ПОЛИМЕР, ПРИГОДНЫЙ В КАЧЕСТВЕ УЛУЧШИТЕЛЯ ИНДЕКСА ВЯЗКОСТИ

Настоящее изобретение относится к полимерам, полезным в качестве улучшителей индекса вязкости, и смазочным композициям. Описан полимер, пригодный в качестве улучшителя индекса вязкости, содержащий структурные единицы, полученные из одного или более этиленненасыщенных сложноэфирных соединений формулы (I)где R является водородом или метилом, Rозначает линейный, разветвленный или циклический алкильный остаток с 1-6 углеродными атомами, Rи Rнезависимо представляют водород или группу формулы -COOR′, где R′ означает водород или алкильную группу с 1-6 углеродными атомами, структурные единицы одного или более этиленненасыщенных сложноэфирных соединений формулы (II)где R является водородом или метилом, Rозначает 2-алкил-разветвленный алкильный остаток с 12-18 углеродными атомами, Rи Rнезависимо являются водородом или группой формулы -COOR″, где R″ означает водород или алкильную группу с 12-18 углеродными атомами, и структурные единицы одного или более этиленненасыщенных сложноэфирных соединений ...

ГОТОВАЯ К ЭКСПЛУАТАЦИИ КОРОБКА ПЕРЕДАЧ, РАБОЧАЯ ЖИДКОСТЬ ДЛЯ НЕЕ И СПОСОБ ДЛЯ ЕЕ ПЕРВИЧНОГО ВВОДА В ЭКСПЛУАТАЦИЮ

Изобретение относится к коробке передач, в частности к смазке высоконагруженных зубчатых колес коробки передач. Готовая к эксплуатации коробка передач с зубчатыми колесами должна эксплуатироваться со смазочным и охлаждающим средством, с лучшим теплоотводом и с независимой от температуры вязкостью. Смазочное и охлаждающее средство коробки передач содержит смесь воды и алифатического углеводорода, в которой суспендированы частицы графита. Преимущественно смесь содержит от 40 до 60 весовых процентов алифатического углеводорода или же содержащего такие углеводороды соединения, и от 2 до 20 весовых процентов графита в форме хлопьевидных частиц графита с размером зерен менее 12 микрометров. Остаток - вода и другие примеси и/или присадки. Достигается повышение надежности и компактности путем применения заявленной рабочей жидкости для смазки и охлаждения коробки передач. 3 н. и 13 з.п. ф-лы, 2 ил.

ЖИДКИЕ ДОБАВКИ ДЛЯ СТАБИЛИЗАЦИИ СМАЗОЧНЫХ КОМПОЗИЦИЙ

... 1. Жидкая композиционная присадка, содержащая: ! (А) алкилированный дифениламин; !(В) по меньшей мере 5 мас.% фенилнафтиламина в расчете по массе композиционной присадки; и ! (С) серосодержащий фенол. ! 2. Композиционная присадка по п.1, содержащая алкилированный дифениламин в количестве в интервале от 50 до 99 мас.%, предпочтительно от 70 до 90 мас.% в расчете по массе композиционной присадки. ! 3. Композиционная присадка по п.1, содержащая фенилнафтиламин в количестве в интервале от 1 до 50 мас.%, предпочтительно от 10 до 20 мас.% в расчете по массе композиционной присадки. ! 4. Композиционная присадка по п.1, содержащая серосодержащий фенол в количестве от 5 до 50 мас.%, предпочтительно от 10 до 20 мас.% в расчете по массе композиционной присадки. ! 5. Композиционная присадка по п.1, содержащая алкилированный дифениламин в количестве по меньшей мере 50 мас.%, предпочтительно по меньшей мере 70 мас.% в расчете по массе композиционной присадки, и серосодержащий фенол в количестве по меньшей ...

ГОТОВАЯ К ЭКСПЛУАТАЦИИ КОРОБКА ПЕРЕДАЧ, РАБОЧАЯ ЖИДКОСТЬ ДЛЯ НЕЕ И СПОСОБ ДЛЯ ЕЕ ПЕРВИЧНОГО ВВОДА В ЭКСПЛУАТАЦИЮ

... 1. Готовая к эксплуатации коробка передач с высоконагруженными зубчатыми колесами, корпус которой образует содержащий смазочное и охлаждающее средство поддон, в который погружаются зубчатые колеса, отличающаяся тем, что она содержит в качестве смазочного и охлаждающего средства смесь воды и алифатического углеводорода с по меньшей мере двумя гидроксильными группами или же содержащего такие углеводороды соединения, в которой суспендированы частицы графита с размером зерен менее 50 мкм. ! 2. Готовая к эксплуатации коробка передач по п.1, отличающаяся тем, что смазочное и охлаждающее средство содержит от 25 до 75 вес.% алифатического углеводорода или же содержащего такие углеводороды соединения, и от 1 до 30 вес.% графита в форме хлопьевидных частиц графита с размером зерен менее 20 мкм, остаток - вода и другие примеси и/или присадки. ! 3. Готовая к эксплуатации коробка передач по п.2, отличающаяся тем, что смазочное и охлаждающее средство содержит от 40 до 60 вес.% алифатического углеводорода ...

