BIODEGRADABLE LUBRICATING COMPOSITION AND USE THEREOF IN A DRILLING FLUID, IN PARTICULAR FOR VERY DEEP RESERVOIRS

Method for reducing the viscosity of viscous fluids.

Biodegradable lubricating composition and use thereof in a drilling fluid, in particular for very deep reservoirs.

Biodegradable lubricating composition and use thereof in a drilling fluid, in particular for very deep reservoirs.

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

CAMP WITH ANODIC NANO-PARTICLE LUBRICANT

MIXTURE, CONTAINING BASIC OILS OF THE GROUP OF III AND THE GROUP OF IV

AS LUBRICANT AND FUEL ADDITIVES APTITUDE DITHIOCARBAMATDERIVATE

USE OF GRAFT-MODIFIED COPOLYMERS FROM ETHYLS AND/OR PROPYLENE AND VINYLESTERN AS BIFUNCTIONAL ONES LUBRICATIONABLE AND COLD-RESISTANT ADDITIVES FOR LIQUID HYDROCARBONS

CHAIN SAW FLUID COMPOSITION

USE OF A LUBRICANT COMPOSITION OF A LUBRICANT COMPOSITION OF A LUBRICANT COMPOSITION FOR COMBUSTION ENGINE, CONTAINING DISPERSING AGENT ADDITIVE AND POLIMER DISPERSING EFFECTS OF VISCOSITY INDEX-BETTER FOR THE IMPROVEMENT OF THE WEAR CHARACTERISTICS

UNIVERSAL SYNTHETIC LUBRICANT, PROCEDURE AND PRODUCT BY PROCESS FOR SUBSTITUTION OF THE LOST SULFUR LUBRICATION WHEN USING SULFUR ARMS DIESEL FUELS

LUBRICATING OIL COMPOSITIONS

OIL COMPOSITION FOR NATURAL COOLING AGENT

USE FROM POLYOLE ESTERS TO THE ENERGY CONSERVATION IN POWER TRANSMISSION FLUID

PROCEDURE FOR LUBRICATING A DRIVE OF MEANS LUBRICANT CONTAINING OLEFIN COPOLYMERS AND ACRYLATE COPOLYMERS

DRIVING POWER TRANSMISSION SYSTEM AND LUBRICANT COMPOSITION FOR IT

LUBRICANT COMPOSITION FOR TRANSMISSIONS

LUBRICANT COMPOSITIONS FOR MARINE DIESEL ENGINES

PROCEDURES FOR THE PRODUCTION OF A HEAVY ONE AND AN EASY ONE LUBRICATE L-GRUND LS

POLYISOBUTENE AND POLYISOBUTENDERIVATE FOR LUBRICANT COMPOSITIONS

PROCEDURE FOR THE PRODUCTION OF A WAXLIKE RAFFINATE

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

Use of lubricants on the basis of water-soluble, high-viscosity Polyethylene Glycols

The present invention relates to the use of lubricants on the basis of water-soluble, high-viscosity polyethylene glycols for lubricating open gearing, which is for example used in rotary kilns and mills.

Polysiloxane hydraulic fluids

The present disclosure relates to polysiloxanes, processes for preparing polysiloxanes, and hydraulic fluids comprising polysiloxanes. This disclosure also relates to hydraulic fluids comprising one or more polysiloxane compounds and diphosphonate compounds, and to the use of diphosphonate compounds in hydraulic fluids or as additives or components in various compositions, for example to provide fire retardant properties to a fluid or composition. This disclosure also relates to use of the compositions as hydraulic fluids, which may be used in various machines, vehicles and craft, including aircraft.

Pour point depressants for improving the low-temperature viscosity of aged lubricating oil

The present invention relates to compositions for use as lubricating oil additives. The additive compositions comprise a mixture of alkyl (meth)acrylate copolymers, having distinct monomeric compositions. The additive compositions disclosed herein can be used to improve the low-temperature pumpability of aged lubricating oil, particularly diesel engine oil aged in the presence of biodiesel.

Use of polymeric additives for paraffin-containing fluids

The present invention is concerned with the use of polymeric additives for paraffin-containing fluids as pour point depressants and low temperature flow improvers, wherein the polymers comprise styrene and maleic acid dialkyl ester building blocks.

Acid-free quaternised nitrogen compounds and use thereof as additives in fuels and lubricants

Abstract The invention relates to novel acid-free quaternised nitrogen compounds and to the production and use thereof as fuel and lubricant additives, such as in particular as detergent additives, as wax anti-settling additives (WASA) or as additives for reducing internal diesel injector deposits (IDID). The invention further relates to additive packages containing said compounds and to fuels and lubricants containing said additives. The invention additionally relates to the use of said acid-free quaternised nitrogen compounds as fuel additives for reducing or preventing deposits in the injection systems of direct-injection diesel engines, in particular in common rail injection systems, for reducing the fuel consumption of direct injection diesel engines, in particular of diesel engines having common rail injection systems and for minimising the power loss in direct-injection diesel engines, in particular in diesel engines having common rail injection systems.

HIGH THROUGHPUT SCREENING METHODS FOR LUBRICATING OIL COMPOSITIONS

A method for determining storage stability for a plurality of fluid lubricant samples of different compositions is provided. Each sample includes one or more lubricating oil additives, or a combination of one or more lubricant base oils and one or more lubricating oil additives. The methods can advantageously be optimized using combinatorial chemistry, in which a database of combinations of lubricating oil additives or lubricating oil compositions containing such additives are generated. As market conditions vary and/or product requirements or customer specifications change, conditions suitable for forming desired products can be identified with little or no downtime.

LUBRICATING OIL COMPOSITIONS

Lubricating oil compositions having a sulfated ash content of no more than 1.0 mass %, which contain a major amount of oil of lubricating viscosity, a minor amount of calcium salicylate detergent, an amount of a magnesium-based detergent providing at least 200 ppm of magnesium, and a basic, low molecular weight, nitrogen- containing dispersant, which compositions provide improved top ring wear protection in internal combustion engines.

HIGH PERFORMANCE PHOSPHATE ESTER HYDRAULIC FLUID

This application discloses a high performance hydraulic fluid suitable for use as an aircraft hydraulic fluid comprising a major amount of tri(n- butyl)phosphate, a minor amount of a triaryl phosphate and optionally a minor amount of tri(isobutyl)phosphate. The compositions of this invention provide superior performance with respect to flash and fire points as well as extended useful fluid life in service. Such properties are highly valuable as hydraulic fluids modern jet aircrafts.

LUBRICATING FLUIDS WITH LOW TRACTION CHARACTERISTICS

GEAR OIL COMPOSITION

The gear oil composition comprises a base oil (A) and another base oil (B), described, below, and at least one species of additive for gear oil, and has a kinematic viscosity of 80 mm2/s or less at 40~C: (A): a mineral based oil and/or hydrocarbon-based synthetic oil having a kinematic viscosity of 3.5 to 7 mm2/s at 100~C, and (B): a mineral-based oil and/or hydrocarbon-based synthetic oil having a kinematic viscosity of 20 to 52 mm2/s at 100~C.

LUBRICATING FLUIDS WITH LOW TRACTION CHARACTERISTICS

The invention relates to lubricating fluids and oil formulations which provide exceptionally low traction, a method of lowering traction coefficients in lubricating compositions, and to uses of such compositions.

TWO-CYCLE LUBRICATING OIL

... ▓▓▓▓ There is disclosed a two cycle oil comprising a VI improver, solvent and▓polyisobutylene which has a Brookfield viscosity of less than 17,000 cP at -▓40.degree.C and a▓ KV of at least 6.5 mm2/s at 100.degree.C.▓ ...

HIGH VISCOSITY SYNTHETIC ESTER LUBRICANT BASE STOCK BLENDS

Cross blends of synthetic ester base stocks are produced from high viscosity synthetic ester base stocks having a viscosity from about iso 120 to 140 and conventional synthetic ester base stocks of varying viscosities to form base stocks having viscosities from about iso 68 to iso 220. Lubricants formed from the cross blends have sufficient miscibility with HFC refrigeration fluids with minimal use of i-C9 carboxylic acids to form the ester.

BASE OIL COMPOSITION

Lubrication base oil composition comprising at least 95 wt % saturates, of which saturates fraction between 19 and 30 wt % are cyclo-paraffins and the remainder being n-and iso-paraffins, said composition having a viscosity index of above 120 and a pour point of below -15 ~C.

LUBRICATING OIL COMPOSITION

Use of an oil-soluble hydrocarbyl phenol aldehyde condensate as a rust inhibitor in a lubricating oil composition having a sulfated ash content of less than 1.0 % by weight of the composition, of an ashless, the oil-soluble hydrocarbyl phenol aldehyde condensate having the following structure, wherein n is 0 to 10, Y is a divalent bridging group, and is preferably a hydrocarbyl group, preferably having from 1 to 4 carbon atoms; and R is a hydrocarbyl group having from 4 to 30 carbon atoms.

LONG LIFE LUBRICATING OIL COMPOSITION USING PARTICULAR ANTIOXIDANT COMPONENTS

A natural gas engine oil composition with enhanced resistance to oxidation, nitration and viscosity increase comprising: an oil basestock; neutral and overbased metallic detergents; an antioxidant comprising an alkylthiocarbamoyl compound or a mixture of an aklylthiocarbamoyl compound and an ashless, non- sulfur containing, hindered phenol; and a zinc dihydrocarbyl dithiophosphate in an amount sufficient to provide the composition with from 250 to 450 wppm phosphorus.

HIGH VISCOSITY INDEX WIDE-TEMPERATURE FUNCTIONAL FLUID COMPOSITIONS AND METHOD FOR THEIR MAKING AND USE

This invention relates to lubricants comprising base stocks and base oils that exhibit an unexpected combination of high viscosity index (130 or greater) and a ratio of measured-to-theoretical high-shear/low-temperature viscosity and - 30~C or lower and the methods of making them. Specifically, the present invention relates to novel high viscosity index, low-viscosity lubricants usable as wide-temperature lubricants, for example hyrdraulic oils, comprising novel low-viscosity base stocks, with improved performance in low-temperature viscosity, and methods to produce them.

AIRCRAFT HYDRAULIC SYSTEM

An aircraft hydraulic system utilizes a hydraulic fluid that includes a heat transfer fluid and a friction modifier additive.

ENGINE OIL COMPOSITION

The problem to be solved by the present invention is to provide a fuel-saving-type engine oil composition, in which a low-viscosity engine oil is not constrained by a matter that the temperature is high or low, the load is low or high or the like and a good friction-reducing effect can be exhibited. The present invention is an engine oil composition characterized by containing: an engine oil which has a low-temperature viscosity of 0 to 10 in terms of an SAE viscosity grade and a high-temperature viscosity of 4 to 20 in terms of an SAE viscosity grade; and a molybdenum compound (A) represented by general formula (1) (wherein R1 to R4 independently represent a hydrocarbon group having 4 to 18 carbon atoms, wherein all of R1 to R4 do not represent the same group, and R3 and R4 do not represent the same group when R1 and R2 represent the same group; and X1 to X4 independently represent a sulfur atom or an oxygen atom).

FUNCTIONAL POLYALKYL (METH)ACRYLATES WITH ENHANCED DEMULSIBILITY PERFORMANCE

The present invention is directed to new polyalkyl(meth)acrylate (PAMA) polymers comprising a certain amount of hydroxyl-functionalized alkyl (meth)acrylates, lubricating oil compositions comprising these polymers and their use for improving the demulsibility performance of high VI lubricating oil compositions which are based on apolar base oils, especially hydraulic fluid compositions.

PHOSPHORUS SALTS OF NITROGEN CONTAINING COPOLYMERS AND LUBRICANTS CONTAINING THE SAME

This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity and a minor amount of a salt of at least one nitrogen containing polyacrylate and at least one phosphorus acid ester. The invention also relates to lubricating compositions and concentrates containing the same. The present phosphorus salts of the nitrogen containing copolymers provide improved dispersant, viscosity improver and antiwear properties to lubricating compositions.

METHOD FOR REDUCING THE VISCOSITY OF VISCOUS FLUIDS

... ²²²A viscous fluid, such as heavy crude oil which is too viscous to enable it to ²be pumped from a flowing phase of a reservoir into and along a pipeline for ²delivery to a refinery or other storage facility, may be contacted with a ²formulation to reduce its viscosity. The formulation comprises a polymeric ²material AA which includes -O- moieties pendent from a polymeric backbone ²thereof and said material is optionally cross-linked. In one embodiment, the ²formulation may comprise polyvinyl alcohol. In an alternative embodiment, the ²formulation may comprise a cross-linked polymeric material, such as cross-²linked polyvinyl alcohol. After the viscous composition has been transported ²to a desired location, it may be separated from the other components.² ...

NITROGEN-CONTAINING ACRYLATE GRAFT COPOLYMERS FOR WEAR REDUCTION

... ²²²The invention relates to the use of graft polymers obtained by polymerization ²in two stages. In a first stage, at least one graft basis is produced by ²radically polymerizing a monomer composition A) containing 0 to 40 percent by ²weight of one or several ethylenically unsaturated ester compounds of formula ²(I), wherein R represents hydrogen or methyl, R1 represents a linear or ²branched alkyl radical comprising 1 to 5 carbon atoms, R2 and R3 independently ²represent hydrogen or a group of formula -COOR', wherein R' represents ²hydrogen or an alkyl group comprising 1 to 5 carbon atoms, 60 to 100 percent ²by weight of one or several ethylenically unsaturated ester compounds of ²formula (II), wherein R represents hydrogen or methyl, R4 represents a linear ²or branched alkyl radical comprising 6 to 40 carbon atoms, R5 and R6 ²independently represent hydrogen or a group of formula -COOR", wherein R" ²represents hydrogen or an alkyl group comprising 6 to 40 carbon atoms, and 0 ²to 40 percent ...

LUBRICATING OIL COMPOSITIONS

A heavy duty diesel engine lubricating oil composition comprising, or made by admixing: (A) a major amount of an oil of lubricating viscosity comprising at feast 35 mass % of a Group III basestock, based on the mass of the oil of lubricating viscosity, that contains at most 0.03 mass % of sulfur, based on the mass of the basestock, and that has a viscosity index of 120 or greater and has greater than or equal to 90 mass % saturates, based on the mass of said basestock; and (B) a minor amount of an additive composition comprising : (i) a detergent composition; and (ii) one or more other additives; wherein the oil composition has a cold cranking simulated viscosity, measured according to ASTM D2602, of less than 7000 mPa.s at -25.degree.C and a sulfated ash, measured according to ASTM D874, of less than 1.35 mass %, based on the mass of the oil composition. The oil compositions provide improved piston cleanliness of a heavy duty diesel engine.

STABLE POLYMER DISPERSIONS COMPRISING ESTER AND ETHER COMPOUNDS

The present invention relates to a stable polymer dispersion comprising A) at least one dispersed polyolefin, B) at least one dispersing component, C) at least one ester and D) at least one ether comprising (oligo)oxyalkyl groups, the weight ratio of ester C) to ether D) being in the range from 30:1 to 1:30.

ETHYLENE/.ALPHA.- OLEFIN COPOLYMER FOR USE AS VISCOSITY MODIFIER

A viscosity modifier for lubricating oils or an additive composition for lubricating oils, which is excellent in oil-thickening properties and can provide lubricating oil compositions excellent in low-temperature characteristics and handleability at low temperatures; and lubricating oil compositions excellent in low-temperature characteristics and handleability at low temperatures. The viscosity modifier comprises an ethylene/.alpha.-olefin copolymer (B) which comprises (i) a structural unit derived from ethylene, (ii) a structural unit derived from an .alpha.-olefin having 3 to 19 carbon atoms, and (iii) a structural unit derived from a higher .alpha.-olefin having 4 to 20 carbon atoms whose carbon number is by one or more larger than that of the .alpha.-olefin having the unit (ii) which has the following properties of (1) and (2): (1) the contents of units (i), (ii) and (iii) are 25-49 mol%,15-55 mol%, and 9-40 mol% respectively (with the proviso that the total of the units (i), (ii), ...

A FUNCTIONAL FLUID AND THE USE THEREOF

The present invention concerns a functional fluid comprising A) 1 to 99 % by weight based on the total weight of the functional fluid of alkyl(meth)acrylate polymers obtainable by polymerizing a mixture of olefinically unsaturated monomers, which consists of a) 1-100 wt% based on the total weight of the ethylenically unsaturated monomers of one or more ethylenically unsaturated ester compounds of formula (I) where R is hydrogen or methyl, R1 means a linear or branched alkyl residue with 1-6 carbon atoms, R2 and R3 independently represent hydrogen or a group of the formula -COOR', where R' means hydrogen or a alkyl group with 1-6 carbon atoms, b) 0-99 wt% based on the total weight of the ethylenically unsaturated monomers of one or more ethylenically unsaturated ester compounds of formula (II) where R is hydrogen or methyl, R4 means a linear or branched alkyl residue with 7-40 carbon atoms, R5 and R6 independently are hydrogen or a group of the formula - COOR", where R" means hydrogen or ...

SYNTHETIC ESTERS DERIVED FROM HIGH STABILITY OLEIC ACID

The present invention is directed to a composition comprising a synthetic ester having a fatty acid mixture including: oleic acid in amount of at least about 85 wt% of the fatty acid mixture; linoleic acid in an amount of about 3 wt% of the fatty acid mixture or less; and linolenic acid in an amount of about 0.5 wt% of the fatty acid mixture or less.

LUBRICANT COMPOSITION

L'invention a pour objet une composition lubrifiante comprenant : (a) au moins une huile de base synthétique et optionnellement au moins un additif et (b) des nanotubes de carbone, ladite composition ayant un pourcentage massique en nanotubes de carbone (b) par rapport à la quantité totale d'huiles de base (a) de la composition, compris entre 0,15 et 3,50%, le rapport entre ledit pourcentage massique en nanotubes de carbone, et la densité apparente de fa poudre de nanotubes de carbone, exprimée en g/1 et mesurée selon la norme ISO60-ASTM D1895 étant supérieur à 102. Utilisation pour la lubrification de moteurs à combustion interne.

DIELECTRIC FLUIDS COMPRISING ESTOLIDE COMPOUNDS AND METHODS OF MAKING AND USING THE SAME

Provided herein are dielectric fluids comprising at least one estolide compound of formula (II); in which n is an integer equal to or greater than 0; m is an integer equal to or greater than 1; R1, independently for each occurrence, is selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; R2 is selected from hydrogen and optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; and R3 and R4, independently for each occurrence, are selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched. Also provided herein are uses of dielectric fluids and electrical devices such as transformers that comprise a dielectric fluid comprising at least one estolide compound.

LUBRICATING OIL COMPOSITIONS

Lubricating oil compositions for residual fuel oil-fuelled diesel engines for marine and stationary applications comprising, or made by admixing: (a) a basestock of lubricating viscosity, in a major amount; and (b) an oil-soluble or oil-dispersible molybdenum compound, in a minor amount; wherein the oil composition has a TBN from 20 to 100 as measured according to ASTM D-2896 and a viscosity at 100.degree.C in the range from 9 to 30 mm2s-1 as measured according to ASTM D-445. The lubricating oil compositions of the present invention demonstrate improved cylinder liner wear performance.

Ester oils.

Gemäss einem ersten Aspekt zeichnet sich ein Esteröl, insbesondere zur Herstellung eines Hydrauliköls und/oder eines Schmierstoffs, enthaltend ein Veresterungsprodukt aus wenigstens einem Monoalkohol mit wenigstens einer Mehrfachcarbonsäure, dadurch aus, dass der Monoalkohol und/oder die Mehrfachcarbonsäure aus nachwachsenden Rohstoffen stammt. Entsprechend einem zweiten Aspekt zeichnet sich ein Esteröl, insbesondere zur Herstellung eines Hydrauliköls und/oder eines Schmierstoffs, enthaltend ein Veresterungsprodukt aus wenigstens einer Monocarbonsäure mit wenigstens einem Dialkohol, dadurch aus, dass der Dialkohol und/oder die Monocarbonsäure aus nachwachsenden Rohstoffen stammt.

Rope lubricant.

Ein Trockenschmiermittel (50) für flexible Zugorgane (10), insbesondere Drahtseile und/oder Litzenseile für statische und/oder dynamische Lasten, zeichnet sich dadurch aus, dass ein Hauptanteil des Trockenschmiermittels (50) aus einem Polymermaterial besteht. Des Weiteren wird bei einem Verfahren zur Herstellung eines flexiblen Zugorgans aus mehreren zugfesten Elementen (1.1, 1.2, ...1.7), insbesondere Drähte und/oder Litzen und/oder Strängen, vor einem Zusammenfügen der zugfesten Elemente (1.1, 1.2, ... 1.7) ein Trockenschmiermittel (50) auf die zugfesten Elemente aufgebracht, wobei das Trockenschmiermittel (50) in einem fluiden Zustand auf die zugfesten Elemente (1.1, 1.2, ... 1.7) aufgesprüht wird.

Ester oils.

Gemäss einem ersten Aspekt zeichnet sich ein Esteröl, insbesondere zur Herstellung eines Hydrauliköls und/oder eines Schmierstoffs, enthaltend ein Veresterungsprodukt aus wenigstens einem Monoalkohol mit wenigstens einer Mehrfachcarbonsäure, dadurch aus, dass der Monoalkohol und/oder die Mehrfachcarbonsäure aus nachwachsenden Rohstoffen stammt. Entsprechend einem zweiten Aspekt zeichnet sich ein Esteröl, insbesondere zur Herstellung eines Hydrauliköls und/oder eines Schmierstoffs, enthaltend ein Veresterungsprodukt aus wenigstens einer Monocarbonsäure mit wenigstens einem Dialkohol, dadurch aus, dass der Dialkohol und/oder die Monocarbonsäure aus nachwachsenden Rohstoffen stammt.

LUBRICATING COMPOSITION AND ITS APPLICATION

SYSTEM REFRACTORY BINDER

НИЗКОМОЛЕКУЛЯРНЫЕ (МЕТ)АКРИЛОВЫЕ ПОЛИМЕРЫ, НЕ СОДЕРЖАЩИЕ СОЕДИНЕНИЙ СЕРЫ, МЕТАЛЛОВ И ГАЛОГЕНОВ, С НИЗКОЙ ДОЛЕЙ ОСТАТОЧНЫХ МОНОМЕРОВ, СПОСОБ ИХ ПОЛУЧЕНИЯ И ИХ ПРИМЕНЕНИЕ

Объектом изобретения являются (мет)акриловые полимеры с линейной или разветвленной жирной цепью С8 или более, которая может содержать по меньшей мере одну этиленовую ненасыщенность, со средневесовой молекулярной массой (формула (I)) ниже 20000 г/моль, свободные от соединений серы, металлов и галогенов, у которых доля остаточных мономеров, измеренная по ГПХ, меньше или равна 10 мас.%, предпочтительно меньше или равна 7 мас.%. Объектом изобретения являются также их синтез и применение.

БИФУНКЦИОНАЛЬНЫЕ ДОБАВКИ ДЛЯ ЖИДКИХ УГЛЕВОДОРОДОВ, ПОЛУЧЕННЫЕ ПРИВИВКОЙ СОПОЛИМЕРОВ ЭТИЛЕНА И/ИЛИ ПРОПИЛЕНА И ВИНИЛОВЫХ ЭФИРОВ

Изобретение относится к синтезу и применению сополимеров на основе этилена и/или пропилена и сложного винилового эфира (эфиров), модифицированных прививкой, эффективных для улучшения одновременно холодостойкости и смазочных свойств жидких углеводородов, в частности средних дистиллятов, поступающих с перегонки нефти и сырой нефти, в частности нефти с низким содержанием серы, и относится к сополимеру, содержащему: а) звенья этилена формулы А: -(СН2-СН2)n1- и/или пропилена формулы А': -((СН3)CH2-CH2)n2, с n1+n2=n, варьирующимся от 98 до 643, предпочтительно от 124 до 515; причем n1 предпочтительно равно n; b) звенья формулы В: -(CH2-CHOOCR1)m-x-, в которой R1 означает линейную или разветвленную алкильную группу C1-C15, предпочтительно метил, пропил, и/или разветвленную алкильную группу C5-C15, в которой разветвление находится в любом месте алкильного радикала, предпочтительно в положении 2 или 3 алкильной цепи; предпочтительно выбранные из предпочтительных винильных сомономеров C5-C15, предпочтительно ...

СПОСОБ ПОДГОТОВКИ МЕТАЛЛИЧЕСКИХ ДЕТАЛЕЙ К ХОЛОДНОЙ ОБРАБОТКЕ ДАВЛЕНИЕМ

Изобретение относится к способу подготовки металлических деталей к холодной обработке давлением путем нанесения смазочного слоя (покрытия) или на металлическую поверхность, или на металлическую поверхность с предварительно нанесенным покрытием, причем смазочный слой получают путем введения поверхности в контакт с водной смазочной композицией, которая содержит как минимум два разных по свойствам воска, органический полимерный материал, причем в качестве органического полимерного материала используют олигомеры, соолигомеры, полимеры и/или сополимеры на основе иономера, акриловой/метакриловой кислоты, эпоксида, этилена, полиамида, пропилена, стирола, их эстеров или/и их соли/солей, а также водосодержащий и/или связывающий воду оксид и/или силикат.

