КОМПОЗИЦИЯ КОНСИСТЕНТНОЙ СМАЗКИ С ПОВЫШЕННЫМИ АНТИКОРРОЗИОННЫМИ СВОЙСТВАМИ И СОПРОТИВЛЕНИЕМ ИЗНОСУ, СПОСОБ ПОЛУЧЕНИЯ СМАЗКИ

FIELD: lubricant materials. SUBSTANCE: invention proposes a consistent lubricant comprising oily base and thickening agent involves additionally from 0.05% to 30% weight parts of sodium thiosulfate and at least 0.1 % weight part of one or some addition agent (A) taken among the group including calcium salicylate, magnesium salicylate, calcium phenolate and/or calcium sulfonate as measure for all lubricant mass. Indicated consistent lubricant is used for prevention of corrosion and enhancing wear resistance. The consistent lubricant is prepared by preliminary mixing sodium thiosulfate with one or some addition agents (A) and addition of a lubricant-base mixture comprising the base oil and a thickening agent, or by addition sodium thiosulfate and one or some addition agents (A) to the lubricant base separately. Invention provides enhancing corrosion-inhibiting properties and wear-resistance property with retaining anti-scuffing properties. EFFECT: improved preparing method, enhanced and valuable technical properties of lubricant. 10 cl, 9 tbl, 90 ex ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (51) ÌÏÊ 7 (11) 2 263 137 (13) C2 C 10 M 163/00//(C 10 M 163/00, 125:22, 129:10, 129:54, 117:00), C 10 N 30:06, 40:02, 50: 10 ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2003106404/04, 10.08.2001 (24) Äàòà íà÷àëà äåéñòâè ïàòåíòà: 10.08.2001 (30) Ïðèîðèòåò: 10.08.2000 (ïï.1-10) JP 242911/00 (72) Àâòîð(û): ÎÇÀÊÈ Òàêàõèðî (JP), ÑÈÍÎÄÀ Íîðè êè (JP), ÍÀÊÀÇÀÂÀ Êîóèòè (JP) (45) Îïóáëèêîâàíî: 27.10.2005 Áþë. ¹ 30 2 2 6 3 1 3 7 (56) Ñïèñîê äîêóìåíòîâ, öèòèðîâàííûõ â îò÷åòå î ïîèñêå: US 4923625 A, 03.04.1991. WO 9905240 A1, 04.02.1999. WO 9219703 A1, 12.11.1992. RU 2160766 C1, 20.12.2000. (85) Äàòà ïåðåâîäà çà âêè PCT íà íàöèîíàëüíóþ ôàçó: 11.03.2003 2 2 6 3 1 3 7 R U (87) Ïóáëèêàöè PCT: WO 02/12418 (14.02.2002) C 2 C 2 (86) Çà âêà PCT: EP 01/09347 (10.08.2001) Àäðåñ äë ïåðåïèñêè: 103735, Ìîñêâà, óë.Èëüèíêà, 5/2, ...

СМАЗОЧНЫЕ КОМПОЗИЦИИ

Настоящее изобретение относится к смазочной композиции для использования в турбинном двигателе, содержащей: (i) от 50 мас.% до 99 мас.% базового масла; (ii) от 0,01 мас.% до 5 мас.% ионной жидкости и (iii) от 0,01 мас.% до 10 мас.% присадок, в которой температура застывания ниже -54°C, температура вспышки выше 246°C, а кинематическая вязкость при температуре 100°C находится в диапазоне от 4,9 мм/с до 5,4 мм/с. Также настоящее изобретение относится к применению смазочной для смазывания турбинного двигателя и к применению ионной жидкости (варианты). Техническим результатом настоящего изобретения является получение смазочной композиции, подходящей для использования в турбинном двигательном масле и применимой для уменьшения образования осадка и нагара в смазочной композиции. 4 н. и 7 з.п. ф-лы, 18 пр., 7 табл.

ЧАСТИЦЫ НАНОРАЗМЕРОВ ИЗ СУЛЬФИДА МОЛИБДЕНА И ПРОИЗВОДНЫХ И ИХ ПРИМЕНЕНИЕ

Использование: в получении молибденорганических соединений и применении их в качестве многофункциональных присадок в смазках. Сущность: раскрыт смазочный состав, который содержит: (А) смазку и (В) по меньшей мере одно содержащее молибден соединение в форме блокированных с поверхности частиц наноразмеров общей формулы (Z)n(X-R)m, где: Z выбран из группы, состоящей из MoS3, MoS2O, Na2MoS4, Na2MoS3О, (NH4)2MoS4, (NH4)2MoS3О и их гидратов в форме частиц, имеющих размеры в пределах от около 1 до около 100 нм; (X-R) означает блокирующий поверхность реагент, выбранный из группы, состоящей из алкиламинов, диалкиламинов, триалкиламинов, карбоновых кислот, дикарбоновых кислот, амидов карбоновых кислот, диамидов дикарбоновых кислот, алициклических имидов, диалкилдитиокарбаматов аммония или щелочных металлов, бис-диалкилдитиокарбаматов двухвалентных металлов, трис-диалкилдитиокарбаматов трехвалентных металлов, тетраалкилтиурам-дисульфидов и их производных; n означает число молекул Z в частицах; m означает ...

СМАЗОЧНОЕ СРЕДСТВО, СПОСОБ ЕГО ИЗГОТОВЛЕНИЯ И ЕГО ПРИМЕНЕНИЕ, А ТАКЖЕ СПОСОБ ОПТИМИЗАЦИИ ТРИБОЛОГИЧЕСКИХ СВОЙСТВ И ПРОТИВОЗАДИРНОГО ДЕЙСТВИЯ ПРИ ЕГО ИСПОЛЬЗОВАНИИ В ВЫСОКОТЕМПЕРАТУРНЫХ ПЛАСТИЧНЫХ СМАЗКАХ

... 1. Смазочное средство, содержащее в качестве присадки керамические наночастицы, выбранные из группы, включающей Al2О3, AlN, SiO2, TiO2, ZrO2, Y2O3, WO3, Ta2O5, V2O5, Nb2O5, CeO2, карбид бора, титанат алюминия, BN, MoSi2, SiC, Si3N4, TiC, TiN, ZrB2, глинистые минералы и/или их смеси, а также термостабильные карбонаты и/или сульфаты, причем наночастицы обладают формой эллипсоида с тремя полуосями a, b и с, причем а≠b≠с или a=b=c и причем отношение полуосей а:b составляет от 1:1 до 100:1, a:c от 1:1 до 1000:1 и b:c от 1:1:100:1. ! 2. Смазочное средство по п.1, отличающееся тем, что наночастицы обладают размером от 1 до 5000 нм. ! 3. Смазочное средство по п.1, отличающееся тем, что наночастицы обладают теплопроводностью от 1 до 100 Вт/м·К. ! 4. Смазочное средство по п.1, отличающееся тем, что наночастицы диспергированы в жидкой основе. ! 5. Смазочное средство по п.4, отличающееся тем, что в качестве жидкой основы оно содержит воду и/или по меньшей мере одно масло, выбранное из группы, включающей ...

Смазка для холодной обработки металлов давлением

Смазка для горячей обработки металлов

Смазочно-охлаждающая жидкость для обработки алюминия резанием

Смазочная композиция для горячей обработки металлов давлением

Изобретение позвол ет снизить износ инструмента и расход электроэнергии. Композици  включает воду и смазку при следующем соотношении компонентов в расчете на смазку. Мас.%: твердый смазочный наполнитель 25-95 The invention makes it possible to reduce tool wear and power consumption. The composition includes water and lubricant in the following ratio of components per lubricant. Wt.%: Solid lubricant filler 25-95 водорастворимый загуститель 5-75, причем смазка содержитс  в воде в количестве 5-30 мас.%. В качестве твердого смазочного наполнител  композици  содержит соединение, выбранное из группы, включающей графит, дисульфид молибдена, их смесь, смесь графита с вторидом кальци . В качестве водорастворимого загустител  используют соединение, выбранное из группы, включающей простой эфир целлюлозы, камеди, полиакриламид, полиакриловую кислоту, альгинаты, поливиниловый спирт, полисахариды, полиэтиленгликоль, полиэтиленоксид, поливинилацетат, крахмал, клейстер, карбоксиметилцеллюлозу, жидкое стекло, их смеси. Использование композиции снижает расход электроэнергии до 10% на 1-й клети и до 6% на 2-й клети при значительном снижении износа валков на каждой клети: 15-25% на 1-й клети и 2,5% на 2-й клети. 2 табл. water-soluble thickener 5-75, and the lubricant is contained in water in an amount of 5-30 wt.%. As a solid lubricant filler, the composition contains a compound selected from the group including graphite, molybdenum disulfide, their mixture, a mixture of graphite with calcium secondary. As the water soluble thickening agent is a compound selected from the group consisting of a cellulose ether, gum, polyacrylamide, polyacrylic acid, alginates, polyvinyl alcohol, polysaccharides, polyethylene glycol, polyethylene oxide, polyvinyl acetate, starch paste, carboxymethylcellulose, sodium silicate, and mixtures thereof. The use of the composition reduces energy consumption by up to 10% on the 1st stand and up to 6% on the 2nd stand, with a significant decrease in roll wear on ...

SCHMIERFETTZUSAMMENSETZUNG.

Gleitharzzusammensetzung

Bereitgestellt wird eine Gleitharzzusammensetzung, die ausgezeichnete Verschleißbeständigkeit und ausgezeichnete Gleiteigenschaften, selbst unter einer Bedingung ohne Schmierung, aufweist. Die Gleitharzzusammensetzung (1) umfasst ein Fluorharz (2) und Calciumfluorid (3) und ein Fluorharzfilmbildendes Mittel (4), die in dem Fluorharz enthalten sind, wobei Partikel des Calciumfluorids, die das Fluorharzfilmbildende Mittel in Partikeloberflächen derselben eingebettet haben, in dem Fluorharz dispergiert sind. Wenn eine Gleitoberfläche der Harzzusammensetzung mit einer Oberfläche eines Gegenelements während eines Gleitvorgangs in Kontakt kommt, wird das Fluorharz einer Scherung unterworfen und Scherstücke (Abriebpulver) werden produziert und auf das Calciumfluorid übertragen, das an der Gleitoberfläche der Harzzusammensetzung freiliegt, wodurch ein übertragener Film des Fluorharzes 2 gebildet wird, der den Reibungskoeffizienten verringert.

VERFAHREN ZUM KALTWALZEN VON STAHLBAND

VERFAHREN ZUR HERSTELLUNG EINER MEHRFACH-WASSER/ÖL/WASSER-EMULSION

Verfahren zur Herstellung verdickter Schmieroele und Schmierfette

VERFAHREN ZUM VORBEHANDELN VON METALLOBERFLAECHEN

SCHMIERMITTEL FÜR EINE FORDEREINRICHTUNG AUF BASIS VON ALKYLETHERAMIN MITKORROSIONSHEMMERN.

HERSTELLUNGSVERFAHREN VON SCHMIERÖLEN MIT ROSTSCHUTZEIGENSCHAFTEN

Schmiermittel

Verfahren zur Herstellung neutraler, fester Wachs- und Harzkolloide

Schmiermittel für Gleichlaufgelenke

Klares,filtrierbares,fluessiges Schmiermittel mit Calciumacetatzusatz

Verfahren zur Herstellung von stabilen extrem tiefen oder extrem hohen Temperaturen ausgesetzten Emulsionen

WASSERUNEMPFINDLICHE HYDRAULISCHE FLUESSIGKEITEN

Schmierstoffzubereitung

Schmiermittel für Gleichlaufgelenke

Ein Schmiermittel für Gleichlaufgelenke umfasst die folgenden Komponenten: (a) ein Grundöl; (b) ein Diharnstoff-Verdickungsmittel; (c) sulfurisiertes, molybdänhaltiges Dialkyldithiocarbamat; (d) Molybdändisulfid; (e) wenigstens ein schwefel-/ phosphorhaltiges Hochdruckmittel, ausgewählt aus Zinkdithiophosphatverbindungen und Thiophosphaten; und (f) ein Fettsäureamid. Das erfindungsgemäße Schmiermittel besitzt eine große Fähigkeit zur Verminderung der induzierten Schubkraft und ist ausgezeichnet haltbar.

HYDRAULIC FLUIDS

... 1341901 Hydraulic fluids BURMAH OIL TRADING Ltd 18 Jan 1972 [21 Jan 1971 21 July 1971] 2873/71 and 34240/71 Heading C5F A hydraulic fluid comprises in major amount (A) 10-90 wt. per cent of one or more esters of formula where R is straight or branched C 2+ alkylene R1 is phenyl or C 1-4 alkyl, R2 is ethylene, propylene or butylene; n is 0-3, R3 is -CH 3 or -C 2 H 5 , R4 is ethylene or propylene, and m is an integer (each n or R1-R4 being the same or different); and (B) 1-90 wt per cent of one or more borate esters of formula where R5 is straight or branched alkylene, R6 is alkyl, p is an integer, q is 2-6, R7 is the residue of a di- or polyhydroxy organic compound having a member of reactive OH groups equal to q, R8 is the residue of a dihydroxy organic compound attached to each boron atom via an oxygen atom, (each R5, R6 and R8 being the same or different. R7 may ...

Grease compositions

A grease composition, suitable for lubrication under humid atmospheric conditions, comprises a major proportion of a water-immiscible lubricating oil thickened to grease consistency with a mixture of a substantially water-insoluble soap and a water water-soluble soap, the latter soap constituting not more than 25 per cent by weight of the soap mixture, and a minor proportion of a water-soluble corrosion inhibitor of a specified type. The lubricating oil may be a mineral oil, a synthetic hydrocarbon oil, an oxygenated oil or mixtures of hydrocarbon oil and oxygenated oil. Examples of oxygenated oils are polyalkylene glycols and their partial or complete ethers and esters, polyalkyl silicone polymers, and esters such as 2-ethylhexyl sebacate, dioctyl phthalate and triethylhexyl phosphate. Fatty oils such as lard oil or castor oil may be added to the lubricating oil. The substantially water-insoluble soap may be an alkaline earth metal, zinc, lead, cobalt, aluminium or other polyvalent metal ...

Improvements in the shaping of heavy metals

In the hot working of heavy metals such as by piercing, rolling or drawing, a lubricating and oxidation preventing powder mixture is used which forms on the hot finished workpiece a uniform anti-oxidation readily removable non-vitreous layer; the mixture comprises at least 0.5% by weight of crystalline components substantially all of space-lattice structure of which all solid components are of powder form and at least one component remaining solid during working. Preferably the mixture includes a crystalline portion containing crystalline metallic oxides, including the oxide of the metal workpiece, which have an equal or greater affinity for oxygen than the workpiece metal and melting points above the working temperature, and another portion which is primarily crystalline consisting of substances which do not give off oxygen and have melting points close to or less than the working temperature. For drawing operations the mixture has no components which melt during working, but for other ...

... 308,610. Ducamp, A. J. March 24, 1928, [Convention date]. Motor spirit is made less liable to knock by adding thereto mercury cyanide, e.g. 0.1-1.0 gram to 10 litres of petrol. The cyanide is dissolved direct in alcohol fuels. It may be dispersed in hydrocarbon fuels by either (1) first dissolving in a 50-50 mixture of 90 per cent alcohol and ether, maybe adding a fatty substance, and dissolving this solution in the petrol, etc.; or (2) first dissolving in glycerine, preferably adding phenol, and also olive oil or codliver oil or petroleum or other fatty substance and an alkaline substance such as sodium hydrate, and adding to the petrol &c.