НОВЫЕ АМИНОБИСФОСФОНАТНЫЕ ПРОТИВОИЗНОСНЫЕ ПРИСАДКИ

ПРИСАДОЧНЫЙ КОНЦЕНТРАТ

... 1. Присадочный концентрат, содержащий- по меньшей мере 90 вес.% базового масла процесса Фишера-Тропша в расчете на общий вес присадочного концентрата;- по меньшей мере 3,0 вес.% модификатора вязкости в расчете на общий вес присадочного концентрата; и- менее чем 5,0 вес.% усилителя растворяющей способности в расчете на общий вес присадочного концентрата.2. Присадочный концентрат по п.1, который содержит менее чем 10,0 вес.%, предпочтительно менее 5,0 вес.%, более предпочтительно менее 2,0 вес.% и, еще более предпочтительно, менее 1,0 вес.% базового масла не из процесса Фишера-Тропша в расчете на общий вес присадочного концентрата.3. Присадочный концентрат по п.1, в котором базовое масло процесса Фишера-Тропша имеет кинематическую вязкость при 100°С (согласно ASTM D 7042) ниже 5,0 мм/с, предпочтительно ниже 4,5 мм/с и, более предпочтительно, ниже 4,2 мм/с.4. Присадочный концентрат по п.1, в котором базовое масло процесса Фишера-Тропша имеет индекс вязкости (согласно ASTM D 2270) не ниже 125 ...

ДИСПЕРГАТОРЫ НА ОСНОВЕ ПРОИЗВОДНЫХ ПОЛИОЛЕФИНА

Flüssige Zusammensetzung zur Anwendung in einer Fluidkupplung

VERFAHREN ZUR HERSTELLUNG VON DETERGENTIEN

Schmiermittel fuer Kurbelgehaeuse von Verbrennungskraftmaschinen

Zusatzmittel zu Schmieroelen

Zusaetze zu Schmiermitteln

VERFAHREN ZUR HERSTELLUNG EINER KRAFTUEBERTRAGUNGSFLUESSIGKEIT.

Verwendung von Diestern zweiwertiger aliphatischer Alkohole als Schmiermittel

High alkalinity lubricating oil additives containing phosphorus and sulphur

A lubricating oil additive is prepared by reacting at an elevated temperature, e.g. 100-140 DEG C., an oil solution of an oil-soluble sulphonate, an acidic phosphorus-containing hydrocarbon, and an alkyl phenol, with CO2 in the presence of an alkali or alkaline earth metal hydroxide in sufficient proportions to ensure a final product that is alkaline. The sulphonate is preferably a petroleum sulphonate, e.g. of molecular weight 350-600 and may be an alkali or alkaline earth metal sulphonate. The product may have an alkalinity index greater than 50. The phosphorus-containing hydrocarbon is preferably a phosphosulphurised hydrocarbon and may be derived from a wide range of saturated and unsaturated, cyclic and acyclic hydrocarbons including petroleum fractions; preferred are polyolefines, e.g. polyisobutylene of molecular weight 600-300. The mixture of sulphonate and phosphorus compound preferably contains 75-25% of the sulphonate by weight. The alkyl phenol may contain 5-30 carbon atoms ...

Improvements in lubricating compositions

... 522,191. Lubricating-compositions. UNITED STATES RUBBER CO. June 14, 1939, No. 17381. Convention date, July 7, 1938. [Class 91] Lubricating oils or greases with a high film strength and suitable for extreme pressure lubrication are prepared by adding to lubricating oils or greases a bis-alkyl xanthogene having at least three carbon atoms in the alkyl group and having a decomposition point of at least 150‹C. Compounds mentioned include bis-butylxanthogene, bis-propylxanthogene, bis-amylxanthogene, bis-isobutylxanthogene, bisheptylxanthogene, bis-octylxanthogene, bis-decylxanthogene, bis-dodecylxanthogene, and bisbenzylxanthogene. The xanthogenes are added in amounts of from 0.1-10 per cent. by weight of the oil or grease.