СПОСОБ ПОЛУЧЕНИЯ СМАЗОЧНОГО МАСЛА И ГАЗОЙЛЯ

... 1. Способ получения смазочного базового масла и газойля, включающий (a) гидрокрекинг/гидроизомеризацию продукта реакции Фишера-Тропша, в котором весовое соотношение между количеством соединений, содержащих по меньшей мере 60 или более углеродных атомов, и количеством соединений, содержащих по меньшей мере 30 углеродных атомов, составляет по меньшей мере 0,4 и в котором по меньшей мере 30 мас.% соединений в продукте Фишера-Тропша содержат по меньшей мере 30 углеродных атомов, (b) разделение продукта со стадии (a) на одну или более газойлевых фракций, фракцию-предшественницу базового масла и высококипящую фракцию, и (c) проведение стадии, обеспечивающей понижение температуры текучести посредством каталитической депарафинизации стадии-предшественницы базового масла, полученной на стадии (b). 2. Способ по п.1, в котором по меньшей мере 50 мас.% соединений в продукте реакции Фишера-Тропша содержат по меньшей мере 30 углеродных атомов. 3. Способ по пп.1, 2, в котором конверсия на стадии (a) составляет ...

СПОСОБ ПОЛУЧЕНИЯ СРЕДНИХ ДИСТИЛЛЯТОВ

Изобретение относится к способу получения одного или более углеводородных топливных продуктов с температурой кипения в интервале кипения керосиновой/дизельной фракции из потока углеводородов, полученных в процессе Фишера-Тропша, в котором синтез-газ превращают в жидкие углеводороды, по меньшей мере часть которых кипит выше интервала кипения керосиновой/дизельной фракции, включающему следующие стадии: (1) гидрокрекинг/гидроизомеризацию по меньшей мере части потока углеводородов процесса Фишера-Тропша при конверсии за проход материала, кипящего выше 370°С, в материал, кипящий ниже 370°С, до 80 мас.%, (2) разделение потока продукта, полученного на стадии (1), на одну или более легких фракций, имеющих температуру кипения ниже интервала кипения керосиновой/дизельной фракции, одну или более фракций, имеющих температуру кипения в интервале кипения керосиновой/дизельной фракции, и тяжелую фракцию, имеющую температуру кипения выше интервала кипения керосиновой/дизельной фракции, (3) гидрокрекинг ...

OF FUEL AND OIL AND ITS USE

BASE OIL COMPOSITION AND USE THEREOF

LUBRICATING COMPOSITIONS COMPRISING THERMOASSOCIATIVE AND EXCHANGEABLE COPOLYMERS

СПОСОБ И СИСТЕМА ДЛЯ УЛУЧШЕНИЯ ПРОИЗВОДИТЕЛЬНОСТИ ИЛИ ЭФФЕКТИВНОСТИ СКВАЖИННОГО НАСОСА

Изобретение относится к нефтяной скважине, включающей в себя ствол скважины (2) ниже уровня земли (4), идущий к нефтяному пласту (6). Ствол скважины включает в себя крепление (8) обсадными трубами, внутри которого расположен эксцентриковый винтовой насос (10), имеющий впускное отверстие (12) в нижнем конце и своим верхним концом присоединенный к насосно-компрессорной трубе (14). Кольцевое пространство (16) определяется между насосом (10)/трубой (14) и креплением (8). Кольцевое пространство сообщается с пластом и включает в себя напор (20) пластового флюида. Композиция на водной основе, содержащая необязательно сшитый поливиниловый спирт, может заливаться в кольцевое пространство (16) и перемещаться под действием силы тяжести в пласт (6) непосредственно перед впускным отверстием (12). Композиция может улучшать производительность и эффективность насоса (10) благодаря своей способности увеличивать подвижность нефти в пласте непосредственно перед насосом (10) и/или повышать способность нефти ...

METHOD OF PRODUCING LUBRICATING OIL AND GAS OIL

METHOD OF PRODUCING LUBRICATING OIL AND GAS OIL

COMPOSITION FOR PROTECTION FROM SCALE AND AS LUBRICANT IN HOT TREATMENT OF METALS

LUBRICATING OIL ADDITIVES

Method for producing a stable boric solution

Lubricating compositions

Viscosity index improver, lubricating oil and an additive for a lubricating oil composition

Oligomerization Of Alpha Olefins Using Metallocene-ssa Catalyst Systems And Use Of The Resultant Polyalphaolefins To Prepare Lubricant Blends

This disclosure provides for alpha olefin oligomers and polyalphaolefins (or PAOs) and methods of making the alpha olefin oligomers and PAOs. This disclosure encompasses metallocene- based alpha olefin oligomerization catalyst systems, including those that include at least one metallocene and an activator comprising a solid oxide chemically-treated with an electron withdrawing anion. The alpha olefin oligomers and PAOs prepared with these catalyst systems can have a high viscosity index combined with a low pour point, making them particularly useful in lubricant compositions and as viscosity modifiers.

LUBRICATING COMPOSITIONS CONTAINING THE REACTION PRODUCT OF AN AROMATIC AMINE AND A CARBOXYLIC FUNCTIONALISED POLYMER AND DISPERSANT

Low molecular weight (meth) acrylic polymers free of sulphur-containing, metallic and halogenated compounds and with a low degree of residual monomers, process for the preparation thereof and uses thereof

Engine lubricant composition

The present invention relates to lubricant compositions comprising: (a) one or more polyalkylene glycol base oils obtained by polymerization or copolymerization of alkylene oxides comprising from 3 to 8 carbon atoms, including at least one butylene oxide and (b) at least one detergent chosen from salicylates or phenates. The present invention also relates to the use of a lubricant composition according to the invention as engine oil, preferably as oil for the engines of petrol or diesel motor vehicles. The present invention also relates to the use of a group of additives for an engine lubricant comprising polyalkylene glycol bases obtained by polymerization or copolymerization of alkylene oxides comprising from 3 to 8 carbon atoms. The present invention also relates to the use of at least one additive chosen from salicylates, phenates, dithiocarbamates, amine-based or phenol-based antioxidants, preferably from salicylates or phenates, for reducing the Noack volatility of the base oils of ...

Method of simultaneously manufacturing high quality naphthenic base oil and heavy base oil

Disclosed is a method of simultaneously manufacturing high quality naphthenic base oil and heavy base oil using a single catalyst system, by subjecting an oil fraction (slurry oil or light cycle oil) produced by fluid catalytic cracking and an oil fraction (deasphalted oil) produced by solvent deasphalting to hydrotreating, catalytic dewaxing and hydrofinishing of the single catalyst system, thereby obtaining not only products having low viscosity but also heavy base oil products (150BS) having high viscosity which was impossible to obtain using a conventional catalytic reaction process, and also thereby producing base oil products having different properties using the single catalyst system, thus generating economic benefits and exhibiting superior efficiency.

Process for making a two-cycle gasoline engine lubricant

A process to prepare a lubricating oil meeting JASO M345:2003 requirements, comprising: hydroisomerization dewaxing a feed to produce a base oil and blending the base oil with less than 5 wt% solvent and a detergent/dispersant additive package. A process for making lubricating oil, comprising blending together a pour point reduced base oil blend with a detergent/dispersant additive package, a smoke-suppression agent, optionally a pour point depressant, and optionally less than about 5 wt% hydrocarbon solvent, whereby a two-cycle gasoline engine lubricant is produced. A process to make a two-cycle gasoline engine lubricant, comprising preparing a pour point reducing blend component by isomerizing a feed, blending it with a light distillate base oil to produce a pour point reduced base oil blend, and blending the pour point reduced base oil blend with a detergent/dispersant additive package and less than 5 wt% solvent. A lubricating oil made by the process described herein.

Star polymer and lubricating composition thereof

The present invention relates to a lubricating composition containing an oil of lubricating viscosity and a star polymer that has at least two inner blocks, at least one of which is in turn bonded to one or more outer blocks. The invention further relates to methods of lubricating a mechanical device with the lubricating composition.

Lubricating oil compositions

Lubricating composition containing a polymer

BASE STOCKS AND LUBRICANT COMPOSITIONS CONTAINING SAME

For marine engine lubricant

LUBRICATING OIL COMPOSITONS

Disclosed is a natural gas engine lubricating oil composition which comprises: (a) a major amount of an oil of lubricating viscosity having a kinematic, (b) greater than about 2 wt. % but less than about 4 wt. %, based on the total weight of the natural gas engine lubricating oil composition, of one or more phenolic antioxidants, (c) about 0.1 to about 1 wt. %, based on the total weight of the natural gas engine lubricating oil composition, of one or more aminic antioxidants, (d) one or more metal dithiophosphates, and (e) one or more alkali metal or alkali earth metal phenate detergents having a TBN of about 150 to about 250 on an oil free basis, wherein the one or more alkali metal or alkali earth metal phenate detergents provide at least about 0.10 wt. % of alkali metal or alkali earth metal to the natural gas engine lubricating oil composition. 1. A natural gas engine lubricating oil composition comprising:(a) a major amount of an oil of lubricating viscosity,(b) greater than about 2 wt. % but less than about 4 wt. %, based on the total weight of the natural gas engine lubricating oil composition, of one or more phenolic antioxidants,(c) about 0.1 wt. % to about 1 wt. %, based on the total weight of the natural gas engine lubricating oil composition, of one or more aminic antioxidants,(d) one or more metal dithiophosphates,(e) one or more alkali metal or alkali earth metal phenate detergents having a total base number (TBN) of about 150 to about 250 on an oil free basis, wherein the one or more alkali metal or alkali earth metal phenate detergents provide at least about 0.10 wt. % of alkali metal or alkali earth metal to the natural gas engine lubricating oil composition,2. The natural gas engine lubricating oil composition of claim 1 , having a TBN of about 5 to about 8 as determined by ASTM D 2896.3. The natural gas engine lubricating oil composition of claim 1 , having a TBN of about 6 to about 7 as determined by ASTM D 2896.4. The natural gas engine ...

LUBRICANT ADDITIVE AND PROCESS FOR MANUFACTURING THE SAME

It is an object of this invention to provide a lubricant additive applicable integrally to all of different types of lubricants for various applications. A lubricant additive adapted to be blended to a lubricating oil, which is characterized by comprising a synthesized base oil of the polyolester type, the content of which to be contained in the lubricant additive is in a range of from 30.0 w/w % to 60.0 w/w %, calcium sulfonate containing calcium carbonate formed in the calcite crystal structure, the content of which to be contained in the lubricant additive is in a range of from 5.0 w/w % to 30.0 w/w %, a poly-alpha-olefin oligomer, an anti-oxidant of the zinc dithiophosphate type, succinimide, an extreme pressure agent of the thiadiazole type and an anti-oxidant of the phenol type, is provided. 1. A lubricant additive adapted to be blended to a lubricating oil , characterized in that the lubricant additive comprising:a synthesized base oil of the polyester type,calcium sulfonate containing calcium carbonate formed in the calcite crystal structure,a poly-alpha-olefin oligomer, an anti-oxidant of the zinc dithiophosphate type, succinimide, an extreme pressure agent of the thiadiazole type and an anti-oxidant of the phenol type.2. A lubricant additive of characterized in that:the content of the synthesized base oil of the polyolester type to be contained in the lubricant additive is in a range of from 35.0 w/w % to 60.0 w/w %, andthe content of the calcium sulfonate to be contained in the lubricant additive is in a range of from 5.0 w/w % to 30.0 w/w %.3. A lubricant additive of characterized in that the synthesized base oil of the polyolester type comprises normal saturated fatty acids comprising 8 to 18 carbon atoms.4. A lubricant additive of characterized in that the synthesized base oil of the polyolester type comprises decanoic acid claim 1 , mixed esters with hexanoic acid claim 1 , octanoic acid and trimethylolpropane.5. A lubricant additive of characterized ...

PROCESS FOR PREPARING A BASE OIL HAVING A REDUCED CLOUD POINT

The present invention relates to a process for preparing a residual base oil from a hydrocarbon feed which is derived from a Fischer-Tropsch process, the process comprises the steps of: (a) providing a hydrocarbon feed which is derived from a Fischer-Tropsch process; (b) subjecting the hydrocarbon feed of step (a) to a hydrocracking/hydroisomerisation step to obtain an at least partially isomerised product; (c) separating at least part of the at least partially isomerised product as obtained in step (b) into one or more lower boiling fractions and a hydrowax residue fraction; (d) catalytic dewaxing of the hydrowax residue fraction of step (c) to obtain a highly isomerised product; (e) separating the highly isomerised product of step (d) into one or more light fractions and a isomerised residual fraction; (f) mixing of the isomerised residual fraction of step (e) with a diluent to obtain a diluted isomerised residual fraction; (g) cooling the diluted isomerised residual fraction of step (f) to a temperature between 0° C. and −60° C.; (i) subjecting the mixture of step (g) to a centrifuging step at a temperature between 0° C. and −60° C. to isolate the wax from the diluted isomerised residual fraction; (j) separating the diluent from the diluted isomerised residual fraction to obtain a residual base oil. 1. A process for preparing a residual base oil from a hydrocarbon feed which is derived from a Fischer-Tropsch process , the process comprising the steps of:(a) providing a hydrocarbon feed which is derived from a Fischer-Tropsch process;(b) subjecting the hydrocarbon feed of step (a) to a hydrocracking/hydroisomerisation step to obtain an at least partially isomerised product;(c) separating at least part of the at least partially isomerised product as obtained in step (b) into one or more lower boiling fractions and a hydrowax residue fraction;(d) catalytic dewaxing of the hydrowax residue fraction of step (c) to obtain a highly isomerised product;(e) separating the ...

RESIDUAL BASE OIL

The present invention relates to a Fischer-Tropsch derived residual base oil having a kinematic viscosity at 100° C. according to ASTM D445 in the range of from 15 to 35 mm/s, an average number of carbon atoms per molecule Fischer-Tropsch derived residual base oil according to C-NMR in a range of from 25 to 50. 1. A Fischer-Tropsch derived residual base oil having a kinematic viscosity at 100° C. in the range of from 15 to 35 mm/s according to ASTM D445 , an average number of carbon atoms per molecule Fischer-Tropsch derived residual base oil according to C-NMR in a range of from 25 to 50.2. The Fischer-Tropsch derived residual base oil according to claim 1 , having an average number of carbon atoms per molecule Fischer-Tropsch derived residual base oil according to C-NMR of from 30 to 45 carbon atoms.3. The Fischer-Tropsch derived residual base oil according to claim 1 , having an average number of carbon atoms per molecule Fischer-Tropsch derived residual base oil according to C-NMR of from 31 to 45 carbon atoms.4. The Fischer-Tropsch derived residual base oil according to claim 1 , having an average number of carbons in the non-branched segment according to C-NMR of less than 14 carbon atoms.5. The Fischer-Tropsch derived residual base oil according to claim 1 , having an average number of branches normalized for a molecule of 50 carbon atoms in according to 13 C-NMR of at least 3.5.6. The Fischer-Tropsch derived residual base oil according to claim 1 , having a T10 wt. % recovery point in the range of from 470 to 590° C. claim 1 , a T50 wt. % recovery point in the range of from 550 to 710° C. claim 1 , a T80 wt. % recovery point of at least 630° C. and a T90 wt. % recovery point of at least 700° C. as measured with ASTM D7169.7. The Fischer-Tropsch derived residual base oil according claim 1 , having a pour point of less than −10 as measured according to ASTM D97.8. The Fischer-Tropsch derived residual base oil according to claim 1 , having a cloud point of ...

LUBRICANT COMPOSITION COMPRISING BRANCHED DIESTERS AND VISCOSITY INDEX IMPROVER

The invention refers to lubricant compositions comprising a specific diester together with a viscosity index improver. 2. Lubricant composition of claim 1 , wherein in the formula (I): n is 1;the total amount of carbon atoms being more than 15 and less than 40.3. Lubricant composition of claim 1 , wherein in the formula (I):R1 represents a linear or branched, saturated or unsaturated C5-C15 a Iky I group;R′ represents a linear or branched, saturated or unsaturated C3-C8 a Iky I group; R represents a linear or branched, saturated or unsaturated C1-C15 alkyl group.4. Lubricant composition according to claim 1 , wherein in the compound of formula (I) claim 1 ,R1 represents a saturated linear C5-C15 alkyl group, more preferably a saturated linear C5-C12 alkyl group; R′ represents a saturated linear C3-C8 alkyl group, more preferably a saturated linear C5-C8 alkyl group;R represents a saturated linear or branched C5-C15 alkyl group, more preferably a saturated linear or branched C5-C10 alkyl group.5. Lubricant composition according to claim 1 , wherein in the formula (I):R1 represents a saturated linear C5-C10 alkyl group, more preferably a saturated linear C5-C8 alkyl group;R′ represents a saturated linear C5-C8 alkyl group;R represents a saturated, linear or branched C5-C10 alkyl group, preferably a saturated linear C5-C10 alkyl group.7. Lubricant composition according to claim 1 , wherein in the formula (I):R1 represents a saturated linear or branched C5-C 5 alkyl group, more preferably a saturated linear C8-C12 alkyl group;R′ represents a saturated linear C5-C8 alkyl group;R represents a saturated, linear or branched C5-C10 alkyi group, preferably a saturated branched C5-C10 alkyl group.9. Lubricant composition according to claim 1 , wherein the viscosity index improver is a polymeric viscosity index improver claim 1 , preferably chosen among: polyacrylates and polymethacrylates claim 1 ,olefin homopolymers or copolymers, preferably ethylene/propylenestyrene ...

HYPER-BRANCHED MACROMOLECULAR ARCHITECTURES AND METHODS OF USE

Disclosed herein are star-shaped macromolecular structures comprising a hyper-branched silicon containing core grafted with a well-defined and controllable number of alkyl (methyl)acrylate (co)polymer arms. The presence of the robust inorganic core provides additional resilience against mechanical degradation and therefore enhanced additive life time. Control over the additive architecture was complemented by tunability of the length of the grafted polymers by making use of controlled radical based polymerization techniques. The performance of these novel inorganic-organic star-shaped hybrids were compared to traditional fully organic lubricant additives. Detailed analysis revealed the multi-functional character of the hybrids by simultaneously performing as bulk viscosity modifiers, boundary lubricant, and wear protectants while being dispersed in a commercially available base oil for automotive lubrication purposes. 1. A composition of matter , comprising:A star-shaped polymer comprising polymer chains grafted to or from a densely cross-linked silicon-containing hyperbranched core, wherein the densely cross-linked silicon-containing hyperbranched core comprises a silicate functionalized with one or more organic groups.2. The composition of matter of claim 1 , wherein the polymer chains each comprise at least one compound selected from an acrylate and a methacrylate.3. The composition of matter of claim 1 , wherein a number of the polymer chains is in a range of 6-12.4. The composition of matter of claim 1 , wherein each polymer chain includes between 25-200 monomer units.5. The composition of matter of claim 1 , wherein each polymer chain is a copolymer.6. The composition of matter of claim 5 , wherein the copolymer comprises a first alkyl acrylate or alkyl methacrylate having a first pendant C8-C18 alkyl chain and a second alkyl acrylate or alkyl methacrylate having a second pendant C1-C4 alkyl chain.7. A lubricant comprising the composition of matter of combined ...

Lubricating engine oil compositions containing detergent compounds

The present disclosure generally relates to a lubricating oil composition comprising an oil of lubricating viscosity, and an alkylhydroxybenzoate detergent compound.

BRANCHED DIESTERS FOR USE TO REDUCE THE FUEL CONSUMPTION OF AN ENGINE

The invention refers to use of lubricant compositions comprising a specific diester and additives to reduce the fuel consumption of an engine. 2. Method according to claim 1 , wherein in the formula (I):n is 1;the total amount of carbon atoms being more than 15 and less than 40.3. Method according according to claim 1 , wherein in the formula (I) claim 1 ,R1 represents a linear or branched, saturated or unsaturated C5-C15 alkyl group;R′ represents a linear or branched, saturated or unsaturated C3-C8 alkyl group; R represents a linear or branched, saturated or unsaturated C1-C15 alkyl group.4. Method according according to claim 1 , wherein in the formula (I) claim 1 ,R1 represents a saturated linear C5-C15 alkyl group, more preferably a saturated linear C5-C12 alkyl group;R′ represents a saturated linear C3-C8 alkyl group, more preferably a saturated linear C5-C8 alkyl group;R represents a saturated linear or branched C5-C15 alkyl group, more preferably a saturated linear or branched C5-C10 alkyl group.5. Method according according to claim 1 , wherein in the formula (I) claim 1 ,R1 represents a saturated linear C5-C10 alkyl group, more preferably a saturated linear C5-C8 alkyl group;R′ represents a saturated linear C5-C8 alkyl group;R represents a saturated, linear or branched C5-C10 alkyl group, preferably a saturated linear C5-C10 alkyl group.7. Method according to claim 1 , wherein in the formula (I):R1 represents a saturated linear or branched C5-C15 alkyl group, more preferably a saturated linear C8-C12 alkyl group;R′ represents a saturated linear C5-C8 alkyl group;R represents a saturated, linear or branched C5-C10 alkyl group, preferably a saturated branched C5-C10 alkyl group.9. Method according to claim 1 , wherein the lubricant composition comprises from 0.1 to 50% claim 1 , preferably from 1 to 50% claim 1 , more preferably from 5 to 30% by weight based on the total weight of lubricant composition claim 1 , of a compound of formula (I).10. Method ...

REFRIGERATION OIL, AND COMPOSITION FOR USE IN REFRIGERATING MACHINE

A refrigerator oil according to one embodiment of the present invention contains: a base oil containing an oxygen-containing organic compound; a polyphosphate ester compound; and a metal salt of an organic carboxylic acid having 6 to 60 carbon atoms. 1: A refrigerator oil , comprising:a base oil comprising an oxygen-containing organic compound;a polyphosphate ester compound; anda metal salt of an organic carboxylic acid having 6 to 60 carbon atoms.2: The refrigerator oil according to claim 1 , wherein a content of the polyphosphate ester compound is from 0.01 to 5.0% by mass based on the total amount of the refrigerator oil.3: The refrigerator oil according to claim 1 , wherein a content of the metal salt of an organic carboxylic acid is 1 ppm or more in terms of metal concentration based on the total amount of the refrigerator oil.4: The refrigerator oil according to claim 1 , wherein the oxygen-containing organic compound is at least one selected from the group consisting of a polyvinyl ether compound claim 1 , a polyoxyalkylene glycol compound claim 1 , a copolymer of a poly(oxy)alkylene glycol or a monoether thereof and a polyvinyl ether claim 1 , and a polyol ester compound.6: The refrigerator oil according to claim 5 , wherein in the general formula (1) Rcomprises an arylene group.9: The refrigerator oil according to claim 1 , wherein the metal salt of an organic carboxylic acid is an alkali metal salt of an organic carboxylic acid.10: The refrigerator oil according to claim 1 , wherein the metal salt of an organic carboxylic acid is a metal salt of an organic carboxylic acid having 16 to 20 carbon atoms.11: The refrigerator oil according to claim 1 , wherein the metal salt of an organic carboxylic acid is potassium oleate.12: A composition for a refrigerator claim 1 , the composition comprising a refrigerant and the refrigerator oil according to .13: The composition for a refrigerator according to claim 12 , wherein the refrigerant is at least one selected ...

MINERAL BASE OIL, LUBRICANT COMPOSITION, INTERNAL COMBUSTION ENGINE, LUBRICATING METHOD OF INTERNAL COMBUSTION ENGINE

Provided is a mineral base oil satisfying the following requirements (I) to (III): 1: A mineral base oil satisfying the following requirements (I) to (III):{'sup': 2', '2, 'Requirement (I): a kinematic viscosity at 100° C. is 2 mm/s or more and less than 7 mm/s;'}Requirement (II): a viscosity index is 100 or more; andRequirement (I): a temperature gradient Δ|η*| of complex viscosity between two temperature points −10° C. and −25° C. is 60 Pas/C or less as measured with a rotary rheometer under conditions at an angular velocity of 6.3 rad/s and a strain amount of 0.1 to 100%.2: The mineral base oil according to claim 1 , further satisfying the following requirement (IV):Requirement (IV): complex viscosity η* at −35° C. is 60,000 Pa·s or less as measured with a rotary rheometer under conditions at an angular velocity of 6.3 rad/s and a strain amount of 0.1%.3: The mineral base oil according to claim 1 , having a naphthene content (% C) of 10 to 30.4: The mineral base oil according to claim 1 , having a naphthene content (% C) of 15 to 30.5: The mineral base oil according to claim 1 , having an aromatic content (% C) of 0.1 or less and a sulfur content of less than 100 ppm by mass.6: A lubricating oil composition comprising a mineral base oil satisfying the following requirements (I) to (III) and an olefinic copolymer:{'sup': 2', '2, 'Requirement (I): a kinematic viscosity at 100° C. is 2 mm/s or more and less than 7 mm/s;'}Requirement (II): a viscosity index is 100 or more; andRequirement (III): a temperature gradient Δ|η*| of complex viscosity between two temperature points −10° C. and −25° C. is 60 Pa·s/° C. or less as measured with a rotary rheometer under conditions at an angular velocity of 6.3 rad/s and a strain amount of 0.1 to 100%.7: The lubricating oil composition according to claim 6 , wherein the content of the olefinic copolymer is from 0.01 to 15.0% by mass on the basis of the whole amount of the lubricating oil composition.8: The lubricating oil ...