Extrusion of Metals

... 1,198,774. Extruding. HENRY WIGGIN & CO. Ltd. 9 Feb., 1968 [24 Feb., 1967], No. 6582/68. Heading B3P. In the hot extrusion of a cylindrical billet of metal whose melting point exceeds 1250‹ C. such as steel, nickel or nickel base alloys, a fibrous extrusion lubricant is used whose fibres are all of mineral wool. The wool may be derived from natural rocks or may be slag wool ; it is preferably coated or impregnated with a halide or carbonate of an alkali or alkaline earth metal, e.g. barium chloride, lithium chloride, lithium carbonate, cryolite, or sodium carbonate acting as a fluxing agent. The flux may be mixed with water to form a slurry which is coated on a pad of mineral wool. A thin sheet of the lubricant or a thin sheet of glass also may be interposed between the billet and the cylindrical container wall. When extruding a hollow billet, glass powder may be placed in the bore of the billet. Specific examples are given for extruding nickelchromium steel and alloy.

Improvements in or relating to addition agents for extreme pressure lubricating compositions

A monohydric or dihydric alcohol or an alkali metal or alkaline earth metal salt of sulphuric or perchloric acid is added to a sulphurized halogenated hydrocarbon containing water, the addition being sufficient in amount to absorb the water and thereby prevent corrosion of metal containers in which the sulphurized halogenated hydrocarbon is stored. Suitable alcohols are ethyl, propyl or isopropyl alcohol, ethylene glycol or diethylene glycol while suitable metal salts are sodium sulphate or magnesium or calcium perchlorate. The sulphurized halogenated hydrocarbon may be prepared by treating a hydrocarbon, such as paraffin wax, kerosene, an aromatic petroleum fraction or a coal tar distillate, with a sulphur halide such as sulphur mono-or di-chloride. Alternatively the hydrocarbon may be first chlorinated and then treated with an organic or inorganic polysulphide or an isopropyl alcohol solution of aqueous caustic soda and sodium hydrogen sulphide containing free sulphur. Other elements ...

Improvements in or relating to emulsification and emulsifying compositions

The stability of oil-in-water or water-in-oil emulsions made with synthetic organic emulsifying agents which possess a greater affinity for water than oil, is improved by incorporating a coupling agent comprising an alkane 1 : 2 diol having at least 7 carbon atoms. The oil employed as the disperse or continuous phase may be mineral, animal or vegetable and is inclusive of liquid hydrocarbon derivatives such as halogenated hydrocarbons. The alkane 1 : 2 diols, of which numerous examples are given, may be employed in admixture. Specified emulsifying agents are salts of sulphonated aliphatic alcohols containing at least 7 carbon atoms; salts of alkyl-aryl sulphonic acids; salts of naphtha sulphonates; salts of alkyl or aryl phosphoric acids; salts of carboxylic acids; cationic and non-anionic emulsifying agents, e.g. polyethylene oxide derivatives; amide type emulsifying agents such as those derived from oleic acid and methyl taurine and from lauric acid, myristic acid and colamine. Modifying ...

Resin sliding member

WIRE-DRAWING LUBRICANT

... 1416213 Wire drawing lubricants PENNWALT CORP 30 July 1973 [4 Aug 1972] 36087/73 Heading C5F A soap-based dry wire-drawing lubricant is produced by drying a soap-based dry wiredrawing formulation at an elevated temperature with continuous agitation to form an agglomerate containing 1-12% by weight of water, cooling the agglomerate to room temperature or below, grinding the cooled agglomerate to form a powder and thereafter drying the powder to a free moisture content of 0À75% or less by heating to a temperature below its melting point in a moist atmosphere whilst subjecting the powder to a gentle rolling motion. The formulation suitably comprises 30-95 wt. per cent soap (e.g. Na, Ca, Al, Zn or Ba soap of a C 12-22 fatty acid such as tallow fatty acid), 5-70% filler or thickening agent (e.g. borax, soda ash, lime, clay, mica, calcium carbonate or talc), 0-35% film strengthener and/or friction reducer (e.g. sulphur or molybdenum disulphide) and 0-5% of a rust preventative, dye or perfume ...

An improved method of extrusion of metals and alloys of high melting point which are difficult to press, more especially iron and steel

A lubricant for use in the extrusion of high melting point metals consists of at least one finely-ground solid substance which is more readily deformable in one direction than in another and does not melt at the working temperature of the metal being extruded although it may soften, suspended in at least one inorganic substance having a melting temperature lower than that to which the die and the extrusion cylinder are preheated and a boiling temperature higher than or equal to the working temperature of the metal. The finely-ground solid, such as mica, graphite or molybdenum sulphide, is preferably between 20 and 90 per cent. of the lubricant mixture. The suspending substance for the finely-ground solid may consist wholly or mainly of one of the following, viz., sodium hydroxide, potassium hydroxide, an alkali cyanide or an alkali chromate, or a mixture including more than one of the above, and may boil at a temperature higher than 1,050 DEG C. and melt at a lower temperature than 600 ...

Grease composition for constant velocity joint

A grease composition for use in a constant velocity joint comprises a urea grease composed of a lubricating oil and a urea base thickener and containing (A) 1-5% by weight of a molybdenum sulfide dialkyldithiocarbamate; (B) 0.2-1% by weight of molybdenum disulfide; (G) 0.5-3% by weight of a zinc dithiophosphate extreme pressure additive of the formula: (wherein R is an alkyl or aryl group); and (D) 0.5-5% by weight of an oiliness agent composed of at least one of vegetable oils and fats; provided that the weight ratio of component (B) to component (A) is 0.04-0.5.

Release agent

Low pressure die casting powdery mold releasing agent

A low pressure die casting mold releasing agent comprising a mixture of a mold releasing base material, which is an inorganic compound, with an organic compound, at least the mold releasing base material being of powdery or granulated form. This mold releasing agent allows production of castings of high quality, with good workability and without adversely affecting environmental situations.

Fluid composition

... 454,628. Hydraulic liquids. DOELLING, G. L., 3142, Clifton Avenue, St. Louis, Missouri, U.S.A. April 3, 1935, No. 10380. [Class 69 (ii)] A hydraulic fluid is composed of one or more mono- or di-ricinoleates of mono-, di-, or trihydric alcohols having 1-5 C. atoms in the molecule, dissolved in a solvent inert to the esters, rubber, and metals, of low viscosity and freezing point, and of relatively high vaporizing point. Suitable solvents are glycol ethers, e.g. ethylene glycol ethyl ether, and aliphatic alcohols having no more than 6 C. atoms in the molecule, e.g. ethyl, propyl, diacetone, or tetrahydrofurfuryl alcohol. Suitable esters are mono- or di-ricinoleate of glycerine or glycols or polyglycols, and methyl, ethyl, or butyl ricinoleate. A neutralizing agent, e.g. potassium arsenite and castor oil may be added. Preferred compositions are :- (1) 1 vol. of glyceryl di-ricinoleate with 1 vol. of diacetone alcohol; and (2) 3 vol. of methyl ricinoleate, with 20 vol. of castor oil and 50 ...

WATER-INSENSITIVE HYDRAULIC FLUIDS CONTAINING BORATE ESTERS

... 1,214,171. Borate esters. OLIN CORP. 5 July, 1968 [14 July, 1967; 1 April, 1968], No. 32261/68. Heading C2C. [Also in Division C5] A borate ester of the formula was prepared in Example IX by reacting one mole of orthoboric acid with one mole each of triethylene glycol monomethyl ether, diethylene glycol monoethyl ether and diethylene glycol monomethyl ether, in succession, in toluene solution, water being removed after each reaction. In Example X a tris-borate ester is prepared by reacting a 50 : 50 random addition product of ethylene oxide and propylene oxide with orthoboric acid, in toluene solution, in molar ratio 3 : 1, the product having a b.p. 625-630‹ F.

Lubricating textile materials and compositions therefor

A self-scouring material for lubricating and/or fulling textile fibres or fabrics comprises a petroleum hydrocarbon oil and substantially dissolved therein an alkali metal petroleum mahogany sulphonate which has been chemically modified by treatment with sodium hypochlorite and/or sodium chlorite in order to reduce the viscosity of its solution in the oil. The concentration of the sulphonate in the oil must be sufficient to cause the solution to form spontaneously, when brought into contact with water, a substantially translucent or transparent oil in water dispersion and the viscosity of the sulphonate in oil solution must not exceed 600 seconds Saybolt at 100 DEG F. in order to ensure satisfactory impregnation of the textile material to be lubricated. The concentration of sulphonate in the oil may range from 28 to 40 per cent by weight and the viscosity of the solution may be 300 to 600 seconds Saybolt at 100 DEG F. The treatment of the sulphonate with sodium hypochlorite or sodium chlorite ...

Improvements in or relating to emulsification

An emulsifying agent comprises an oil-soluble ammonium or alkali metal salt of naphtha sulphonic acid consisting of or containing pet ether soluble constituents and one or more water soluble salts of compounds containing at least 7 carbon atoms of the general formula RSO3H or RXSO3H, wherein R represents an alkyl or substituted alkyl radicle and X is oxygen or a carbocyclic radicle, the SO3H group being linked to the said carbocyclic radicle either directly or through a hydrocarbon side chain substituent. Emulsified bases comprise the above with the addition of naphthenic acids, tall oils, fatty acids or their ammonium or alkali metal salts together with hydrophilic and oleophilic organic solvents such as aliphatic alcohols, esters, glycols and cresylic acids, and also small proportions of the oil to be emulsified. The agents and bases may be used to prepare soluble oil, gel, paste, solution or droplet emulsion type for industrial, insecticidal, fungicidal, pharmaceutical, veterinary and ...

LUBRICANT ADDITIVE

A lubricating oil additive is prepared by reacting a triglyceride with a basic nitrogen compound to form a reaction product, reacting said reaction product with an acidic molybdenum compound to form an intermediate reaction product, and reacting said intermediate reaction product with a sulfur compound to produce a lubricating oil additive.

A cam shaft and composite cam with outer surfaces impregnated with a solid lubricant

A composite cam 84, comprising least two layers, and a cam shaft 70 have an outer porous layer impregnated with a solid lubricant 50 having an affinity to oil to reduce operating friction. The solid lubricant may be graphite and molybdenum disulphide in a matrix of metal or polymer composition. Cam 84, formed by powder metallurgy, has an inner layer 90 of eg soft/low carbon steel and the outer layer has hardened base circle and lobe portions 86, 88 of porous medium/high carbon Ni-Cr alloy steel. Alternatively the outer layer may be made porous by the addition of an arc plasma spray coating of a hard material, eg tungsten carbide. An anodised surface of aluminium or magnesium alloy provides the outer porous layer for the cam shaft 70 and bearing members 80 which are provided with a plurality of grooves 82. Cam 84 is assembled on the shaft 70 by expanding, eg hydraulically, the shaft's outer diameter. Also disclosed is the surface treatment of a valve guide and tappet.

Hard-carbon coated machine tool and cutting oil composition therefor

A resin sliding member suitable for a bearing

A resin sliding member 1 is provided. The resin sliding member 1, includes: 0.5 to 25 vol% of calcium fluoride 5 dispersed as particles; and a polyether ether ketone (PEEK) resin 4 as a remainder. The calcium fluoride 5 is crystalline, and a peak intensity of a (111) plane of the calcium fluoride 5 exposed on a sliding surface is larger than a peak intensity of a (220) plane when measured by an X-Ray Diffraction (XRD) method.

Sliding composition and sliding member

Lubricating grease compositions

A lubricating grease comprises a silicone lubricating oil (e.g polymethyl phenyl siloxane) and a grease-forming quantity of a naphthalic imidazole of formula: or the cis form thereof, where R1, R11, and R111 are hydrogen, alkyl, alkoxy, or halogen, and x, y, and z are 0, 1, 2 or 3. A number of such compounds are formulated, including Vat Orange 7. In a modification the grease may also contain colloidal silica, in which case the total of silica and naphthalic imidazole forms a grease-forming quantity. Other materials which may be present are alumina hydrate, barium sulphate, clay, calcium acetate, calcium carbonate, and molybdenum disulphide.ALSO:A lubricating grease is formed by adding to an oil base of lubricating viscosity a grease-forming quantity of a naphthalic imidazole represented by the general formula or the cis form thereof, in which R1, R11 and R111 represent hydrogen, alkyl, alkoxy, or halogen, and x, y and z are whole numbers from ...

Process of increasing the consistency of hydrocarbon oils and other oils and fats

Mineral and other oils and fats are increased in consistency by the addition of a saponifying-agent and a product obtained by partly splitting two or more fats or oils with sulpho-aromatic acids. These fats or oils are preferably split to an extent of not more than 50 per cent, the resulting mixture of substances being used without any separation. Only one of the oils may be split by means of sulphoaromatic acids, the other one being split by any other reagent. One of the two oils is preferably castor oil. In an example, 5.75 kgs. of castor oil are split to the extent of 43 1/2 per cent by means of Twitchell reagent, and 1.75 kgs. of fish oil are added. The mixture is added to 100 kgs. of a light mineral oil together with 8 kgs of 40 per cent soda lye.

Emulsifiable mineral oil composition

An emulsifiable oil composition comprises a mineral lubricating oil having a V.I. of at least 80, 1-4 wt. per cent of a monoester formed from a fatty acid having at least 8 carbon atoms and an alkitan, 0.5-3 wt. per cent of a polyoxyalkylene glycol monoalkylphenyl ether having the formula Rm-phenyl-(OR1)n-OR11-OH where m is 1 or 2, n is an integer from 2 to 6, R is a C4-20 alkyl radical, and R1 and R11 are alkylene groups, and 0.01-2.0 wt. per cent of a nitrogen-base modified oleophilic clay or a mixture of such modified clay with an unmodified clay. Clays mentioned include bentonite, hectorite, attapulgite, illite and zeolites, which may be modified with amines, amino-amides, and quaternary ammonium bases, numerous examples being given, including an amino-amide modified hectorite clay composition containing sodium nitrite or sebacate, phenyl a - or b -naphthylamine, and phosphoric acid. The oil compositions may also contain amine and/or phenolic antioxidants, which are exemplified. The ...

Improvements in the lubrication of earth boring drills and other machinery working under similar conditions

Lubricants for crushing mills, the rolling cutters of rotary earth-boring drills, or other apparatus in which the lubricant is fed by the pressure of the flushing fluid, consist of a heavy-grade lubricant having its specific gravity made greater than unity by the addition of a heavy-pulverized mineral substance such as barium sulphate or lead oxide.

Improvements in or relating to the extrusion of metals

In the extrusion of a metal billet a solid lubricant is employed which may be sodium chloride, potassium chloride or lithium fluoride, which may be mixed with lime or magnesia, or it may be of glass, graphite, mica or borax. Preferably, the lubricant is made into a preformed pad by the use of a binder such as water-glass, starch, linseed oil and water or phosphoric acid.

GREASE-SEALED ROLLING CONTACT BEARING

Improved process for the production of wetting, cleansing and dispersing agents

Sulphonated amides of aliphatic or cycloaliphatic carboxylic acids, prepared by treating the latter with secondary amines, in the absence of metal halides, and sulphonating the resulting amides if they do not already contain a sufficient number of sulphonic or sulphuric ester-groups are used for dispersing unsoluble substances, such as alkaline-earth metal soaps, and colouring materials, and also as cleansing agents. The secondary amines may belong to the aliphatic, heterocylic, aliphatic-aromatic or aromatic series, but must be free from hydroxy groups and aryl and aralkyl groups containing any substituent other than sulphonic groups. The products may be used associated with soaps, turkey red oils, aromatic sulphonic acids, hydroxyalkylamines, quarternary ammonium bases and their salts, protective colloids, e.g. glue, gelatine, or vegetable mucilages or gums, organic solvents, e.g. monocresylethyleneglycolether, trichlorethylene, salts e.g. sodium chloride, carbonate or bicarbonate, waterglass ...