Procedure for the improvement of the extreme pressure lubricating oils

An extreme-pressure lubricating composition contains a lubricating oil and (1) a chlorinated hydrocarbon and (2) a minor proportion of a sulphur-containing fraction from the pyrolysis or distillation of bituminous shale, preferably a fraction containing from 13 to 25 per cent of sulphur mainly present as high molecular weight alkyl thiophenes and boiling above 200 DEG C, preferably between 250 DEG C ano 300 DEG C. Alternatively, a fraction as at (2) above may be chlorinated or condensed with a polychlorinated hydrocarbon, and the product used instead of or with addition (1). Fraction (2) above or its chlorination product may also be treated with a sulphide of phosphorus before addition to the lubricating oil, or the fraction may be phosphorized and then chlorinated. The composition may also contain a triaryl phosphate. Suitable chlorinated hydrocarbons are obtainable from gas oil, kerosene, paraffinic oils, paraffin wax or synthetic hydrocarbons. In typical examples, (1) mineral oil is ...

Lubricating compositions

A lubricating composition comprises a major proportion of a water-miscible polyoxyalkylene fluid which has lubricating properties, and a minor proportion of boric acid, a water-soluble aliphatic hydroxy carboxylic acid or a watersoluble sulphhydryl analogue thereof, or of a mixture of two or more such acids. Preferred water-miscible polyoxyalkylene fluids are the polymers or copolymers of one or more alkylene glycols or alkylene oxides and the ethers and esters of such polymers or copolymers. A list of suitable water-soluble aliphatic hydroxy carboxylic acids is given, the acids being subdivided into monohydroxy carboxylic acids, polyhydroxy carboxylic acids and hydroxy polycarboxylic acids. In the examples, lubricating compositions are described which consist of (a) an ethylene oxide-propylene oxide copolymer and boric, citric, tartaric, lactic or alphahydroxy valeric acid; (b) polyethylene glycol and thioglycollic acid; and (c) butylene glycol-ethylene glycol copolymer and glycollic acid ...

ESTERS OF -3,5-DISUBSTITUTED-4-HYDROXY-PHENYL-ALKANOLS AND THEIR USE AS STABILIZERS

... 1355109 Esters of -(3,5-disubstituted-4-hydroxyphenyl)alkanols GAF CORP 22 Sept 1971 [28 Sept 1970] 44225/71 Heading C2C [Also in Divisions C3 and C5] The invention comprises compounds of formula wherein R1 and R11 each represents a C 1-24 alkyl group, a C 7-18 aralkyl or a C 6-18 cycloalkyl group; R represents a C 1-25 alkyl group, a C 6-18 cycloalkyl group, a C 6-18 aryl group or. a C 7-18 arylalkyl group; m represents an integer of from 2 to 10 and n represents an integer of 1 to 9. The following compounds are prepared in the examples: terephthalate ester of 3-(3,5-di-tert.- butyl - 4 - hydroxyphenyl) - propanol; 1,2,4- benzenetricarboxylate of 3 - (3,5 - di - tert.- butyl - 4 - hydroxyphenyl) - propanol; stearate of 3 - (3,5 - di - teft. - butyl - 4 - hydroxyphenyl)- propanol; 3,6 - endomethylene - 1,2,3,6- tetrahydrophthalic acid ester of 3 - (3,5 - ditert. - butyl - 4 - hydroxyphenyl) - propanol; dimer acid ester of 3-(3,5-di-tert.-butyl-4- hydroxyphenyl) - propanol ...

Improvements in or relating to lubricating compositions

Amine fluoborates of formula RxABF4, where R is an amine and x is 1 or more, are prepared by interaction of an amine with a fluoborate such as ammonium fluoborate. Amines mentioned are aniline, diethylene triamine, 3-di-n-amylaminepropylamine, monoethanolamine, phenylethanolamine, aminoethylethanolamine and nitron (1,4-diphenyl-3,5-endoanilino-4,5-dihydro-1,2,4-triazole).ALSO:A lubricating composition comprises a major proportion of hydrocarbon oil and a minor proportion of a fluoborate RxHBF4, where R is an amine and x may be 1 or more. The hydrocarbon oil may be of natural or synthetic origin. Fluoborates mentioned are those of diethylene triamine, nitron, aniline, aminoethylethanolamine, 3 - di - n - amylaminopropylamine, monoethanolamine and phenylethanolamine. From 0.5 to 5 per cent of the fluoborate is preferably used. Additives, such as extreme pressure additives composed of chlorine-, sulphur- or lead-containing compounds, may also be added.