MULTIFUNCTIONAL LUBRICATING OIL BASE STOCKS AND PROCESSES FOR PREPARING SAME

A composition that includes one or more compounds represented by the formula 2. The composition of wherein Rand Rare selected from the residue of a mPAO dimer (C-C) claim 1 , trimer (C-C) claim 1 , tetramer (C-C) claim 1 , pentamer (C-C) claim 1 , and hexamer (C-C) claim 1 , or α-olefin (C-C) claim 1 , X is selected from the residue of at least one of phenothiazine and phenyl phenothiazine claim 1 , a is a value from 1 to 4 claim 1 , and b is a value of 0 or 1.3. The composition of wherein the polycyclic claim 1 , heteroatom-containing claim 1 , hydrocarbon compound comprises phenothiazine claim 1 , a derivative of phenothiazine claim 1 , 2-methylthiophenothiazine claim 1 , 10-methylphenothiazine claim 1 , monotetradecylphenothiazine claim 1 , ditetradecylphenothiazine claim 1 , monodecylphenothiazine claim 1 , didecylphenothiazine claim 1 , monononylphenothiazine claim 1 , dinonylphenothiazine claim 1 , monoctylphenothiazine claim 1 , dioctylphenothiazine claim 1 , monobutylphenothiazine claim 1 , dibutylphenothiazine claim 1 , monostyrylphenothiazine claim 1 , distyrylphenothiazine claim 1 , butyloctylphenothiazine claim 1 , styryloctylphenothiazine claim 1 , and mixtures thereof.4. The composition of which comprises one or more alkylated polycyclic claim 1 , heteroatom-containing claim 1 , hydrocarbon compounds.5. The composition of which comprises an alkylated phenothiazine claim 3 , an alkylated derivative of phenothiazine claim 3 , or mixtures thereof.6. The composition of wherein the one or more alkylated polycyclic claim 4 , heteroatom-containing claim 4 , hydrocarbon compounds comprise monoalkylated polycyclic claim 4 , heteroatom-containing claim 4 , hydrocarbon compounds and dialkylated polycyclic claim 4 , heteroatom-containing claim 4 , hydrocarbon compounds claim 4 , wherein the ratio of monoalkylated polycyclic claim 4 , heteroatom-containing claim 4 , hydrocarbon compounds to dialkylated polycyclic claim 4 , heteroatom-containing claim 4 , ...

LUBRICATING COMPOSITIONS COMPRISING THERMOASSOCIATIVE AND EXCHANGEABLE COPOLYMERS

A composition results from the mixture of at least one lubricating oil, at least one statistical copolymer A1, and at least one compound A2 including at least two boronic ester functions; the statistical copolymer A1 resulting from the copolymerisation of at least a first monomer M1 having diol functions and at least a second monomer M2 having a different chemical structure from that of the M1 monomer. The composition lubricates a mechanical part. The field is that of lubricants. 2. The composition according to claim 1 , in which statistical copolymer A1 results from the copolymerization of at least one monomer M1 with at least two monomers M2 having different Rgroups.6. The composition according to claim 5 , in which the chain formed by the sequence of R10 claim 5 , M claim 5 , X and (R)groups with u equal to 0 or 1 of the monomer of general formula (IV) has a total number of carbon atoms comprised between 8 and 38.7. The composition according to claim 5 , in which the side chains of the copolymer A2 have an average length greater than 8 carbon atoms.8. The composition according to claim 5 , in which the statistical copolymer A2 has a molar percentage of monomer of formula (IV) in the copolymer ranging from 0.25 to 20%.9. The composition according to claim 5 , in which the statistical copolymer A2 has a number-average degree of polymerization ranging from 50 to 1500.10. The composition according to claim 1 , in which the side chains of the statistical copolymer A1 have a average length ranging from 8 to 20 carbon atoms.11. The composition according to claim 1 , in which the statistical copolymer A1 has a molar percentage of monomer M1 of formula (I) ranging in said copolymer from 1 to 30%.12. The composition according to claim 1 , in which the statistical copolymer A1 has an average degree of polymerization ranging from 100 to 2000.13. The composition according to claim 1 , in which the lubricating oil is selected from the oils of Group I claim 1 , Group II claim 1 ...

VISCOSITY INDEX IMPROVER AND LUBRICATING OIL COMPOSITION

The present invention aims to provide a viscosity index improver excellent in shear stability and having a low HTHS viscosity and a high viscosity index. The viscosity index improver of the present invention contains a (co)polymer (A) containing a polyolefin-based monomer as an essential monomer unit, and a base oil, wherein the absolute value of difference in solubility parameter between the (co)polymer (A) and the base oil is 0.8 to 2.0 (cal/cm). 1. A viscosity index improver comprising:a (co)polymer (A) containing a polyolefin-based monomer as an essential monomer unit; anda base oil,{'sup': 3', '1/2, 'wherein the absolute value of the difference in solubility parameter between the (co)polymer (A) and the base oil is 0.8 to 2.0 (cal/cm).'}2. The viscosity index improver according to claim 1 ,{'sup': 3', '1/2, 'wherein the solubility parameter of the base oil is 7.8 to 9.5 (cal/cm).'}4. The viscosity index improver according to claim 3 ,wherein the hydrocarbon polymer containing at least one of isobutylene or 1,2-butylene as an essential structural unit in the formula (1) is a polymer in which the total number of isobutylene and 1,2-butylene based on the total number of structural units is 30 mol % or more.6. The viscosity index improver according to claim 5 ,wherein the (co)polymer (A) is the copolymer containing, as monomer units, 1 to 50% by weight of the monomer (a) and 1 to 80% by weight of the monomer (b) based on the weight of the (co)polymer (A), with the total amount of the monomers (a) and (b) being 10% by weight or more.7. The viscosity index improver according to claim 5 ,wherein the (co)polymer (A) is the copolymer further containing, as a monomer unit, at least one of an alkyl (meth)acrylate (c) having a C1-C4 alkyl group or an alkyl (meth)acrylate (d) having a C12-C36 linear alkyl group.9. The viscosity index improver according to claim 8 ,wherein the (co)polymer (A) is the copolymer containing, as monomer units, 5 to 40% by weight of the monomer (a ...

Engine oil composition

An engine oil composition includes a star polymer (A) and a poly(alkyl (meth)acrylate) (B) as a viscosity index improver, and has a viscosity index of 185 to 230, the star polymer (A) having a star structure and having a weight average molecular weight of 100,000 to 1,000,000, the star structure being a structure in which polymer chains branch from a center of the polymer, the polymer chains being obtained by copolymerization and hydrogenation of an aromatic vinyl compound monomer and a conjugated diene monomer, the poly(alkyl (meth)acrylate) (B) having a weight average molecular weight of 200,000 to 600,000, the content (M A ) of the star polymer (A) in the engine oil composition being 0.10 to 2.00 mass % based on the total mass of the engine oil composition, the content (M B ) of the poly(alkyl (meth)acrylate) (B) in the engine oil composition being 0.50 to 6.00 mass % based on the total mass of the engine oil composition, and the ratio “M A /M B ” being 0.10 to 1.00. The engine oil composition can significantly improve fuel efficiency, and is suitably used for a diesel engine.

LUBRICATING COMPOSITION

Lubricating composition for use in the crankcase of an engine comprising: (i) a base oil comprising at least one monoester or a mixture of monoesters, wherein said monoester or mixture of monoesters has a kinematic viscosity at 100° C. of not more than 4 mm/s, a viscosity index of at least 130 and a Noack evaporation loss of not more than 20 wt %; and (ii) a polymeric viscosity index improvers selected from (a) one or more comb polymers; (b) a poly(meth)acrylate polymer having 1 to 70 mol % of one or more (meth)acrylate structural units represented by formula (1) below (1) wherein Ris a hydrogen atom or a methyl group, and Ris a straight chain or branched hydrocarbon group having not less than 16 carbon atoms; (c) styrene-diene hydrogenated copolymers; and (d) mixtures thereof. The lubricating composition of the present invention provides improved fuel economy properties. 2. A lubricating composition according to wherein said monoester or mixtures of monoesters has a kinematic viscosity at 100° C. of not more than 3.3 mm/s.3. A lubricating composition according to wherein said monoester or mixtures of monoesters has a Noack evaporation loss of not more than 15 wt %.4. A lubricating composition according to wherein the at least one monoester or mixture of monoesters is present at a total level of at least 10 wt % claim 1 , by weight of the lubricating composition.5. A lubricating composition according to wherein the at least one monoester or mixture of monoesters is present at a total level of at most 75 wt % claim 1 , by weight of the lubricating composition.6. A lubricating composition according to wherein the polymeric viscosity index improver is a comb polymer.7. A lubricating composition according to wherein the polymeric viscosity index improver is present in a solid polymer amount of from 0.1 wt % to 7 wt % claim 1 , by weight of the lubricating composition.8. A lubricating composition according to wherein said at least one monoester or mixture of said ...

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.

THERMO-THICKENING COMPOUNDS FOR NON-POLAR LIQUID

A bis-urea compound of general formula (IV): 115-. (canceled)18. The method according to claim 17 , wherein in the compound of formula (IVbis) claim 17 , Rand Rare both H.19. The method according to claim 16 , wherein said composition is a non-polar liquid.20. The method according to claim 16 , wherein thermo-thickening is performed at a temperature ranging from 5° C. to 100° C.21. The method according to claim 16 , for further improving the cold flow property of a non-polar liquid.23. The compound according to claim 22 , wherein n is equal to 0 (i.e. compounds having formula (IV bis)).24. The compound according to claim 23 , wherein Z claim 23 , Z′ claim 23 , Zand Z′ represent O atoms.25. The compound according to claim 24 , selected from:(2S,2′S)-dihexyl 2,2′-((((4-methyl-1,3-phenylene)bis(azanediyl))bis(carbonyl))bis(azanediyl))bis(3-phenylpropanoate);(2S,2′S)-diheptyl 2,2′-((((4-methyl-1,3-phenylene)bis(azanediyl))bis(carbonyl))bis(azanediyl))bis(3-phenylpropanoate);(2S,2′S)-dioctyl 2,2′-((((4-methyl-1,3-phenylene)bis(azanediyl))bis(carbonyl))bis(azanediyl))bis(3-phenylpropanoate);(2S,2′S)-dioctyl 2,2′-((((4,6-dimethyl-1,3-phenylene)bis(azanediyl))bis(carbonyl))bis(azanediyl))bis(3-phenylpropanoate);(2S,2′S)-dioctyl 2,2′-((((4,6-dichloro-1,3-phenylene)bis(azanediyl))bis(carbonyl))bis(azanediyl))bis(3-phenylpropanoate);(2S,2′S)-dinonyl 2,2′-((((4-methyl-1,3-phenylene)bis(azanediyl))bis(carbonyl))bis(azanediyl))bis(3-phenylpropanoate);(2S,2′S)-dinonyl 2,2′-((((4,6-dimethyl-1,3-phenylene)bis(azanediyl))bis(carbonyl))bis(azanediyl))bis(3-phenylpropanoate);(2S,2′S)-didecyl 2,2′-((((4-methyl-1,3-phenylene)bis(azanediyl))bis(carbonyl))bis(azanediyl))bis(3-phenylpropanoate);(2S,2′S)-diundecyl 2,2′-((((4-methyl-1,3-phenylene)bis(azanediyl))bis(carbonyl))bis(azanediyl))bis(3-phenylpropanoate);(2S,2′S)-didodecyl 2,2′-((((4-methyl-1,3-phenylene)bis(azanediyl))bis(carbonyl))bis(azanediyl))bis(3-phenylpropanoate);(2S,2′S)-didodecyl 2,2′-((((4,6-dimethyl-1,3-phenylene)bis( ...

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. 113.-. (canceled)14. A system for producing a lubricant boiling range product , comprising:a hydrotreating reactor comprising a hydrotreating feed inlet, a hydrotreating effluent outlet, and at least one fixed catalyst bed comprising a hydrotreating catalyst;a separation stage having a first separation stage inlet and a second separation stage inlet, the first separation stage inlet being in fluid communication with the hydrotreating effluent outlet, the separation stage further comprising a plurality of separation stage liquid effluent outlets, one or more of the separation stage liquid effluent outlets corresponding to product outlets;a hydrocracking reactor comprising a hydrocracking feed inlet, a hydrocracking effluent outlet, and at least one fixed catalyst bed comprising a hydrocracking catalyst, the hydrocracking feed inlet being in fluid communication with at least one separation stage liquid effluent outlet, and the hydrocracking catalyst comprising USY zeolite ...

COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

To provide a composition for a heat cycle system with which a HCFO or a CFO can more stably lubricate, and a heat cycle system employing the composition. A composition for a heat cycle system comprising a working fluid for heat cycle containing at least one compound selected from predetermined HCFO and CFO, and a mixed refrigeration oil obtained by mixing a naphthenic mineral oil and other predetermined refrigeration oil, wherein the mixed refrigeration oil has a kinematic viscosity at 40° C. of 300 mm/s or lower, a mixed composition 1 of the working fluid for heat cycle and the mixed refrigeration oil at a concentration of the working fluid for heat cycle of 10 mass % has a viscosity at 60° C. of 10 mPas or higher, and a mixed composition 2 of the working fluid for a heat cycle system and the mixed refrigeration oil at a concentration of the mixed refrigeration oil of 5 mass % has a two phase separation temperature of 0° C. or lower, and a heat cycle system, which employs the composition for a heat cycle system. 2. The composition for a heat cycle system according to claim 1 , wherein the mixed refrigeration oil contains a naphthenic mineral oil and at least one member selected from a paraffinic mineral oil claim 1 , an olefin polymer and a polyol ester refrigeration oil.3. The composition for a heat cycle system according to claim 1 , wherein the content of the working fluid for heat cycle is from 40 to 95 mass % based on the entire amount of the composition for a heat cycle system.4. The composition for a heat cycle system according to claim 1 , wherein the content of the mixed refrigeration oil is from 5 to 60 mass % based on the entire amount of the composition for a heat cycle system.5. The composition for a heat cycle system according to claim 1 , wherein the content of the naphthenic mineral oil is from 50 to 90 mass % based on the entire amount of the mixed refrigeration oil.6. The composition for a heat cycle system according to claim 1 , wherein the ...

POLYESTER DISPERSANTS, SYNTHESIS AND USE THEREOF

A polyester composition, suitable for use as a dispersant in lubricating oils, is disclosed. The polyester composition is prepared by reacting (a) an acylating agent selected from an aliphatic-substituted succinic acylating agent, an aromatic polycarboxylic acylating agent, and combinations thereof; and (b) a hydroxyalkyl-substituted tertiary amine compound of the following structure: 2. The composition of claim 1 , wherein the aliphatic-substituted succinic acylating agent is selected from one or more of dodecenyl succinic anhydride claim 1 , hexadecenyl succinic anhydride claim 1 , and octadecenyl succinic anhydride claim 1 , and polyisobutenyl succinic anhydride.3. The composition of claim 1 , wherein the aromatic polycarboxylic acylating agent is selected from one or more of phthalic acid claim 1 , phthalic anhydride claim 1 , isophthalic acid claim 1 , terephthalic acid claim 1 , trimellitic acid claim 1 , trimellitic anhydride claim 1 , pyromellitic acid claim 1 , pyromellitic dianhydride claim 1 , 1 claim 1 ,8-naphthalic anhydride claim 1 , 2 claim 1 ,3-naphthalic anhydride claim 1 , and 2 claim 1 ,3 claim 1 ,7 claim 1 ,8-naphthalic dianhydride.4. The composition of claim 1 , wherein R′ is a Calkyl group.5. The composition of claim 1 , wherein R in each of the x (RO) and y (RO) groups is ethylene and R in each of the z (RO) groups is propylene.6. The composition of claim 1 , wherein x+y is in the range of 2 to 5.7. The composition of claim 1 , wherein z is in the range of 2 to 3.8. A lubricating oil additive concentrate comprising from 80 to 20 wt. % of an organic liquid diluent and from 20 to 80 wt. % of the polyester composition of .9. A lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity and (b) from 0.05 to 15 wt. % claim 1 , based on the total weight of the lubricating oil composition claim 1 , of the polyester composition of .10. The lubricating oil composition of claim 9 , further comprising an additive selected ...

Dispersant Viscosity Index Improver-Containing Lubricant Compositions and Methods of Use Thereof

Lubricating oil compositions and methods of their use are provided herein. A lubricating oil composition as described herein includes a major amount of an oil of lubricating viscosity, an amine-functionalized olefin copolymer dispersant viscosity index improver in an amount of from about 1.5 wt. % to 2.0 wt. % based on the weight of the lubricating oil composition, and a dispersant. The amine-functionalized olefin copolymer dispersant viscosity index improver includes a reaction product of an acylated olefin copolymer and a polyamine. The dispersant includes reaction product of components (A) a hydrocarbyl-dicarboxylic acid or anhydride having a number average molecular weight of from about 500 to about 5000 and (B) at least one polyamine, wherein the reaction product is post-treated with (C) an aromatic carboxylic acid, an aromatic polycarboxylic acid, or an aromatic anhydride, wherein all carboxylic acid or anhydride groups are attached directly to an aromatic ring, and/or (D) a non-aromatic dicarboxylic acid or anhydride having a number average molecular weight of less than about 500. 1. A lubricating oil composition , comprising:a major amount of an oil of lubricating viscosity;an amine-functionalized olefin copolymer dispersant viscosity index improver comprising a reaction product of an acylated olefin copolymer and a polyamine in an amount of from about 1.5 wt. % to about 2.0 wt. % based on the weight of the lubricating oil composition; anda dispersant comprising a reaction product of components (A) a hydrocarbyl-dicarboxylic acid or anhydride having a number average molecular weight of from about 500 to about 5000 and (B) at least one polyamine, wherein the reaction product is post-treated with (C) an aromatic carboxylic acid, an aromatic polycarboxylic acid, or an aromatic anhydride, wherein all carboxylic acid or anhydride groups are attached directly to an aromatic ring, and/or (D) a non-aromatic dicarboxylic acid or anhydride having a number average ...

MARINE LUBRICATING OILS AND METHOD OF MAKING AND USE THEREOF

Provided are marine lubricating oils including from 15 to 95 wt % of a Group III base stock having a kinematic viscosity at 100 deg. C of 4 to 12 cSt, 0.5 to 55 wt % of cobase stock having a kinematic viscosity at 100 deg. C of 29 to 1000 cSt, 0.1 to 2.0 wt % of a molydithiocarbamate friction modifier, 0.1 to 2.0 wt % of a zinc dithiocarbamate anti-wear additive, and 2 to 30 wt % of other lubricating oil additives. The cobase stock is selected from the group consisting of a Group I, a Group IV, a Group V and combinations thereof Also provided are methods of making and using the marine lubricating oils. 1. A marine lubricating oil comprising from 15 to 95 wt % of a Group III base stock having a KV100 of 4 to 12 cSt , 0.5 to 55 wt % of cobase stock having a KV100 of 29 to 1000 cSt , 0.1 to 2.0 wt % of a molydithiocarbamate friction modifier , 0.1 to 2.0 wt % of a zinc dithiocarbamate anti-wear additive , and 2 to 30 wt % of other lubricating oil additives , andwherein the cobase stock is selected from the group consisting of a Group I, a Group IV, a Group V and combinations thereof.2. The oil of claim 1 , wherein the Group I cobase stock is bright stock.3. The oil of claim 1 , wherein the Group IV cobase stock is a Friedel-Crafts catalyzed PAO base stock or a metallocene catalyzed PAO base stock.4. The oil of claim 1 , wherein Group V cobase stock is selected from the group consisting of polyisobutylene claim 1 , polymethacrylate and combinations thereof.5. The oil of claim 1 , wherein the Group III base stock is a GTL base stock.6. The oil of claim 1 , wherein the oil has a KV100 ranging from 7 to 30 cSt.7. The oil of claim 1 , wherein the other lubricating oil additives are selected from the group consisting of viscosity index improvers claim 1 , antioxidants claim 1 , detergents claim 1 , dispersants claim 1 , pour point depressants claim 1 , corrosion inhibitors claim 1 , metal deactivators claim 1 , seal compatibility additives claim 1 , anti-foam agents claim 1 ...

POLY(METH)ACRYLATE COPOLYMERS WITH BRANCHED C17 ALKYL CHAINS AND THEIR USE IN LUBRICANT OIL COMPOSITIONS

The presently claimed invention is directed to poly(meth)acrylate copolymers containing alkyl(meth)acrylate comonomer with branched C17 alkyl group. The invention is further related to lubricating oil compositions comprising poly(meth)acrylate copolymers containing alkyl(meth) acrylate comonomer with branched C17 alkyl group as viscosity index improving component. 115.-. (canceled)16. A poly(meth)acrylate copolymer that is obtained by polymerizing a mixture comprising:(A) C17 alkyl (meth)acrylate, where C17 alkyl chain is branched with a mean degree of branching between 2.0 and 4.0,(B) methyl methacrylate and/or methyl acrylate, and(C) alkyl methacrylate and/or alkyl acrylate with a linear or branched C2 to C30 alkyl chain.17. The copolymer of claim 16 , wherein the C17 alkyl chain is branched with a mean degree of branching between 2.8 and 3.7.18. The copolymer of claim 16 , wherein the copolymer has a weight average molecular weight Mof from 10 claim 16 ,000 to 800 claim 16 ,000 determined by gel permeation chromatography according to DIN 55672-1.19. The copolymer of claim 16 , wherein the amount of comonomer (A) is from 5 to 80 wt.-% claim 16 , based on the total weight of the poly(meth)acrylate copolymer.20. The copolymer of claim 16 , wherein the amount of comonomer (B) is from 5 to 40 wt.-% claim 16 , based on the total weight of the poly(meth)acrylate copolymer.21. The copolymer of claim 16 , wherein the amount of comonomer (C) is from 15 to 80 wt.-% claim 16 , based on the total weight of the poly(meth)acrylate copolymer.22. The copolymer of claim 16 , wherein the linear or branched C2 to C30 alkyl chain is selected from the group consisting of ethyl claim 16 , n-propyl claim 16 , iso-propyl claim 16 , n-butyl claim 16 , iso-butyl claim 16 , sec-butyl claim 16 , tert-butyl claim 16 , pentyl claim 16 , hexyl claim 16 , heptyl claim 16 , octyl claim 16 , 2-ethylhexyl claim 16 , 2-propyl heptyl claim 16 , nonyl claim 16 , decyl claim 16 , stearyl claim 16 , ...

HEAT TREATMENT OIL COMPOSITION

A heat treatment oil composition is provided that suppresses the decrease of luster in a heat treatment of a metal material, and is capable of suppressing the increase of the number of second (characteristic number of second) until reaching the temperature where the vapor blanket stage ends with the lapse of time and the decrease of the kinetic viscosity with the lapse of time. The heat treatment oil composition contains (A) a base oil and (B) a vapor blanket breaking agent selected from one or more of a petroleum resin, a terpene resin, rosin, and derivatives thereof. 1. A heat treatment oil composition , comprising(A) a base oil, and(B) at least one vapor blanket breaking agent selected from the group consisting of a petroleum resin, a terpene resin, a rosin, and derivatives thereof.2. The heat treatment oil composition according to claim 1 , wherein the vapor blanket breaking agent as the component (B) has a softening point measured by the ring and ball method of JIS K2207:2006 of 40° C. or more.3. The heat treatment oil composition according to claim 2 , wherein the vapor blanket breaking agent as the component (B) has a softening point measured by the ring and ball method of JIS K2207:2006 of 60° C. or more and 150° C. or less.4. The heat treatment oil composition according to claim 1 , wherein the base oil as the component (A) has a 40° C. kinetic viscosity of from 5 to 500 mm/s.5. The heat treatment oil composition according to claim 1 , comprising:80% by mass or more and less than 100% by mass of the base oil, andmore than 0% by mass and 20% by mass or less of the vapor blanket breaking agent,based on a total mass the total amount of the heat treatment oil composition.6. The heat treatment oil composition according to claim 1 , wherein the heat treatment oil composition has a characteristic number of second obtained from a cooling curve obtained according to the cooling capability test method of JIS K2242:2012 of 3.00 seconds or less. The present invention ...

Estolide Compositions Exhibiting Superior High-Performance Properties

Compounds and compositions, including engine oils and lubricant formulations comprising at least one estolide compound. Exemplary compositions comprise an estolide base oil and an additive package.

Compositions of thermoassociative additives with controlled association and lubricant compositions containing them

The present disclosure relates to novel compositions of additives that result from mixing at least two thermoassociative and exchangeable copolymers and at least one compound for controlling the association of these two copolymers. A lubricant composition results from mixing at least one lubricating base oil, at least two thermoassociative and exchangeable copolymers and at least one compound for controlling the association of these two copolymers. The present disclosure also relates to a process for modulating the viscosity of a lubricant composition that results from mixing at least one lubricating base oil, at least two thermoassociative and exchangeable copolymers; as well as the use of a diol compound for modulating the viscosity of a lubricant composition.

Water-Based Lubricants for Conveyor Belts

The invention relates to water-based lubricants for conveyor belts. More particularly, the invention relates to water-based lubricants for conveyor belts for the drinks industry. 1. Water-based lubricant composition for conveyor belts , comprising:4% to 30% by weight of at least one viscosifying component,0.05% to 10% by weight of preservative substances that provide protection from soiling,water to 100% by weight,characterized in that the viscosifying component is a water-soluble carboxylic ester, or a mixture of a water-soluble carboxylic ester and a low molecular weight polyalkylene glycol.2. Lubricant composition according to claim 1 , further comprising one or more components selected from the group consisting of:0.05% to 5% by weight of antiwear agent,0.05% to 15% by weight of antifreeze,0.05% to 15% by weight of anticorrosive,0.05% to 5% by weight of antiwear agent,0.05% to 5% by weight of defoamer,0.05% to 5% by weight of wetting agent,0.05% to 5% by weight of biocides,0.005% to 2% by weight of fragrances.3. Lubricant composition according to claim 1 , characterized in that the preservative substances that provide protection from soiling are a compound or mixture selected from the group consisting of foaming or non-foaming emulsifiers from the class of ionic and nonionic surfactants.4. Lubricant composition according to claim 2 , characterized in that the antiwear agent is a water-soluble compound containing sulfur claim 2 , phosphorus and/or nitrogen.5. Lubricant composition according to claim 2 , characterized in that the antifreeze is a compound selected from the group consisting of mono- and polyhydric alcohols and derivatives thereof.6. Lubricant composition according to claim 2 , characterized in that the anticorrosive is a compound selected from the group consisting of neutralized and non-neutralized carboxylic acids claim 2 , neutralized phosphoric acids and/or phosphoric acid derivatives claim 2 , benzoic acid and/or benzoic acid derivatives claim 2 ...