LUBRICANT COMPOSITION

Disc drive spindle mortor having hydro bearing with optimized lubricant viscosity

Preparation of suspensions of water-soluble solids in oleaginous media

A method of preparing a suspension of a water-soluble solid in an oily medium is to form a water-in-oil emulsion of the aqueous solution of the solid with oleaginous liquid using a vegetable wax as an emulsifying agent and thereafter dehydrating the emulsion. The oleaginous liquid may be a mineral oil (e.g. a lubricating oil, a residue, a fuel oil or kerosine), castor oil, a diester, a polyglycol, a polyether or a silicon-containing synthetic oil. It may be also thickened to form a lubricating grease. Solids which are suspended in the media include alkali metal and ammonium nitrites, carbonates, bicarbonates, sulphites, borates, chlorates, perchlorates, hypochlorites, silicates, phosphates, salicylates, citrates, tannates, lactates, tartrates, oxalates, phthalates, acetates, iodates, arsenites, chromates, molybdates and tungstates; amine nitrites, phosphates and iodates; hydroxy fatty acids, polycarboxylic acids, hydroxy polycarboxylic acids, sodium benzoate, amides and amino acids. Waxes ...

Amine molybdates and tungstates and lubricating compositions containing them

The invention comprises a lubricating composition comprising a major proportion of a mineral oil of lubricating viscosity and a minor proportion of a salt of a molybdic or tungstic acid with an amine of formula where R1 and R2 are the same or different straight chain alkyl radicals having up to 4 carbon atoms, and R is an alkyl radical, the total number of carbon atoms in the amine being from 16 to 50 (see Group IV(b) ). Preferably the composition contains 0,2-5% by weight of the amine salt. The invention also comprises a lubricating composition comprising a major proportion of a mineral oil of lubricating viscosity and a minor proportion of a combination of two additives, the first being a salt as defined above, and the second being elementary sulphur or an organic divalent sulphur compound soluble in the oil and capable of decomposing at temperatures produced locally by friction under boundary lubricating conditions at metal surfaces to cause the formation of a friction-reducing ...

METAL WORKING LUBRICANTS

HYDRAULIC FLUIDS

... 1480738 Hydraulic fluids CASTROL Ltd 17 Sept 1974 [25 Sept 1973 14 Dec 1973] 44905/73 and 58175/73 Heading C5F [Also in Division C3]. Chlorine-free glycol alkyl silanes suitable for use in or as hydraulic fluids are prepared by reaction of a silane RXSiCl 2 with a diol or polyl and a glycol monoether wherein each R and R3 is an alkyl group, R2 is H, CH 3 - or C 2 H 5 -, X is H or an alkyl group and n is 1 to 10. They are useful as part or all of a hydraulic base stock or as addition they may be mixed with glycols and their ethers, esters and orthoesters, and with borate esters. Conventional hydraulic fluid additives may be added-many are specified. In Examples 1-25, silanes are obtained by adding 1 mole of mono-, di-, or tri-ethylene glycol, or of propylene glycol, or of a polyethylene glycol or polypropylene glycol or of neopentyl glycol, trimethylolpropane, or quinol, as the diol or polyol, with 2 moles of pyridine, to 2 moles of Me 2 SiCl 2 or MeSiCl 3 in toluene, followed ...

Utilization of inorganic acids in the preparation of fluid lubricants

A fluid lubricating composition, suitable for use in automotive transmissions and marine diesel upper cylinders, comprises a major proportion of a lubricating oil together with a neutralized blend of an inorganic acid, a C1-C3 carboxylic acid and a C7-C10 carboxylic acid. The lubricating oil may be a mineral oil or a synthetic oil or a mixture of these. Synthetic lubricating oils mentioned are esters of monobasic acids (e.g. an ester of C8 oxo alcohol with C8 oxo acid, or an ester of C13 oxo alcohol with octanoic acid), esters of dibasic acids (e.g. di-2-ethyl-hexyl sebacate or di-nonyl adipate), esters of glycols (e.g. C13 oxo acid diester of tetraethyleneglycol), complex esters, esters of phosphoric acid (e.g. the ester formed by contacting 3 mols. of the mono-methyl ester of ethylene glycol with 1 mol. of phosphorus oxychloride), halocarbon oils (e.g. chlorotrifluoroethylene polymer), polysiloxanes, sulphite esters, carbonate esters, mercaptals, formals and polyglycols (e.g. the compounds ...

Process of making an improved carboxylic acid salt complex thickened lubricant

A process for the production of a substantially anhydrous lubricating composition comprising a mixture of metal salts of acetic acid and a C7 to C10 monocarboxylic acid, and lubricating oil, consists in heating the mixture to 250-350 DEG F., maintaining the proportion by weight of the said metal salts in the range of 20-50%, homogenizing in the range 80-150 DEG F. with the rate of shear in the range 100,000 to 500,000 reciprocal seconds, diluting with further amounts of lubricating oil, thus giving a concentration of 4-10 wt. per cent of metal salts and homogenizing in the range 80-150 DEG F., with the rate of shear in the range 100,000 to 750,000 reciprocal seconds, to give a fluid product of viscosity 80-200 S.S.U. at 210 DEG F. and said to be of improved stability. The lubricating oil has an initial viscosity in the range 55-100 S.S.U. at 210 DEG F. and a V.I. of 40-100; the molecular ratio of acetic to C7-C12 acid is in the range of 10 : 1 to 25 : 1. It is preferred to form the said ...

Calcium hydroxyapatite based calcium sulfonate grease compositions and method of manufacture

Calcium hydroxyapatite based calcium sulfonate grease compositions and method of manufacture

Calcium carbonate based calcium sulfonate grease compositions and method of manufacture

Lubricating containing hydrocarbons to which are built-in alkaline-earth compounds.

Lubricating grease improved by cadnium chloride to support very high loads.

Liquid compositions containing salts of cadium used for the cut of metals.

Liquid compositions used for the cut of metals.

Tool of diagraphics during drilling.

Calcium carbonate based calcium sulfonate grease compositions and method of manufacture

Calcium hydroxyapatite based calcium sulfonate grease compositions and method of manufacture

Calcium carbonate based calcium sulfonate grease compositions and method of manufacture

WALZOELEMULSION AND PROCEDURES FOR COLD-ROLLING STEEL STRIP USING THE SAME

COMPOSITION AND PROCEDURE FOR THE COATING OF METALS WITH LUBRICATION PLASTICS

SCHMIERMITTEL FUER DIE WERKZEUGE BEIM LOCH- UND/ ODER STRANGPRESSEN, INSBESONDERE ROHRSTRANG- PRESSEN SOWIE VERFAHREN ZUM SCHMIEREN DER WERK- ZEUGE

THREAD CONNECTING PIECE FOR STEEL TUBES AND PROCEDURE FOR ITS SURFACE TREATMENT

VERFAHREN ZUR VERBESSERUNG DER SCHMIEREIGEN- SCHAFTEN VON MOLYBDAENSULFID

VERFAHREN ZUR KALTFORMUNG VON METALLEN UND HIERFUR VERWENDBARE SCHMIERSTOFFZUSAMMENSTELLUNG

WASSERIGES BAG LUBRICANT FUR THE TIRE PRODUCTION

METALLSALZHALTIGES WASSERIGES KUHLSCHMIERMITTEL

ANTI-NEBULA ADDITIVE FOR WATER-MIXABLE AND WATER-MIXED KÜHLSCHMIERSTOFFE

HYDRAULISCHE FLUESSIGKEIT

FUNCTIONAL LIQUIDS.

Procedure for the production of technical grease procedures for the production of technical grease materials by means of Filterpresse. toffe by means of Filterpresse.

LUBRICANT.

LUBRICANT

PROCEDURE AND DEVICE FOR LUBRICATING A HEATED ONE UP ALUMINIUMPRESSLINGS WITH THE EXTRUSION

Procedure for the production of a lubricating oil composition

VEHICLE WHEEL WITH A RIM AND A PNEUMATIC TIRE

Greases for high loads

Emulsive mineral oil preparation

As lubricants and hydraulic liquid suitable water in oil emulsion

LUBRICANT CARRIER SALT FOR THE METAL SHAPING

Hydraulic liquid

Use of emulsifying agents

Liquid compositions for metalworking

Procedure for lubricating when the warm deforming metals and for the production of a lubricant

Nanoparticle Organic Hybrid Materials (NOHMs) and Compositions and Uses of NOHMs

A nanoparticle organic hybrid material (NOHM) containing an organic polymeric corona having a molecular weight in a range of 100-50,000 g/mol, wherein the organic polymeric corona is covalently attached to an inorganic nanoparticle core, wherein the NOHM exhibits liquid-like properties so that the NOHM moves freely and flows in a manner so that when the NOHM is in a container, the NOHM takes the shape of the container, and wherein the NOHM has a volume fraction (fc) of the inorganic particle ranging from about 0.05 to 0.75, methods of making the NOHMs, and compositions containing the NOHMs.

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 ...

Stimuli-Responsive Micro-Reservoirs for Release of Encapsulants

This invention relates to polymer-based partially-open, hollow reservoirs in the nano-size to micro-size range that encapsulate an additive, which can be released from the reservoirs using specific event stimuli such as reduction-oxidation and voltage change, or at will, using the same stimuli. This invention also relates to method preparing such reservoirs, and for releasing the additive. This invention further relates to matrix that comprises such reservoirs and the method of preparing such matrix. This invention also relates to applications, for example in corrosion inhibition, lubrication, and adhesion, that benefit from using such a controlled release of an additive.

LUBRICATING COMPOSITION WITH ENHANCED FILTERABILITY

A lubricating oil composition that includes a highly paraffinic base oil, a controlled release friction modifier (CRFM) and an effective amount of detergent. The CRFM includes an ionic tetrahedral borate compound comprising a cation and a tetrahedral borate anion which includes a boron atom, the boron atom having two bidentate di-oxo ligands of Ctartrimide. The CRFM is a high stabilizer CRFM. The detergent includes a mixed magnesium and calcium detergent system having a calcium to magnesium ratio of less than 2:1. 1. A lubricating oil composition , comprising:a base oil comprising a highly paraffinic base oil; a tetrahedral borate anion having a boron atom with two bidentate di-oxo ligands both being a linear C18-tartrimide,', 'a first dispersant comprising a conventional ammonium substituted polyisobutenyl succinimide compound having a polyisobutenyl number average molecular weight of 750 to 2,500, and', '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; and, 'a controlled release friction modifier (CRFM), includingan effective amount of a detergent.2. The lubricating oil composition of claim 1 , wherein the detergent comprises a mixed magnesium and calcium detergent system.3. The lubricating oil composition of claim 2 , wherein the mixed magnesium and calcium detergent system has a ratio of calcium to magnesium of less than 2:1.4. The lubricating oil composition of claim 2 , wherein the mixed magnesium and calcium detergent system has a calcium:magnesium ratio of 1.44:1.5. The lubricating oil composition of claim 1 , wherein the CRFM is a high stabilizer CRFM.6. The lubricating oil composition of claim 2 , wherein the CRFM is a high stabilizer CRFM.7. The lubricating oil composition of claim 1 , wherein the CRFM is present in a range of about 2 to 8 wt % claim 1 , based on the total weight of the composition.8. The lubricating ...

FRICTION CONTROL COMPOSITION WITH HIGH AND POSITIVE FRICTION CHARACTERISTICS

A friction control composition having high and positive frictional properties for sliding steel surfaces includes a water insoluble hydrocarbon that enables a reduced water content, a rheological additive, a freezing point depressant, a friction modifier, and a lubricant. 1. A thixotropic gel or liquid for friction control comprising a friction modifier , water , clay and a water-insoluble component , wherein the clay has receptor sites for the water insoluble component and the water-insoluble component is bound to the clay at the receptor sites and further wherein the clay expands in water to form the thixotropic gel or liquid.2. The thixotropic gel or liquid of claim 1 , wherein the thixotropic gel or liquid further comprises carbon black.3. The thixotropic gel or liquid of claim 2 , wherein the amount of carbon black in thixotropic gel or liquid is from 0.5 to 5 percent.4. The thixotropic gel or liquid of claim 1 , wherein the thixotropic gel or liquid further comprises a lubricant.5. The thixotropic gel or liquid of claim 1 , wherein the amount of friction modifier in the thixotropic gel or liquid is between from about 9 to about 24 w/w %.6. The thixotropic gel or liquid of claim 1 , wherein the amount of water in the thixotropic gel or liquid is between from 4 to 25 w/w %.7. The thixotropic gel or liquid of claim 1 , wherein the thixotropic gel or liquid contains a magnesium silicate.8. The thixotropic gel or liquid of claim 1 , wherein the thixotropic gel or liquid further contains an aprotic solvent.9. The thixotropic gel or liquid of claim 1 , wherein the thixotropic gel or liquid does not contain a skin forming retentivity agent.10. A thixotropic gel or liquid for friction control comprising a friction modifier claim 1 , water and a matrix of clay and a water-insoluble component claim 1 , wherein the clay has receptor sites for the water insoluble component and the rheology agent expands in water to form the thixotropic gel or liquid.11. The thixotropic gel ...

COMPOSITION FOR PRODUCING A LUBRICANT COMPOSITION

Lubricant composition, in particular a cooling lubricant solution, based on ionic and/or organoelemental compounds. 1. A compositionobtainable by combining a component (A) and at least two metal salts (M), component (A) consisting of one or more inorganic salts, wherein the metal salts (M) differ in the oxidation number of the metal and/or in the counterion and the metal is Fe.2. The composition according to claim 1 , wherein the metal salt (M) comprises at least one counterion selected from the group consisting of sulfide claim 1 , sulfite claim 1 , sulfate claim 1 , thiosulfate claim 1 , disulfite claim 1 , tetrathionate claim 1 , ammonium claim 1 , acetate claim 1 , citrate claim 1 , oxalate claim 1 , cyanide claim 1 , iodide claim 1 , bromide claim 1 , chloride claim 1 , fluoride claim 1 , nitride claim 1 , nitrate claim 1 , phosphide claim 1 , phosphite claim 1 , phosphate claim 1 , diphosphate claim 1 , polyphosphate claim 1 , metaphosphate or mixtures thereof claim 1 , preferably from the group consisting of sulfate claim 1 , ammonium claim 1 , acetate claim 1 , citrate claim 1 , oxalate claim 1 , phosphate or mixtures thereof claim 1 , most preferably from the group consisting of sulfate claim 1 , ammonium claim 1 , acetate claim 1 , citrate claim 1 , oxalate claim 1 , phosphate or mixtures thereof.3. The composition according to claim 1 , wherein two different metal salts (M) are present in a ratio between 10:1 and 1:10 claim 1 , preferably between 5:1 and 1:5 claim 1 , particularly preferably between 2:1 and 1:2.4. The composition according to claim 1 , wherein one metal has the oxidation state (II+) and one metal has the oxidation state (III+).5. The composition according to claim 1 , wherein one metal has the oxidation state (II+) and one metal has the oxidation state (III+) claim 1 , and the metal salt (M) containing Fe(II+) is present in a molar ratio of between 10:1 and 1:10 claim 1 , preferably between 5:1 and 1:5 claim 1 , more preferably between 2: ...

Lubricant Composition and Methods of Manufacture

A lubricant made by a method of modifying fluid suspended metal sulfide particles that does not require use of hazardous additives. The base oil is derived from a proprietary ester lubricant. The formulation process includes a centrifugation step to remove non-colloidal metal sulfide particles. These non-colloidal particles may be collected and turned into colloidal particles for use in future batches of lubricant.