Improvements in or relating to extreme pressure lubricants

Mineral lubricating oils, for example bright stocks, which have been reacted with from 5-25 per cent by weight of a phosphorus sulphide are stabilized by further reaction with from 2-30 per cent of a reactive olefin. Olefins specified are aliphatic and cycloaliphatic olefins such as isobutylene and diisobutylene and terpenes such as turpentine, dipentene, alpha-pinene and terpinene; the dipentene may be the commercial product containing also terpinolene, alpha-pinene, para-cymene, alpha-terpineol and D 2,4(8)-p-methadiene. Sulphides referred to are P2S5, P2S3, P4S3 and P4S7.ALSO:Lubricating compositions comprise lubricating oil, for example mineral oil, and from 5-30 per cent. by weight of an extreme pressure additive comprising a mineral lubricating oil which has been reacted with from 5-25 per cent. by weight of a phosphorus sulphide and then further reacted with from 2-30 per cent. of a reactive olefin, 0.02-1 per cent. of an oil-soluble petroleum sulphonate and 0.05-2 per cent. of the ...

Improvements relating to new improvement agents for lubricating oils

The invention comprises improvement agents for lubricating oils having the general formula, wherein R1 and R2 are alkyl, aryl, aralkyl, alkaryl or cycloalkyl radicals, A, B and C are hydrogen or alkyl or alkylol radicals, and X is an integer from 1 to 4. The compounds may be prepared by forming the zinc complex, e.g. by reaction of zinc sulphate or chloride with ammonia or the appropriate amine, followed by reaction with an alkali metal salt, preferably the sodium salt, of the selected dithiophosphoric diester, or the zinc salt of a dithiophosphoric acid ester may be formed initially and reacted with the appropriate amine or ammonia. Suitable amines include ethylamine, propylamine, isopropylamine, ethanolamine, diethanolamine, triethanolamine, di-isopropylamine, diethylamine and triethylamine. Examples of R1 and R2 specified are methyl, ethyl, propyl, lauryl, octadecyl, tetradecyl, phenyl and naphthyl. In examples (a) sodium dihexyldithiophosphate was treated with ...

Power transmitting fluids with improved materials compatibility

Improvements in liquid hydrocarbon stabilised against deterioration caused by oxidation or polym erisation

Oil-soluble ester salts or halogenation products of phosphites resulting from the reaction of phosphorus trichloride with a compound of the class consisting of cyclohexanol, homologues of cyclohexanol, mixtures of cyclohexanol and its homologues and mixtures of homologues of cyclohexanol, are employed as additives in liquid hydrocarbon compositions (see Group III). The halogenation product may contain a minor amount of combined halogen, present therein either as the result of direct halogenation of the phosphite or as the result of the reaction with the phosphorustrichloride. The ester salts are obtained by neutralizing free hydroxyl radicles in the phosphite with a base or by partially saponifying the phosphite with a base. Bases mentioned are sodium, potassium ammonium and substituted ammonium hydroxides, but ester salts of other metals may be obtained from the alkali metal ester salts by double decomposition. The PCl3-treatment of a commercial cyclohexanol containing minor amounts of ...

Improvements in lubricating compositions containing extreme pressure addition agents

An extreme pressure lubricating composition comprises a major proportion of a lubricating oil base, a minor proportion of an oil-soluble extreme pressure addition agent obtained by reacting a phosphorus-and sulphur-containing reagent with an organic material, and a minor proportion of an oil-soluble corrosion inhibitor chosen from a list given. The load carrying ability of the lubricating oil base is substantially increased by the inclusion therein of the minor proportion of the extreme pressure addition agent, which is one whose effectiveness is dependent upon its ability to react chemically with the metallic surfaces to be lubricated, while the inclusion of the corrosion inhibitor does not substantially decrease the extreme pressure proportions imparted by the extreme pressure addition agent. The lubricating oil base may be of mineral, animal, vegetable or synthetic origin or may comprise a mixture of mineral and non-mineral oils. Those fatty acids, such as oleic acid, which are oily ...

LUBRICANT FOR A CONTROLLED-SLIP DIFFERENTIAL

... 1390755 Lubricants SUN OIL CO OF PENNSYLVANIA 18 Feb 1972 [19 Feb 1971 (2) 17 Jan 1972] 11323/74 Divided out of 1390051 Headings C5E and C5F A lubricant composition for a controlled-slip differential gear comprises (1) a surface active phosphate ester of a linear aliphatic ethoxylated alcohol and (2) a hydrocarbon base stock having a pnuematic viscosity at 210‹ F. of 1À5-200 cs. and containing a major amount of a blend of at least one C 13 -C 29 naphthene, and 0À1-20 wt. per cent of at least one of (a) a synthetic C 3 - C 8 polyolefin; (b) wholly or partially hydrogenated (a); (c) a hydrorefined naphthenic or paraffinic lube oil containing less than 1% of gel aromatic hydrocarbons. The amount of blend present in the base stock is sufficient to provide a greater coefficient of traction, measured at 600 ft./ min., 200‹ F. and 400,000 p.s.i., than would be provided by substitution of the same amount of ASTM Oil No. 3 for the blend. The lubricant may also contain a sulphurized blend of lard ...