MINERAL BASE OIL AND LUBRICATING OIL COMPOSITION

Provided is a mineral base oil having a kinematic viscosity at 40° C. of 4.0 mm/s or more and less than 6.0 mm/s, a kinematic viscosity at 100° C. of 1.0 mm/s or more and less than 2.0 mm/s, and a flash point of 140° C. or higher. A lubricating oil composition containing the mineral base oil has a high flash point while having a low viscosity and thus having excellent fuel-saving performance when used as a driving system oil and the like. 1: A mineral base oil having:{'sup': 2', '2, 'a kinematic viscosity at 40° C. of 4.0 mm/s or more and less than 6.0 mm/s,'}{'sup': 2', '2, 'a kinematic viscosity at 100° C. of 1.0 mm/s or more and less than 2.0 mm/s, and'}a flash point of 140° C. or higher.2: The mineral base oil according to claim 1 , wherein a temperature gradient Δ|η*| of complex viscosity between two temperature points −10° C. and −25° C. is 0.1 Pa·s/° C. or less as measured with a rotary rheometer under conditions at an angular velocity of 6.3 rad/s and a strain amount of 0.1 to 100%.3: The mineral base oil according to claim 1 , wherein the kinematic viscosity at 100° C. is 1.5 mm/s or more and less than 2.0 mm/s.4: The mineral base oil according to claim 1 , wherein a feedstock oil for the mineral base oil has a proportion of an n-paraffin component of 50% by volume or less based on 100% by volume of the total amount of an aroma component claim 1 , a naphthene component claim 1 , the n-paraffin component claim 1 , and an isoparaffin component.5: The mineral base oil according to claim 1 , wherein a feedstock oil for the mineral base oil has a 10 volume percent distillation temperature of 250° C. or higher and a 90 volume percent distillation temperature of 320° C. or higher in a distillation test in accordance with JIS K2254.6: The mineral base oil according to claim 1 , wherein a feedstock oil for the mineral base oil has a kinematic viscosity at 40° C. of 4.0 to 6.0 mm/s and a kinematic viscosity at 100° C. of 1.0 to 2.0 mm/s.7: The mineral base oil ...

Motorcycle Lubricant

It has been found that the balance between friction reduction in the engine crankcase and the maintenance of sufficient friction in the clutch assembly of a 4T motorcycle, where the engine crankcase and the clutch assembly are lubricating by the same lubricating oil composition from a common sump, can be achieved by use of a lubricating oil composition comprising a combination of molybdenum containing additive and ashless organic friction modifier. 1. A motorcycle having a four cycle engine and a transmission including a clutch assembly , the engine crankcase and the clutch assembly being lubricated by a lubricating oil composition provided from a common sump , wherein said lubricating oil composition comprises a major amount of oil of lubricating viscosity and minor amounts of (A) an oil soluble molybdenum compound and (B) an ashless organic friction modifier , wherein the lubricating oil composition comprises at least 30 ppm and no more than 500 ppm of molybdenum from the oil-soluble molybdenum compound (A).2. (canceled)3. (canceled)4. (canceled)5. A motorcycle as claimed in claim 1 , wherein the oil-soluble molybdenum compound consists of either a molybdenum dithiocarbamate or a molybdenum dithiophosphate or a mixture thereof claim 1 , as the sole source of molybdenum atoms in the lubricating oil composition.6. A motorcycle as claimed in claim 5 , wherein the oil-soluble molybdenum compound consists of a molybdenum dithiocarbamate claim 5 , as the sole source of molybdenum atoms in the lubricating oil composition.7. A motorcycle as claimed in claim 1 , wherein the lubricating oil composition wherein the ashless organic friction modifier (B) comprises at least one of (a) a nitrogen-free organic friction modifier comprising an ester formed by reacting carboxylic acids and anhydrides with alkanols claim 1 , (b) an aminic or amine-based friction modifiers comprising alkoxylated mono- and di-amines claim 1 , (c) an ester formed as the reaction product of (i) a ...

LUBRICATING COMPOSITIONS WITH ENHANCED DEPOSIT PERFORMANCE

A lubricant composition includes a lubricating base oil, a controlled release friction modifier, a dispersant, a viscosity modifier and a cleanliness booster. The controlled release friction modifier is an ashless, dispersant-stabilized, borated controlled release friction modifier including an ionic tetrahedral borate compound including a cation and a tetrahedral borate anion, wherein the tetrahedral borate anion includes a boron atom having two bidentate di-oxo ligands of Ctartrimide. 1. A lubricant composition , comprising:a lubricating base oil; [{'sub': '18', 'a tetrahedral borate anion having a boron atom with two bidentate di-oxo ligands both being a linear C-tartrimide;'}, 'a first dispersant comprising a conventional ammonium substituted polyisobutenyl succinimide compound having a polyisobutenyl number average molecular weight of 750 to 2,500;', 'a second dispersant comprising an ammonium substituted polyisobutenyl succinimde compound having an N:CO ratio of 1.8 and a polyisobutylenyl number average molecular weight of 750 to 2,500;, 'a controlled release friction modifier includinga third dispersant;a viscosity modifier; anda cleanliness booster.2. The lubricant composition according to claim 1 , wherein the viscosity modifier comprises a hydrogenated isoprene star polymer.3. The lubricant composition according to claim 1 , wherein the cleanliness booster comprises an alkyl phenol ether polymer or polyisobutylene.4. The lubricant composition according to claim 1 , wherein the third dispersant is selected from a group consisting of succinimide claim 1 , polyolefin amide alkeneamine claim 1 , ethylene capped succinimide and borated polyisobutylsuccinimide-polyamine.5. The lubricant composition according to claim 1 , wherein the lubricating base oil comprises a highly paraffinic base oil.6. The lubricant composition according to claim 5 , wherein the highly paraffinic base oil includes a polyalphaolefin base oil claim 5 , a Group III base oil or a ...

Lubricant composition promoting sustained fuel economy

A lubricant composition includes a controlled release friction modifier (CRFM), a highly paraffinic base stock, a dispersant and a detergent. The CRFM includes an ionic tetrahedral borate compound including a cation and a tetrahedral borate anion, wherein the tetrahedral borate anion comprises a boron atom having two bidentate di-oxo ligands of C18 tartrimide. The lubricant composition can also include at least one of a Group V co-base stock, an inorganic friction modifier, a viscosity modifier, and a cleanliness booster.

LUBRICATING OIL COMPOSITION, LUBRICATION METHOD, AND TRANSMISSION

Provided are: a lubricating oil composition containing a mineral oil (A) having a kinematic viscosity at 40° C. of 5 to 15 mm/s and a flash point of 180° C. or higher, a synthetic oil (B) having a kinematic viscosity at 40° C. of 5 to 15 mm/s and a flash point of 190° C. or higher, an amide compound (C) and a polyol ester compound (D), which has a low viscosity and fuel saving performance, which can be used in high-temperature environments, and which has excellent gear anti-seizing property and anti-shudder performance; and a lubrication method and a transmission using the lubricating oil composition. 1. A lubricating oil composition , comprising:{'sup': '2', '(A) a mineral oil (A) having a kinematic viscosity at 40° C. of 5 to 15 mm/s and a flash point of 180° C. or higher;'}{'sup': '2', '(B) a synthetic oil (B) having a kinematic viscosity at 40° C. of 5 to 15 mm/s and a flash point of 190° C. or higher;'}(C) an amide compound (C); and(D) a polyol ester compound (D).2. The lubricating oil composition according to claim 1 , wherein the amide compound (C) is a reaction product of an amine compound and a carboxylic acid compound.3. The lubricating oil composition according to claim 2 , wherein the amine compound is an aliphatic polyamine having 6 to 30 carbon atoms claim 2 , and the carboxylic acid compound is a carboxylic acid having 6 to 30 carbon atoms.4. The lubricating oil composition according to claim 1 , wherein the polyol ester compound (D) is a reaction product of a polyol and a carboxylic acid compound.5. The lubricating oil composition according to claim 4 , wherein the polyol is an aliphatic polyol having 2 to 15 carbon atoms claim 4 , and the carboxylic acid compound is a carboxylic acid having 12 to 24 carbon atoms.6. The lubricating oil composition according to claim 1 , wherein the content of the synthetic oil (B) is from 3 to 50% by mass based on the total amount of the composition.7. The lubricating oil composition according to claim 1 , wherein ...

LOW VISCOSITY LOW VOLATILITY BENZOATE MONOESTER LUBRICATING OIL BASE STOCKS AND METHODS OF USE THEREOF

A composition including one or more benzoate monoester compounds represented by the formulae (I), (II), (III), (IV) and (V) as defined herein. The composition has a viscosity (K) from about 1 cSt to about 10 cSt at 100° C. as determined by ASTM D445, a viscosity index (VI) from about −100 to about 300 as determined by ASTM D2270, and a Noack volatility of no greater than 50 percent as determined by ASTM D5800. A process for producing the composition, a lubricating oil base stock and lubricating oil containing the composition, and a method for improving one or more of thermal and oxidative stability, solubility and dispersancy of polar additives, deposit control and traction control in a lubricating oil by using as the lubricating oil a formulated oil containing the composition. 2. The composition of which has a viscosity (K) from about 2 cSt to about 8 cSt at 100° C. as determined by ASTM D445 claim 1 , a viscosity index (VI) from about 25 to about 150 as determined by ASTM D2270 claim 1 , and a Noack volatility of no greater than 25 percent as determined by ASTM D5800.3. The composition of claim 1 , wherein the composition is selected from the group consisting of 2-butyloctyl 4-butyl benzoate claim 1 , 2-ethylhexyl 4-heptylbenzoate claim 1 , butyloctyl 4-cyano benzoate claim 1 , 2-hexyldecyl 4-methyl benzoate claim 1 , 2-hexyldecyl 2-methyl benzoate claim 1 , 2-hexyldecyl 3-methyl benzoate claim 1 , 2-hexyldecyl 2 claim 1 ,6 dimethyl benzoate claim 1 , 2-hexyldecyl 2-ethylbenzoate claim 1 , 2-hexyldecyl 2-methoxybenzoate claim 1 , 2-hexyldecyl 3-methoxybenzoate claim 1 , 2-hexyldecyl 4-methoxybenzoate claim 1 , 2-hexyldecyl 2-fluorobenzoate claim 1 , 2-hexyldecyl 3-fluorobenzoate claim 1 , 2-hexyldecyl 4-fluorobenzoate claim 1 , and combinations thereof.5. The composition of which has a viscosity (K) from about 2 cSt to about 8 cSt at 100° C. as determined by ASTM D445 claim 4 , a viscosity index (VI) from about 25 to about 150 as determined by ASTM D2270 claim 4 , ...

LUBRICATING OIL COMPOSITIONS WITH OXIDATIVE STABILITY IN DIESEL ENGINES USING BIODIESEL FUEL

A method for improving oxidative stability of a lubricating oil in a diesel engine, in which biodiesel fuel is used with diesel fuel in the diesel engine, by using as the lubricating oil a formulated oil. The formulated oil has a composition including at least one Group V lubricating oil base stock. The at least one Group V lubricating oil base stock is present in an amount from 1 to 75 weight percent, based on the total weight of the lubricating oil. Oxidative stability is improved in a diesel engine lubricated with the lubricating oil, as compared to oxidative stability achieved in a diesel engine lubricated with a lubricating oil not having the at least one Group V lubricating oil base stock, as determined by a CEC L-109-16 Bio-Diesel Oxidation Bench test. The lubricating oils are useful as passenger vehicle engine oil (PVEO) products or commercial vehicle engine oil (CVEO) products. 1. A method for improving oxidative stability of a lubricating oil in a diesel engine , wherein biodiesel fuel is used with diesel fuel in the diesel engine , by using as the lubricating oil a formulated oil , said formulated oil having a composition comprising at least one Group V lubricating oil base stock; wherein the at least one Group V lubricating oil base stock is present in an amount from 1 to 75 weight percent , based on the total weight of the lubricating oil; and wherein oxidative stability is improved in a diesel engine lubricated with the lubricating oil , as compared to oxidative stability achieved in a diesel engine lubricated with a lubricating oil not having the at least one Group V lubricating oil base stock , as determined by a CEC L-109-16 Bio-Diesel Oxidation Bench test.2. The method of wherein claim 1 , in a CEC L-109-16 Bio-Diesel Oxidation Bench test claim 1 , the time for a relative kinematic viscosity at 100° C. (KV100) increase of 100% of said lubricating oil claim 1 , is greater than the time for a relative kinematic viscosity at 100° C. (KV100) increase ...

POLYMERIC VISCOSITY MODIFIERS FOR USE IN LUBRICANTS

A lubricating oil composition having greater than 50 wt % of a base oil and 0.1 wt % to 20 wt %, both based on the total weight of the lubricating oil composition, of a dispersant viscosity modifier obtainable by: 2. The lubricating oil composition of claim 1 , wherein the dispersant viscosity modifier is present in an amount of from about 0.1 wt % to about 10 wt % claim 1 , based on the total weight of the lubricating oil composition.3. The lubricating oil composition of claim 1 , wherein the dispersant viscosity modifier is present in an amount of from about 0.5 wt % to about 8 wt % claim 1 , based on the total weight of the lubricating oil composition.4. The lubricating oil composition of claim 1 , wherein the dispersant viscosity modifier is present in an amount of 1 wt % to about 5 wt % claim 1 , based on the total weight of the lubricating oil composition.5. The lubricating oil composition of claim 1 , wherein the base oil is selected from a Group II base oil having at least 90 wt % saturates claim 1 , a Group III base oil having at least 90 wt % saturates claim 1 , a Group IV base oil claim 1 , a Group V base oil and mixtures of two or more thereof .6. The lubricating oil composition of claim 1 , wherein the copolymer is an ethylene-propylene copolymer.7. The lubricating oil composition of claim 1 , wherein the copolymer is acylated with an ethylenically unsaturated acylating agent having at least one carboxylic acid or carboxylic anhydride group.8. The lubricating oil composition of claim 7 , wherein the acylating agent is maleic anhydride.10. The lubricating oil composition of claim 9 , wherein component b) is selected from the group consisting of 1-(2-amino-ethyl)imidazolidin-2-one claim 9 , 4-(3-aminopropyl) morpholine claim 9 , 3-(dimethylamino)-1-propylamine claim 9 , N-phenyl-p-phenylenediamine claim 9 , N-(3-aminopropyl)-2-pyrrolidinone claim 9 , aminoethyl-acetamide claim 9 , β-alanine methyl ester claim 9 , -(3-aminopropyl)imidazole claim 9 , ...

Lubricant for preventing and removing carbon deposits in internal combustion engines

A lubricant formulation which is effective to remove or prevent carbon deposits in internal combustion engines has a solvency as defined by aniline point from about 20 to about 115, a volatility (as measured by NOACK) of less than 15%, an oxidative stability (as measured by PDSC) of above 40 minutes and a base oil viscosity of above 2 and below 10 cSt. The lubricant formulation can be formed from a blend of Group III, IV and V lubricants, in particularly polyalphaolefins, alkylated naphthalenes and polar Group V base stocks such as polyol esters. The carbon deposits can be removed from the engine piston by simply running the engine with the lubricant for one required cycle, or can be used continuously in the engine to prevent buildup.

COMPOSITION OF CONTINUOUSLY VARIABLE TRANSMISSION OIL FOR IMPROVING FUEL EFFICIENCY AND ENDURANCE PERFORMANCE

Disclosed is a composition of continuously variable transmission oil for improving fuel efficiency and endurance performance. Provided herein is a novel composition of continuously variable transmission oil that can improve fuel efficiency through reduction of fluid resistance by decreasing viscosity at a low temperature, and can enhance endurance performance of the transmission by increasing the viscosity at a high temperature. Provided herein is a continuously variable transmission oil composition containing a predetermined amount of olefin amide comb PMA as a viscosity adjusting agent in a base oil having a pour point of −40° C. or less, in addition to additives. 1. A composition of continuously variable transmission oil , comprising:about 75 wt % to about 85 wt % of base oil having a pour point of −40° C. or less;about 5 wt % to about 15 wt % of olefin amide comb PMA as a viscosity adjusting agent;about 8 wt % to about 15 wt % of an anti-wear additive; andabout 2 wt % to about 5 wt % of a friction modifier.2. The composition of continuously variable transmission oil of claim 1 , wherein the base oil comprises at least one selected from the group consisting of polyalphaolefin (PAO) and base oil including a paraffin-based hydrocarbon compound.4. The composition of continuously variable transmission oil of claim 1 , wherein an amide monomer is included with about 10 wt % to about 50 wt % with respect to the entire weight of the olefin amide comb PMA.5. The composition of continuously variable transmission oil of claim 1 , wherein the anti-wear additive is dibutyl hydrogen phosphite.6. The composition of continuously variable transmission oil of claim 1 , wherein the friction modifier is at least one selected from the group consisting of sulfurized fatty ester claim 1 , alkenyl phosphite claim 1 , and polyol ester. This application claims under 35 U.S.C. § 119(a) the benefit of Korean Patent Application No. 10-2016-0098006, filed on Aug. 1, 2016, the entire contents ...

LUBRICATING OIL COMPOSITION

Provided is a lubricating oil composition, which has low viscosity but also prolonged anti-shudder life without reduction of intermetallic friction coefficient. The lubricating oil composition is characterized in comprising (A) a lubricating base oil, and (C) (C-1) a borated succinimide compound with a mass average molecular weight of 4,000-7,000 and (C-2) a borated succinimide compound with a mass average molecular weight of greater than 7,000-10,000. 1. A lubricating oil composition , comprising:(A) a lubricating base oil; and '(C-2) a boronated succinimide compound having a weight-average molecular weight of more than 7,000 and not more than 10,000.', '(C) (C-1) a boronated succinimide compound having a weight-average molecular weight of 4,000 to 7,000 and'}2. The lubricating oil composition according to claim 1 , wherein part or all of component (A) comprises a poly(α-olefin) or α-olefin copolymer having a kinematic viscosity at 100° C. of 6 to 80 mm/s in an amount of 5 to 30% by weight based on a total weight of the lubricating oil composition; andwherein the lubricating oil composition further comprises (B) a polymethacrylate having a weight-average molecular weight of 15,000 to 40,000.3. The lubricating oil composition according to claim 1 , wherein each of component (C-1) and component (C-2) contains 0.1 to 3% by weight of boron based on a weight of component (C-1) or component (C-2).4. The lubricating oil composition according to claim 1 , wherein a weight ratio of component (C-2) to component (C-1) claim 1 , i.e. claim 1 , (C-2)/(C-1) is 1 to 10.5. The lubricating oil composition according to claim 1 , wherein the lubricating oil composition has a kinematic viscosity at 100° C. of 3 to 10 mm /s.6. The lubricating oil composition according to claim 1 , wherein the lubricating oil composition has a viscosity index of 150 or more.7. The lubricating oil composition according to claim 1 , further comprising (D) a metal detergent.8. The lubricating oil ...

Method for improving deposit control and cleanliness performance in an engine lubricated with a lubricating oil

wherein [Gn] is the weight percent of each of n dispersants in the formulated oil, [Bm] is the weight percent of each of m viscosity modifiers in the formulated oil, dV/d[Gn] is the kinematic viscosity (Kv100) increase of the lubricating oil per the weight percent of each of n dispersants in the formulated oil, and dV/d[Bm] is the kinematic viscosity (Kv100) increase of the lubricating oil per the weight percent of each of m viscosity modifiers in the formulated oil.

Lubricant compositions and methods for using the same

A lubricant composition with improved stability and tolerance for water hardness comprises a synthetic wax emulsion; an amine derivative; an emulsifier; and a sequestrant. The synthetic wax emulsion may include poly(ethyleneoxide)-based or poly(propyleneoxide)-based wax emulsions. The amine derivative may include alkyl C 12 -C 14 oxy propyl diamine. The lubricant composition can be used for lubricating the passage of a container along a conveyor. The method includes applying the lubricant composition to at least a part of the container or the conveyor in an application cycle, where the application cycle includes a first period of time of dispensing the lubricant composition and a second period of time of not dispensing the lubricant composition.

GREASE COMPOSITION FOR RESIN LUBRICATION AND SLIDING MEMBER HAVING SLIDING SURFACE MADE OF RESIN

The invention provides a grease composition for lubrication of a sliding surface made of resin, including a fluorine-based base oil and a synthetic hydrocarbon oil as a base oil; a fluorine-based thickener, and a lithium soap thickener or a lithium complex soap thickener as a thickener; and an extreme pressure additive as an additive. The invention also provides a sliding member including a sliding surface made of a resin wherein the grease composition for lubrication is applied to the sliding surface made of a resin. 1. A grease composition for lubrication of a sliding surface made of a resin , comprising:a fluorine-based base oil;a synthetic hydrocarbon oil;a fluorine-based thickener;a lithium soap thickener or a lithium complex soap thickener; andan extreme pressure additive,{'sup': '2', 'wherein the synthetic hydrocarbon oil has a kinetic viscosity at 40° C. of 30 to 220 mm/s.'}2. The grease composition according to claim 1 , wherein the extreme pressure additive is at least one selected from the group consisting of a phosphorus extreme pressure additive and a macromolecular ester extreme pressure additive.3. The grease composition according to claim 1 , wherein a worked penetration is in the range of 265 to 340.4. A sliding member comprising a sliding surface made of a resin wherein the grease composition according to is applied to the sliding surface.5. The sliding member according to claim 4 , wherein the sliding member is a sliding switch.6. The sliding member according to claim 4 , wherein the sliding member is a gear device. This application is based on Japanese Patent Application (No. 2018-141700) filed on Jul. 27, 2018, the contents of which are incorporated herein by reference.The present invention relates to a grease composition for lubrication of a sliding surface made of resin and a sliding member having a sliding surface made of resin.In JP-A-2016-139589, a sliding switch (resin sliding member) for improving waterproof property is proposed.When a ...

LUBRICATING OIL COMPOSITION

Disclosed is a lubricating oil composition comprising: a lubricating base oil comprising 0.5% to 70% by mass of an ester base oil based on the total amount of the lubricating base oil, and having a kinematic viscosity at 40° C. of 18 to 28 mm/s; and an organic molybdenum compound in an amount of 100 to 1000 mass ppm in terms of the molybdenum element based on the total amount of the lubricating oil composition, wherein the lubricating oil composition has a kinematic viscosity at 40° C. of 50 mm/s or less. 14-. (canceled)5. A lubricating oil composition comprising:{'sup': '2', 'a lubricating base oil comprising 1% to 70% by mass of an ester base oil based on the total amount of the lubricating base oil, and said lubricating base oil having a kinematic viscosity at 40° C. of 22 to 26 mm/s; wherein the amount of the lubricating base oil is 67.5% by mass or more; and'}molybdenum dithiocarbamate in an amount of 100 to 1000 mass ppm in terms of molybdenum element based on the total amount of the lubricating oil composition, wherein{'sup': '2', 'the lubricating oil composition has a kinematic viscosity at 40° C. of 10 of 50 mm/s or less,'}the lubricating oil composition further comprising 2.5% to 24% by mass of a copolymer of an α-olefin and an α,β-ethylenically unsaturated dicarboxylic acid diester, based on the total amount of the lubricating oil composition, wherein the weight-average molecular weight of the copolymer is 6000 to 15000,the lubricating oil further comprising a boron-containing dispersant in an amount of 100 to 500 mass ppm in terms of boron element based on the total amount of the lubricating oil composition,wherein the lubricating oil composition is free of styrene-maleic anhydride ester.6. The lubricating oil composition according to claim 5 , wherein the lubricating base oil comprises a synthetic base oil comprising a poly-α-olefin.7. A method of lubricating a hypoid gear comprising utilizing the lubricating oil composition of . The present invention ...

LUBRICATING OIL COMPOSITION

A lubricating oil composition including: a lubricating base oil; (A) a dispersant poly(meth)acrylate compound having a weight average molecular weight of 30,000 to 200,000 in an amount of 1 to 10 mass % on the basis of the total mass of the composition; and (B) a non-dispersant poly(meth)acrylate compound having a weight average molecular weight of 15,000 to 100,000 in an amount of no more than 15 mass % on the basis of the total mass of the composition, wherein the ratio MA/MB of the amount MA of the component (A) to the amount MB of the component (B) is 0.05 to 1; and the ratio MwB/MwA of the weight average molecular weight MwB of the component (B) to the weight average molecular weight MwA of the component (A) is 0.05 to 2. 1. A lubricating oil composition comprising:a lubricating base oil;(A) a dispersant poly(meth)acrylate compound having a weight average molecular weight of 30,000 to 200,000 in an amount of 1 to 10 mass % on the basis of the total mass of the composition; and(B) a non-dispersant poly(meth)acrylate compound having a weight average molecular weight of 15,000 to 100,000 in an amount of no more than 15 mass % on the basis of the total mass of the composition,wherein a ratio MA/MB of the amount MA of the component (A) to the amount MB of the component (B) is 0.05 to 1; anda ratio MwB/MwA of the weight average molecular weight MwB of the component (B) to the weight average molecular weight MwA of the component (A) is 0.05 to 2.2. The lubricating oil composition according to claim 1 ,the lubricating base oil consisting of: at least one Group II mineral base oil of API base stock categories, at least one Group III mineral base oil of API base stock categories, at least one Group IV synthetic base oil of API base stock categories, or at least one Group V synthetic base oil of API base stock categories, or any combination thereof,{'sup': '2', 'wherein the lubricating base oil has a kinematic viscosity at 100° C. of 2.5 to 4.5 mm/s.'}3. The lubricating ...