ANTI-FRICTION LACQUER AND SLIDING BEARING LAMINATE COMPRISING SAME

The invention relates to an anti-friction coating () and an anti-friction coating composite () comprising at least 25 vol. % of a binder () and comprising fillers, which include zinc sulfide () and barium sulfate () and optionally additional fillers, wherein the volume ratio of barium sulfate () to zinc sulfide () is between 0.1 and 15.7, preferably between 0.8 and 4.88, and particularly preferably between 1.5 and 3.44. The anti-friction coating composite () comprises at least two anti-friction coatings () of different compositions. The invention further relates to sliding bearing layered composite materials comprising such coatings and use thereof in internal combustion engines. 1. An anti-friction coating comprising at least 25 vol. % of a binder and comprising fillers , which include zinc sulfide and barium sulfate , wherein the volume ratio of barium sulfate to zinc sulfide is between 0.1 and 15.7.2. The anti-friction coating according to claim 1 , wherein in total the zinc sulfide and the barium sulfate are contained in the total composition in a proportion of 2 to 35 vol. %.3. The anti-friction coating according to claim 28 , wherein in total the zinc sulfide claim 28 , the barium sulfate and the additional fillers are contained in the total composition in a proportion of at most 75 vol. %.4. The anti-friction coating according to claim 1 , wherein claim 1 , the zinc sulfide and the barium sulfate are present in powder form at a d50 value in the range of 0.1 μm to 1.0 μm.5. The anti-friction coating according to claim 1 , wherein the zinc sulfide and barium sulfate fraction is present in the form of lithopone.6. The anti-friction coating according to claim 1 , wherein the binder is selected from the group consisting of PAI claim 1 , PI claim 1 , epoxy resins claim 1 , PBI claim 1 , silicone resins and highly aromatic thermoplastics.7. The anti-friction coating according to claim 1 , wherein the coating has a thickness of 1 μm to 40 μm.8. The anti-friction ...

POWDER COATING COMPOSITIONS FOR REDUCING FRICTION AND WEAR IN HIGH TEMPERATURE HIGH PRESSURE APPLICATIONS

The invention provides a powder coating composition comprising of thermoplastic polymers, ceramic particles, and cermet particles for lowering the friction coefficient, and improving wear and corrosion resistance of coated surfaces in high-temperature, high-pressure, and corrosive environments. It also provides a method of coating application for improving adhesion of the coating to the substrate. The coating compositions are devoid of volatile organic solvents and can be applied on surfaces using thermal spraying, compression molding and other particle sintering approaches. A multilayer architecture consisting of an adhesive bottom layer and a non-adhesive, low friction top layer is disclosed. The coating can be used in oil and gas production and seawater injection. 1. A bilayer coating comprising:a bottom layer comprising a first thermoplastic polymer and particles of a first ceramic or particles of a first cermet or both;a top layer comprising a second thermoplastic polymer and particles of a second ceramic or particles of a second cermet or both.2. The bilayer coating layer of claim 1 , wherein the particles of the first and second cermet and the particles of the first and second ceramic have a mean equivalent diameter of 0.2 to 100 microns.3. The bilayer coating layer of claim 1 , wherein the first and second thermoplastic polymers are selected from a group consisting of poly(ether ether ketone) (PEEK) claim 1 , poly(ether ketone) (PEK) claim 1 , poly(ether ketone ether ketone ketone) (PEKKEK) claim 1 , poly(amide imide) (PAI) claim 1 , polyarylsulfone claim 1 , and poly(ether imide) (PEI).4. The bilayer coating layer of claim 1 , wherein the particles or the first ceramic or the particles of the second ceramic are selected from the group consisting of aluminum oxide claim 1 , tungsten carbide claim 1 , molybdenum disulfide claim 1 , and boron nitride.5. The bilayer coating layer of claim 1 , wherein the particles or the first cermet or the particles of the ...

GREASE COMPOSITION FOR CONSTANT VELOCITY JOINTS

A grease composition is intended primarily for use in constant velocity joints (CV joints), especially ball joints and/or tripod joints, which are used in the driveline of motor vehicles. The grease composition for use in constant velocity joints comprises at least one base oil, at least one thickener, zinc sulfide, as well as molybdenum disulfide and/or tungsten disulfide. Further, a constant velocity joint comprises the grease composition. 116-. (canceled)17. A grease composition for use in constant velocity joints comprisinga) at least one base oil;b) at least one thickener;c) zinc sulfide in an amount between approximately 0.1 wt-% and approximately 2.0 wt-% of a total amount of the grease composition; andd) at least one of molybdenum disulfide and tungsten disulfide in an amount between approximately 0.5 wt-% and approximately 5.0 wt-% of the total amount of the grease composition;wherein the ratio between the amount of the at least one of molybdenum disulfide and tungsten disulfide to the amount of zinc sulfide is in a range between approximately 3:1 to approximately 10:1.18. The grease composition of claim 17 , wherein a total amount of zinc sulfide and the at least one of molybdenum disulfide and tungsten disulfide is less than or equal to approximately 7 wt-% of the total amount of the grease composition.19. The grease composition of claim 17 , further comprising at least one organic sulphur-additive in an amount between approximately 0.2 wt-% and approximately 1.0 wt-% of the total amount of the grease composition.20. The grease composition of claim 19 , characterized in that the at least one organic sulphur-additive comprises sulphur in an amount of at least approximately 10 wt-% of the amount of the organic sulphur-additive.21. The grease composition of claim 17 , further comprising at least one organic phosphor-additive in an amount between approximately 0.2 wt-% and approximately 1.0 wt-% of the total amount of the grease composition.22. The grease ...

ASHLESS OR REDUCED ASH QUATERNARY DETERGENTS

A composition of an oil-soluble ionic detergent that does not contribute metal ions to the composition, and which comprises a quaternary non-metallic pnictogen cation and an organic anion having at least one hydrocarbyl group of sufficient length to impart oil solubility to the detergent, the detergent having a total base number (TBN) to total acid number (TAN) ratio of at least 2:1 imparts ash-free basicity to a lubricant composition. 1. A composition comprising an oil-soluble ionic detergent , which detergent comprises(a) a quaternary non-metallic pnictogen cation and(b) an organic anion having at least one aliphatic hydrocarbyl group of sufficient length to impart oil solubility to the detergent;said oil-soluble ionic detergent having a total base number (TBN) to total acid number (TAN) ratio of at least 2:1;wherein said oil-soluble ionic detergent exhibits a TBN of at least about 10 arising from a non-metallic base.2. The composition of wherein the oil-soluble ionic detergent comprises a quaternary ammonium cation or a quaternary phosphonium cation.3. The composition of wherein the cation comprises a tetrahydrocarbyl ammonium ion.4. The composition of wherein the cation comprises four groups selected from the group consisting of methyl groups claim 3 , ethyl groups claim 3 , propyl groups claim 3 , butyl groups claim 3 , benzyl groups claim 3 , phenyl groups claim 3 , hydroxyalkyl groups claim 3 , aminoalkyl groups claim 3 , and mixtures thereof.5. The composition of wherein the cation comprises a pyridinium ion or an imidazolium ion.6. The composition of wherein the oil-soluble ionic detergent comprises a sulfonate claim 5 , carboxylate claim 5 , or phenate anion.7. The composition of wherein the oil-soluble ionic detergent comprises a sulfonate anion or a salicylate anion.8. The composition of wherein the oil-soluble ionic detergent comprises a stoichiometric excess of quaternary non-metallic pnictogen cations of (a) over organic anions of (b) such that said ...

METHOD FOR IMPROVING ENGINE FUEL EFFICIENCY

A method for improving friction reduction and fuel efficiency, while maintaining or improving wear protection, in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition comprising a lubricating oil base stock as a major component; and a detergent mixture comprising a first detergent having a TBN of less than about 100, and at least one other detergent different from said first detergent, as a minor component. The composition contains greater than about 4 weight percent of the first detergent, based on the total weight of the formulated oil. Friction reduction and fuel efficiency are improved and wear protection is maintained or improved as compared to friction reduction, fuel efficiency and wear protection achieved using a lubricating engine oil containing a detergent mixture having other than the first detergent having a TBN of less than about 100. 1. A method for improving friction reduction and fuel efficiency , while maintaining or improving wear protection , in an engine lubricated with a 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 a detergent mixture comprising a first detergent having a TBN of less than about 100 , and at least one other detergent different from said first detergent , as a minor component; wherein said composition contains greater than about 4 weight percent of the first detergent , based on the total weight of the formulated oil; and wherein friction reduction and fuel efficiency are improved and wear protection is maintained or improved as compared to friction reduction , fuel efficiency and wear protection achieved using a lubricating engine oil containing a detergent mixture having other than the first detergent having a TBN of less than about 100.2. The method of wherein the lubricating oil base stock comprises a Group I claim 1 , ...

Valve Leak Repair Packing Material and Method of Using the Same

A non-curable injectable ester containing packing material for use in the repair of leaking valves contains a calcium sulfonate grease containing at least one polyalphaolefin, an ester, an anti-wear/anti-galling agent, a binding/thickening agent and a plasticizing agent. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. (canceled)12. (canceled)13. (canceled)14. (canceled)15. (canceled)16. (canceled)17. (canceled)18. (canceled)19. (canceled)20. (canceled)21. An injectable packing composition for use in the repair of a leaking valve subjected to fluid flow through or into a conduit controlled by the valve , the composition comprising:(a) a calcium sulfonate complex grease comprising at least one polyalphaolefin;(b) at least one anti-wear/anti-galling agent;(c) at least one binding/thickening agent; and(d) a plasticizing agent miscible with the calcium sultanate complex grease wherein the packing composition, when injected, repairs the valve without interrupting the flow of the fluids through or into the conduit.22. The injectable packing composition of claim 21 , further comprising at least one ester.23. The injectable packing composition of claim 22 , wherein the at least one ester is a component of the calcium sultanate complex grease.24. The injectable packing composition of claim 23 , wherein the plasticizing agent is miscible with the ester of the calcium sulfonate complex grease.25. The injectable packing composition of claim 21 , wherein the calcium sultanate complex grease comprises micellular calcium salt in combination with calcium sultanate claim 21 ,26. The injectable packing composition of claim 21 , wherein at least one of the following is true:(a) the at least one polyalphaolefin is selected from the group consisting of polyethylenes, polypropylenes, polybutenes, polypentenes, polyhexenes and polyheptenes;(b) the plasticizing agent is an isocyanate reaction product of ...

LOW-FRICTION FLUORINATED COATINGS

Low-friction fluorinated coatings are disclosed herein. A preferred low-friction material contains a low-surface-energy fluoropolymer having a surface energy between about 5 mJ/mto about 50 mJ/m, and a hygroscopic material that is covalently connected to the fluoropolymer in a triblock copolymer, such as PEG-PFPE-PEG. The material forms a lubricating surface layer in the presence of humidity. An exemplary copolymer comprises fluoropolymers with average molecular weight from 500 g/mol to 20,000 g/mol, wherein the fluoropolymers are (α,ω)-hydroxyl-terminated and/or (α,ω)-amine-terminated, and wherein the fluoropolymers are present in the triblock structure T-(CH—CH—O)—CH—CF—O—(CF—CF—O)(CF—O)—CF—CH—(O—CH—CH)-T where T is a hydroxyl or amine terminal group, p=1 to 50, m=1 to 100, and n=1 to 100. The copolymer also contains isocyanate species and polyol or polyamine chain extenders or crosslinkers possessing a functionality of preferably 3 or greater. These durable, solvent-resistant, and transparent coatings reduce insect debris following impact.

LUBRICANT COMPOSITION AND METHOD FOR PRODUCING SAME

The present invention relates to a lubricant composition containing: a base oil (A); at least one kind of calcium-based detergent (B) selected from (B1) calcium sulfonate having a base number of 5.00 mgKOH/g or more and 100 mgKOH/g or less, (B2) calcium salicylate having a branched acyclic hydrocarbon group, and (B3) overbased calcium phenate having a branched acyclic hydrocarbon group; and at least one kind of ashless detergent (C) selected from (C1) a hindered amine compound having one piperidine-derived backbone in a molecule, and (C2) a specific diethanolamine compound. In the lubricant composition, the calcium atom content is 100 ppm by mass or more and 600 ppm by mass or less with respect to the total mass of the lubricant composition, and the ratio (N/Ca) of the nitrogen atom content (N) of the ashless detergent (C) to the calcium atom content (Ca) of the calcium-based detergent (B) is 1.3 to 3.1 as a mass ratio. 2. The lubricant composition according to claim 1 , wherein when the calcium-based detergent (B) comprises the calcium salicylate (B2) claim 1 , a base number of the calcium salicylate (B2) is 5.00 mgKOH/g or more and 600 mgKOH/g or less.3. The lubricant composition according to claim 1 , wherein a calcium atom content (Ca) of calcium carbonate derived from the calcium-based detergent (B) is 400 ppm by mass or less with respect to the total mass of the lubricant composition.4. The lubricant composition according to claim 1 , wherein the nitrogen atom content (N) of the ashless detergent (C) is 100 ppm by mass or more and 1 claim 1 ,700 ppm by mass or less with respect to the total mass of the lubricant composition.5. The lubricant composition according to claim 1 , wherein a sulfate ash content of the lubricant composition is 0.60% by mass or less.6. The lubricant composition according to claim 1 , wherein an initial base number of the lubricant composition is 5.00 mgKOH/g or more.7. A lubricant composition that comprises the lubricant composition ...

Use of a sulphate, and method for producing a steel component by forming in a forming machine

Coating materials with minimized lubricant demand enable optimized tribological conditions in forming flat steel products and are also unobjectionable in relation to their effects on the environment. With such coating materials, steel components can be produced by forming flat steel products in forming machines. For example, a tribologically-active layer may be produced on at least one surface of a flat steel product or a forming machine used to form the flat steel product, wherein the at least one surface comes into contact with the opposing component during forming. The tribologically-active layer may be formed by coating the at least one surface with a coating material from a group consisting of aluminum sulfate, ammonium sulfate, iron sulfate, and magnesium sulfate. The flat steel product may be inserted into the forming machine to be formed into the steel component.”

METHOD FOR REDUCING COLOR IN USED LUBRICATING OIL

A method for reducing color in used lubricating oil. The method comprises combining: (i) a used lubricating oil; (ii) an alkali metal borohydride; and (iii) a bisulfite or metabisulfite salt. 1. A method for reducing color in used lubricating oil. The method comprises combining: (i) a used lubricating oil; (ii) an alkali metal borohydride; and (iii) a bisulfite or metabisulfite salt.2. The method of wherein a molar ratio of bisulfite to borohydride is from 1:1 to 8:1.3. The method of in which the alkali metal borohydride is added in an amount from 0.01 wt % to 0.1 wt % claim 2 , based on weight of the used lubricating oil.4. The method of in which the alkali metal borohydride is sodium borohydride.5. The method of in which said molar ratio is from 2:1 to 6:1.6. The method of in which sodium borohydride is added in an amount from 0.02 wt % to 0.08 wt % claim 5 , based on weight of the used lubricating oil. The invention relates to improved methods for reducing color in used lubricating oil.Reduction of color is an important step in treating used lubricating oils to render them suitable for recycling. Various methods have been described for accomplishing this. For example, PL 2004-364533 describes treatment of spent engine and gear oils with sodium borohydride.Still, it remains desirable to develop improved, alternate processes for reducing color in used lubricating oil.This invention is directed to a method for reducing color in used lubricating oil. The method comprises combining: (i) a used lubricating oil; (ii) an alkali metal borohydride; and (iii) a bisulfite or metabisulfite salt.All percentages are expressed as weight percentages (wt %) and all temperatures are in ° C., unless specified otherwise. “Used oil” is lubricating oil that has been in contact with an engine, or other device having moving parts lubricated by oil. Typically used oil is considered no longer suitable for use due to partial decomposition of the oil and/or its additives.Dithionite ion can ...