Improvements in or relating to lubricating oils

Polythio and poly seleno-acetic acid esters of the general formula R.OOC.CH2-(X)n-CH2.COO.R wherein R is an alkyl, aryl or cycloalkyl radical which may contain halogen substituents, X is sulphur or selenium and n is 2, 3 or 4 when X is sulphur and is 2 or 3 when X is selenium may be prepared by the following methods. In the case where X is sulphur, the corresponding a -chloro or bromo-acetic esters may be reacted with sodium di- or polysulphides in alcoholic solution, the corresponding a -mercapto esters may be oxidized to give the disulphides or the a -mercapto esters may be reacted with sulphur dichloride or monochloride to give the tri- and tetra-sulphides respectively. Thus, in example (1) n-butyl monochloracetate and alcoholic sodium disulphide yield di-n-butyl-dithiodiacetate; (2) sodium polysulphide used as in (1) yields di-n-butyl-trithiodiacetate; (3) n-butyl thioglycollate and sulphur monochloride in benzene yield di-n-butyl tetrathiodiacetate. In like manner, ethyl monochloracetate ...

Automatic transmission and wet brake fluids and additive packages therefor

Process and apparatus for carrying out chemical reactions

... 1,191,220. Gas/liquid fluidised bed catalytic reactor. SHELL INTERNATIONALE RESEARCH MAATSGHAPPIJ N.V. 5 July, 1968, No. 32239/68. Heading B1F. [Also in Division C5] In a gas/liquid fluidised bed catalytic reactor, Fig. 1, oil to be desulphurised from heat exchanger 4 and furnace 7 is introduced at 8 and passes up through reactor 9 together with hydrogen gas from 11 through perforated gas distributors 10, 17 and 24 and fluidised catalyst beds 14, 19 and 27 supported on grids 12 covered with a wire mesh screen and ceramic balls 13, 20 and 26. Hydrogen is introduced via 21 and 20. Cooling quench oil is introduced at 16 and 21. Desulphurised product leaves at 36 and hydrogen is recycled via 11. The gas distributors 10, 17 and 24 comprise an upper horizontal perforated plate, a lower horizontal plate and chimneys passing through the distributors.

Improvements relating to lubricants and to lubrication

Lubricating-compositions especially for use under high pressures consist of a major amount of a lubricating - oil base and a halogenated organic compound together with a separate oxygen- or sulphurcontaining compound. Suitable halogenated organic compounds are described in Specifications 451,411, 451,412, 452,914, 453,114, and 453,115. Oxygen-containing organic compounds used consist of, ethers, alcohols, phenols; compounds, containing the CO radicle such as aldehydes ketones, amides, acids, esters, salts of acids and thio esters; hetero-cyclic compounds containing oxygen such as furan; organic compounds containing inorganic radicles such as arsenate, cyanate, chlorate, nitrate, oxime, phosphate, sulphate, sulphone, and thio-phosphate. Examples, oleic or stearic acid, dibutyl phthalate, butyl naphthenate, aniline oleate, quinoline stearate, or fatty oils. Compounds containing oxygen and halogen may be used. Examples, chlorinated phenols, chlorbenzyl alcohol, chlorsalicylic acid, chlorphenyl ...

A method for making polyoxyalkylene glycols

Lubricants comprise polyoxyalkylene glycols containing both the oxyethylene and oxy-1 : 2-propylene radicals and having an average molecular weight of at least 500 which are prepared from ethylene, propylene and butylene glycols or their dimers and trimers and a mixture of ethylene oxide and propylene oxide by reaction according to specified conditions (see Group IV (b)). They may be used as lubricants for metal surfaces, textile fibres such as wool, cotton, flax and hemp and synthetic fibres and rubber, either alone, in aqueous solution, or with viscosity-reducing diluents such as glycol ethers. When the glycol products are refined by water washing, the aqueous extract may be stripped to yield lower molecular weight glycols which may also be used as lubricants. Examples are given of products derived from diethylene glycol.ALSO:Polyoxyalkylene glycols having a polyalkylene chain containing both the oxyethylene and oxy-1 : 2-propylene radicals are prepared by introducing a mixture (containing ...

