having high kinematic viscosity and low pour point

We provide a base oil, comprising oligomerized olefins, wherein the base oil has: a) a kinematic viscosity at 100° C. greater than 10 mm 2 /s, b) a viscosity index from 25 to 90, and c) a pour point less than −19° C.

Lubricating oil composition for industrial gears and method for producing same

[Problem] To provide an industrial gear oil which has extremely excellent temperature viscosity characteristics, while having excellent stability of thermal oxidation resistance. [Solution] A lubricating oil composition for industrial gears, which contains 10-90% by mass of (A) a lubricant base oil that has a kinematic viscosity at 100°C of 1-100 mm 2 /s, a viscosity index of 100 or more and a pour point of 0°C or less and 90-10% by mass of (B) a liquid random copolymer of ethylene and an α-olefin, said random copolymer being produced using a specific catalyst (with the total of (A) and (B) being 100% by mass), and which is configured such that the kinematic viscosity at 40°C is 100-10,000 mm 2 /s.

E-oxcxs-m

Compounded lubricating oil