Marine Engine Lubrication

A two-stroke, cross-head, slow-speed, compression-ignited marine engine is operated by 1. A method of operating a two-stroke , cross-head slow-speed compression-ignited engine comprising(i) fuelling the engine with a diesel fuel, as a pilot fuel, and with a low sulphur fuel, as a main fuel; and(ii) lubricating the cylinder(s) of the engine with a cylinder lubricant having a base number (BN) of 20 or less and having a detergent additive system comprising at least two different metal detergents each having one surfactant selected from phenate, salicylate and sulphonate, or one or more complex metal detergents containing two or more different surfactants selected from phenate, salicylate and sulphonate.2. A method as claimed in claim 1 , wherein the cylinder lubricant also comprises a zinc- and boron-containing antiwear system.3. A method as claimed in claim 1 , wherein at least one of the metal detergents in the detergent additive system includes phenate as the surfactant claim 1 , and has a total base number (TBN) as determined by ASTM D 2896-98 of greater than 200 mg KOH/g.4. A method as claimed in claim 1 , wherein at least one of the metal detergents in the detergent additive system includes sulphonate as the surfactant claim 1 , and has a total base number (TBN) as determined by ASTM D 2896-98 of greater than 100 mg KOH/g.5. A method as claimed in claim 1 , wherein at least one of the metal detergents in the detergent additive system includes a complex metal phenate/sulphonate detergent or a complex metal phenate/sulphonate/salicylate detergent claim 1 , and has a total base number (TBN) as determined by ASTM D 2896-98 of greater than 200 mg KOH/g.6. A method as claimed in claim 1 , wherein at least one of the metal detergents in the detergent additive system includes salicylate as the surfactant claim 1 , and has a total base number (TBN) as determined by ASTM D 2896-98 of less than 250 mg KOH/g.7. A method as claimed in claim 1 , wherein the detergent additive ...

Marine Engine Lubrication

A two-stroke, cross-head, slow-speed, compression-ignited marine engine is operated by 1. A method of operating a two-stroke , cross-head slow-speed compression-ignited engine comprising(i) fuelling the engine with a diesel fuel, as a pilot fuel, and with a low sulphur fuel, as a main fuel; and(ii) lubricating the cylinder(s) of the engine with a cylinder lubricant having a base number (BN) of 20 mg KOH/g or less, comprising a detergent additive system comprising one or more metal detergents having a surfactant selected from phenate, salicylate and sulphonate, or one or more complex metal detergents containing two or more different surfactant soap groups selected from phenate, salicylate and sulphonate, and comprising 1-5 mass %, based on the lubricant mass of one or more phenolic compounds comprising distilled cashew nut shell liquid or hydrogenated distilled cashew nut shell liquid.2. A method as claimed in claim 1 , wherein the cylinder lubricant also comprises a zinc- and boron-containing antiwear system.3. A method as claimed in claim 1 , wherein the phenolic compound(s) comprises hydrogenated distilled cashew nut shell liquid.4. A method as claimed in claim 3 , wherein the hydrogenated distilled cashew nut shell liquid is hydrogenated cardanol.5. A method as claimed in claim 1 , where the phenolic compound(s) comprise 3-pentadecylphenol and 3-pentadecylresorcinol.6. A method as claimed in claim 1 , wherein the metal is calcium.7. A method as claimed in claim 1 , wherein the low sulphur fuel is liquefied natural gas (‘LNG’) or compressed natural gas.8. A method as claimed in claim 1 , where the detergent system comprises one or more overbased calcium phenates.9. A method as claimed in claim 1 , where the cylinder lubricant has a base number (BN) of 15 mg KOH/g or less.11. A method as claimed in claim 1 , wherein the fuel includes more than 50% of main fuel and less than 50% of pilot fuel.12. A method as claimed in claim 11 , wherein the fuel includes more than ...

GEAR LUBRICANT COMPOSITION

A gear lubricant composition includes at least 97% by weight, based on the total weight of the lubricant composition, of at least one hydrocarbon-based oil that includes a weight content of isoparaffins ranging from 90 to 0%, a weight content of normal paraffins ranging from 0 to 10% and a carbon content of biological origin greater than or equal to 90% relative to the total weight of the oil, at least 0.01% by weight, based on the total weight of the lubricant composition, of at least one additive selected among the anti-wear additives, extreme pressure additives, anti-corrosion additives, additives having metal-deactivating properties, anti-foam additives, anti-oxidant additives selected among the phenolic anti-oxidants, and the mixtures thereof. 115.-. (canceled)16. A method for lubricating a gear , the method comprising applying a lubricant composition onto gears , the lubricant composition comprising:at least 97 weight %, relative to the total weight of the lubricant composition, of at least one hydrocarbon oil which has a weight content of isoparaffins ranging from 90 to 100%, a weight content of normal paraffins ranging from 0 to 10% and a carbon content of biological origin equal to or higher than 90% relative to the total weight of the hydrocarbon oil; andat least 0.01 weight %, relative to the total weight of the lubricant composition, of at least one additive selected from among anti-wear additives, extreme-pressure additives, anticorrosion additives, metal-deactivators, anti-foam additives, antioxidant additives selected from among phenolic antioxidants, and mixtures thereof.17. The method according to claim 16 , wherein the composition comprises:from 97 to 99.95 weight % of hydrocarbon oil relative to the total weight of the lubricant composition; andfrom 0.05 to 3 weight %, relative to the total weight of the lubricant composition, of at least one additive selected from among anti-wear additives, extreme-pressure additives, anticorrosion additives, ...

In Situ Formation of Stable Aqueous, Semi-Aqueous or Non-Aqueous Slurry Suspensions of Gelatinous Particles for Separating and Suspending Inert and Abrasive Particles in a Carrier Medium

A stable aqueous, semi-aqueous or non-aqueous suspension medium to suspend inert organic or inorganic particles in the aqueous or polar solvent carrier containing gel particles as a separating and suspending agent for the inert organic or inorganic particle, which gel particles prevent agglomeration of the inert particles upon settling over extended periods of time. 1. A method for the suspension of inert colloidal or non-colloidal abrasive or non-abrasive inert particles in a stable aqueous , semi aqueous or organic carrier medium which comprises producing in-situ formed suspending particles , so as to establish an appropriate concentration of suspending particles to inert particles to produce sufficient interference to settling of said inert particles in said carrier medium , said carrier medium comprising a range from 0.1 to 60% by weight of the suspending particles , which differ from said inert particles , and are selected from the group consisting of alkaline earth metal and transition metal hydroxides , oxy hydroxides , and oxide hydrates that form in-situ said suspending particles within and inclusive of said carrier medium at a pH between 4 and 12 , the in situ formation of the suspending particles in the carrier medium resulting in the suspending particles exhibiting substantially uniform properties of having distinctly different molecular , configurational , rheological and physical structures than the carrier medium , a density greater than that of the carrier medium , visually identifiable and separate physical structure than the carrier medium , measureable size differences in a range between approximately 2-3 μm and 500 μm , and containing molecules of the carrier within which the suspending particle was formed but without a capacity for further reaction with the carrier medium , and independent of formation mechanism or origin of components , whereby said inert particles are suspended in said carrier medium by at least one of physical interference ...

LUBRICATING OIL COMPOSITIONS

A method of preventing or reducing the occurrence of Low Speed Pre-Ignition (LSPI) in a direct-injected, boosted, spark-ignited internal combustion engine that, in operation, generates a break mean effective pressure level of greater than about 15 bar, at an engine speed of from about 1500 to about 2500 rotations per minute (rpm), in which the crankcase of the engine is lubricated with a lubricating oil composition containing at least about 0.2 mass % of magnesium sulfated ash. 1. A method of preventing or reducing the occurrence of Low Speed Pre-Ignition (LSPI) in a direct-injected , boosted , spark-ignited internal combustion engine that , in operation , generates a break mean effective pressure level of greater than about 15 bar , at an engine speed of from about 1500 to about 2500 rotations per minute (rpm) , which method comprises the step of lubricating the crankcase of the engine with a lubricating oil composition containing at least about 0.2 mass % , based on the total mass of the lubricating oil composition , of magnesium sulfated ash.2. A method claim 1 , as claimed in claim 1 , wherein said engine generates a break mean effective pressure level of greater than about 20 bar claim 1 , at an engine speed of from about 1500 to about 2500 (rpm).3. A method claim 1 , as claimed in claim 1 , wherein said engine generates a break mean effective pressure level of greater than about 15 bar claim 1 , at an engine speed of from about 1500 to about 2000.4. A method claim 1 , as claimed in claim 1 , wherein said lubricating oil composition further contains a zinc-phosphorous compound in an amount introducing an amount of phosphorus within 100 ppm of the maximum amount of phosphorus allowed by industry standards for passenger car motor oils (PCMO).5. A method claim 1 , as claimed in claim 1 , wherein said lubricating oil composition further contains a zinc-phosphorous compound in an amount introducing from about 700 to about 800 ppm of phosphorus.6. A method claim 1 , ...

DRILLING FLUID FOR DOWNHOLE ELECTROCRUSHING DRILLING

The disclosure relates to an electrocrushing drilling fluid with an electrocrushing drilling base fluid including a non-polar oil, water, and glycerin. The base fluid may further include a polar oil and an alkylene carbonate. The electrocrushing drilling fluid may further contain at least one additive. The electrocrushing drilling fluid may have a dielectric constant or dielectric strength of at least a set amount, an electric conductivity less than a set amount, or a combination of these properties. The disclosure further relates to an electrocrushing drilling system containing the electrocrushing drilling fluid and an electrocrushing drill bit. 1. An electrocrushing drilling fluid comprising a electrocrushing drilling base fluid comprising at least one of water , an alkylene carbonate , and a polar oil , wherein the electrocrushing drilling base fluid has a dielectric constant of at least 6 at 100 kHz frequency.2. The electrocrushing drilling fluid further comprising non-polar oil , glycerin , or a combination thereof.3. The electrocrushing drilling fluid of claim 1 , wherein the electrocrushing drilling base fluid has a dielectric strength of at least 100 kV/cm at 10 microseconds rise time.4. The electrocrushing drilling fluid of claim 1 , wherein the electrocrushing drilling base fluid has an electric conductivity of less than 10mho/cm.5. The electrocrushing drilling fluid of claim 1 , wherein the electrocrushing drilling base fluid has an oil:water ratio between 50:50 and 99:1 (v:v).6. The electrocrushing drilling fluid of claim 1 , wherein the polar oil comprises a vegetable oil claim 1 , an ester oil claim 1 , or any combinations thereof.7. The electrocrushing drilling fluid of claim 1 , wherein the alkylene carbonate comprises butylene carbonate claim 1 , propylene carbonate claim 1 , or any combinations thereof.8. The electrocrushing drilling fluid of claim 1 , wherein the non-polar oil comprises a mineral oil claim 1 , a diesel oil or fuel claim 1 , a ...

Lubricating Compositions

A lubricating composition suited to use for lubricating a hydraulic system includes an oil of lubricating viscosity and a compound comprising a polyolefin-substituted bridged hydroxyaromatic compound or metal salt thereof, wherein the wherein the polyolefin is derived from a isobutylene having a number average molecular weight of 150 to 800. 1. A lubricating composition comprising:an oil of lubricating viscosity;a corrosion inhibitor selected from 2,5-bis(tert-dodecyldithio)-1,3,4-thiadiazole, tolyltriazole, or mixtures thereof;an antioxidant selected from aminic or phenolic antioxidants, or mixtures thereof;a dispersant;a neutral of slightly overbased calcium sulfonate;an anti-wear agent selected from zinc dialkyldithiophosphate, zinc dialkylphosphate, amine salt of a phosphorus acid ester, or mixtures thereof; anda compound comprising a polyolefin-substituted bridged hydroxyaromatic compound or salt thereof, wherein the polyolefin is derived from a branched alkene having at least 4 carbon atoms and wherein the polyolefin has a number average molecular weight of 150 to 800.2. The lubricating composition of claim 1 , wherein the branched alkene comprises isobutylene.3. The lubricating composition of claim 1 , wherein the polyolefin includes a chain derived from at least 4 claim 1 , or at least 5 claim 1 , or up to 6 claim 1 , or up to 7 claim 1 , or up to 8 claim 1 , or up to 18 branched alkene units.4. The lubricating composition of claim 1 , wherein the polyolefin has a number average molecular weight of 150 to 400.5. The lubricating composition of claim 1 , wherein the compound is a metal salt or pnictogen salt.6. The lubricating composition of claim 5 , wherein the metal in the salt comprises calcium.7. The lubricating composition of claim 1 , wherein the metal is overbased.8. The lubricating composition claim 1 , wherein the compound is bridged with a sulfide bridge.9. The lubricating composition of claim 1 , wherein the compound is bridged with an alkylene ...

LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINE

A lubricating oil composition for an internal combustion engine including: (A) a lubricant base oil having a kinematic viscosity at 100° C. of 2 to 8 mm/s and having an aromatic content of no more than 10 mass %; (B) a metallic detergent including: (B1) a metallic detergent overbased with calcium carbonate; and (B2) a metallic detergent overbased with magnesium carbonate; and (C) a molybdenum sulfide dithiocarbamate or a molybdenum oxysulfide dithiocarbamate, wherein the composition has, on the basis of the total mass of the composition, a calcium content of no more than 1500 mass ppm, a magnesium content of no less than 300 mass ppm, and a molybdenum content of no less than 600 mass ppm; and the composition has an HTHS viscosity at 150° C. of no more than 2.7 mPa·s. 1. A lubricating oil composition for an internal combustion engine comprising:{'sup': '2', '(A) a lubricant base oil having a kinematic viscosity at 100° C. of 2 to 8 mm/s and having an aromatic content of no more than 10 mass %;'} (B1) a metallic detergent overbased with calcium carbonate; and', '(B2) a metallic detergent overbased with magnesium carbonate; and, '(B) a metallic detergent comprising(C) a molybdenum sulfide dithiocarbamate or a molybdenum oxysulfide dithiocarbamate,wherein the composition has a calcium content of 1400 to 1500 mass ppm on the basis of the total mass of the composition;the composition has a magnesium content of 350 to 600 mass ppm on the basis of the total mass of the composition;the composition has a molybdenum content of no less than 600 mass ppm on the basis of the total mass of the composition;the composition has a boron content of 200 to 300 mass ppm on the basis of the total mass of the composition;the composition has an HTHS viscosity at 150° C. of no more than 2.7 mPa·s, and{'sub': 's', 'claim-text': {'br': None, 'i': 'r', 'sub': 's', '′=([S]′+[Mo]+[Zn])/([Mg]+2×[Ca])\u2003\u2003(2)'}, 'the composition has a parameter r′ represented by the following mathematical ...

Nanoparticle compositions and greaseless coatings for equipment

A composition that includes solid lubricant nanoparticles and an organic medium is disclosed. Also disclosed are nanoparticles that include layered materials. A method of producing a nanoparticle by milling layered materials is provided. Also disclosed is a method of making a lubricant, the method including milling layered materials to form nanoparticles and incorporating the nanoparticles into a base to form a lubricant.

LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINE

A lubricating oil composition for an internal combustion engine including: (A) a lubricant base oil having a kinematic viscosity at 100° C. of 2 to 5 mm/s; (B) a metallic detergent in an amount of 500 to 2500 mass ppm in terms of Ca and 100 to 1000 mass ppm in terms of Mg, on the basis of the total mass of the composition, the metallic detergent including both (B1) a Ca-containing metallic detergent and (B2) a Mg-containing metallic detergent; (C) a boron-containing additive in an amount of 50 to 1000 mass ppm in terms of boron on the basis of the total mass of the composition, wherein the boron-containing additive is oil-soluble or oil-dispersible and is stable in oil, and wherein the boron-containing additive may compose at least a part of the component (B); and (D) an oil-soluble organic Mo compound in an amount of 100 to 2000 mass ppm in terms of Mo on the basis of the total mass of the composition, wherein a mass ratio (MB/Mg) of boron content of the composition (MB) to Mg content of the composition (Mg) is 0.5 to 10.