Improvement in lubricants and additional compositions therefor

Phospho-sulphurized, phosphorized or sulphurized organic materials are employed as ingredients in compositions for adding to lubricating oil (see Group III). Materials mentioned are (i) those obtained by heating one of the following first with sulphur and then with P4S3: methyl oleate, lauryl oleate, oleyl oleate, benzyl oleate, naphthenyl oleate, methyl cyclohexyl oleate, phenyl oleate, glycol dioleate, glycerol trioleate, thiomethyl oleate, thioamyl oleate, thiophenyl oleate, methyl ricinoleate, lauryl ricinoleate, benzyl ricinoleate, methyl linoleate, oleyl acetate, lard oil, rapeseed oil, sperm oil, peanut oil, partially hydrogenated soyabean oil, partially hydrogenated linseed oil, partially hydrogenated tung oil, oleyl alcohol, turpentine, wax unsaturate prepared by dehydrochlorinating chlorinated paraffin wax, fuel oil unsaturate prepared by dehydrochlorinating chlorinated fuel oil, white oil unsaturate prepared by dehydrochlorinating chlorinated white oil, cetene, oleic acid; (ii ...

Mixed esters of 1,1,1-trimethylolethane and lubricant compositions containing them

The invention comprises a mixed ester of 1,1,1-trimethylol ethane in which two hydroxy groups are esterified with the same or two different straight chain C4-6 alkanoic acids and the other hydroxyl group is esterified with a straight chain C7-10 alkanoic acid, the ester having a molecular weight of from 390 to 460. The invention also comprises the product obtainable by esterifying the triol with a mixture of about 2 equivalents of one or more of the C4-6 acids and about 1 equivalent of one or more of the C7-10 acids, the product having a molecular weight of from 390 to 460. The esters may be made by mixing the triol with the acids and then heating until reaction is complete or reacting the triol with one acid and then reacting the partial ester formed with the other acid or acids. Solvents and a catalyst or active carbon may be present. The preparation is described of the trimethylol ethane divalerate mono pelargonate, dibutyrate mono pelargonate, divalerate mono heptanoate, divalerate ...

TRIAZINE DERIVATIVES

... 1320568 Hexahydro-s-triazine derivatives GAF CORP 2 June 1970 [5 June 1969] 26594/70 Heading C2C [Also in Divisions C3 and C5] Novel hexahydro-s-triazine derivatives have the following general formula wherein R and R1 are each (C 1 -C 24 ) alkyl groups, or aryl, cycloalkyl or aralkyl groups, provided that when one of R and R1 is alkyl, the other is hydrogen, halogen, or an alkoxy, carbalkoxy, haloalkyl, acyl or alkoxycarbonyl group; n is 0 or 1; A is an alkylene chain, and at least one of R and R1 is ortho to the hydroxy group. The novel compounds may be prepared by either (a) reacting trioxane with acrylonitrile in the presence of H 2 SO 4 to give hexahydro- 1,3,5-triacrylyl-s-triazine and reacting this with a 2,6-dialkylphenol in the presence of a base, (b) reacting phenol with acrylonitrile in the presence of HCl and AlCl 3 to give 4-hydroxybenzyl cyanide, reacting this with an olefin in the presence of an acid to give 3,5-dialkyl-4- hydroxybenzylcyanide and ...

LUBRICATING COMPOSITIONS

... 1471313 Lubricants INSTITUT FRANCAIS DU PETROLE 3 June 1974 [4 June 1973] 24483/74 Heading C5F [Also in Division C3] A lubricating composition comprises at least 5% of hydrocarbon oil, which may be a mineral oil or an olefine oligomer, and at least 5% of an ester-ether of the formula R4(COX) m , where R4 represents the hydrocarbon radical of a dimeric or trimeric acid derived from an unsaturated aliphatic monocarboxylic acid of 14 to 22 carbon atoms per molecule, or a mixture of the dimeric and trimeric acids, m is 2 or 2 respectively, and X represents monovalent radicals of which 85 to 1% are of the formula -OR6 and 15 to 99% of the formula -(OR5) n OR6, where R6 represents the hydrocarbon radical of a monohydrie aliphatic or alicyclic alcohol or phenol, R5 represents an alkylene radical, up to C 5 , and n is a number from 2 to 50. The dimeric or trimeric acid may have been hydrogenated. The composition may also contain up ...