Process for Preparing Polymers and Compositions Thereof

The present invention provides a process for preparing a polymer, employing the steps of: (1) contacting a free radical initiator; a chain transfer agent containing a thiocarbonyl thio group and a free radical leaving group; and a radically polymerisable monomer, to form a polymer chain; and (2) contacting the polymer chain of step (1) with at least one of a polyvalent coupling agent, a polymerisation inhibitor, a grafting acylating agent, an amine and an oil of lubricating viscosity. The invention further provides compositions and uses for the polymer. 1. A composition comprising an oil of lubricating viscosity and a star polymer derived from at least two monomers comprising:(a) at least 50 wt % of a mixture of C12 to C15 alkyl substituted (meth)acrylate monomers; and(b) less than 50 wt % of an alkyl (meth)acrylate monomer containing 1 to 30 carbon atoms in the alkyl group, other than the C12 to C15 alkyl substituted (meth)acrylate monomer;(c) optionally containing less than 20 wt % styrene; and(d) optionally containing less than 10 wt % alkyl methacrylamide, wherein the star-polymer has about 7 to about 50 arms present on the star polymer, and wherein the star polymer is prepared by a reversible addition-fragmentation chain transfer controlled radical polymerisation process.2. The composition of claim 1 , wherein the star polymer is derived from at least two monomers consisting essentially of:(a) at least 50 wt % of a mixture of C12 to C15 alkyl substituted (meth)acrylate monomers; and(b) less than 50 wt % of an alkyl (meth)acrylate monomer containing 1 to 30 carbon atoms in the alkyl group, other than the C12 to C15 alkyl substituted (meth)acrylate monomer.3. The composition of claim 1 , wherein the star polymer is derived from at least two monomers comprising:(a) at least 50 wt % of a mixture of C12 to C15 alkyl substituted (meth)acrylate monomers; and(b) less than 50 wt % of an alkyl (meth)acrylate monomer containing 1 to 30 carbon atoms in the alkyl group, ...

Novel formulation for lubrication of hyper compressors providing improved pumpability under high-pressure conditions

The present disclosure provides a lubricating composition with improved high-pressure pumpability and/or reduced viscosity at high pressures, as well as method of making and using the same. The lubricating composition includes a white oil and a polymeric thickener present in an amount equal to or less than about 40 wt % of the lubricating composition. The white oil has a kinematic viscosity of at least one of: about 80 mm2/sec to about 120 mm2/sec at 40° C. and/or about 9.5 mm2/sec to about 14 mm2/sec at 100° C.

Use Of Polytetrahydrofurans In Lubricating Oil Compositions

An axle lubricating oil composition includes a polyalphaolefin having a kinematic viscosity at 100° C. of from 2 to 40 cSt when measured in accordance with ASTM D445. The axle lubricating oil composition also includes an alkoxylated polytetrahydrofuran of general formula (II). The alkoxylated polytetrahydrofuran of general formula (II) is present in an amount of from 10 to 40 parts by weight based on 100 parts by weight of the axle lubricating oil composition. 2. The axle lubricating oil composition according to wherein said polyalphaolefin has a kinematic viscosity at 100° C. of from 2 to 10 cSt when measured in accordance with ASTM D445 claim 1 , with said polyalphaolefin being present in an amount of from 40 to 50 parts by weight based on 100 parts by weight of said axle lubricating oil composition.3. The axle lubricating oil composition according to further comprising a carboxylic acid ester in an amount of from 5 to 20 parts by weight based on 100 parts by weight of said axle lubricating oil composition.4. The axle lubricating oil composition according to wherein k is an integer in the range of ≧3 to ≦25.5. The axle lubricating oil composition according to wherein k is an integer in the range of ≧5 to ≦20 claim 1 , and wherein (m+m′) is in the range of ≧3 to ≦65.6. The axle lubricating oil composition according to claim 1 , wherein the alkoxylated polytetrahydrofuran has a weight average molecular weight in the range of 4000 to 7000 g/mol determined according to DIN 55672-1 (polystyrene calibration standard) claim 1 , and wherein the ratio of (m+m′) to k is in the range of 0.3:1 to 6:1.7. The axle lubricating oil composition according to having a KRL Shear loss after 200 hours of less than 8% when measured in accordance with CEC L-45-A-99.8. The axle lubricating oil composition according to wherein Rdenotes an unsubstituted claim 1 , linear alkyl radical having 6 claim 1 , 7 claim 1 , 8 claim 1 , 9 claim 1 , 10 claim 1 , 11 claim 1 , 12 claim 1 , 13 claim 1 , ...

MULTIGRADE LUBRICATING COMPOSITIONS

The invention relates to a method of lubricating a mechanical device (such as an internal combustion engine) with a lubricating composition. The invention further relates to the use of the lubricating composition for an internal combustion engine to provide improved fuel economy and providing at least one of (i) wear reduction, (ii) control of corrosion, (iii) cleanliness, and (iv) soot control. 1. A multigrade lubricant composition , comprising:(a) an oil of lubricating viscosity having a viscosity index of at least 110 or 120 to 140 or 150;(b) an ashless dispersant; and(c) an overbased metal detergent wherein the lubricating composition contains less than 0.01 weight percent of a polymeric viscosity index improver; wherein the lubricant composition has a SAE viscosity grade of XW-Y, wherein X may be 0, 5, or 10; and Y may be 16, 20, 26, 30, or 40.2. The lubricant composition of claim 1 , wherein the multigrade crank-case lubricant is a SAE 0W-16 claim 1 , 0W-20 claim 1 , 0W-26 claim 1 , 5W-16 claim 1 , 5W-20 claim 1 , 5W-26 claim 1 , 5W-30 claim 1 , 10W-16 claim 1 , 10W-30 claim 1 , or 10W-40 lubricant.3. The lubricating composition of claim 1 , wherein the ashless dispersant is derived from a polyolefin having a number average molecular weight of 500 to 000.4. The lubricating composition of claim 1 , wherein the metal-containing overbased detergent comprises one or more of a calcium sulfonate claim 1 , a calcium phenate claim 1 , a magnesium sulfonate or a magnesium phenate.5. The lubricating composition of claim 4 , where the metal-containing overbased detergent is present in amount to deliver at least 4 TBN to the composition.6. The lubricating composition of claim 1 , wherein the lubricating composition has a viscosity index of at least 130 or at least 135.7. The lubricant of claim 1 , wherein the oil of lubricating viscosity has a viscosity index of at least 124.8. The lubricant composition of claim 1 , wherein the oil of lubricating viscosity comprises from ...

REFRIGERATING-MACHINE OIL AND WORKING-FLUID COMPOSITION FOR REFRIGERATING MACHINE

The invention provides a refrigerating machine oil comprising a hydrocarbon-based base oil, the refrigerating machine oil having a viscosity index of 120 or less, and being used with a 1-chloro-3,3,3-trifluoropropene refrigerant. 1. A refrigerating machine oil comprising a hydrocarbon-based base oil ,the refrigerating machine oil having a viscosity index of 120 or less, and being utilized with a 1-chloro-3,3,3-trifluoropropene refrigerant.2. The refrigerating machine oil according to claim 1 , wherein the hydrocarbon-based base oil has a viscosity index of 120 or less.3. The refrigerating machine oil according to claim 1 , wherein the hydrocarbon-based base oil has a % Cof 10 or more and 75 or less.4. The refrigerating machine oil according to claim 1 , wherein the 1-chloro-3 claim 1 ,3 claim 1 ,3-trifluoropropene refrigerant is a trans-1-chloro-3 claim 1 ,3 claim 1 ,3-trifluoropropene refrigerant.5. A working fluid composition for a refrigerating machine claim 1 , comprising:a refrigerating machine oil comprising a hydrocarbon-based base oil, the refrigerating machine oil having a viscosity index of 120 or less, anda 1-chloro-3,3,3-trifluoropropene refrigerant.6. The working fluid composition for a refrigerating machine according to claim 5 , wherein the hydrocarbon-based base oil has a viscosity index of 120 or less.7. The working fluid composition for a refrigerating machine according to claim 5 , wherein the hydrocarbon-based base oil has a % Cof 10 or more and 75 or less.8. The working fluid composition for a refrigerating machine according to claim 5 , wherein the 1-chloro-3 claim 5 ,3 claim 5 ,3-trifluoropropene refrigerant is a trans-1-chloro-3 claim 5 ,3 claim 5 ,3-trifluoropropene refrigerant.9. (canceled)10. (canceled) The present invention relates to a refrigerating machine oil, and a working fluid composition for a refrigerating machine; use of a composition containing a hydrocarbon-based base oil for a refrigerating machine oil or a working fluid ...

GREASE COMPOSITION

A grease composition comprising a polyalphaolefin and a thickener which is a fatty acid salt of calcium is disclosed. The composition is suitable for use at a seal-metal interface in a sealed bearing. 1. A grease composition comprising from 40 to 90 wt % of a first base oil component which is a polyalphaolefin and having a kinematic viscosity at 100° C. of between 1 and 5 mm/s , wherein the weight percentage is based upon the weight of the grease composition , and comprising a thickener which is a C13-C21 fatty acid salt of calcium.2. A grease composition according to claim 1 , wherein the amount of thickener is from 2 to 18 wt % claim 1 , based upon the weight of the grease composition.3. A method comprising:{'sup': '2', 'applying a grease composition at a seal-metal interface in a sealed bearing, wherein the grease composition comprises from 40 to 90 wt % of a first base oil component which is a polyalphaolefin and has a kinematic viscosity at 100° C. of between 1 and 5 mm/s, wherein the weight percentage is based upon the weight of the grease composition, and comprises a thickener which is a C13-C21 fatty acid salt of calcium.'}4. A method according to claim 3 , wherein the amount of thickener is from 2 to 18 wt % claim 3 , based upon the weight of the grease composition.5. A grease composition according to claim 1 , wherein the amount of thickener is from 2 to 14 wt % claim 1 , based upon the weight of the grease composition.6. A method according to wherein the amount of thickener is from 2 to 14 wt % claim 3 , based upon the weight of the grease composition. This invention relates to a grease composition and to use of the grease composition in a sealed bearing.Sealed bearings are used in many different types of machinery. The seals prevent the ingress of dirt and water that could damage the bearing and impair the functioning of the machinery. Typical seal materials include acrylonitrile-butadiene rubber (NBR) and fluoroelastomers (FKM). A grease is provided at ...

LUBRICATING OIL COMPOSITION FOR INTERNAL-COMBUSTION ENGINE, AND METHOD FOR REDUCING FRICTION IN GASOLINE ENGINE

Provided is a lubricating oil composition for internal combustion engines capable of exhibit a sufficient friction-reducing effect from a low-temperature range assuming engine starting to a practical temperature range of 80° C. or higher. The lubricating oil composition for internal combustion engines contains a surfactant having an alkylene oxide as the constituent unit and having an HLB value of 7 or more and less than 15, and a lubricant base oil. 1. A lubricating oil composition for internal combustion engines , the composition comprising:a surfactant having an alkylene oxide as the constituent unit and having an HLB value of 7 or more and less than 15, anda lubricant base oil.2. The lubricating oil composition for internal combustion engines according to claim 1 , wherein the surfactant has a molecular weight in a range of 350 to 950 g/mol.3. The lubricating oil composition for internal combustion engines according to claim 1 , wherein the surfactant is an amine compound.4. The lubricating oil composition for internal combustion engines according to claim 3 , wherein the amine compound is a tertiary amine.5. The lubricating oil composition for internal combustion engines according to claim 1 , wherein the surfactant is a polyoxyalkylene fatty acid ester.6. The lubricating oil composition for internal combustion engines according to claim 1 , wherein a content of the surfactant in the lubricating oil composition is 0.01 to 2.0% by mass.7. The lubricating oil composition for internal combustion engines according to claim 1 , further comprising:a boron-modified succinimide.8. The lubricating oil composition for internal combustion engines according to claim 7 , wherein a boron atom-equivalent content of the boron-modified succinimide in the lubricating oil composition is 0.2% by mass or less.9. The lubricating oil composition for internal combustion engines according to claim 7 , wherein a ratio by mass of a content of boron-modified succinimide/a content of the ...

LUBRICANT COMPOSITION

Provided is a lubricant composition that, even when the viscosity thereof has decreased, can suppress abrasion of bearings, etc. and scoring of gear tooth surfaces, etc. A lubricant composition that contains a lubricant base oil and a sulfur-based extreme pressure agent. The lubricant composition is characterized in that the amount of active sulfur in the extreme pressure agent is 5-30 mass % and in that the extreme pressure agent content of the lubricant composition is 5-15 mass % with respect to the mass of the whole composition. 1. A lubricant composition comprising a lubricant base oil and a sulfur-based extreme pressure agent , wherein the amount of active sulfur in the extreme pressure agent is from 5% to 30% by weight , and the content of the extreme pressure agent in the composition is from 5% to 15% by weight based on the total weight of the lubricant composition.2. The lubricant composition according to claim 1 , wherein the sulfur-based extreme pressure agent is a sulfurized olefin.3. The lubricant composition according to claim 1 , wherein the lubricant composition has a kinetic viscosity at 100° C. of 5 to 15 mm/s.4. The lubricant composition according to claim 1 , wherein at least a part of the lubricant base oil is a Fischer-Tropsch-derived base oil.5. The lubricant composition according to claim 1 , wherein at least a part of the lubricant base oil is a poly-α-olefin (PAO) base oil.6. The lubricant composition according to claim 1 , wherein the lubricant base oil has a kinetic viscosity at 100° C. of 5 to 15 mm/s.7. The lubricant composition according to claim 1 , which is used for transmissions.8. The lubricant composition according to claim 1 , which is used for differential gears.9. The lubricant composition according to claim 2 , wherein the lubricant composition has a kinetic viscosity at 100° C. of 5 to 15 mm/s.10. The lubricant composition according to claim 2 , wherein at least a part of the lubricant base oil is a Fischer-Tropsch-derived ...

USE OF BIODEGRADABLE HYDROCARBON FLUIDS AS DRILLING FLUIDS

The invention is a fluid having a kinematic viscosity from 3 to 6 mm/s, a flash point of higher than 120° C. and a pour point lower than −40° C., having a boiling point in the range of from 200° C. to 400° C. and a boiling range below 80° C., said fluid comprising more than 95% isoparaffins and less than 3% of naphthens by weight, a biocarbon content of at least 95% by weight, containing less than 100 ppm aromatics by weight. The invention is also a drilling fluid and the use of the fluid to improve the viscosity of the drilling fluid. 116.-. (canceled)17. Fluid having a kinematic viscosity at 40° C. from 3 to 6 mm2/s , a flash point of higher than 120° C. and a pour point lower than −40° C. , having a boiling point in the range of from 200° C. to 400° C. and a boiling range below 80° C. , said fluid comprising more than 95% isoparaffins and less than 3% of naphthens by weight , a biocarbon content of at least 95% by weight , containing less than 100 ppm aromatics by weight.18. Fluid of claim 17 , having a pour point lower than −50° C.19. Fluid of claim 17 , consisting of one fraction having an initial boiling point of at least 260° C. and a final boiling point of about less than about 320° C.20. Fluid of claim 17 , consisting of a mixture of two fractions claim 17 , each fraction having a boiling point in the range 220° C.-340° C. claim 17 , and a boiling range of less than 80° C. claim 17 ,where at least one fraction has an initial boiling point higher than 250° C., orwhere at least one fraction has an initial boiling point lower than 250° C.21. Fluid of claim 17 , consisting of a mixture of three fractions claim 17 , each fraction having a boiling point in the range 220° C.-340° C. claim 17 , and a boiling range of less than 80° C. claim 17 ,where at least one fraction has an initial boiling point higher than 250° C.,where at least one fraction has an initial boiling point lower than 250° C.22. Fluid of claim 17 , wherein the fluid is obtainable by the process ...

Method of Lubricating a Mechanical Device with High Pyrophosphate Level Lubricant

A lubricant composition is provided containing an oil of lubricating viscosity and a substantially sulfur-free alkyl phosphate amine salt, where at least 30 mole percent of the phosphorus atoms are in an alkyl pyrophosphate salt structure, along with either or both of a conventional phosphorous containing antiwear additive and a glycerol ester. In the phosphate amine salt, at least 80 mole percent of the alkyl groups are typically secondary alkyl groups of 3 to 12 carbon atoms. A method of improving wear over a wide temperature range in a mechanical device is also provided by employing the lubricant composition.

Lubricating oil composition for two wheeled vehicle, method for improving fuel economy of two wheeled vehicle using the lubricating oil composition, and method for producing the lubricating oil composition

The present invention provides a lubricating oil composition for two-wheeled vehicles, which is able to not only suppress a lowering of fatigue life of engine parts while making fuel saving properties (in particular, fuel saving properties at the time of low speed) favorable but also make clutch friction characteristics of two-wheeled vehicles favorable. The present invention is concerned with a lubricating oil composition for two-wheeled vehicles, including a base oil (A) having a viscosity index of 120 or more, an ethylene-propylene copolymer (B), and a metal-based detergent (C), wherein the content of the ethylene-propylene copolymer (B) is 0.30% by mass or more on the basis of the whole amount of the lubricating oil composition; the metal-based detergent (C) contains a calcium phenate (C1) and a calcium sulfonate (C2), and a mass ratio of the content (Ca 1 ) of the calcium phenate (C1) as expressed in terms of a calcium atom to the content (Ca 2 ) of the calcium sulfonate (C2) as expressed in terms of a calcium atom is satisfied with a relation of (1.0≤Ca 1 /Ca 2 ); and the lubricating oil composition has a kinematic viscosity at 100° C. is less than 9.3 mm 2 /s and an HTHS viscosity at 150° C. is 2.9 mPa·s or more.

LUBRICATING OIL COMPOSITION FOR FOUR STROKE ENGINE

The lubricating oil composition for four-stroke cycle engine of the present invention includes a base oil (A) and from 0.5 to 10% by mass of a polyolefin (B) having at least an isobutene-derived constituting unit and having a number average molecular weight of 500 to 10,000, with a sulfated ash content being from 0.3 to 1.2% by mass. 1. A lubricating oil composition for four-stroke cycle engine , comprising a base oil (A) and from 0.5 to 10% by mass of a polyolefin (B) having at least an isobutene-derived constituting unit and having a number average molecular weight of 500 to 10 ,000 , with a sulfated ash content being from 0.3 to 1.2% by mass.2. The lubricating oil composition for four-stroke cycle engine according to claim 1 , wherein the sulfated ash content is from 0.3 to 0.7% by mass.3. The lubricating oil composition for four-stroke cycle engine according to claim 2 , further comprising an overbased calcium salicylate (C1) having a base number of 170 to 400 mgKOH/g and a neutral metal-based detergent (C2) selected from a neutral calcium sulfonate having a base number of 50 mgKOH/g or less and a neutral calcium salicylate having a base number of 50 mgKOH/g or less; and having a calcium content of 500 to 1 claim 2 ,800 ppm by mass.4. The lubricating oil composition for four-stroke cycle engine according to claim 2 , further comprising a hindered phenol compound (F1) and an alkyldiphenylamine compound (F2) claim 2 , with a sum total of the contents thereof being more than 1.5% by mass and 5.0% by mass or less on the basis of a total amount of the composition.5. The lubricating oil composition for four-stroke cycle engine according to claim 2 , which is adapted to function as a lubricating oil composition for a four-stroke cycle engine in which a maximum power is 200 kW or more claim 2 , an operation at 60% or more of the maximum power is continued for 10 hours or more claim 2 , and an oil replacement cycle is 500 hours or more.6. The lubricating oil composition ...

High-Viscosity Metallocene Polyalpha-Olefins with High Electrohydrodynamic Performance

A PAO lubricant base stock having a KV100 of at least 200 cSt and comprising multiple PAO molecules comprising at least 200 carbon atoms per molecule, wherein each of the PAO molecules comprises multiple pendant groups; and the average pendant group length of all the pendant groups excluding one methyl on each of the PAO molecules among at least 90 mol % of all of the PAO molecules, if one or more methyl is present, is at least 6.0. The PAO base stock exhibits high EHL thicknesses at 40° C., 80° C., and 120° C., rendering it particularly useful in lubricant compositions experiencing high-stress events such as gear oils, automotive transmission oils, and the like. 1. A PAO base stock having a KV100 of at least 200 cSt and comprising multiple PAO molecules comprising at least 200 carbon atoms per molecule , wherein:each of the PAO molecules comprises multiple pendant groups; andthe average pendant group length of all the pendant groups on each PAO molecule among at least 90 mol % of all of the PAO molecules is at least 6.0.2. The PAO base stock of having a KV100 of at most 600 cSt.3. The PAO base stock of claim 1 , wherein at least 90 mol % of all of the PAO molecules contained therein comprise at least 300 carbon atoms per molecule.4. The PAO base stock of claim 1 , wherein at least 90 mol % of all of the PAO molecules comprise at most 1000 carbon atoms per molecule.5. The PAO base stock of claim 1 , wherein:in at least 90 mol % of all of the PAO molecules, at most 5 mol % of the pendant groups are bonded to adjacent carbon atoms on the main carbon chain of the respective PAO molecule.6. The PAO base stock of claim 1 , wherein:in at least 90 mol % of all of the PAO molecules, at least 90 mol % of the pendant groups are bonded to carbon atoms on the main carbon chain of the PAO molecule that is separated by only one intermediate carbon atom from the next carbon atom to which a pendant group is attached.7. The PAO base stock of claim 1 , wherein:in at least 90 mol % of ...

HYDROGENATED POLYMERS WITH A RADIAL STRUCTURE HAVING A CORE BASED ON CALIXARENES AND USE THEREOF IN LUBRICANT COMPOSITIONS

Hydrogenated polymers with a radial structure having a core made up of calixarenes of the general formula (I), to the core of which is linked a number P of hydrogenated linear polymer segments selected from: —hydrogenated homopolymers or copolymers of conjugated dienes; or —hydrogenated copolymers of said conjugated dienes and monoalkenyl arenes, and —mixtures thereof said formula (I) in which: —R, R, Rand Rare independently selected from hydrogen; a group containing carbon and hydrogen; a group also containing heteroatoms in addition to carbon and hydrogen; a group also containing silicon in addition to carbon, hydrogen and heteroatoms; —one of the two substituents Rand Ris hydrogen, while the other may be hydrogen or alkyl, with a number of carbon atoms between 1 and 6, preferably methyl and ethyl; —n is an integer in the range between 4 and 16. 2. Hydrogenated radial polymers according to claim 1 , in which the linear polymer segments are hydrogenated homopolymers or hydrogenated copolymers of conjugated dienes selected from butadiene claim 1 , isoprene claim 1 , 1 claim 1 ,3-pentadiene claim 1 , 2 claim 1 ,3-dimethyl-1 claim 1 ,3-butadiene claim 1 , 3-butyl-1 claim 1 ,3-octadiene claim 1 , 1-phenyl-1 claim 1 ,3-butadiene and 1 claim 1 ,3-hexadiene.3. Hydrogenated radial polymers according to claim 2 , in which the linear polymer segments are selected from homopolymers or copolymers of butadiene and isoprene.4. Hydrogenated radial polymers in which the linear polymer segments are hydrogenated copolymers of the conjugated dienes according to and of monoalkenyl arenes selected from styrene claim 2 , ortho-methylstyrene claim 2 , para-methylstyrene claim 2 , meta-methylstyrene claim 2 , tert-butylstyrene and monovinylnaphthalene.5. Hydrogenated radial polymers according to claim 4 , in which the linear polymer segments are hydrogenated copolymers of butadiene and styrene claim 4 , or hydrogenated copolymers of isoprene and styrene.6. Hydrogenated radial polymers ...

LUBRICATING OIL COMPOSITION

A lubricating oil composition includes: a lubricating base oil; a component (A) that is a metal detergent having a base value of less than 100 mgKOH/g; a component (B) that is a metal detergent having a base value of 100 mgKOH/g or more; a component (C) that is a tertiary amine represented by a formula (1) below, 2. The lubricant oil composition according to claim 1 , wherein the metal detergent as the component (A) is at least one selected from the group consisting of sulfonate claim 1 , phenate and salicylate of an alkaline earth metal.3. The lubricant oil composition according to claim 2 , wherein the alkaline earth metal is calcium.4. The lubricating oil composition according to claim 1 , wherein the metal detergent as the component (B) is at least one selected from the group consisting of sulfonate claim 1 , phenate and salicylate of an alkaline earth metal.5. The lubricant oil composition according to claim 4 , wherein the alkaline earth metal is calcium.6. The lubricating oil composition according to claim 1 , wherein a content of metal derived from the component (A) is 0.002 mass % or more of a total amount of the lubricating oil composition.7. The lubricating oil composition according to claim 1 , wherein a content of metal derived from the component (B) is 0.01 mass % or more of the total amount of the lubricating oil composition.8. The lubricating oil composition according to claim 1 , wherein the component (D) is at least one selected from the group consisting of phosphate claim 1 , acid phosphate claim 1 , phosphite and acid phosphite.9. The lubricating oil composition according to claim 1 , wherein a content of phosphorous derived from the component (D) is 0.02 mass % or more of the total amount of the lubricating oil composition.10. The lubricating oil composition according to claim 1 , wherein a content of nitrogen derived from the component (C) is 0.005 mass % or more of the total amount of the lubricating oil composition.11. The lubricating oil ...