DIELECTRIC NANOLUBRICANT COMPOSITIONS

A dielectric nanolubricant composition is provided. The dielectric nanolubricant composition includes a nano-engineered lubricant additive dispersed in a base. The nano-engineered lubricant additive may include a plurality of solid lubricant nanostructures having an open-ended architecture and an organic, inorganic, and/or polymeric medium intercalated in the nanostructures and/or encapsulate nanostructures. The base may include a grease or oil such as silicone grease or oil, lithium complex grease, lithium grease, calcium sulfonate grease, silica thickened perfluoropolyether (PFPE) grease or PFPE oil, for example. This dielectric nanolubricant composition provides better corrosion and water resistance, high dielectric strength, longer material life, more inert chemistries, better surface protection and asperity penetration, no curing, no staining, and environmentally friendly, compared to current products in the market. 1. A dielectric nanolubricant composition , the composition comprising:a nano-engineered lubricant additive dispersed in a base,wherein the nano-engineered lubricant additive comprises a plurality of solid lubricant nanostructures having an open-ended architecture and a medium selected from an organic medium, inorganic medium, polymeric medium, or combinations thereof,wherein medium intercalates and/or encapsulates the nanostructures, wherein the base comprises a grease or oil, and wherein the composition is dielectric.2. The composition of claim 1 , wherein at least a portion of the nanostructures have an average particle dimension of about a few tenths of a micron or less.3. The composition of claim 1 , wherein the nanostructures comprise a material selected from the group consisting of polytetrafluoroethylene (PTFE) claim 1 , cerium fluoride claim 1 , zinc oxide claim 1 , silica claim 1 , fluorinated carbon claim 1 , hexagonal boron nitride claim 1 , calcium carbonate claim 1 , calcium fluoride claim 1 , zirconium oxide claim 1 , and combinations ...

PREPARATION METHOD AND APPLICATION OF THE MULTICOMPONENT COMPOSITE SULFIDES LUBRICANT FILM

The invention relates to a multi-component composite sulfide solid lubricating film prepared by sulfurizing the surface of a high-entropy alloy. The high-entropy alloy is composed of five metal elements of Co, Cr, Fe, Ni and Mo or six metal elements of Co, Cr, Fe, Ni, Mo and W. The multi-component composite sulfide solid lubricating film of the invention is mainly applied to the friction pair surface of mechanical equipment, the lubricating film and the sulfurized base have high bonding strength, and multi-component composite sulfide solid lubricating films containing different sulfide lubricating phases can be chose and prepared according to the service environment of equipment. 1. A multi-component composite sulfide solid lubricating film prepared by sulfurizing the surface of a high-entropy alloy , whereinthe high-entropy alloy is composed of five or more metal elements, and the atomic mole percentage of each element ranges from 5% to 35%;the high-entropy alloy is composed of five metal elements of Co, Cr, Fe, Ni and Mo or six metal elements of Co, Cr, Fe, Ni, Mo and W.2. The multi-component composite sulfide solid lubricating film according to claim 1 , wherein the sulfurizing method is low-temperature ion sulfurization claim 1 , liquid sulfurization claim 1 , solid sulfurization or gas sulfurization.3. The multi-component composite sulfide solid lubricating film according to claim 2 , wherein the low-temperature ion sulfurization is carried out at a vacuum degree of 10 tor claim 2 , a pulse voltage of 550V-700V claim 2 , a sulfurization temperature of 180° C.-280° C. claim 2 , in the presence of hydrogen sulfide gas as sulfurization gas and hydrogen and argon as protective gas.4. The multi-component composite sulfide solid lubricating film according to claim 3 , wherein the low-temperature ion sulfurization treatment specifically comprises: placing a high-entropy alloy on a cathode tower in an ion sulfurization furnace body claim 3 , allowing the high-entropy ...

Valve Leak Repair Packing Material and Method of Using the Same

A non-curable injectable ester containing packing material for use in the repair of leaking valves contains a calcium sulfonate grease containing at least one polyalphaolefin, an ester, an anti-wear/anti-galling agent, a binding/thickening agent and a plasticizing agent. 1. A valve packing composition comprising:(a) a calcium sulfonate complex grease comprising at least one polyalphaolefin and at least one ester;(b) at least one anti-wear/anti-galling agent;(c) at least one binding/thickening agent; and(d) a plasticizing agent miscible with the ester of the calcium sulfonate complex grease.2. The valve packing composition of claim 1 , wherein the ester of the base oil is miscible with the plasticizing agent.3. The valve packing composition of claim 1 , wherein the plasticizing agent is miscible with the calcium sulfonate complex grease.4. The valve packing composition of claim 1 , wherein the calcium sulfonate complex grease comprises between from about 60 to about 95% by weight of the at least one polyalphaolefin and at least one ester.5. The valve packing composition of claim 1 , comprising:(a) from about 20 to about 60 w/w % of the calcium sulfonate complex grease;(b) from about 20 to about 50 w/w % of the anti-wear/anti-galling agent;(c) from about 5 to about 20 w/w % of the binding/thickening agent; and(d) from about 2 to about 20 w/w % of the plasticizing agent.6. The valve packing composition of claim 1 , wherein the calcium sulfonate complex grease comprises micellular calcium sulfonate particles in a base oil comprising the at least one polyalphaolefin and the at least one ester.7. The valve packing composition of claim 1 , wherein the at least one polyalphaolefin has a viscosity of 8 to 60 centistokes at 100° C.8. The valve packing composition of claim 1 , wherein the at least one polyalphaolefin is selected from the group consisting of polyethylenes claim 1 , polypropylenes claim 1 , polybutenes claim 1 , polypentenes claim 1 , polyhexenes and ...

Lubricating compositions comprising a molybdenum-containing amine compound

A lubricating composition containing an organic molybdenum compound having excellent oxidation stability that provides lubricity for long periods of time is provided. The lubricant comprises a molybdenum amine compound obtained by reacting a compound containing a hexavalent molybdenum atom with an amine represented by the following formula (1): where each of R 1 to R 3 represents a hydrogen atom and/or a hydrocarbon group having one or more carbon atoms, and at least one of R 1 to R 3 is a chain hydrocarbon group having 14 or more carbon atoms, or the following formula (2) wherein R 4 represents a chain hydrocarbon group having 10 or more carbon atoms, s represents 0 or 1, X and/or Y represents a hydrogen atom, a hydrocarbon group having at least one carbon atom, an alkanol group having 2 to 4 carbon atoms or an alkyl amino group having at least one carbon atom, and X and Y are not hydrogen atoms or hydrocarbon groups at the same time when s is 0. A lubricating composition containing the lubricant is also provided.

Process for producing a composite material for plain bearings with a plastic sliding layer and a paste suitable for this

Lubricant compositions comprising diol functional groups and methods of making and using same

Lubricating grease

A heavy-duty lubricating grease is shown which includes a synthetic fluid base and a thickener system. The heavy-duty grease can be used in both rolling element and journal type rock bit bearings to drill in heavy-duty, high temperature applications, such as in the bearing structures of rock bits used to drill hot subterranean formations.

Fused metallic friction materials

A friction material member particularly useful in high load and temperature applications and a method for making the same are disclosed. The friction material member is made by preparing a mixture of sinterable metal particles, carbonaceous material, friction enhancers and curable polymeric resin; the mixture comprising at least about 50 percent by weight of metal particles and sufficient resin to coat and bond the metal particles, carbonaceous material and friction enhancers. The mixture is molded and the resin cured to form a piece in a solid preformed shape corresponding to the shape of the mold. Thereafter, the preformed piece is heated in a substantially oxygen free atmosphere for a time and at temperatures and pressures sufficient to fuse at least a portion of the metal particles into a sintered metal matrix. The preformed piece may be sintered to a metal backing plate during the heating step, or may be welded, brazed or soldered to the plate after heating. The resulting product may be classified as a hybrid friction material, i.e., being a cross between semi-metallic and sintered full metallic friction materials.

Disc drive spindle motor having hydro bearing with lubricant optimized with disc drive compatible additives

디스크 드라이브(10)는 하우징(12), 중심축(80), 상기 하우징에 대해 고정되고 상기 중심축과 동축을 이루는 고정 부재와(34), 상기 고정 부재에 대해 상기 중심축을 중심으로 회전 가능한 회전형 부재(36)를 포함한다. 고정자(38)는 상기 하우징에 대해 고정된다. 회전자(70)는 상기 회전형 부재에 의해 지지되고 상기 고정자에 자기적으로 결합된다. 적어도 하나의 데이터 저장 디스크(16)는 상기 회전형 부재에 부착되고 상기 회전형 부재와 동축을 이룬다. 유압 베어링(37)은 상기 고정 부재와 상기 회전형 부재를 상호 접속시키며, 유압 베어링에서의 촉매 저하를 억제하는데 효과적인 적어도 110의 점성률을 갖는 기본 유체(84), 산화방지 첨가제, 부식방지 첨가제 및 마모방지 첨가제의 혼합물을 포함한다. The disc drive 10 includes a housing 12, a central axis 80, a fixing member 34 fixed to the housing and coaxial with the central axis, and rotatable about the central axis with respect to the fixing member. And a typical member 36. Stator 38 is fixed relative to the housing. The rotor 70 is supported by the rotatable member and magnetically coupled to the stator. At least one data storage disc 16 is attached to and coaxial with the rotatable member. The hydraulic bearing 37 interconnects the stationary member and the rotatable member and has a basic fluid 84, an antioxidant additive, an anticorrosion additive, and a viscosity of at least 110, which is effective for suppressing catalyst degradation in the hydraulic bearing. A mixture of antiwear additives.

润滑油组合物及其制造方法

一种润滑油组合物，其是含有下述成分(A)～(C)的润滑油组合物：基础油(A)；钙系清净剂(B)，其选自碱值为5.00mgKOH/g以上且100mgKOH/g以下的磺酸钙(B1)、具有支链状的非环式烃基的水杨酸钙(B2)、和具有支链状的非环式烃基的过碱性的苯酚钙(B3)的1种以上；以及无灰系清净剂(C)，其选自在1分子内具有1个哌啶衍生骨架的受阻胺化合物(C1)、和特定的二乙醇胺化合物(C2)的1种以上，其中，以上述润滑油组合物的总量基准计，钙原子的含量为100质量ppm以上且600质量ppm以下，上述无灰系清净剂(C)的氮原子的含量(N C )与上述钙系清净剂(B)的钙原子的含量(Ca B )之比(N C /Ca B )以质量比计为1.3～3.1。

用于等速万向节的润滑脂组合物

一种用于等速万向节的润滑脂组合物，主要由如下组分组成：(a)基础油；(b)脲增稠剂；(c)二硫化钼；(d)选自如下的钙盐或者高碱性钙盐：氧化蜡的钙盐或高碱性钙盐、石油磺酸的钙盐或高碱性钙盐、烷基芳基磺酸的钙盐或高碱性钙盐、水扬酸的钙盐或高碱性钙盐或者酚的钙盐或高碱性钙盐；(e)无金属硫—磷极压剂；和(f)二硫化氨基甲酸钼。该润滑脂组合物显示出极好的耐磨性能和耐点蚀作用。

一种垃圾处理器润滑剂及其制备方法

本发明公开了一种垃圾处理器润滑剂及其制备方法，按重量份计，由氧化聚乙烯蜡30～50份、滑石粉25～35份、羧甲基纤维素钠8～12份、硅藻土4～8份、基础油2～4份、氟硅油2～4份、磷酸1～3份、辛基酚1～3份、硫酸锌0.5～1份、齐墩果酮酸0.5～1份、二硫化钼0.5～1份、抗氧剂0.2～0.6份和抗乳化剂0.2～0.6份组成；本发明通过氧化聚乙烯、滑石粉、羧甲基纤维素钠、硅藻土、基础油、氟硅油、磷酸、辛基酚、硫酸锌、齐墩果酮酸、二硫化钼、抗氧剂和抗乳化剂合理的配比，抗氧剂的使用，可延缓或抑制聚合物氧化过程的进行，从而阻止聚合物的老化并延长其使用寿命，该润滑剂具有化学性质稳定，避免与污水发生化学反应，润滑性能好的特点。

一种改进的加工中心用切削液

本发明涉及一种改进的加工中心用切削液，按重量份数计，它包括硼酸盐15‑22份、聚醚化合物16‑20份、烷基酚聚氧乙烯醚10‑15份、二元酸酐8‑13份、丙三醇6‑9份、偏硅酸钠5‑15份、氯化石蜡3‑8份、苯骈三氮唑2‑9份、蓖麻油酸1‑5份、硫代硫酸钠3‑4份、表面活性剂1‑3份、防锈添加剂0.5‑0.6份、水21‑29份。本发明性能优异，可循环利用。

Lubricating oil compositions

A method of preventing or reducing the occurrence of Low Speed Pre-Ignition (LSPI) in a direct-injected, boosted, spark-ignited internal combustion engine that, in operation, generates a break mean effective pressure level of greater than about 1,500 kPa (15 bar), at an engine speed of from about 1500 to about 2500 rotations per minute (rpm), in which the crankcase of the engine is lubricated with a lubricating oil composition containing at least about 0.2 mass % of magnesium sulfated ash.

Lubricating oil compositions

A method of preventing or reducing the occurrence of Low Speed Pre-Ignition (LSPI) in a direct-injected, boosted, spark-ignited internal combustion engine that, in operation, generates a brake mean effective pressure level of greater than about 1,500 kPa (15 bar), at an engine speed of from about 1500 to about 2500 rotations per minute (rpm), in which the crankcase of the engine is lubricated with a lubricating oil composition containing at least about 0.2 mass % of magnesium sulfated ash provided by overbased detergent containing overbased magnesium-based detergent and overbased calcium-based detergent.

Lubricating compositions

Lubricant compositions comprising diol functional groups and methods of making and using same

Lubricant compositions having at least one base oil composition including about 1.0 to about 15.0 wt% water, and a friction-reducing composition including a glycerol or thioglycerol compositions are described. Methods for making such lubricant compositions and methods of drilling using such lubricant compositions are also described.

Patent SU413179A1

Grease composition for constant velocity joints

본 발명은 등속조인트용 그리스 조성물에 관한 것으로서, 더욱 상세하게는 (a) 기본유; (b) 우레아 증감제; (c) 몰비브덴 디설파이드; (d) 산화왁스, 석유술폰산, 알킬아릴술폰산, 살리실산 및 페녹시화물의 칼슘염 또는 과염기의 칼슘염중에서 선택된 칼슘염 또는 과염기의 칼슘염; (e) 금속을 함유하지 않은 황-인계 극압제; 그리고 (f) 몰리브덴 디티오카바메이드가 필수적으로 함유되어 이루어져 있어, 우수한 내마모도와 박리억제효과를 나타내는 등속조인트용 그리스 조성물에 관한 것이다.

Inorganic gel composition

Functional fluids and liquid cleaning compositions and suspending media

Aqueous structured surfactants, e.g., lamellar, or preferably spherulitic systems optionally containing suspended solids are used as functional fluids, such as drilling fluids, cutting fluids, hydraulic fluids, heat transfer fluids, construction muds and lubricants. A composition consisting essentially of: water; a surfactant or mixture of surfactants present in a concentration sufficient to form a mobile spherulitic or dispersed lamellar phase in the absence of an electrolyte; and a substantially water insoluble functional material, suspended in the composition, the composition being substantially free from electrolyte.

Functional fluids and liquid cleaning compositions and suspending media

Aqueous structured surfactants, e.g., lamellar, or preferably spherulitic systems optionally containing suspended solids are used as functional fluids, such as drilling fluids, cutting fluids, hydraulic fluids, heat transfer fluids, construction muds and lubricants. A composition consisting essentially of: water; a surfactant or mixture of surfactants present in a concentration sufficient to form a mobile spherulitic or dispersed lamellar phase in the absence of an electrolyte; and a substantially water insoluble functional material, suspended in the composition, the composition being substantially free from electrolyte.