Copolymeric dispersants and lubricant compositions containing them

Oil-soluble copolymers consisting of (A) a compound having an olefinic double bond and an oil-solubilizing group of 4 to 30 aliphatic carbon atoms and (B) an alpha, beta-unsaturated carboxylic acid in which from 1 to 10 of the carboxyl groups are ester-linked to a poly-1,2-alkylene oxide glycol and from 1 to 10 of the carboxyl groups are ester linked to an alcohol which, in addition to the hydroxy group through which the ester linkage is formed, is substituted by at least one hydroxyl, mercapto, nitro, or amine radical are made by (1) polymerizing an appropriate monomeric mixture, (2) introducing into a homopolymer of (A) the desired radicals or (3) aftertreating a copolymer of (A) and an alpha, beta-unsaturated carboxylic acid. (A) may be selected from an extensive list including hexene-1, cyclohexene and substituted cyclohexenes, p-octylstyrene, 2-hexadecyl-butadiene-1,3, vinyl n-butyl ether, allyl cyclohexyl ether, methallyl n-hexyl ether, vinyl p-octylphenyl ether, 1-decenyl 2-phenylbutyl ...

SYNTHETIC OILS

LIQUID ORGANOPOLYSILOXANE COMPOSITIONS

TRACTION FLUID LUBRICANTS

AUTOMATIC TRANSMISSION AND WET BRAKE FLUIDS AND ADDITIVE PACKAGES THEREFOR

LIQUID ORGANOSILOXANE COMPOSITIONS

Improvements relating to petroleum hydrocarbon products and the manufacture of addition agents therefor

Oxidation and deterioration of petroleum hydrocarbon products is inhibited by incorporating therein a small quantity of the reaction product of sulphur and phosphorus, or of a phosphorus sulphide with or without either or both of sulphur and phosphorus, with a compound having the formula ArXMT where Ar is an aromatic or substituted aromatic nucleus, X is a non-metal of Group 6 of the periodic table, M is a divalent metal of Group 2 of the periodic table and T is OH or (OM)n XAr where n is O, 1 or 2. The aromatic nucleus may be benzene, biphenyl, naphthalene or anthracene and may contain substituents such as the alkyl, aryl, carboxyl, hydroxyl, alkoxy, sulphhydryl, nitro, esterified carboxyl, keto, amino, aldehydo, chlormethyl, aminomethyl, alkyl thiomethyl, alkyl xantho methyl, metal substituted carboxyl, metal substituted hydroxyl or sulphhydryl groups or the halogens. Thus, the compound to be phosphorized and sulphurized may have the formula RArXMT where R represents at least one alkyl ...

Improvements relating to lubricants

Lubricants which withstand high pressure consist of a hydrocarbon oil, a soluble lead compound and "corrosive" sulphur, the ratio of lead to "corrosive" sulphur being not substantially less than 6 to 1. "Corrosive" sulphur is that form which will discolour a copper surface, and the amount of "corrosive" sulphur in a compound is measured by the diminution of the sulphur contents which takes place by reaction with finely-divided metals such as copper, iron or mercury. Heavy petroleum residues may be used as base oils. Suitable sulphur-containing materials are elementary sulphur, synthetic organic polysulphides preferably penta - sulphides or higher polysulphides, sulphurized mineral, animal, vegetable or marine oils, such as lard oil, pine oils or fish oils. Suitable lead compounds are lead oleate, naphthenate or sulphonate or mixtures of these, or the lead salt of an acid derived by oxidation of paraffin or other hydrocarbon wax.

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 ...

Lubricant composition

A lubricating composition suitable for use in internal-combustion engines comprises a major proportion of a lubricating oil and a minor proportion of an oil-soluble mixture of (A) the copolymer of at least one monomer chosen from (1) an aliphatic monocarboxylic acid ester of an unsaturated alcohol, the aliphatic monocarboxylic acid containing up to 30 carbon atoms and the unsaturated alcohol being an a - or b -unsaturated alcohol containing up to 20 carbon atoms; (2) a 1-olefin containing 2-30 carbon atoms; and (3) a vinyl or allyl alkyl or cycloalkyl ether or homologue thereof containing 1-30 carbon atoms in the alkyl or cycloalkyl group, with a monomer chosen from maleic anhydride and an alkyl, cycloalkyl, aryl, alkaryl or aralkyl a ,a 1- or a -substituted maleic anhydride containing up to 20 carbon atoms, the molar ratio of these monomers being from 0.5 : 1.5 to 1.5 : 0.5 and (B) another copolymer of (i) maleic anhydride or an alkyl, cycloalkyl, aryl, alkaryl or aralkyl a ,a 1- or a ...