STAR POLYMERS AND COMPOSITIONS THEREOF

The invention provides a composition comprising: (a) a star polymer comprising: (i) a core portion comprising a polyvalent (meth) acrylic monomer, oligomer or polymer thereof or a polyvalent divinyl non-acrylic monomer, oligomer or polymer thereof; and (ii) at least two arms of polymerized alkyl (meth)acrylate ester; and (b) an oil of lubricating viscosity, wherein the core portion further comprises a functional group of formula (I): 1. (canceled)2. The composition of wherein the star polymer comprises greater than about 7 arms.3. The composition of wherein the star polymer comprises greater than about 10 arms.4. The composition of wherein the polyvalent (meth) acrylic monomer is an acrylic or methacrylic acid polyol or a condensation product of a polyamine.5. The composition of claim 4 , wherein the polyvalent unsaturated (meth) acrylic monomer is ethylene glycol diacrylate claim 4 , ethylene glycol dimethacrylate claim 4 , diethylene glycol diacrylate claim 4 , diethylene glycol dimethacrylate claim 4 , glycerol diacrylate claim 4 , glycerol triacrylate claim 4 , mannitol hexaacrylate claim 4 , 4-cyclohexanediol diacrylate claim 4 , 1 claim 4 ,4-benzenediol dimethacrylate claim 4 , pentaerythritol tetraacrylate claim 4 , 1 claim 4 ,3-propanediol diacrylate claim 4 , 1 claim 4 ,5-pentanediol dimethacrylate claim 4 , bis-acrylates and methacrylates of polyethylene glycols of molecular weight 200-4000 claim 4 , polycaprolactonediol diacrylate claim 4 , pentaerythritol triacrylate claim 4 , 1 claim 4 ,1 claim 4 ,1-trimethylolpropane triacrylate claim 4 , pentaerythritol diacrylate claim 4 , pentaerythritol triacrylate claim 4 , pentaerythritol tetraacrylate claim 4 , triethylene glycol diacrylate claim 4 , triethylene glycol dimethacrylate claim 4 , 1 claim 4 ,1 claim 4 ,1-trimethylolpropane trimethacrylate claim 4 , hexamethylenediol diacrylate or hexamethylenediol dimethacrylate or an alkylene bis-(meth)acrylamide.611-. (canceled)12. The composition of wherein the ...

LUBRICATING OIL COMPOSITIONS

A lubricating oil composition which contains, or is made by admixing: 2. A composition as claimed in claim 1 , wherein the one or more oil-soluble or oil-dispersible sulfurized fatty acid ester(s) is a sulfurized Cto Caliphatic hydrocarbyl fatty acid alkyl ester claim 1 , a sulfurized Cto Caliphatic hydrocarbyl fatty acid glycerol ester claim 1 , or a mixture thereof.3. A composition as claimed in claim 2 , wherein the one or more oil-soluble or oil-dispersible sulfurized fatty acid ester(s) is a sulfurized Cto Caliphatic hydrocarbyl fatty acid methyl ester.4. A composition as claimed in claim 1 , wherein the one or more oil-soluble or oil-dispersible sulfurized fatty acid ester(s) is derived from sulfurizing a vegetable oil and/or a trans-esterified product of a vegetable oil.5. A composition as claimed in claim 5 , wherein the one or more oil-soluble or oil-dispersible sulfurized fatty acid ester(s) is derived from sulfurizing palm oil claim 5 , corn oil claim 5 , grapeseed oil claim 5 , coconut oil claim 5 , cottonseed oil claim 5 , wheatgerm oil claim 5 , soya oil claim 5 , safflower oil claim 5 , olive oil claim 5 , peanut oil claim 5 , rapeseed oil claim 5 , sunflower oil claim 5 , or a trans-esterified product thereof claim 5 , or a combination thereof.6. A composition as claimed in claim 1 , wherein the one or more sulfurized fatty acid ester(s) has a sulphur content of from 5 to 20 mass %.7. A composition as claimed in claim 2 , wherein the one or more sulfurized fatty acid ester(s) has a sulphur content of from 5 to 20 mass %.8. A composition as claimed in claim 3 , wherein the one or more sulfurized fatty acid ester(s) has a sulphur content of from 5 to 20 mass %.9. A compositions as claimed in claim 1 , wherein the one or more oil-soluble or oil-dispersible alkali metal or alkaline earth metal salicylate detergent(s) is an overbased alkali metal or alkaline earth metal salicylate detergent having a TBN at 100% active mass of at least 150 mg KOH/g.10. A ...

PIB AS HIGH VISCOSITY LUBRICANT BASE STOCK

Lubricant composition comprising a polyisobutene polymer having a number average molecular weight of 300-5000 g/mol and at least 60 mol % terminal double bonds based on the total number of double bonds in the polymer, and an ester component and/or an alkylated naphthalene compound having kinematic viscosity in the range of 2 to 15 mm/s at 100° C. 113.-. (canceled)14. A lubricant composition comprisinga) 9.0 to 94.0 wt % based on the total amount of lubricant composition of a polyisobutene polymer having a number average molecular weight of 300-5000 g/mol according to DIN 55672 and at least 60 mol % terminal double bonds based on the total number of double bonds in the polymer, and{'sup': '2', 'b) 5 to 50 wt % based on the total amount of lubricant composition of an ester component having kinematic viscosity according to DIN 51562-1 in the range of 2 to 15 mm/s at 100° C.,'}wherein the ratio of the polyisobutene polymer a) to the ester component b) is from 1:12 to 12:1 based on the relative weight of these components in the lubricant composition.15. The lubricant composition according to claim 14 , further comprising 20 to 80 wt % of a base oil component.16. The lubricant composition according to claim 15 , wherein the base oil component comprises a polyalphaolefin and/or a Group II and/or Group III mineral oil.17. The lubricant composition according to claim 16 , wherein the base oil component comprises a polyalphaolefin 4 claim 16 , polyalphaolefin 6 and/or polyalphaolefin 8.18. The lubricant composition according to claim 17 , wherein the base oil component comprises a polyalphaolefin 6.19. The lubricant composition according to claim 14 , wherein the composition does not include an ethylene/propylene copolymer.20. The lubricant composition according to claim 14 , wherein the composition does not include a polyisobutene polymer having less than 60 mol % terminal double bonds.21. The lubricant composition according to claim 14 , wherein the composition does not ...

LUBRICANTS CONTAINING QUATERNARY AMMONIUM COMPOUNDS

A driveline device is lubricated with a composition of an oil of lubricating viscosity and an oil-soluble quaternary ammonium compound, such as a succinimide or succinamide material or dispersant further containing a quaternary nitrogen atom, and a thiadiazole compound. 1. A method for lubricating a driveline device , comprising supplying thereto a composition comprising:(a) an oil of lubricating viscosity;(b) an oil-soluble quaternary ammonium compound comprising a hydrocarbyl-substituted imide or amide, further containing a quaternary nitrogen atom and a carbon-containing anion other than an acetate anion or other than an alkyl carboxylate anion wherein the quaternary nitrogen is bonded to four carbon atoms by four single bonds; and(c) a thiadiazole compound.2. The method of wherein the imide or amide is a succinimide or succinamide.3. The method of wherein the hydrocarbyl-substituent of the imide or amide contains about 12 to about 500 carbon atoms.4. The method of wherein the anion is a hydrocarbylsulfate anion claim 1 , a hydrocarbylsulfonate anion claim 1 , an alkyl oxalate anion claim 1 , or a hydroxybenzoate anion claim 1 , or wherein the anion is covalently bonded to the quaternary nitrogen atom in a zwitterionic structure.5. The method of wherein the anion is an alkylsulfate anion wherein the alkyl group contains 1 to about 30 carbon atoms or an alkylarylsulfonate anion wherein the alkyl group contains 1 to about 30 carbon atoms.6. The method of wherein the anion is a methyl sulfate anion.7. The method of wherein the quaternary ammonium compound comprises the reaction product of a hydrocarbyl-substituted succinic acid or anhydride and an N claim 1 ,N-dialkylpropylenediamine (especially N claim 1 ,N-dimethylpropylenediamine) claim 1 , which reaction product is quaternized.11. The method of wherein the amount of the quaternary ammonium compound in the lubricant is about 0.1 to about 5 or about 0.5 to about 5 weight percent (active chemical basis).12. The ...

FUEL ECONOMY ENGINE OIL COMPOSITION

The present invention is directed to a lubricating oil additive containing a vicinal diol and a particular detergent blend typically is low viscosity base oils whereby exhibiting improved fuel economy. In this respect, disclosed is a lubricating oil composition comprising: a major amount of base oil of lubricating viscosity; a friction modifier which is selected from the group consisting of C-Calkane 1,2-diols and C-Calkene 1,2-diols; an overbased alkyl alkaline earth metal hydroxybenzoate detergent having a metal ratio less than 3.0; and an overbased alkyl calcium sulfonate or an overbased alkyl calcium hydroxybenzoate having a metal ratio of 3.5 or greater. 1. An internal combustion engine lubricating oil composition comprising:a. a major amount of base oil of lubricating viscosity, wherein the base oil of lubricating viscosity has a viscosity index of greater than 110;{'sub': 10', '30', '10', '30, 'b. a friction modifier which is selected from the group consisting of C-Calkane 1,2-diols and C-Calkene 1,2-diols;'}c. an overbased alkyl alkaline earth metal hydroxybenzoate detergent having a metal ratio less than 3.0; and 'wherein the internal combustion engine lubricating oil composition has a HTHS viscosity of less than 2.6 mPa·s at 150° C. as determined by ASTM D4683.', 'd. an overbased alkyl calcium sulfonate or an overbased alkyl calcium hydroxybenzoate having a metal ratio of 3.5 or greater;'}2. The internal combustion engine lubricating oil composition according to claim 1 , wherein the friction modifier is selected from the formula R—CH(OH)CH(OH) wherein Ris alkyl containing from 8 to 28.3. The internal combustion engine lubricating oil composition according to claim 2 , wherein the friction modifier is a C-Calkane 1 claim 2 ,2-diol derived from a linear alkyl containing from 14 to 18 carbon atoms.4. The internal combustion engine lubricating oil composition according to claim 3 , wherein the friction modifier is in amount from 0.02 to 5.0 wt. % based upon ...

LUBRICANT COMPOSITION BASED ON METAL NANOPARTICLES

The present disclosure relates to a lubricant composition including an anti-wear additive and metal nanoparticles. The lubricant composition according to the disclosure has, simultaneously, good stability as well as good, long-lasting friction properties. 1. A lubricant composition comprising a kinematic viscosity at 100° C. measured according to standard ASTM D445 ranging from 4 to 50 cSt and further comprising at least one base oil , at least one compound comprising a dithiophosphate group and metal nanoparticles at a content by weight ranging from 0.01 to 2% with respect to a total weight of the lubricant composition.2. The lubricant composition according to claim 1 , wherein the metal of which the metal nanoparticle is included is selected from a group comprising one of: tungsten claim 1 , molybdenum claim 1 , zirconium claim 1 , hafnium claim 1 , platinum claim 1 , rhenium claim 1 , titanium claim 1 , tantalum claim 1 , niobium claim 1 , cerium claim 1 , indium and tin.3. The lubricant composition according to claim 1 , wherein the metal nanoparticles are selected from a group comprising one of: MoS claim 1 , MoSe claim 1 , MoTe claim 1 , WS claim 1 , WSe claim 1 , ZrS claim 1 , ZrSe claim 1 , HfS claim 1 , HfSe claim 1 , PtS claim 1 , ReS claim 1 , ReSe claim 1 , TiS claim 1 , ZrS claim 1 , ZrSe claim 1 , HfS claim 1 , HfSe claim 1 , TiS claim 1 , TaS claim 1 , TaSe claim 1 , NbS claim 1 , NbSeand NbTe.4. The lubricant composition according to claim 1 , wherein the metal nanoparticles are concentric polyhedrons with a multilayer or sheet structure.5. The lubricant composition according to claim 1 , wherein the content by weight of the metal nanoparticles ranges from 0.05 to 2% with respect to the total weight of the lubricant composition.6. The lubricant composition according to claim 1 , wherein an average size of the metal nanoparticles ranges from 5 to 600 nm.7. The lubricant composition according to claim 1 , wherein the compound comprising a ...

GREASE COMPOSITION AND GREASE-FILLED WHEEL BEARING

Provided is a grease composition for a wheel bearing, containing (a) a base oil consisting of a mineral oil and a synthetic hydrocarbon oil, wherein the ratio of the synthetic hydrocarbon oil to the total amount of the mineral oil and the synthetic hydrocarbon oil is 40 to 60 mass %, and the base oil has a kinematic viscosity at 40° C. of 40 to 65 mm/s; (b) a thickener of formula (A) wherein Ris diphenylmethane, and Rand R, which may be the same or different from each other, each represent cyclohexyl group or a straight-chain or branched alkyl group having 16 to 20 carbon atoms, with a molar ratio of the cyclohexyl group to the total number of moles of the cyclohexyl group and the alkyl group being 50 to 90 mol %; (c) an amine type antioxidant; and (d) an amine phosphate type antiwear agent. 2. The grease composition of claim 1 , wherein the amine phosphate type antiwear agent is a tertiary alkylamine-dimethyl phosphate claim 1 , which is contained in an amount of 0.05 to 5 mass % based on the total mass of the grease composition.3. The grease composition of claim 1 , further comprising a rust inhibitor comprising an organic sulfonate and an amine compound.4. The grease composition of claim 3 , wherein the organic sulfonate is a calcium sulfonate claim 3 , which is contained in an amount of 0.05 to 5 mass % based on the total mass of the grease composition.5. The grease composition of claim 3 , wherein the amine compound is an amine salt of a fatty acid claim 3 , which is contained in an amount of 0.05 to 5 mass % based on the total mass of the grease composition.6. The grease composition of claim 1 , further comprising zinc dialkyldithiocarbamate claim 1 , which is contained in an amount of 0.05 to 5 mass % based on the total mass of the grease composition.7. A wheel bearing where the grease composition of is enclosed. The present invention relates to a grease composition to be filled in a wheel bearing, which can satisfy the low torque performance, and show the ...

Novel Ester Compounds, Method for the Preparation Thereof and Use Thereof

Ester compounds, such as for use in a lubricant, are based on di-, tri- or higher functional carboxylic acids according to formula (I) 2. The ester compound as claimed in claim 1 , in which the radical Z is selected from the group consisting of hydrogenated or non-hydrogenated dimer acid claim 1 , hydrogenated or non-hydrogenated trimer acid claim 1 , phthalic acid claim 1 , itaconic acid claim 1 , oxalic acid claim 1 , 2 claim 1 ,2′-thiodiacetic acid claim 1 , 3 claim 1 ,3′-thiodipropionic acid claim 1 , admergic acid claim 1 , 2 claim 1 ,5-furandicarboxylic acid claim 1 , cyclohexane-1 claim 1 ,4-dicarboxylic acid claim 1 , cyclohexane-1 claim 1 ,2-dicarboxylic acid claim 1 , phenyl succinic acid claim 1 , diglycolic acid.4. The ester compound as claimed in claim 3 , in which the radical Z is selected from the group consisting of hydrogenated or non-hydrogenated dimer acid claim 3 , phthalic acid claim 3 , oxalic acid claim 3 , 2 claim 3 ,2′- thiodiacetic acid claim 3 , 3 claim 3 ,3′-thiodipropionic acid claim 3 , admergic acid claim 3 , cyclohexane-1 claim 3 ,4-dicarboxylic acid claim 3 , cyclohexane-1 claim 3 ,2-dicarboxylic acid claim 3 , phenylsuccinic acid claim 3 , diglycolic acid.6. The method for producing the ester compound of the general formula (I) or (II) as claimed in claim 5 , in which the unsaturated fatty acid is selected from the group consisting of oleic acid and erucic acid; the alcohol is selected from the group consisting of 2-ethylhexan-1-ol claim 5 , 2-hexyldecan-1-ol claim 5 , 2-octyldodecan-1-ol claim 5 , 2-propylheptan-1-ol and isoamyl alcohol and the catalyst in reaction step (A) is perchloric acid and in reaction step (D) is p-toluenesulfonic acid.7. A method for producing the ester compound of the general formulae (I) or (II) obtainable by(A) reacting a di-, tri- or higher functional carboxylic acid with a long-chain fatty acid having hydroxyl groups in the presence of a catalyst at 120 to 150° C.,(B) reducing the pressure,(C) ...

FURNITURE LUBRICANT

A furniture lubricant for coating a linear lacquered furniture slide bar to provide a slide layer with lowered friction. The furniture lubricant comprises a C10 to C28 alkane and a tri-glyceride. The viscosity, according to ISO 3104:1994/COR 1:1997, of the furniture lubricant at 40° C. is 20 to 80 mm/s. 1. A furniture lubricant for coating a lacquered furniture slide bar to provide a slide layer with lowered friction for a least one plastic furniture sliding member , the interface between the slide layer of the furniture slide bar and the sliding member forming a linear plain bearing to allow for movement of the sliding member along the furniture slide bar , wherein the furniture lubricant comprises a C10 to C28 alkane and a tri-glyceride , the viscosity , according to ISO 3104:1994/Cor 1: 997 , of the furniture lubricant at 40° C. being 20 to 80 mm/s.2. The furniture lubricant according to claim 1 , wherein the furniture lubricant further comprises an anti-oxidant.3. The furniture lubricant according to claim 2 , wherein the anti-oxidant is selected from the group consisting of tocopherols and sterically hindered phenols.4. The furniture lubricant according to claim 1 , wherein the furniture lubricant comprises a mixture of at least two different tri-glycerides claim 1 , and/or a mixture of at least two different C10 to C28 alkanes.5. The furniture lubricant according to claim 1 , wherein the furniture lubricant comprises at least 50 wt. % of a C10 to C28 alkane or a mixture of C10 to C28 alkanes claim 1 , and 1 to 50 wt. % of a tri-glyceride claim 1 , or a mixture of tri-glycerides.6. The furniture lubricant according to claim 5 , wherein the furniture lubricant comprises at least 60 wt. % of a C10 to C28 alkane claim 5 , or a mixture of C10 to C28 alkanes claim 5 , and 5 to 40 wt. % of a tri-glyceride claim 5 , or a mixture of tri-glycerides.7. The furniture lubricant according to claim 6 , wherein the furniture lubricant comprises at least 70 wt. % of a C10 to ...

LUBRICATING OIL COMPOSITION

A lubricating oil composition which achieves extended anti-shudder durability without causing a decrease in the metal-to-metal friction coefficient, even when the viscosity of the composition is reduced. The lubricating oil composition includes (A) a lubricant base oil, (C) (C-1) a succinimide compound or boronated succinimide compound having a weight-average molecular weight of 4,000 to 7,000, (C-2) a succinimide compound or boronated succinimide compound having a weight-average molecular weight of more than 7,000 to 10,000, and (D) a phosphorus-based extreme pressure agent, the lubricating oil composition does not include zinc dithiophosphate and may optionally include a sulfur-based extreme pressure agent, provided that the content of sulfur-based extreme pressure agent is no more than 0.1 percent by weight of the lubricating oil composition. 1. A lubricating oil composition comprising(A) a lubricant base oil,(C) (C-1) a succinimide compound or a boronated succinimide compound having a weight-average molecular weight of 4,000 to 7,000, and (C-2) a succinimide compound or a boronated succinimide compound having a weight-average molecular weight of more than 7,000 and not more than 10,000, and 'wherein the lubricating oil composition does not comprise zinc dithiophosphate, and the lubricating oil composition may optionally comprise a sulfur-based extreme pressure agent, provided that a content of the sulfur-based extreme pressure agent is not more than 0.1 percent by weight based on the lubricating oil composition.', '(D) a phosphorus-based extreme pressure agent,'}2. The lubricating oil composition according to claim 1 , comprising claim 1 , as a part or all of the component (A) claim 1 , 5 to 30 percent by weight claim 1 , based on a total weight of the lubricating oil composition claim 1 , of a poly-α-olefin or α-olefin copolymer having a kinematic viscosity at 100° C. of 6 to 80 mm/s claim 1 , and further comprising (B) a polymethacrylate having a weight- ...

LUBRICANT WITH HIGH PYROPHOSPHATE LEVEL

A lubricant composition comprising an oil of lubricating viscosity and 0.01 to 5 percent by weight of a substantially sulfur-free alkyl phosphate amine salt, where at least 30 mole percent of the phosphorus atoms are in an alkyl pyrophosphate salt structure, exhibits good antiwear performance. In the phosphate amine salt, at least 80 mole percent of the alkyl groups are typically secondary alkyl groups of 3 to 12 carbon atoms. 1. A lubricant composition comprising an oil of lubricating viscosity and about 0.01 to about 5 percent by weight of a substantially sulfur-free alkyl phosphate amine salt wherein at least about 30 mole percent of the phosphorus atoms are in an-alkyl pyrophosphate salt structure; wherein at least about 80 mole percent of the alkyl groups are secondary alkyl groups of about 3 to about 12 carbon atoms.4. The lubricant composition of wherein the alkyl phosphate amine salt is prepared or preparable by the reaction of phosphorus pentoxide with a secondary alcohol having about 4 to about 12 carbon atoms and reacting the product thereof with an amine.5. The lubricant composition of wherein the amine is a hydrocarbyl amine.6. The lubricant composition of wherein the amine comprises 2-ethylhexylamine.7. The lubricant composition of wherein the amine comprises an N-hydrocarbyl-substituted γ- or δ-amino(thio)ester.9. The lubricant composition of wherein claim 4 , in the reaction to prepare the alkyl phosphate amine salt claim 4 , the phosphorus pentoxide is reacted with about 2 to about 3.1 moles per mole of PO claim 4 , of the secondary alcohol at a temperature of about 30° C. to about 60° C.10. The lubricant composition of wherein claim 4 , in the reaction to prepare the alkyl phosphate amine salt claim 4 , the phosphorus pentoxide is reacted with about 2.2 to about 2.4 moles claim 4 , per mole of PO claim 4 , of the secondary alcohol at a temperature of about 50° C. to about 60° C.11. The lubricant composition of wherein the alkyl phosphate amine salt ...

ADDITIVES FOR FUELS AND OILS COMPRISING FUNCTIONALISED DIBLOCK COPOLYMERS

Concentrates containing specific functionalised diblock copolymers serve as effective additives for improving the cold flow behaviour of fuels and oils, the copolymers being derived from a terminally-unsaturated intermediate polymer obtained via a metallocene process involving hydrogen. 4. The process of claim 1 , wherein R′ represents n-butyl.5. The process of claim 1 , wherein claim 1 , in the compound of formula (I) claim 1 , the aromatic ring substituent joined to the second block is positioned meta to the substituent joined to the first block.6. The process of wherein the third step c) is an anionic polymerisation reaction claim 1 , wherein the terminal double bond of the intermediate of formula (II) is reacted with a metallating reagent to form an anion which initiates polymerisation therefrom upon the addition of one or more α claim 1 ,β—unsaturated monomers selected from styrene claim 1 , substituted styrene claim 1 , acrylate claim 1 , methacrylate and diene compounds.8. The process of wherein the metallating reagent comprises n-butyl lithium or sec-butyl lithium.12. The intermediate of wherein each R group independently represents an alkyl group having from 1 to 4 carbon atoms.13. The intermediate of wherein each R group independently represents a methyl group.14. The intermediate of wherein R′ represents n-butyl.15. The intermediate of wherein the other aromatic ring substituent is positioned meta to the substituent joined to the first block.16 claim 15 , The intermediate of wherein the first block consists of a polyethylene chain.17. The intermediate of wherein the first block has a number average molecular weight (Mn) claim 16 , as measured by GPC against polystyrene standards claim 16 , in the range of 500 to 20000 g mol.18. The intermediate of wherein each R group independently represents an alkyl group having from 1 to 4 carbon atoms.19. The intermediate of wherein each R group independently represents a methyl group.20. The intermediate of wherein R ...

LUBRICATION OF AN AUTOMATIC TRANSMISSION WITH REDUCED WEAR ON A NEEDLE BEARING

A lubricant composition comprising (a) an oil having a kinematic viscosity at 100° C. of 2.2 to 3.7 mm/s; at least one borate ester having an alkyl group of 4 to 18 carbon atoms in an amount to provide 25 to 150 parts per million by weight boron to the composition; and (c) at least one phosphorus ester in an amount to provide 150 to 650 parts per million by weight phosphorus to the composition, wherein the kinematic viscosity at 100° C. of the lubricant composition is less than or equal to 4.7 mm/s, provides wear resistance to a needle bearing in an automatic transmission. 1. A lubricant composition comprising:{'sup': '2', '(a) an oil having a kinematic viscosity at 100° C. of about 2.2 to about 3.7 mm/s;'}(b) at least one borate ester having an alkyl group of 4 to about 18 carbon atoms in an amount to provide about 25 to about 100, parts per million by weight boron to the composition; and(c) at least one phosphorus ester in an amount to provide about 150 to about 650 parts per million by weight phosphorus to the composition;(d) the viscosity index modifier comprise a linear polymer viscosity modifier having dispersant functionality, wherein the linear polymer has aweight average molecular weight of 5,000 to 25,000, and wherein said linear polymer is present in an amount of about 0.1 to about 4 weight percent.{'sup': '2', 'wherein the kinematic viscosity at 100° C. of the lubricant composition is less than or equal to about 4.7 mm/s.'}2. The lubricant composition of wherein:the amount of the at least one borate ester (b) is about 0.1 to about 1.1 percent by weight, or 0.15 to about 0.7 percent by weight; andthe amount of the at least one phosphorus ester (c) is about 0.05 to about 0.40 percent by weight.3. The lubricant composition of wherein the composition comprises about 100 to about 500 parts per million boron and about 150 to about 1000 parts per million phosphorus.4. The lubricant composition of wherein the oil of component (a) comprises an API Group II or ...