降低钻柱扭矩的添加剂

一种降低用于钻探地下井的钻柱扭矩的方法，其包括向钻井流体中注入包含基础流体和聚合物包被的胶体固体材料的组合物。聚合物包被的胶体固体材料包含：重均粒径(d 50 )小于10微米的固体颗粒、以及在用于制备胶体颗粒的粉碎(即，磨碎)过程中包被到固体颗粒表面上的聚合物分散剂。聚合物分散剂可以是分子量为至少2000道尔顿的水溶性聚合物。所述固体颗粒材料可以选自比重为至少2.68的材料，优选固体颗粒材料可以选自硫酸钡(重晶石)、碳酸钙、白云石、钛铁矿、赤铁矿、橄榄石、陨铁、硫酸锶、以及这些材料与对本领域技术人员来说显而易见的其它类似固体的组合和混合物。

Lubricant compositions

Lubricant composition containing spherical particles of a ceramic material dispersed in a supporting vehicle. The composition is used as a lubricant, metalworking cooling fluid, drilling fluid or drilling mud.

Additive for reducing torque on a drill string

A method of reducing the torque of a drill string used in drilling a subterranean well that includes injecting into the drilling fluid a composition including a base fluid and a polymer coated colloidal solid material. The polymer coated colloidal solid material includes: a solid particle having an weight average particle diameter (d5o) of less than ten microns, and a polymeric dispersing agent coated onto the surface of the solid particle during the cominution (i.e. grinding) process utilized to make the colloidal particles. The polymeric dispersing agent may be a water soluble polymer having a molecular weight of at least 2000 Daltons. The solid particulate material may be selected from materials having of specific gravity of at least 2.68 and preferably the solid particulate material may be selected from barium sulfate (barite), calcium carbonate, dolomite, ilmenite, hematite, olivine, siderite, strontium sulfate, combinations and mixtures of these and other similar solids that should be apparent to one of skill in the art.

Stable liquid suspension compositions

A stable liquid suspension composition comprising a liquid carrier, a solid fatty acid or a salt thereof, and a solid particulate is disclosed wherein said liquid carrier is selected from the group consisting of oils, olefins, terpenes, glycols, esters, ethers, alcohols, and combinations of any two or more thereof and said liquid carrier, solid fatty acid or salt thereof, and solid particulate are each present in said composition in a stabilizing amount sufficient to produce a stable liquid suspension. Also disclosed is a stable liquid composition comprising a liquid carrier, an oil-soluble polymer, and a solid particulate wherein said liquid carrier is selected from the group consisting of liquid alkenes, terpenes, esters, and combinations of any two or more thereof and said liquid carrier, oil-soluble polymer, and solid particulate are each present in said composition in a stabilizing amount sufficient to effect the formation of a stable liquid suspension.

Liquid cleaning compositions and suspending media

Corrosion protective coatings

Lubricious thermoplastic compounds and thermoplastic articles made therefrom

Coal mine waterpower measure drill rod thread stop-leak compound

本发明公开了一种煤矿水力化措施用钻杆螺纹密封脂，包括甲基丙烯酸、二缩三乙二醇、硫酸、对苯二酚、甲苯、聚2,6‑二甲基‑1，4‑苯醚、聚醋酸乙烯酯、苯乙烯弹性体、云母、超细石墨粉、陶瓷颗粒、聚丙烯纤维、异丙苯过氧化氢、N‑甲基二乙醇胺、酸化糖精、阻聚剂、抗氧剂、增粘剂；所述陶瓷颗粒的粒径为2.8μm；耐高温可达700℃、耐高压100MPa，浸润性好，密封脂可充分填充螺纹所有可能泄漏通道,并固化形成一种弹塑体聚合物,在螺纹表面形成密封层，使密封处没有空穴和缝隙，因此不会存留潮气或其它腐蚀性物质，减少了腐蚀作用，密封性好，且不含油脂、无铅、无重金属、无毒、无非生物降解成分，润滑性好，可防止粘扣现象产生。

A kind of photocatalysis concrete parting agent and preparation method thereof

本发明涉及一种光催化混凝土脱模剂及其制备方法，制备该脱模剂的原材料包括以下重量百分含量的材料组分：动物油脂2～5％、硬脂酸3～6％、机油1～3％、氢氧化钠0.1～2％、磷酸三丁酯0.1～0.3％、聚羧酸减水剂0.1～1％、聚合硫酸铁0.1～0.5％、蒙脱石负载纳米TiO 2 光催化剂10～20％，余量为水。本发明制备的光催化混凝土脱模剂脱模效果好，并且具有良好的光催化性能，可有效降解空气污染物，并且制备成本低。另外，本发明提供的光催化混凝土脱模剂的制备方法工艺简单，反应条件温和，适于工业推广。

Lubricating coating agent for plastic working and method for producing same

본 발명은 종래 이황화몰리브덴으로 대표되는 흑색계 고체 윤활제를 함유하는 윤활 피막이 아니면 실용상의 적용이 곤란하였던 고난이도의 단조를 가능하게 하는, 비흑색계 고체 윤활 재료를 함유하여 이루어지는 소성 가공용 윤활 피막제와 이를 피복한 금속 재료를 제공한다. 또한, 본 발명은 황산 또는 황산염과 칼슘 화합물을 수중에서 반응시킴으로써 석출되는 황산칼슘의 수화물 중 특정한 인편상의 결정형상을 갖는 것을, 피막 중의 고형분비로 5 질량％ 이상 함유하는 것을 특징으로 하는 소성 가공용 윤활 피막제와 이를 피복한 금속 재료에 의해서 해결할 수 있다. The present invention relates to a lubricant film for plastic working comprising a non-black solid lubricant which enables forging of a high degree of difficulty, which was not practical in practical applications, except for a lubricant film containing a black solid lubricant typified by molybdenum disulfide, Thereby providing a metal material. Further, the present invention relates to a lubricating encapsulating agent for plastic working, characterized by containing a specific grains having a specific grains in crystal form among the hydrates of calcium sulfate precipitated by reacting sulfuric acid or a sulfate with a calcium compound in water in an amount of 5% And a metal material coated with the same.

Additive for reducing torque on a drill string

一种降低用于钻探地下井的钻柱扭矩的方法，其包括向钻井流体中注入包含基础流体和聚合物包被的胶体固体材料的组合物。聚合物包被的胶体固体材料包含：重均粒径(d 50 )小于10微米的固体颗粒、以及在用于制备胶体颗粒的粉碎(即，磨碎)过程中包被到固体颗粒表面上的聚合物分散剂。聚合物分散剂可以是分子量为至少2000道尔顿的水溶性聚合物。所述固体颗粒材料可以选自比重为至少2.68的材料，优选固体颗粒材料可以选自硫酸钡(重晶石)、碳酸钙、白云石、钛铁矿、赤铁矿、橄榄石、陨铁、硫酸锶、以及这些材料与对本领域技术人员来说显而易见的其它类似固体的组合和混合物。

COMPOSITION AND METHODS FOR MACHINING METALS AND FEEDING A LUBRICATING COMPOSITION, LUBRICATED METAL SURFACE AND ARTICULOMANUFACTURED

Una composicion para maquinado de metales, que comprende la provision como lubricante a dicho metal o a la herramienta para maquinar el metal o aambos, una cantidad efectiva para lubricar de una composicion de fluido lubricante que comprende uno o más componentes solubles en agua seleccionadosde: un primer grupo (A) que comprende: amidas, poliamidas, aminoácidos, sales y ésteres; poliaminoácidos, sales y ésteres; ácidos monocarboxílicos de unoa seis átomos de carbono, sales y ésteres; ácidos policarboxílicos, sales o ésteres; ácidos sulfonicos y sales, un compuesto de azufre seleccionado apartir de mercaptano, sulfuro, disulfuro y polisulfuro; ácidos mercaptocarboxílicos, sales o ésteres; aminoácidos sustituidos, sales oésteres; organosulfonatos; sulfuro de sodio o potasio; sulfuro ácido de sodio y potasio; ácidos orgánicos que contienen una o más porciones seleccionadasdel grupo que consta de carboxilato, sulfato, sulfonato, fosfato y fosfonato,presentes como ácidos libres, o sus sales; ácidos orgánicos que contienen unao más porciones seleccionadas del grupo que consta de carboxilato, sulfato, sulfonato, fosfato y fosfonato, presentes como ácidos libres o sus sales, y,adicionalmenteuna porcion seleccionada del grupo que consta de sulfona, sulfonamida, éster sulfonico, sulfato éster, éster carboxílico, cetona, amida,amina, éter, sulfuro, disulfuro o arilo; y opcionalmente, uno o más componentes seleccionados de un segundoGrupo (B) que comprende: fosfatos, boratos,fosfonatos, fosfito e hipofosfitos; y cuya composicion proporciona un efecto efecto de lubricacion sinérgico o un efecto de funcionalidad agregada. Tambiénse incluye como accesorios: métodos para maquinado de metales y de alimentacion de una composicion lubricante, superficie de metal lubricada y artículo A metal machining composition, comprising the provision as a lubricant to said metal or to the tool for machining the metal or both, an effective lubricating amount of a lubricating fluid composition ...

CONCENTRATED LUBRICANT COMPOSITION, LUBRICANT THAT RESULTS FROM ITS DILUTION AND METHOD

Una composición lubricante concentrada, lubricante que resulta de su dilución y método para su utilización. El lubricante incluye compuestos aminade fórmula R1 - O - R2 -NH2; R1 - O - R2 -NH - R3 - NH2 y mezclas de los mismos, donde R1 puede seruna alquilo lineal saturado o no saturado C6-C18, R2puede ser un alquilo lineal o ramificado C1-C8, y R3 puede ser un alquilo lineal o ramificado C1-C8 y un inhibidor de corrosión. La composiciónlubricante incluye preferiblemente un ácidopolicarboxílico como inhibidor de corrosión. La composición también puede incluir un hidrotropo, estabilizador, y un agente tensioactivo para proveer detergencia a la composición cuando es diluida y utilizada. La invención también incluye unasolución lubricante queresulta de la dilución de este concentrado. A concentrated lubricating composition, lubricant that results from its dilution and method for its use. The lubricant includes amine compounds formula R1-O-R2-NH2; R1 - O - R2 - NH - R3 - NH2 and mixtures thereof, where R1 can be a C6-C18 saturated or unsaturated linear alkyl, R2 can be a C1-C8 linear or branched alkyl, and R3 can be a linear or C1-C8 branched and a corrosion inhibitor. The lubricating composition preferably includes a polycarboxylic acid as a corrosion inhibitor. The composition may also include a hydrotrope, stabilizer, and a surfactant to provide detergency to the composition when diluted and used. The invention also includes a lubricating solution resulting from dilution of this concentrate.

A CONCENTRATED LUBRICATING COMPOSITION, A COMPREHENSIVE LUBRICANT AND A METHOD FOR LUBRICATING A CONVEYOR EQUIPMENT THROUGH SUCH COMPOSITION

Se relaciona con una composición lubricante de equipos transportadores mecanizados, en particular de aquellos utilizados en el embotellado y trasladode envases de bebidas y productos comestibles. La composición lubricante concentradacomp rende: a) una cantidad lubricante efectiva de un compuesto deamina de la fórmula: R1-O-R2-NH2R1-O-R2-NH-R3-NH2 y mezclas delos m ismos, donde R1 es un grupo alquilo C6-C18 lineal, saturado ono saturado, R2 es un grupo alquilo C1-C8 lineal o ramificado, y R3 puede ser un grupo alquilo C1-C8 lineal o ramificado; b) una cantidad efectiva deagente acidulante para proveerun pH d e aproximadamente 5 a 10; y c) una cantidad efectiva de un agente tensioactivo para proveer detergencia a lacomposición al ser disuelta y usada. La solución resultante de la dilución tiene el compuesto de amina en unaconcentración de ent re 10 ppm y 10000 ppm.También se describe un método para lubricar un equipo transportador que utiliza dicha composición. It is related to a lubricating composition of mechanized conveyor equipment, particularly those used in bottling and transporting beverage containers and edible products. The concentrated lubricating composition comprises: a) an effective lubricating amount of an amine compound of the formula: R1-O-R2-NH2R1-O-R2-NH-R3-NH2 and mixtures thereof, where R1 is a C6 alkyl group -C18 linear, saturated or unsaturated, R2 is a linear or branched C1-C8 alkyl group, and R3 can be a linear or branched C1-C8 alkyl group; b) an effective amount of acidifying agent to provide a pH of approximately 5 to 10; and c) an effective amount of a surfactant to provide detergency to the composition when dissolved and used. The solution resulting from the dilution has the amine compound at a concentration of between 10 ppm and 10,000 ppm. A method for lubricating a conveyor equipment using such composition is also described.

USE OF MOLYBDENUM DISULFIDE, ZINC NAPHTHENATE AND ONE OR MORE METAL DITIOPHOSPHATES, AND OPTIONALLY ONE OR MORE METAL DITIOCARBAMATES

La presente invención se refiere a composiciones lubricantes que comprenden un aceite de base de origen mineral y/o sintético en combinación con un aditivoreductor de fricción, combinación que comprende disulfuro de molibdeno, naftenato dezi nc y por lo menos un ditiofosfato de metal y opcionalmente porlo menos un ditiocarbamato de metal. Una grasa lubricante que comprende tal composición en combinación con un espesante, que puede ser un compuesto deurea, un jabón simple delitio, es particularmente adecuada para lubricar uniones de velocidad constante tales como uniones esféricas de velocidadconstante. Así, la invención se refiere también a un método de lubricación de una unión de velocidad constante con dichacomposici ón, y a la unión develocidad constante así lubricada. The present invention relates to lubricating compositions comprising a base oil of mineral and / or synthetic origin in combination with a friction reducing additive, a combination comprising molybdenum disulfide, naphthenate dezi nc and at least one metal dithiophosphate and optionally therefor minus a metal dithiocarbamate. A lubricating grease comprising such a composition in combination with a thickener, which may be a deurea compound, a simple delithium soap, is particularly suitable for lubricating constant speed joints such as constant speed spherical joints. Thus, the invention also relates to a method of lubricating a constant speed joint with said composition, and the constant speed joint thus lubricated.

A COMPOSITION OF FAT THAT INCLUDES A BASE OIL AND A THICKENER, USE OF THE SAME AND A METHOD TO PREPARE IT

Una composicion de grasa que comprende un aceite base y un espesante, grasa que comprende adicionalmente 0,05% a 30% en peso de tiosulfato de sodio y al menos 0,1% en peso de uno o más aditivos (A) seleccionados del grupo formado por salicilato de calcio, salicilato de magnesio, fenato de calcio y/o sulfonato de calcio, en base a la composicion de grasa total; uso de dicha composicion de grasa para mejorar la prevencion de la oxidacion y la resistencia a la abrasion, y un método para preparar dicha composicion de grasa. A fat composition comprising a base oil and a thickener, a fat that additionally comprises 0.05% to 30% by weight of sodium thiosulfate and at least 0.1% by weight of one or more additives (A) selected from the group formed by calcium salicylate, magnesium salicylate, calcium phenate and / or calcium sulphonate, based on the total fat composition; use of said fat composition to improve oxidation prevention and abrasion resistance, and a method of preparing said fat composition.

