Abstract:
A water based dispersion that includes lubricating nanoparticles. The lubricating nanoparticles can be provided by at least one intercalation nanoparticle of a metal chalcogenide in dispersion with the water base. The at least one intercalation nanoparticle may have a geometry that is fullerene-like, tubular-like structure or be substantially spherical or the intercalation nanoparticles may include particles have each of the aforementioned geometries. The intercalation nanoparticle is surface treated with a dispersant that is water soluble and includes a polar functional group.
Abstract:
A grease composition which exhibits a long lifetime even when used in high-temperature atmosphere and excellently low evaporation and which is noncombustible, namely, a grease composition which comprises as the base oil an ionic fluid composed of a cation and an anion and having an ion concentration of 1 mol/dm 3 or above as determined at 20°C and which contains a thickening agent having a dropping point of 260°C or above.
Abstract:
A method for improving wear control, while maintaining or improving energy efficiency, in an engine or other mechanical component lubricated with a lubricating oil, by using as the lubricating oil a formulated oil. The formulated oil includes at least one lubricating oil base stock having one or more liquid crystals represented by the formula: R1 - (A) m - Y - (B) n - R2 wherein R1 and R2 are the same or different and are a substituted or unsubstituted, hydrocarbon, alkoxy or alkylthio group having from 2 to 24 carbon atoms; A and B are the same or different and are a cycloaliphatic group or aromatic group, provided at least one of A and B is an aromatic group; Y is a covalent bond, -CH2-CH2-, -CH=CH-, -C≡C-, -OCOO-, -CO-, -CSO-, -CSS-, -CS-, -O-, -S-, -SO-, -SO2-, -CH2O-, -OCH2O-, -NO-, -ONO2, or -C≡N; and m and n are independently 0, 1, 2 or 3. The lubricating oil base stock has a kinematic viscosity of 2 cSt to 200 cSt at 40°C, and 1 cSt to 25 cSt at 100°C. Also, this disclosure relates to low traction/energy efficient liquid crystal base stocks containing liquid crystals.
Abstract:
Compounds [compounds (L)] comprising at least one monocyclic, polycyclic or polycondensed aromatic moiety [moiety (A*)], wherein: at least one carbon atom of moiety (A*) is substituted with a fluoropolyoxyalkene chain [chain (R f )], said chain (R f ) comprising: a) a fluorocarbon segment having ether linkages in the main chain and b) at least one hydroxyl group and wherein: at least one other carbon atom of moiety (A*) is substituted with an electron-withdrawing group and mixtures thereof are herein disclosed. Disclosed are also a process for manufacturing compounds (L), a method for lubricating MRM comprising using compounds (L), a lubricant composition comprising one or more compounds (L) and a method for manufacturing a composition (C).
Abstract:
本発明により、(A)アニオンが下記式1又は2で表されるイオン液体;及び (Rf1-SO 2 )(Rf2-SO 2 )N - 式1 (Rf3)(Rf3)(Rf3)PF 3 - 式2 (式1中、Rf1及びRf2は互いに同一でも異なっていてもよく、F、CF 3 、C 2 F 5 、C 3 F 7 又はC 4 F 9 を表す。式2中、Rf3は互いに同一でも異なっていてもよく、CF 3 、C 2 F 5 、C 3 F 7 又はC 4 F 9 を表す。) (B)0.1~5.0質量%の脂肪酸アミン塩; を含有する潤滑剤組成物を提供する。本発明の潤滑剤組成物は、高真空又は超高真空下或いは高温下でも良好に使用でき、錆止め性にも優れる。
Abstract translation:公开了一种润滑剂组合物,其含有:(A)具有下述表达式1或2表示的阴离子的离子液体; (Rf1-SO2)(Rf2-SO2)N表达式1(Rf3)(Rf3)(Rf3)PF3-表达式2(表达式1中,Rf1和Rf2可以相同或不同,表示F,CF3,C2F5,C3F7 或C 4 F 9,在表达式2中,Rf 3可以相同或不同,表示CF 3,C 2 F 5,C 3 F 7或C 4 F 9)和(B)0.1-5.0质量%的脂肪酸胺盐。 所公开的润滑剂组合物能够在高或超高真空或高温下使用,并且具有优异的防锈性能。
Abstract:
A magnetic recording medium and method for forming the magnetic recording medium are described. The magnetic recording medium includes a magnetic layer formed on a non-magnetic support, and a lubricant layer over the magnetic layer. The lubricant layer includes a compound selected from the group consisting of hydrocarbyl-substituted cyclopentanes, hydrocarbyl-substituted cyclopentenes, hydrocarbyl-substituted cyclopentadienes, and mixtures or derivatives thereof. The lubricant layer also may be used on a magnetic head for reading and writing information on a magnetic recording medium. The magnetic recording medium and the magnetic head may be used to manufacture computer disk drives, compact disk drives, audio equipment, and video equipment.
Abstract:
Provided is a lubricant base stock, a lubricating oil including the lubricant base stock and a method for improving viscosity temperature performance or viscosity index of an engine or other mechanical component lubricated with the lubricating oil. The lubricant base stock includes one or more liquid crystals represented by the formula: R1 - (A) m - Y - (B) n - R2 wherein R1 and R2 are the same or different and are a substituted or unsubstituted, alkyl or alkoxy group having from 0 to 24 carbon atoms; A and B are the same or different and are a cycloaliphatic group or aromatic group, provided at least one of A and B is an aromatic group; Y is a covalent bond, -CH2-CH2-, -CH=CH-, -C≡C-, -OCOO-, -COO-, -CO-, -CSO-, -CSS-, -CS-, -O-, -S-, -SO-, -SO2-, -CH2O-, -OCH2O-, -NO-, -ONO2, -COOH, -OH, or -C≡N; and m and n are independently 0, 1, 2 or 3. The lubricant base stock has a kinematic viscosity of 2 cSt to 28 cSt at 40°C, and 1 cSt to 12 cSt at 100°C.
Abstract:
A composition for enhanced heat transfer fluid performance. The composition includes at least one base heat transfer fluid. The at least one base heat transfer fluid undergoes one or more phase changes in a heat transfer process. The heat transfer process includes a heated zone and/or a cooled zone. The one or more phase changes increase heat removal from the heated zone and/or increase heat rejection in the cooled zone, as compared to heat removal from a heated zone and/or heat rejection in a cooled zone of a heat transfer process having a base heat transfer fluid that does not undergo one or more phase changes. The base heat transfer fluids can exhibit liquid crystal behavior (e.g., heat transfer fluids having nematic, smectic or discotic liquid crystals). A method for conducting heat transfer in a heating and/or cooling system using the compositions comprising the base heat transfer fluids.
Abstract:
A water based dispersion that includes lubricating nanoparticles. The lubricating nanoparticles can be provided by at least one intercalation nanoparticle of a metal chalcogenide in dispersion with the water base. The at least one intercalation nanoparticle may have a geometry that is fullerene-like, tubular-like structure or be substantially spherical or the intercalation nanoparticles may include particles have each of the aforementioned geometries. The intercalation nanoparticle is surface treated with a dispersant that is water soluble and includes a polar functional group.