LUBRICATING OIL COMPOSITIONS COMPRISING A HEAVY HIGH SATURATES BASE OIL

A lubricating oil composition comprising a heavy high saturates base oil is provided. Methods for using said lubricant composition for lubricating an engine, a gear box, and in general industrial lubricant applications, including as a bearing and circulating oil, are also provided. 1. A lubricating oil composition comprising a heavy high saturates base oil.2. A lubricating oil composition according to claim 1 , wherein the heavy high saturates base oil comprises more than 80 wt % saturated hydrocarbons.3. A lubricating oil composition according to or claim 1 , wherein the heavy high saturates base oil has a viscosity index of greater than 80.4. A lubricating oil composition according to any one of to claim 1 , wherein the heavy high saturates base oil has a kinematic viscosity at 100° C. of at least 12 mm/s.5. A lubricating oil composition according to any one of to claim 1 , wherein the pour point is −5° C. or lower.6. Use of lubricating oil composition according to any one of to for lubricating an engine claim 1 , an industrial gear box claim 1 , an automotive gear box claim 1 , and use as a lubricant in general industrial lubricant applications including as a bearing and circulating oil. The invention relates to a lubricating oil composition comprising a heavy high saturates base oil. Furthermore, the present invention relates to the use of said lubricant composition for lubricating an engine, a gear box, and use as a lubricant in general industrial lubricant applications, including as a bearing and circulating oil.Heavy lubricants comprising high viscosity base oils are typically used in heavy load and/or high speed applications where base oils having a lower viscosity would not provide sufficient lubrication. Currently, many high viscosity base oils are derived from crude oils and are commercially manufactured using a solvent refining process.High viscosity base oils derived from crude oils and manufactured using solvent extraction and solvent dewaxing ...

Motor Oil Blend and Method for Reducing Wear on Steel and Eliminating ZDDP in Motor Oils by Modifying the Plastic Response of Steel

An environmentally-improved motor oil blend and related methods for properly lubricating components of an engine and favorably modifying a plastic response of components of the engine, the blend being free of zinc di-alkyl-di-thiophosphates (ZDDP) and free of zinc di-thiophosphate (ZDTP), comprising: a motor oil selected from the motor oil group consisting of Group I, Group II, Group III, Group IV, and Group V motor oils; a motor oil additive comprising alpha-olefins and hydroisomerized hydro-treated severe hydrocracked base oil; ZDDP omitted from the chemical constituents of the motor oil; and ZDTP omitted from the chemical constituents of the motor oil. 1. An environmentally-improved motor oil blend for properly lubricating components of an engine and favorably modifying a plastic response of components of the engine , said blend being free of zinc di-alkyl-di-thiophosphates (ZDDP) and free of zinc di-thiophosphate (ZDTP) , comprising:a motor oil selected from the motor oil group consisting of Group I, Group II, Group III, Group IV, and Group V motor oils;a motor oil additive comprising alpha-olefins and hydroisomerized hydro-treated severe hydrocracked base oil;ZDDP omitted from the chemical constituents of said motor oil; andZDTP omitted from the chemical constituents of said motor oil.2. The motor oil blend of claim 1 , further comprising:from 85% to 95% by volume of said motor oil; andfrom 5% to 15% by volume of said motor oil additive.3. The motor oil blend of claim 1 , said motor oil additive further comprising synthetic sulfonates.4. The motor oil blend of claim 3 , said synthetic sulfonates comprising thixotropic calcium sulfonates.5. The motor oil blend of claim 1 , said alpha-olefins comprising polymerized alpha-olefins.6. The motor oil blend of claim 5 , said polymerized alpha-olefins comprising metallocene polymerized alpha-olefins.7. The motor oil blend of claim 1 , said motor oil additive further comprising vacuum distilled non-aromatic solvent.8. ...

HYDRAULIC OIL COMPOSITIONS WITH IMPROVED HYDROLYTIC AND THERMO-OXIDATIVE STABILITY

The present disclosure provides a lubricating composition that includes at least one lubricating base oil, an effective amount of at least one overbased detergent; and an effective amount of at least one thermally stable zinc dialkyl dithiophosphate. The disclosure further provides methods of making and using the same. 1. A hydraulic oil composition comprising:at least one lubricating base oil;an effective amount of at least one overbased detergent; andan effective amount of at least one thermally stable zinc dialkyl dithiophosphate (ZDDP).2. The composition of claim 1 , wherein at least one of:the effective amount of the overbased detergent is no greater than about 3 wt. %;the effective amount of the thermally stable ZDDP ranges from about 0.01 wt. % to about 3 wt. %; ora combination thereof.3. The composition of claim 1 , wherein at least one of:the overbased detergent includes at least one of calcium, magnesium, sodium, barium, or a combination thereof;the overbased detergent is at least one of an overbased sulfonate, an overbased phenate, an overbased salicylate, or a combination thereof; ora combination thereof.4. The composition of claim 1 , wherein the overbased detergent includes at least one of overbased sulfurized calcium phenate detergent claim 1 , overbased magnesium sulfonate detergent claim 1 , overbased calcium phenate detergent claim 1 , overbased calcium sulfonate detergent claim 1 , or a combination thereof.5. The composition of claim 1 , wherein the thermally stable ZDDP includes at least one of a primary ZDDP claim 1 , a branched primary ZDDP claim 1 , or a combination thereof.6. The composition of claim 1 , wherein the lubricating base oil or oils comprise at least one of: a Group I oil claim 1 , a Group II oil claim 1 , a Group III oil claim 1 , a Group IV oil claim 1 , a Group V oil claim 1 , a gas-to-liquid oil claim 1 , a polyalphaolefin claim 1 , or combinations thereof.7. The composition of claim 1 , wherein the lubricating base oil or ...

LUBRICATING OIL COMPOSITION, LUBRICATING METHOD, AND TRANSMISSION

Provided are a lubricating oil composition containing a mineral oil (1) having a kinematic viscosity at 100° C. of 2 mm/s or more and less than 2.5 mm/s, and a polymethacrylate (2) having a functional group containing an oxygen atom in the molecule while having a specific structural, unit, which satisfies both high viscosity index and high shear stability, and a lubrication method and a transmission using the lubricating oil composition. 2. The lubricating oil composition according to claim 1 , wherein the functional group is a hydroxy group.3. The lubricating oil composition according to claim 1 , wherein the mass average molecular weight of the polymethacrylate is 5 claim 1 ,000 or more and 100 claim 1 ,000 or less.4. The lubricating oil composition according to claim 1 , wherein the content of the polymethacrylate is 1% by mass or more and 15% by mass or less based on the total amount of the composition.5. The lubricating oil composition according to claim 1 , having a kinematic viscosity at 100° C. of 4 mm/s or more and 7 mm/s or less.6. The lubricating oil composition according to claim 1 , having a viscosity index of 232 or more.7. The lubricating oil composition according to claim 1 , wherein the rate of change in kinematic viscosity at 40° C. of the composition claim 1 , as calculated according to the following method claim 1 , is 5% or less:Method for calculating rate of change in kinematic viscosity at 40° C.;{'sub': 1', '0', '0', '1', '0, 'with respect to an ultrasonically-treated composition obtained by irradiating a lubricating oil composition with ultrasonic waves for 60 minutes according to JASO M347-95 and an untreated lubricating oil composition, their kinematic viscosity at 40° C. (v, v) is measured according to JIS K2283:2000, and the rate of reduction ((v−v)/v×100) is referred to as the rate of change in kinematic viscosity at 40° C.'}8. The lubricating oil composition according to claim 1 , which is for transmissions.9. A lubrication method ...

LUBRICANTS CONTAINING BLENDS OF POLYMERS

A lubricant composition comprising (a) an oil of lubricating viscosity; (b) a (meth)-acrylate-containing polymer comprising a multiplicity of arms containing at least 20 carbon atoms, said arms being attached to a multivalent organic moiety; and (c) an ethylene/olefin copolymer having a weight average molecular weight of about 10,000 to about 250,000, wherein the copolymer comprises about 40 to about 70 weight percent polymerized ethylene monomers and optionally further comprises polymerized propylene monomers; exhibits good viscometric and antiwear properties. 1. A lubricant composition comprising:(a) an oil of lubricating viscosity;(b) a (meth)acrylate-containing polymer comprising a multiplicity of arms wherein the arms contain at least about 20 carbon atoms, said arms being attached to a multivalent organic moiety; and(c) an ethylene/olefin copolymer having a weight average molecular weight of about 5000 to about 250,000, wherein the copolymer comprises about 40 to about 70 weight percent polymerized ethylene monomer and further comprises one or more polymerized olefin monomers of 3 to 6 carbon atoms.2. (canceled)3. The lubricant composition of wherein said arms are polymeric entities comprising alkyl (meth)acrylate monomer units.4. The lubricant composition of wherein said arms are polymeric entities comprising comonomers of C10-C18 alkyl methacrylate groups and C1-C9 alkyl methacrylate groups.5. The lubricant composition of wherein the arms comprise random copolymers or block copolymers.6. (canceled)7. The lubricant composition of wherein the number of arms attached to the multivalent organic moiety is 3 to 20.8. The lubricant composition of wherein the number average molecular weight of the arms is about 10 claim 1 ,000 to about 200 claim 1 ,000.9. (canceled)10. The lubricant composition of wherein the (meth)-acrylate-containing polymer comprises a star polymer with multiple arms linked to a core.11. The lubricant composition of wherein the core comprises ...

Composition and Method of Manufacturing Calcium Magnesium Sulfonate Greases

A sulfonate-based grease composition and method of manufacture comprising (1) addition of both overbased calcium sulfonate and overbased magnesium sulfonate in a ratio range of 60:40 to 100:1, with the magnesium sulfonate added all at once, a portion prior to conversion and another portion after conversion, and/or one more delay periods between the addition of water or other reactive ingredient and the addition of magnesium sulfonate; (2) one or more delay periods between the addition of at least a portion of a facilitating acid and at least a portion of the next subsequently added ingredient; (3) no conventional non-aqueous converting agents added prior to conversion; or (4) a combination thereof. The grease has a high dropping point and reduced thickener yield. 1. A highly rheopectic sulfonate-based grease composition comprising the following ingredients:an overbased calcium sulfonate;an overbased magnesium sulfonate;a facilitating acid comprising an alkyl benzene sulfonic acid;water as a converting agent;one or more complexing acids comprising acetic acid and 12-hydroxystearic acid;added calcium carbonate;optionally a base oil; andwherein the grease is fluid and pumpable prior to milling or shearing.2. The highly rheopectic sulfonate-based grease composition of wherein the grease is an NLGI grade 2 grease after milling or shearing.3. The highly rheopectic sulfonate-based grease composition of wherein composition comprises less than 36% of the overbased calcium sulfonate by weight of the final grease.4. The highly rheopectic sulfonate-based grease composition of wherein composition comprises less than 33% of the overbased calcium sulfonate by weight of the final grease5. The highly rheopectic sulfonate-based grease composition of further comprising one or more conventional non-aqueous converting agents.6. The highly rheopectic sulfonate-based grease composition of wherein no conventional non-aqueous converting agents are included.7. A method for making a highly ...

HEAT-CONDUCTIVE SILICONE GREASE COMPOSITION

A heat-conductive silicone grease composition comprising (A) an organopolysiloxane in an amount of 20 to 90 parts by mass, (B) a non-silicone-type organic compound in an amount of 80 to 10 parts by mass (wherein the total amount of the components (A) and (B) is 100 parts by mass) and (C) a heat-conductive inorganic filler having an average particle diameter of 0.5 to 100 μm in an amount of 200 to 2,000 parts by mass relative to 100 parts by mass of the total amount of the components (A) and (B), wherein the SP value of the non-silicone-type organic compound (B) is greater than that of the organopolysiloxane (A) (i.e., (B)>(A)), the value obtained by subtracting the SP value of the component (A) from the SP value of the component (B) is greater than 2, and the viscosity of the heat-conductive silicone grease composition is 50 to 1,000 Pa·s at 25° C. 3. The thermally conductive silicone grease composition of claim 2 , wherein the organopolysiloxane (A) is a hydrolyzable organopolysiloxane having three or six ORgroups (wherein Ris as defined above).4. The thermally conductive silicone grease composition of or claim 2 , wherein the non-silicone type organic compound (B) is an aromatic liquid compound with a functionality of 3 or less that has on the molecule an organic group selected from among epoxy claim 2 , phenolic hydroxyl and amino groups.5. The thermally conductive silicone grease composition of claim 4 , wherein the non-silicone type organic compound (B) is an aromatic liquid epoxy resin having a functionality of 3 or less.6. The thermally conductive silicone grease composition of claim 1 , wherein the thermally conductive inorganic filler (C) is one or a combination of two or more selected from the group consisting of aluminum claim 1 , silver claim 1 , copper claim 1 , nickel claim 1 , zinc oxide claim 1 , aluminum oxide claim 1 , silicon oxide claim 1 , magnesium oxide claim 1 , aluminum nitride claim 1 , boron nitride claim 1 , silicon nitride and metallic ...

Bio-based estolide compositions

Levulinic-capped estolides having improved physical properties that make them more desirable and suitable as bio-based industrial or commercial products are disclosed. The physical properties of the disclosed estolide compositions have surprisingly low pour points that are substantially lower than previously known estolide compounds and superior to petroleum-based compounds designed for similar applications.

LUBRICATING OIL COMPOSITIONS WITH VISCOSITY AND DEPOSIT CONTROL

A method for improving viscosity control, while maintaining or improving deposit control, of a lubricating oil in an engine or other mechanical component lubricated with the lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition including a lubricating oil base stock as a major component, and at least one polymeric aminic antioxidant, as a minor component. The at least one polymeric aminic antioxidant is the polymerization reaction product of one or more unsubstituted or hydrocarbyl-substituted diphenyl amines, one or more unsubstituted or hydrocarbyl-substituted phenyl naphthyl amines, or both one or more of unsubstituted or hydrocarbyl-substituted diphenylamine with one or more unsubstituted or hydrocarbyl-substituted phenyl naphthylamine. The lubricating oil base stock is present in an amount from 1 to 85 weight percent and the at least one polymeric aminic antioxidant is present in an amount from 0.1 to 5 weight percent. 1. A method for improving viscosity control , while maintaining or improving deposit control , of a lubricating oil in an engine or other mechanical component lubricated with the lubricating oil by using as the lubricating oil a formulated oil , said formulated oil having a composition comprising a lubricating oil base stock as a major component; and at least one polymeric aminic antioxidant , as a minor component; wherein the at least one polymeric aminic antioxidant is the polymerization reaction product of one or more unsubstituted or hydrocarbyl-substituted diphenyl amines , one or more unsubstituted or hydrocarbyl-substituted phenyl naphthyl amines , or both one or more of unsubstituted or hydrocarbyl-substituted diphenylamine with one or more unsubstituted or hydrocarbyl-substituted phenyl naphthylamine; wherein the lubricating oil base stock is present in an amount from 1 to 85 weight percent , based on the total weight of the lubricating oil; and wherein the at least one polymeric aminic ...

MIXTURES OF FRICTION MODIFIERS TO PROVIDE GOOD FRICTION PERFORMANCE TO TRANSMISSION FLUIDS

Mixtures of friction modifiers provide excellent friction performance to transmission fluids, where the friction modifiers include an N-substituted oxalic acid bisamide or amide-ester containing at least two hydrocarbyl groups of 12 to 22 carbon atoms; and an amide or thioamide represented by RRN—C(X)Rwhere X is O or S, Rand Rare hydrocarbyl groups of at least 6 carbon atoms, and Ris hydroxyalkyl group of 1 to 6 carbon atoms or a condensate thereof. 1. A composition comprising:(a) an oil of lubricating viscosity;(b) about 0.05 to about 3.0 percent by weight of an N-substituted oxalic acid bisamide or amide-ester containing at least two hydrocarbyl groups of about 12 to about 22 carbon atoms; and{'sup': 1', '2', '3', '1', '2', '3, '(c) about 0.05 to about 3.0 percent by weight of an amide or thioamide represented by the formula RRN—C(X)Rwherein X is O or S, Rand Rare each independently hydrocarbyl groups of at least about 6 to 24 carbon atoms, and Ris hydroxyalkyl group of 1 to about 6 carbon atoms or a group formed by the condensation of said hydroxyalkyl group, through a hydroxyl group thereof, with an acylating agent.'}2. The composition of further comprising (d) about 1 to about 6 percent by weight of a dispersant component claim 1 , comprising one or more succinimide dispersants claim 1 , said dispersant component containing about 0.05 to about 1 percent by weight boron and having a TBN (oil free) of about 40 to about 100.7. The composition of wherein in (c) claim 1 , the amide or thioamide claim 1 , each of Rand Ris independently a 2-ethylhexyl group or a group of about 10 to about 18 carbon atoms.8. The composition of wherein in (c) claim 1 , the amide or thioamide claim 1 , is an amide.9. The composition of wherein (c) claim 1 , the amide or thioamide claim 1 , comprises a substituted nitrogen moiety claim 1 , RRN— claim 1 , comprising a di-cocoalkylamine moiety or a (2-ethylhexyl)(hydrogenated tallow)amine moiety and a carboxy moiety claim 1 , —C(O)R claim 1 ...

HALOGEN FREE IONIC LIQUIDS AS LUBRICANT OR LUBRICANT ADDITIVES AND A PROCESS FOR THE PREPARATION THEREOF

A lubricant or lubricant additive composed of halogen-, phosphorus- and sulphur-free ionic liquids containing fatty acid anions exhibit superior friction-reducing and anti-wear properties. Preferably, the lubricant composition comprises a base oil and an ionic liquid or mixed of two or more ionic liquids having concentration of 0.5 wt. % or more. These halogen-, phosphorus- and sulphur-free ionic liquids as lubricant or lubricant additive have minimal hazardous and corrosion effect to the environment and engineering surfaces, respectively. General chemical formula of fatty acid anion is represented as RCOO; whereas R may be Cto Cstraight chain alkyl, branched alkyl, cycloalkyl, alkyl substituted cycloalkyl, cycloalkyl substituted alkyl, alkenyl (single or more double bonds) includes with or without branched structure and may contain heteroatom. 2. The composition as claimed in claim 1 , wherein the ionic liquids are substatntially or completely free of halogen claim 1 , phosphorous claim 1 , and/or sulphur.3. The composition as claimed in claim 1 , wherein ionic liquid are selected from Tetrabutylammonium oleate (TBA-OL) claim 1 , 1-Hexyl-methylimidazolium oleate (HMIM-OL) and Tetrabutylammonium linoleate (TBA-LN) claim 1 , Tetrabutylammonium caprylate claim 1 , Tetrabutylammonium caprate claim 1 , Tetrabutylammonium laurate claim 1 , Tetrabutylammonium myrisate claim 1 , Hexyldimethylcyclohexylammonium oleate and Dioctylmethylpentylammonium oleate.4. The composition as claimed in claim 1 , further comprising one or more additives selected from dispersants claim 1 , corrosion inhibitors claim 1 , detergents claim 1 , antioxidants claim 1 , anti-wear and extreme pressure additives claim 1 , viscosity improvers claim 1 , fiction improvers claim 1 , oiliness improver claim 1 , metal deactivator claim 1 , demulsifiers claim 1 , pour point depressants claim 1 , foam inhibitors claim 1 , seal-swelling agents claim 1 , antimicrobial.5. The lubricant or lubricant additive ...

VISCOSITY INDEX IMPROVER, LUBRICANT COMPOSITION, AND METHOD FOR PRODUCING LUBRICANT COMPOSITION

A viscosity index improver including a comb-shaped polymer is provided. For a solution having the viscosity index improver dissolved in a mineral oil and having a solid component concentration of 25 mass %, a ratio of the storage modulus (G′) to the loss modulus (G″) of the solution measured at a measuring temperature of 70° C. is 0.40 or more. For a solution (α) at 25° C. having the viscosity index improver dissolved in a mineral oil and having a solid component concentration of 25 mass % and a solution (β) resulting from subjecting the solution (α) to heating to 100° C. at a prescribed temperature rise rate and then cooling to 25° C. at a prescribed cooling rate, a ratio of the storage modulus (G′) of the solution (β) to the storage modulus (G′) of the solution (α) measured at a measuring temperature of 25° C. is 2.0 or more. 1. A viscosity index improver , comprising a comb-shaped polymer and satisfying the following requirement:with respect to a solution having the viscosity index improver dissolved in a mineral oil and having a solid component concentration of 25 mass %, a ratio of a storage modulus G′ to a loss modulus G″ of the solution measured at a measuring temperature of 70° C., an angular frequency of 100 rad/s, and a strain of 20% is 0.40 or more.2. The viscosity index improver according to claim 1 , wherein the storage modulus G′ of the solution measured at a measuring temperature of 70° C. claim 1 , an angular frequency of 100 rad/s claim 1 , and a strain of 20% is 1.2×10Pa or more.3. A viscosity index improver claim 1 , comprising a comb-shaped polymer and satisfying the following requirement:with respect to a solution α at 25° C. having the viscosity index improver dissolved in a mineral oil and having a solid component concentration of 25 mass % and a solution β resulting from heating the solution α to 100° C. at a temperature rise rate of 0.2° C./s and then cooling to 25° C. at a cooling rate of 0.2° C./s, a ratio of a storage modulus G′ of the ...

Lubricant composition

A lubricant composition improves a performance of reducing a formation of compressor deposit. The lubricant composition also ensures low temperature properties of the lubricant composition. The lubricant composition includes 14 mass % or more of a fraction having a boiling point of 500° C. to 550° C. and 5 mass % or more of a fraction having a boiling point of over 550° C.

LOW CONDUCTIVITY LUBRICATING OILS FOR ELECTRIC AND HYBRID VEHICLES

Provided is a lubricating oil for electric and hybrid vehicles. The lubricating oil includes at least 80 wt % of a lubricating base oil, 0.5 to 5 wt % of one or more dispersants, 0 to 4 wt % of one or more neutral metal detergents, 0 to 1.5 wt % of zinc dialkyldithiophosphate, 0 to 0.2 wt % of molybdenum dialkyldithiocarbamate, 0 to 2 wt % of an active viscosity modifier, and 0.01 to 5 wt % of one or more other lubricating oil additives. The lubricating oil is essentially free of overbased metal detergents. The lubricating oil has an electrical conductivity from 50 to 3,000 pS/m and a kinematic viscosity from 2 to 20 cSt at 100° C. This disclosure also relates to methods for producing the lubricating oil, methods for lubricating electric and hybrid vehicles, and methods for controlling electrical conductivity of a lubricating oil by using conductivity promoters and conductivity inhibitors. 1. A lubricating oil for use in electric or hybrid vehicles comprising:at least about 80 weight percent of a lubricating base oil, from about 0.5 to about 5 weight percent of one or more dispersants, from about 0 to about 4 weight percent of one or more neutral metal detergents, from about 0 to about 1.5 weight percent of zinc dialkyldithiophosphate (ZDDP), from about 0 to about 0.2 weight percent of molybdenum dialkyldithiocarbamate (MoDTC), from about 0 to about 2 weight percent of an active viscosity modifier, and from about 0.01 to about 5 weight percent of one or more other lubricating oil additives,wherein the lubricating oil is essentially free of overbased metal detergents, andwherein the lubricating oil has an electrical conductivity of from about 50 pS/m to about 3,000 pS/m, and a kinematic viscosity of from about 2 cSt to about 20 cSt at 100° C.2. The lubricating oil of wherein the lubricating base oil comprises a Group I base stock claim 1 , a Group II base stock claim 1 , a Group III base stock claim 1 , a Group IV base stock claim 1 , a Group V base stock claim 1 , ...

HIGH CONDUCTIVITY LUBRICATING OILS FOR ELECTRIC AND HYBRID VEHICLES

Provided is a lubricating oil for electric and hybrid vehicles. The lubricating oil has a composition including at least 80 wt % of a lubricating base oil, from 0.8 to 5 wt % of one or more metal detergents, from 0 to 5 wt % of one or more dispersants, from 0 to 1.5 wt % of zinc dialkyldithiophosphate antiwear agent, from 0 to 0.2 wt % of a molybdenum dialkyldithiocarbamate, from 0 to 2 wt % of a viscosity modifier based on active ingredient, and from 0.01 to 5 wt % of other lubricating oil additives. The lubricating oil has an electrical conductivity from 3,000 to 20,000 pS/m, and kinematic viscosity from 2 to 20 cSt at 100° C. This disclosure also relates to methods for producing the lubricating oil, methods for lubricating electric and hybrid vehicles, and methods for controlling electrical conductivity of a lubricating oil by using conductivity promoters and conductivity inhibitors. 1. A lubricating oil for use in an electric or hybrid vehicles comprising:at least about 80 weight percent of a lubricating base oil, from about 0.8 to about 5 weight percent of one or more metal detergents, from about 0 to about 5 weight percent of one or more dispersants, from about 0 to about 1.5 weight percent of zinc dialkyldithiophosphate (ZDDP) antiwear agent, from about 0 to about 0.2 weight percent of a molybdenum dialkyldithiocarbamate (MoDTC), from about 0 to about 2 weight percent of a viscosity modifier based on active ingredient, and from about 0.01 to about 5 weight percent of other lubricating oil additives, andwherein the lubricating oil has an electrical conductivity from about 3,000 pS/m to about 20,000 pS/m, and kinematic viscosity from about 2 cSt to about 20 cSt at 100° C.2. The lubricating oil of wherein the lubricating base oil comprises a Group I base stock claim 1 , a Group II base stock claim 1 , a Group III base stock claim 1 , a Group IV base stock claim 1 , a Group V base stock claim 1 , or mixtures thereof.3. The lubricating oil of wherein the one or ...