The wear-resistant grinding fluid of environmental protection

本发明提出了一种环保抗磨磨削液，按照重量百分数计算，包括以下组分：植物油25～55％、吐温5～12％、椰子油脂肪酸二乙醇酰胺2～5％、阴离子表面活性剂0.5～2％、氯化石蜡1～3％、防锈剂0.4～0.8％及pH调节剂0.1～0.2％，余量为水。该抗磨磨削液不仅冷却性能优异，还对环境无污染。

Fibrous polyurea grease

(57)【要約】 基油と、トルエンジイソシアネート、脂肪族アミン及びアルキルフェニルアミンの反応生成物からなる繊維状ジウレア増ちょう剤を含有する繊維状グリース。

Grease composition for constant velocity joints

Biodegradable environment-friendly lubricating oil

本发明公开了一种可生物降解环保润滑油，其特征在于，包括如下重量份的原料：改性植物油50‑60份；抗氧化剂1‑3份；粘度改进剂1‑3份；防锈剂1‑3份；所述改性植物油通过甲基含氢硅油硅氢加成植物油，再通过与磷酸酯类化合物进行酯交换制备得到；所述防锈剂是由聚乳酸与十二烯基丁二酸酯化反应得到。本发明公开的可生物降解环保润滑油比现有技术中公开的润滑油粘温性能更好、润滑效果更显著，氧化稳定性更优异，且可生物降解，对环境污染造成的污染少。

A kind of environmental protection wire cutting liquid and preparation method thereof

本发明属于金属加工及精细化工产品制备领域，涉及一种无需偶合反应的线切割液，具体涉及一种环保线切割液及其制备方法，包括如下质量份的各物质：松香1～14份、植物油酸1～14份、碱液10～30份、自来水20～50份、防锈剂1～5份、石油磺酸钠5～10份、合成油2～5份、聚乙二醇1～15份、酒精3～8份、抗泡剂0.1份，其中，碱液的质量浓度为50％。其具有好的耐热性能、耐光性能，且能适用于寒冷地区使用；还能满足较高的线切割速度。

Nanoparticle modified lubricants and waxes with enhanced properties

The present invention provides compositions and products, such as waxes and lubricants, comprising a plurality of nanoparticles dispersed in a continuous phase comprising a vegetable oil derived material, such as one or more vegetable oils or a synthetic product derived from one or more vegetable oils. Incorporation of nanoparticles in the present compositions is beneficial for providing mechanical, thermal and/or chemical properties useful for a selected product or product application. In some compositions of the present invention, for example, incorporation of the nanoparticle component provides compositions derived from one or more vegetable oils exhibiting enhanced mechanical stability, hardness, viscosity, thermal stability and mechanical strength.

A kind of wire drawing powder suitable for secondary metal processing

本发明涉及金属拉丝技术领域，公开了一种适用于再生金属加工的拉丝粉，按照重量份计由以下成分制成：二丁基锡二马来酸酯30‑35份、再生润滑油20‑30份、2，4‑二甲基‑6‑叔丁基苯酚15‑20份、壬基酚聚氧乙烯醚10‑15份、甜菜碱8‑10份、精制云母粉20‑25份、硫酸氧钛5‑7份、硬脂酸锌10‑12份、硬脂酸钙7‑10份、纳米氧化锌1‑3份、去离子水10‑14份，制备的拉丝粉化学稳定性好、遮盖力强、折射率高、耐高温，能够极好的保护再生金属在拉丝中不会在强力作用下损坏，同时具有很好的耐磨损性、抗氧化性、防锈性等。

LUBRICANTS FOR HOT TREATMENT OF METALS BY PRESSURE

Antioxidant and composition containing it

High lubricity solid lubricant

本发明提供一种非黑色、廉价、容易获得且具有作为固体润滑剂的优异润滑性能的以硫酸钙为基底的润滑涂料，其是在塑性加工中的通过钢材的表面扩大、减薄拉深而实现薄膜化的特别充足量的有机系润滑剂和固体润滑剂在微观上也能持续均匀的功能的新技术。本发明的固体润滑剂，其特征在于，其为在硫酸钙晶体的表面使脂肪酸的钙盐析出而成的固体润滑剂。

Metal working water and metal working composition

냉각성 및 윤활성이 뛰어나며, 환경에 악영향을 미치게 하지 않는 금속가공용수 혹은 조성물이다. 불소이온, 탄산수소이온, 및 규소로 이루어지는 군으로부터 선택되는 1종이상 및 나트륨이온을 포함하고, pH 6.0 ∼ 10으로 조정한 물을 그대로 금속가공용수로서 사용하거나, 이 금속가공용수에 방청제등의 첨가물을 혼합시켜 조성물을 조정하고, 절삭유의 대신으로 사용한다. It is a metal processing water or composition that is excellent in cooling and lubricity and does not adversely affect the environment. Water containing at least one selected from the group consisting of fluorine ions, hydrogen carbonate ions, and silicon and sodium ions, and adjusted to pH 6.0 to 10 is used as the metal working water as it is, or to the metal working water, The additives are mixed to adjust the composition and used in place of cutting oil.

A kind of biodegradable environment-protective lubricant oil and preparation method thereof

本发明公开了一种可生物降解环保润滑油，其特征在于，包括如下重量份的原料：改性植物油50‑60份；抗氧化剂1‑3份；粘度改进剂1‑3份；防锈剂1‑3份；所述改性植物油通过甲基含氢硅油硅氢加成植物油，再通过与磷酸酯类化合物进行酯交换制备得到；所述防锈剂是由聚乳酸与十二烯基丁二酸酯化反应得到。本发明公开的可生物降解环保润滑油比现有技术中公开的润滑油粘温性能更好、润滑效果更显著，氧化稳定性更优异，且可生物降解，对环境污染造成的污染少。

Lubricant for hot pressing of metals

Water soluble cutting fluid

With excellent adhesion tail seal grease of shield and preparation method thereof

本发明公开了一种具有优异粘附性盾尾密封油脂及其制备方法，各组成成分及其质量份数如下：12～18份的基础油、18～25份的增强剂，25～35份的粘度指数改进剂、45～55份的填充剂、15～20份的优化润滑剂；其中所述增强剂的各组成成分及其质量比例如下：棉花7～12%，石棉12～20%，竹纤维20～30%，石墨烯15～25%，pp纤维25～35%。本申请具备良好粘稠度，成本低廉、密封性极高、润滑性好、挥发性低以及存储稳定性高的特性。

Constant velocity universal joint for propeller shaft

Multi-layer sliding member and rack guide in rack-and-pinion steering device for automobiles using same

A multilayered sliding member 51 includes: a backing plate 52 formed of a steel plate; a porous metal sintered layer 53 formed integrally on the surface of the backing plate 52; and a sliding layer 54 constituted of a synthetic resin composition filling pores of, and coating the surface of, the porous metal sintered layer 53, the synthetic resin composition being composed of 5 to 30% by weight of a barium sulfate, 1 to 15% by weight of a magnesium silicate, 1 to 25% by weight of a phosphate, 0.5 to 3% by weight of a titanium oxide, and the balance of a polytetrafluoroethylene resin.

Wear-resistant lubricant composition

The present lubricant compositions comprise a mixture of graphite, molybdenum disulfide and polytetrafluoroethylene in specified proportions within a matrix of an organic resin. When applied to surfaces that are in sliding contact with one another the compositions exhibit high wear resistance, good initial conformability, and a coefficient of friction following use that is lower than the initial coefficient of friction. The compositions are particularly suited for application to engine pistons.

Multi-layer sliding member and rack guide in rack-and-pinion steering device for automobiles using same

Coated coating and plain bearing composite layer with such

Gleitlackbeschichtung (11, 12, 13, 41, 42, 43) mit wenigstens 25 Vol.-% eines Binders (16) und mit Füllstoffen, die Zinksulfid (18) und Bariumsulfat (20) und wahlweise weitere Füllstoffe umfassen, wobei das Volumenverhältnis von Zinksulfid (18) zu Bariumsulfat (20) zwischen 0,1 und 15,7 beträgt. Lubricating varnish coating (11, 12, 13, 41, 42, 43) comprising at least 25% by volume of a binder (16) and fillers comprising zinc sulfide (18) and barium sulfate (20) and optionally further fillers, the volume ratio of Zinc sulfide (18) to barium sulfate (20) is between 0.1 and 15.7.

Lubricating oil with modified additive and preparation method thereof

本发明公开了一种带有改性添加剂的润滑油及其制备方法，具体涉及润滑油制备技术领域，所使用原料(按重量份数计)包括基础油73～85份、复合剂8～15份、粘滞剂3～5份、降凝剂1～3份、抗泡剂1～3份和增粘剂1～3份，所使用辅料(按重量份数计)包括乙二硫醇15～20份、六氯环戊二烯17～25份。本发明通过抗泡剂和增粘剂与基础油的混合，能增加润滑油的粘度，减小温度变化对机油粘度的影响，改善机油黏温性，减小了油品与空气的接触面积，防止油品氧化变质，通过氧化液的制作，对石墨烯进行了两次氧化处理，使石墨烯材料能够直接应用到润滑领域，润滑油具有良好的承载和抗磨减摩能力，有效增加润滑油的抗磨擦性能并降低发动机的损耗。

Grease

Consistent grease

FIELD: lubricants. SUBSTANCE: lubrication composition containing natural-origin or synthetic base oil with friction-reducing additive combination containing molybdenum disulfide, zinc naphthenate, and one or several metal dithiophosphates includes also thickener, more specifically an urea compound, simple lithium soap or complex lithium soap. Such grease is particularly suitable to grease hinges rotating at constant speed, e.g. to grease ball-and-socket hinges. EFFECT: lowered coefficient of friction and diminished wear scar under elevated loadings. 9 cl, 6 tbl, 26 ex Асс ПЧ сэ (19) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ ВИ” 2181 371‘ (51) МПК? 13) С2 169/06, 125:22, 129:58, 137:10, 117:00, 119-24), С 10 М 30:06 С 10 М 141/40, 169/06//(С 10 М 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 98102119/04, 10.07.1996 (24) Дата начала действия патента: 10.07.1996 (30) Приоритет: 11.07.1995 ЕР 95304827.9 (43) Дата публикации заявки: 10.01.2000 (46) Дата публикации: 20.04.2002 (56) Ссылки: ЕР 191608 АЗ, 20.08.1986. ЕР 508115 АЛ, 14.10.1992. 4$ 3801503 А, 02.04.1974. КЦ 2017800 СЛ, 15.08.1994. 5Ц 960234 А, 29.09.1982. (85) Дата перевода заявки РСТ на национальную фазу: 11.02.1998 (86) Заявка РСТ: ЕР 96/03058 (10.07.1996) (87) Публикация РСТ: М/О 97/03152 (30.01.1997) (98) Адрес для переписки: 129010, Москва, ул. Б. Спасская, 25, стр.3, ООО "Юридическая фирма Городисский и Партнеры", Н.Г.Лебедевой (71) Заявитель: ШЕЛЛ ИНТЕРНЭШНЛ РИСЕРЧ МААТСХАППИИ, Б.В. (М) (72) Изобретатель: ФЛЕТЧЕР Роберт Энтони (СВ) (73) Патентообладатель: ШЕЛЛ ИНТЕРНЭШНЛ РИСЕРЧ МААТСХАППИИ, Б.В. (М) (74) Патентный поверенный: Лебедева Наталья Георгиевна (54) КОНСИСТЕНТНЫЕ СМАЗКИ (57) Использование: смазка поверхностей трения. Сущность: смазочный состав содержит базовое масло естественного или искусственного происхождения в сочетании с уменьшающей коэффициент трения аддитивной комбинацией, содержащей дисульфид молибдена, нафтенат цинка и один или несколько ...

Multilayer slide and automotive rack-and-pinion steering mechanism rack

FIELD: transport. SUBSTANCE: invention relates to automotive industry. Multilayer slide comprises support plate made from sheet steel, porous cermet layer made integral on support plate surface, and sliding layer. The layer is composed of composition based on synthetic resin filling cermet layer pores and covering it. Said composition comprises 5-30 wt % of barium sulphate, 1-15 wt % of magnesium silicate, 1-25 wt % of phosphate, 0.5-3 wt % of titanium oxide, PTFE resin making the rest. Said rack-and-pinion steering mechanism comprises gearbox, gear, and rack to engage with said gear. Rack rests on its guide to slide thereon. Note here that rack guide is pressed to rack by spring. Rack guide comprises main body with its surface getting into sliding contact with gearbox surface, and said multilayer slide with its thrust plate secured to rack guide body. EFFECT: increased wear resistance of tire. 9 cl, 6 dwg, 4 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 476 343 (13) C2 (51) МПК B62D 3/12 (2006.01) B32B 15/08 (2006.01) B32B 27/08 (2006.01) C08K 3/32 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2011106541/11, 26.08.2009 (24) Дата начала отсчета срока действия патента: 26.08.2009 (73) Патентообладатель(и): Оилз Корпорейшн (JP) (43) Дата публикации заявки: 10.10.2012 Бюл. № 28 2 4 7 6 3 4 3 (45) Опубликовано: 27.02.2013 Бюл. № 6 (56) Список документов, цитированных в отчете о поиске: EP 1647574 A1, 19.04.2006. JP 7166182 A, 27.06.1995. JP 2006037044 A, 09.02.2006. JP 3212442 A, 18.09.1991. JP 2006056205 A, 02.03.2006. RU 2205756 C2, 10.06.2003. 2 4 7 6 3 4 3 R U (86) Заявка PCT: JP 2009/004149 (26.08.2009) C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 29.03.2011 (87) Публикация заявки РСТ: WO 2010/023911 (04.03.2010) Адрес для переписки: 127006, Москва, ул. Долгоруковская, 7, Садовая Плаза, 11 этаж, фирма "Бейкер и Макензи", пат.пов. Ю.А. Пыльневу (54) МНОГОСЛОЙНЫЙ ПОЛЗУН И ...

Grease composition for constant velocity joints

Grease composition for constant velocity joints

A grease composition for constant velocity joints which consists essentially of: (a) a base oil; (b) an urea thickener; (c) molybdenum disulfide; and (d) a metal salt or an overbasic metal salt selected from the group consisting of metal salts or overbasic metal salts of oxidized waxes, petroleum sulfonates, alkyl aryl sulfonates, salicylate, and phenates. In addition to (a) to (d), it may further contain, (e) an extreme pressure agent selected from the group consisting of a metal-free sulfur-phosphorus extreme pressure agent and molybdenum dithiophosphate, or (f) molybdenum dithiocarbamate. The grease composition exhibits excellent wear-resistance and pitting-inhibitory effect.

Lubricating liquid

Rolling bearing with grease for alternator

Grease composition for constant velocity joint

본 발명은 (a) 기본오일; (b) 우레아계 증감제; (c) 몰리브데늄 디설파이드; 그리고 (d) 산화왁스, 석유설폰산, 알칼아릴설폰산, 살리실산 및 페네이트의 금속염 또는 과염기금속염 중에서 선택된 금속염 또는 과염기금속염을 필수성분으로 함유하는 등속조인트용 그리스 조성물에 관한 것이다. 또한 본 발명은 상기 (a)∼(d)를 필수성분으로 하고, 여기에 (e) 금속을 함유하지 않은 황-인계 극압제 및 몰리브데늄 디티오포스페이트 중에서 선택된 극압제, 또는 (f) 몰리브데늄 티디오카바메이트가 함유되어 있는 등속조인트용 그리스 조성물을 포함한다. 본 발명의 등속조인트용 그리스 조정물은 현저한 내마모 효과 및 현저한 피팅 억제효과를 갖고 있다.

Lubricant for hot metal forming

Corrosion protective coatings

The disclosure relates to temporary corrosion resistant coatings and films upon metal substrates, e.g., metal tools and dies. The temporary coatings and films will not adversely chemically alter the surface of the underlying substrate. The coatings/films comprise a mixture of at least one of an acrylic, water, an oil, silica, at least one silicate, surfactants and optionally one or more buffering materials and waxes.

Lubricant composition used in rolling of plate and mold materials

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

A kind of method of aluminum alloy surface wearability under raising DRY SLIDING

本发明涉及一种提高干摩擦条件下铝合金表面耐磨性的方法，所述方法包括如下步骤：1）表面微织构；2）阳极氧化前预处理，包括：a）超声清洗；b）涂胶；c）碱蚀；d）水洗；e）酸洗；f）水洗；g）除灰；h）水洗；3）阳极氧化；4超声波沉积纳米固体润滑剂；5）将步骤4）中超声波沉积纳米固体润滑剂的铝合金在烘箱中干燥，以改善纳米固体润滑剂颗粒对基材的粘附强度，即得。本发明在铝合金表面依次通过表面微织构加工，阳极氧化预处理，阳极氧化，超声波沉积纳米固体润滑剂等工艺，协同改善铝合金表面耐磨性，本发明的方法简单、易于实现，并且显著降低了铝合金的表面摩擦系数，大幅度提高了铝合金的表面耐磨性。