LUBRICATING OIL COMPOSITIONS FOR ELECTRIC VEHICLE POWERTRAINS

This disclosure relates to a lubricating oil for an electric vehicle powertrain and powertrain components. The lubricating oil has a composition including a lubricating base oil as a major component, an additive package, as a minor component, and an effective amount of one or more conductivity agents, as a minor component. The lubricating oil has an electrical conductivity from about 10 pS/m to about 20,000 pS/m, a dielectric constant of about 1.6 to about 3.6, with a ratio of electrical conductivity-to-dielectric constant from about 5 to about 10,000. This disclosure also relates to methods for producing a lubricating oil for an electric vehicle powertrain and powertrain components. 1. A lubricating oil for an electric vehicle powertrain , said lubricating oil having a composition comprising: a lubricating base oil as a major component; an additive package , as a minor component , comprising one or more lubricating oil additives; and an effective amount of one or more conductivity agents as a minor component , wherein the lubricating oil has an electrical conductivity from about 10 pS/m to about 20 ,000 pS/m , a dielectric constant of about 1.6 to about 3.6 , and a ratio of electrical conductivity-to-dielectric constant from about 5 to about 10 ,000.2. The lubricating oil of wherein the lubricating oil has a ratio of electrical conductivity-to-dielectric constant from about 5 to less than 1 claim 1 ,000.3. The lubricating oil of wherein the lubricating oil has a ratio of electrical conductivity-to-dielectric constant from about 1 claim 1 ,000 to about 10 claim 1 ,000.4. The lubricating oil of wherein the lubricating oil has an electrical conductivity from about 200 pS/m to about 16 claim 1 ,000 pS/m.5. The lubricating oil of wherein the lubricating oil has a dielectrical constant from about 1.8 to about 3.5.6. The lubricating oil of wherein the lubricating oil has a kinematic viscosity from about 2 cSt to about 20 cSt at 100° C. claim 1 , a total acid number (TAN) ...

METHOD FOR CONTROLLING ELECTRICAL CONDUCTIVITY OF LUBRICATING OILS IN ELECTRIC VEHICLE POWERTRAINS

This disclosure relates to a method for minimizing the electrical drainage of charged electrical powertrain components, a method for controlling electrical conductivity over a lifetime of a lubricating oil in an electric vehicle powertrain lubricated with the lubricating oil, and a method for obtaining a desired electrical conductivity-to-dielectric constant ratio of a lubricating oil for an electric vehicle powertrain and powertrain components. The methods relate to controlling at least one of oxidation, deposit formation and corrosion over the service lifetime of the oil. The lubricating oil has a composition including a lubricating base oil as a major component, an additive package, as a minor component, and an effective amount of one or more conductivity agents, as a minor component. The lubricating oil has an electrical conductivity from 10 pS/m to 20,000 pS/m, a dielectric constant of 1.6 to 3.6, with a ratio of electrical conductivity-to-dielectric constant from 5 to 10,000. 1. A method for improving electrical performance in an electric vehicle powertrain by reducing electrical charge drainage of electrical energy storage devices and extending useful device lifetime , said method comprising providing to an electric vehicle powertrain a lubricating oil having a composition comprising: a lubricating base oil as a major component; an additive package , as a minor component comprising one or more lubricating oil additives; and an effective amount of one or more conductivity agents , as a minor component; wherein the lubricating oil has an electrical conductivity from about 10 pS/m to about 20 ,000 pS/m , a dielectric constant of about 1.6 to about 3.6 , and a ratio of electrical conductivity-to-dielectric constant from about 5 to less than about 1 ,000.2. The method of wherein the lubricating oil has an electrical conductivity from about 200 pS/m to about 1 claim 1 ,000 pS/m.3. The method of wherein the lubricating oil has a dielectrical constant from about 1.8 ...

Ester Compounds, Lubricating Oil Compositions Containing Same and Processes for Making Same

This disclosure relates to ester compounds derived from neo-alcohol, lubricating oil base stocks comprising such ester compounds, lubricating oil compositions comprising such ester compounds, and method for making such compounds and/or base stocks. The lubricating oil base stocks comprising the ester compounds exhibit desirable lubricating properties such as polarity and oxidation stability. 2. The compound of claim 1 , wherein Rand Rare each independently a C2-C30 linear or branched alkyl group.3. The compound of claim 1 , wherein at least one of Rand Ris a linear alkyl group.4. The compound of claim 3 , wherein at least one of Rand Ris selected from ethyl claim 3 , n-propyl claim 3 , n-butyl claim 3 , n-hexyl claim 3 , n-octyl claim 3 , n-decyl claim 3 , n-dodecyl claim 3 , n-tetradecyl claim 3 , n-hexadecyl claim 3 , n-octadecyl claim 3 , n-icosyl claim 3 , n-docosyl claim 3 , n-tetracosyl claim 3 , n-hexacosyl claim 3 , and n-octacosyl.5. The compound of claim 4 , wherein at least one of Rand Ris selected from n-butyl claim 4 , n-hexyl claim 4 , n-octyl claim 4 , n-decyl claim 4 , and n-dodecyl.6. The compound of claim 1 , wherein Rand Rare independently each a linear alkyl groups.7. The compound of claim 6 , wherein Rand Rare independently selected from ethyl claim 6 , n-propyl claim 6 , n-butyl claim 6 , n-hexyl claim 6 , n-octyl claim 6 , n-decyl claim 6 , n-dodecyl claim 6 , n-tetradecyl claim 6 , n-hexadecyl claim 6 , n-octadecyl claim 6 , n-icosyl claim 6 , n-docosyl claim 6 , n-tetracosyl claim 6 , n-hexacosyl claim 6 , and n-octacosyl.8. The compound of claim 1 , wherein at least one of Rand Ris a branched alkyl group.9. The compound of claim 8 , wherein at least one of Rand Ris selected from ethylhexyl claim 8 , 2-propylheptanyl claim 8 , 2-butyloctyl claim 8 , and 3 claim 8 ,5-dimethyloctyl.10. The compound of claim 1 , wherein Rand Rare identical.11. The compound of claim 1 , wherein Ris a C1 to C24 group selected from: (a) linear or branched alkyl ...

POLYMER FOR LUBRICANT COMPOSITIONS AND METHOD OF FORMING THE SAME

A polymer comprises a polymeric backbone, at least one piperidine ester moiety extending from the polymeric backbone, and generally at least one Cto Cester moiety extending from the polymeric backbone. The polymer is useful for adjusting the total base number and viscosity index of a lubricant composition. The lubricant composition generally comprises a base oil in addition to the polymer. A method of forming the polymer comprises the steps of providing a first component and providing a second component. The first component comprises at least one of A1) a piperidine methacrylate, or A2) a methacrylate. The second component comprises at least one of B) a Cto Cmethacrylate. Optionally, the method further comprises the step of providing a third component, which comprises at least one of C) a piperidine-ol. The method further comprises at least one reaction step involving the aforementioned components to form the polymer. 120-. (canceled)21. A method of forming a polymer for adjusting the total base number (TBN) and viscosity index (VI) of a lubricant composition , said method comprising the steps of: A1) a piperidine methacrylate, or', 'A2) a methacrylate different from the piperidine methacrylate A1);, 'providing a first component comprising at least one of'} {'sub': 8', '22, 'B) a Cto Cmethacrylate;'}, 'providing a second component different from the first component and comprising'} 'C) a piperidine-ol; and', 'optionally, providing a third component comprising'}i) reacting the piperidine methacrylate A1) with the second component B) to form the polymer, wherein A1) and B) are reacted in a molar ratio (A1:B) of from about 15:85 to 25:75; and/orii) reacting the methacrylate A2) with the second component B) to form a reaction intermediate and reacting the reaction intermediate with the third component to form the polymer.22. The method as set forth in claim 21 , wherein the first component comprises the piperidine methacrylate A1) and wherein the piperidine methacrylate ...

Dispersant Viscosity Index Improver-Containing Lubricant Compositions and Methods of Use Thereof

Lubricating oil compositions and methods of their use are provided herein. A lubricating oil composition as described herein includes a major amount of an oil of lubricating viscosity, an amine-functionalized olefin copolymer dispersant viscosity index improver in an amount of from about 1.5 wt. % to 2.0 wt. % based on the weight of the lubricating oil composition, and a dispersant. The amine-functionalized olefin copolymer dispersant viscosity index improver includes a reaction product of an acylated olefin copolymer and a polyamine. The dispersant includes reaction product of components (A) a hydrocarbyl-dicarboxylic acid or anhydride having a number average molecular weight of from about 500 to about 5000 and (B) at least one polyamine, wherein the reaction product is post-treated with (C) an aromatic carboxylic acid, an aromatic polycarboxylic acid, or an aromatic anhydride, wherein all carboxylic acid or anhydride groups are attached directly to an aromatic ring, and/or (D) a non-aromatic dicarboxylic acid or anhydride having a number average molecular weight of less than about 500. 1. A lubricating oil composition , comprising:a major amount of an oil of lubricating viscosity;an amine-functionalized olefin copolymer dispersant viscosity index improver comprising a reaction product of an acylated olefin copolymer and a polyamine in an amount of about 1.8 wt. % based on the weight of the lubricating oil composition; anda dispersant comprising a reaction product of components (A) a hydrocarbyl-dicarboxylic acid or anhydride having a number average molecular weight of from about 500 to about 5000 and (B) at least one polyamine, wherein the reaction product is post-treated with (C) an aromatic carboxylic acid, an aromatic polycarboxylic acid, or an aromatic anhydride, wherein all carboxylic acid or anhydride groups are attached directly to an aromatic ring, and/or (D) a non-aromatic dicarboxylic acid or anhydride having a number average molecular weight of less ...

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.

LOW VISCOSITY LUBRICATING OILS WITH IMPROVED OXIDATIVE STABILITY AND TRACTION PERFORMANCE

Provided is lubricating oil composition including from 10 to 90 wt % of a base stock comprising a C28-C32 hydrocarbon fraction (“dimers”) and optionally a C42-C48 hydrocarbon fraction (“trimers”) produced by oligomerization of a linear C14 mono-olefin, a linear C16 mono-olefin, or a mixture thereof, in the presence of a Lewis acid catalyst, and the remainder of the composition including one or more lubricating oil additives. The lubricating oil composition provides an oxidative stability of greater than 100 hours (time to 200% KV@40 deg. C. increase) and a mini traction machine (MTM) average traction coefficient at 100 deg. C. of less than 0.0081. 1. A lubricating oil composition comprisingfrom 10 to 90 wt % of a base stock comprising a C28-C32 hydrocarbon fraction (“dimers”) and optionally a C42-C48 hydrocarbon fraction (“trimers”) produced by oligomerization of a linear C14 mono-olefin, a linear C16 mono-olefin, or a mixture thereof, in the presence of a Lewis acid catalyst, andthe remainder of the composition comprising one or more lubricating oil additives, wherein the lubricating oil composition provides an oxidative stability of greater than 100 hours (time to 200% KV@40 deg. C. increase) and a mini traction machine (MTM) average traction coefficient at 100 deg. C. of less than 0.0081.2. The composition of claim 1 , wherein the base stock exhibits a mole percentage of epsilon-carbons as determined by C NMR of no less than 20 mol % claim 1 , based on the total moles of the carbon atoms therein.3. The composition of claim 1 , wherein the dimers are at a concentration in the range from 80 to 100 wt % claim 1 , and the trimers are at a concentration in the range from 0 to 20 wt % claim 1 , based on the total weight of the base stock.4. The composition of claim 1 , wherein the total concentration of the dimers and the trimers combined is at least 95 wt % claim 1 , based on the total weight of the base stock.5. The composition of claim 1 , wherein the molecules of ...

Ether-Based Lubricant Compositions, Methods and Uses

The present invention provides a lubricant composition comprising a base oil of lubricating viscosity, wherein the base oil comprises an ether base stock of formula (A) where: Rand Rare aliphatic hydrocarbyl groups and may be the different; the lubricant composition further comprising from 0.5 to 7% of total dispersant additive, by weight of the lubricant composition. In some embodiments, the ether base stock has the formula (1) where: R, R, R, R, Rand Rare as defined herein. The lubricant composition may be used for lubricating a surface in an internal combustion engine as well as for improving the fuel economy performance and/or piston cleanliness performance of an engine and/or a vehicle, such as an automotive vehicle associated with an internal combustion engine. 2. The lubricant composition of claim 1 , wherein at least one of Rand Ris branched-chain alkyl claim 1 , alkoxy-substituted-alkyl or cycloalkyl-substituted-alkyl.3. The lubricant composition of claim 2 , wherein Rand Rare independently selected from alkyl claim 2 , alkoxy-substituted-alkyl and cycloalkyl-substituted-alkyl claim 2 , provided that where Rand Rare both alkyl at least one of Rand Ris/are branched-chain alkyl.4. The lubricant composition of claim 1 , wherein Rcontains more carbon atoms than R.5. The lubricant composition of claim 1 , wherein Rcontains from 12 to 30 carbon atoms claim 1 , and/or Rcontains from 2 to 20 carbon atoms.7. The lubricant composition of claim 6 , wherein Rand Rare Calkyl or claim 6 , together with the carbon atom to which they are attached claim 6 , Ccycloalkyl claim 6 , and/or wherein R claim 6 , Rand Rare H or Calkyl.8. The lubricant composition of claim 6 , wherein m and n are 0 claim 6 , 1 or 2.11. The lubricant composition of claim 1 , wherein the ether base stock contains a total number of carbons atoms of from 20 to 50.12. The lubricant composition of claim 1 , wherein the ether base stock is prepared from bio-derived feedstock containing greater than 50% by ...

Ether-Based Lubricant Compositions, Methods and Uses

The present invention provides a lubricant composition comprising a base oil of lubricating viscosity, wherein the base oil comprises an ether base stock of formula (A), where: Rand Rare aliphatic hydrocarbyl groups and may be the same or different; the lubricant composition further comprising at least one aminic anti-oxidant and at least one phenolic anti-oxidant. In some embodiments, the ether base stock has the formula (1), where: RR, R, R, Rand Rare as defined herein. The lubricant composition may be used for lubricating a surface in an internal combustion engine as well as for improving the fuel economy performance and/or piston cleanliness performance of an engine and/or a vehicle, such as an automotive vehicle associated with an internal combustion engine. 2. The lubricant composition of claim 1 , wherein at least one of Rand Ris branched-chain alkyl claim 1 , alkoxy-substituted-alkyl or cycloalkyl-substituted-alkyl.3. The lubricant composition of claim 2 , wherein Rand Rare independently selected from alkyl claim 2 , alkoxy-substituted-alkyl or cycloalkyl-substituted-alkyl claim 2 , provided that when Rand Rare both alkyl claim 2 , at least one of Rand Ris/are branched-chain alkyl.4. The lubricant composition of claim 1 , wherein Rcontains more carbon atoms than R.5. The lubricant composition of claim 1 , wherein Rcontains from 12 to 30 carbon atoms claim 1 , and/or Rcontains from 2 to 20 carbon atoms.6. The lubricant composition of claim 6 , wherein Rand Rare Calkyl or claim 6 , together with the carbon atom to which they are attached claim 6 , Ccycloalkyl; and/or wherein R claim 6 , Rand Rare H or Calkyl.8. The lubricant composition of claim 6 , wherein m and n are 0 claim 6 , 1 or 2.11. The lubricant composition of claim 1 , wherein the ether base stock contains a total number of carbons atoms of from 20 to 50.12. The lubricant composition of claim 1 , wherein the ether base stock is prepared from bio-derived feedstock; containing greater than 50% claim 1 ...

LUBRICANT COMPOSITION IN PARTICULAR FOR LIMITING FRICTION

The present application relates to a lubricant composition comprising: 1. Lubricant composition comprising:at least one base oil;from 0.05 to 1.5% by weight of an organomolybdenum compound; and{'sub': '2', 'from 0.005 to 1% by weight of TiOparticles.'}2. Composition according to claim 1 , wherein the particles have an average size of between 10 nm and 1 μm.3. Composition according to claim 1 , comprising from 0.08 to 1% by weight of organomolybdenum compound relative to the total weight of said composition.4. Composition according to claim 1 , comprising from 0.01 to 0.8% by weight of titanium particles relative to the total weight of said composition.5. Composition according to claim 1 , in which the organomolybdenum compound is chosen from organic complexes of molybdenum comprising at least one molybdenum (Mo) chemical element and at least one ligand chosen from carboxylate and ester claim 1 , amide claim 1 , dithiophosphate or dithiocarbamate ligands.8. Composition according to claim 1 , wherein the organomolybdenum compound is selected from organic complexes of molybdenum with dithiophosphate ligands or organic complexes of molybdenum with dithiocarbamate ligands.9. Composition according to claim 1 , wherein the organomolybdenum compound is a molybdenum dithiocarbamate compound (MoDTC).1012-. (canceled)13. Method for lubricating mechanical parts claim 1 , in particular in an engine claim 1 , in particular an internal combustion engine claim 1 , comprising at least one step of contacting at least one part with a lubricant composition according to .14. Method for reducing friction in an engine claim 1 , preferably internal combustion engine claim 1 , for example vehicle engine claim 1 , comprising at least one step of contacting at least one part of the engine with a lubricant composition according to .15. Method for reducing wear in an engine claim 1 , preferably internal combustion engine for example vehicle engine claim 1 , comprising at least one step of ...

MINERAL OIL-BASED BASE OIL, LUBRICATING OIL COMPOSITION, EQUIPMENT, LUBRICATING METHOD, AND GREASE COMPOSITION

The present invention provides a mineral base oil having a kinetic viscosity at 100° C. of 7 mm/s or more and less than 10 mm/s, a viscosity index of 100 or more, and a temperature gradient Δ|η*| complex viscosity between two temperature points of −5° C. and −15° C. of 240 mPa·s/° C. or less as measured with a rotary rheometer at an angular velocity of 6.3 rad/s. The use of the mineral base oil enables easy preparation of a lubricating oil composition and a grease composition having excellent oxidation stability while ensuring the freedom of selection of additives. 1: A mineral base oil having:{'sup': 2', '2, 'a kinetic viscosity at 100° C. of 7 mm/s or more and less than 10 mm/s;'}a viscosity index of 100 or more; anda temperature gradient Δ|η*| of complex viscosity between two temperature points of −5° C. and −15° C. of 240 mPa·s/° C. or less as measured with a rotary rheometer at an angular velocity of 6.3 rad/s.2: The mineral base oil according to claim 1 , which has a complex viscosity η* at −15° C. of 3 claim 1 ,000 mPa·s or less as measured with a rotary rheometer at an angular velocity of 6.3 rad/s.3: The mineral base oil according to claim 1 , which has an aromatic content (% C) of 0.1 or less and a sulfur content of less than 10 ppm by mass.4: The mineral base oil according to claim 1 , which is produced by refining a feedstock oil that comprises a petroleum-derived wax.5: The mineral base oil according to claim 1 , which is produced by refining a feedstock oil that comprises a petroleum-derived wax and a bottom oil and has a ratio of the content of the wax to the content of the bottom oil [wax/bottom oil] by mass of 30/70 to 98/2.6: A lubricating oil composition claim 1 , comprising a mineral base oil according to .7: The lubricating oil composition according to claim 6 , which has a kinetic viscosity at 100° C. of 7 mm/s or more and less than 10 mm/s and a viscosity index of 100 or more.8: An instrument claim 6 , which is selected from a turbomachine ...

LUBRICATING OIL COMPOSITION, AND PRECISION REDUCTION GEAR USING SAME

Provided are a lubricating oil composition containing a base oil, a specific thiophosphate compound (A) and a molybdenum-based compound (B), which exhibits excellent wear resistance and has a low friction coefficient in a broad range of contact pressures ranging from high to low; and a precision reduction gear using the lubricating oil composition. 2. The lubricating oil composition according to claim 1 , wherein the content of the component (B) in terms of molybdenum atom is 150 ppm by mass or more and 3 claim 1 ,000 ppm by mass or less based on the total amount of the lubricating oil composition.4. The lubricating oil composition according to claim 1 , wherein the content of the component (A) is 0.1% by mass or more and 1.0% by mass or less based on the total amount of the lubricating oil composition.5. The lubricating oil composition according to claim 1 , further containing a phosphate compound (C) not containing a sulfur atom.6. The lubricating oil composition according to claim 5 , wherein the content of the component (C) is 0.05% by mass or more and 1.5% by mass or less based on the total amount of the lubricating oil composition.7. The lubricating oil composition according to claim 1 , further comprising a sulfur-based compound (D) containing 2 or more sulfur atoms in the molecule and not containing a phosphorus atom.8. The lubricating oil composition according to claim 7 , wherein the content of the component (D) is 0.01% by mass or more and 1% by mass or less based on the total amount of the lubricating oil composition.9. The lubricating oil composition according to claim 1 , which has a kinematic viscosity at 40° C. of 40 mm/s or more.10. The lubricating oil composition according to claim 1 , which is used in precision reduction gears.11. A precision reduction gear claim 1 , comprising the lubricating oil composition of .12. The precision reduction gear of claim 11 , which is incorporated in industrial robots. The present invention relates to a ...

SURFACE PROTECTION COMPOSITION AND TERMINAL FITTED ELECTRIC WIRE

A surface protection composition stably protecting a metal surface even at a high temperature, and a terminal-fitted electric wire improved in anticorrosion property by using the composition. The surface protection composition contains a high-consistency material (A) containing a lubricant base oil and an amide compound, and a composition (B) containing a phosphorus compound containing one or more compounds represented by the general formulae (1) and (2) and a metal. The mass ratio (A):(B) of the high-consistency material (A) to the composition (B) is within a range of 50:50 to 98:2. The lubricant base oil has a kinematic viscosity of 10 mm/s or higher at 100° C. and a number-average molecular weight of 400 or higher: 2. The surface protection composition according to claim 1 , wherein the average-molecular weight of the lubricant base oil is within a range of 7000 to 10000.3. The surface protection composition according to claim 1 , wherein the composition has a shear viscosity of 1000 mPa·s or higher at 100° C.4. The surface protection composition according to claim 1 , wherein the amide compound comprises one or more selected from compounds represented by the below-presented general formulae (3) to (5):{'br': None, 'sup': 21', '22, 'R—CO—NH—R\u2003\u2003(3)'}{'br': None, 'sup': 23', '31', '24, 'R—CO—NH—Y—NH—CO—R\u2003\u2003(4)'}{'br': None, 'sup': 25', '32', '26, 'R—NH—CO—Y—CO—NH—R\u2003\u2003(5),'}{'sup': 21', '26', '22', '31', '32, 'where Rto Reach represent independently a saturated or unsaturated linear hydrocarbon group having 5 to 25 carbon atoms, except that Rmay be hydrogen, and Yand Yeach represent a divalent hydrocarbon group having 1 to 10 carbon atoms selected from an alkylene group and a phenylene group having 1 to 10 carbon atoms, or an alkylphenylene group having 7 to 10 carbon atoms.'}5. The surface protection composition according to claim 1 , wherein the amide compound is a fatty acid amide having a melting point within a range of 20° C. to 200° ...

METALWORKING OIL COMPOSITION

Disclosed is a metalworking oil composition containing: at least one base oil (A) selected from a mineral oil and a synthetic oil; sulfurized oils and fats (B) having a kinematic viscosity at 40° C. of 60 mm/s or more and 1,600 mm/s or less; and a polymer (C) of an unsaturated fatty acid having a carbon number of 10 or more. 1. A metalworking oil composition , comprising:at least one base oil (A) selected from a mineral oil and a synthetic oil;{'sup': 2', '2, 'sulfurized oils and fats (B) having a kinematic viscosity at 40° C. of 60 mm/s or more and 1,600 mm/s or less; and'}a polymer (C) of an unsaturated fatty acid having a carbon number of 10 or more.2. The metalworking oil composition according to claim 1 , wherein a mass ratio of the sulfurized oils and fats (B) and the polymer (C) of an unsaturated fatty acid [(B)/(C)] is 0.1 or more and 30 or less.3. The metalworking oil composition according to claim 1 , wherein the content of the sulfurized oils and fats (B) is 1 mass % or more and 30 mass % or less on a basis of the total amount of the composition.4. The metalworking oil composition according to claim 1 , wherein the polymer (C) of an unsaturated fatty acid is at least one dehydrated condensate of an unsaturated fatty acid having a carbon number of 10 or more and 24 or less.5. The metalworking oil composition according to claim 4 , wherein the unsaturated fatty acid having a carbon number of 10 or more and 24 or less is at least one selected from the group consisting of ricinoleic acid claim 4 , oleic acid claim 4 , and linoleic acid.6. The metalworking oil composition according to claim 1 , wherein the content of the polymer (C) of an unsaturated fatty acid is 0.2 mass % or more and 20 mass % or less on a basis of the total amount of the composition.7. The metalworking oil composition according to claim 1 , wherein a kinematic viscosity at 40° C. of the polymer (C) of an unsaturated fatty acid is 100 mm/s or more and 1 claim 1 ,400 mm/s or less.8. The ...