Composition having lubricating properties

A lubricating composition comprises (i) a hydrocarbon lubricating oil, a silicone oil, a synthetic normally liquid oleaginous ester of a carboxylic acid, or any mixture of such materials, and (ii) a polymer (having a molecular weight not higher than 10,000) of a perfluorochloro-olefin, said polymer having halogen terminal atoms and having been prepared by telomerization, in the presence of a sulphuryl halide, of the perfluorochloro-olefin alone or in admixture with another halogen-containing olefin. Ingredient (i) may be mineral lubricating oil, a silicone (which may be halogen-bearing), an ester of a dicarboxylic acid such as adipic, suberic, azelaic, sebacic or phthalic acid or an ester of a monocarboxylic acid such as pelargonic acid. The esters may be esters of alkanols, cycloaliphatic alcohols or acetylenically unsaturated alcohols. Ingredient (ii) may be a telomer of trifluorochloroethylene or difluorodichloroethylene or a cotelomer thereof with such halogenated olefins as vinyl or ...

Improvements in and relating to oils for the lubrication of internal combustion engines

... 535,777. Lubricating-compositions. STANDARD OIL DEVELOPMENT CO. Sept. 21, 1939, Nos. 26361 and 26362. Convention dates, Oct. 14, 1938 and Sept. 1, 1939. [Class 91] A lubricating-composition for use in internal combustion engines comprises a mineral lubricating oil and small amounts of salts or soaps of at least two metals selected from the groups consisting of (1) aluminium, (2) nickel, and (3) a group consisting of the alkaline earth metals and magnesium, such soaps being salts of the following acids and analogous compounds :- saturated fatty acids melting below 50‹C., mixed acids from commercial fats containing 10-30 per cent. of unsaturated acids, unsaturated acids such as oleic and erucic acids, naphthenic acids, acids produced by low temperature oxidation of paraffin wax, sweater oil, solvent extracted oils or hydrogenated oils, phenols and thiophenols, alkylated and sulphide derivatives of phenols, thiophenols and mixed oxy-and thio-phenols, alcohols and thioalcohols, carbamic and ...

METHOD FOR THE PRODUCTION OF AUTOMATIC TRANSMISSION OIL WITH TEREPHTHALSÄURE AS CORROSION INHIBITOR

LUBRICANT COMPOSITION WITH IMPROVED PROTECTION AGAINST CORROSION OF CAMPS

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

AT LEAST A HYDROXYSUBSTITUIERTE CARBONIC ACID ABSTENTION TRANSMISSION OIL COMPOSITION

SEVERAL ANTIOXIDANTIEN ABSTENTIONS LUBRICANT COMPOSITIONS

NEUE SCHMIERMITTELMISCHUNGEN

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

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

TRIÄTHANOLAMINTRIBORAT, EINE VERBINDUNG VON BOR(III)SÄURE UND TRIÄTHANOLAMIN MIT HOHEM GEHALT DER BORATKOMPONENTE UND MIT HOHER LÖSLICHKEIT IN WASSER UND EINIGEN ORGANISCHEN LÖSUNGSMITTELN

LUBRICANT COMPOSITION FOR TRANSMISSIONS

SULPHONATED OLEFINE AS ANTI-WEAR ADDITIVES AND COMPOSITIONS OF IT.

NITROGEN-FREE ESTERS OF CARBOXY EXHIBITING INTERCPOLYMERS.

SULFURIZIERTE COMPOSITIONS AND THESE CONTAINING AUXILIARY CONCENTRATES AND LUBRICATING OILS.

AS WELL AS PHOSPHITESTERZUBEREITUNGEN LUBRICANTS AND FUNCTIONAL LIQUIDS, THIS CONTAINING.

LUBRICATING OIL COMPOSITIONS AND THEIR USE

VISCOSITY INDEX-IMPROVING DISPERSING ADDITIVE FOR OELE ON BASIS OF A AETHYLENCOPOLYMERS.

BOUND, AROMATIC FLIESSPUNKTERNIEDRIGER.

MIXED PHOSPHORUS CONNECTIONS AND THESE CONTAINING LUBRICANTS

FLUSSIGE HYDROCARBON COMPOSITION CONTAINING A SUCCINIMID DETERGENS

LUBRICATING OIL COMPOSITION

POLYALPHAOLEFIN DIMERE WITH LOW KINEMATIC VISCOSITIES

Lubricating oil composition

NITROGEN-FREE ESTERS OF CARBOXY CONTAINING INTERPOLYMERS

POLYMERIC COMPOSITIONS, TRANSMISSION, AND HYDRAULIC FLUIDS CONTAINING SAID COMPOSITIONS

Star polymers and compositions thereof

Low sulfur, low ash, and low phosphorus lubricant additive package using overbased calcium phenate

Biodegradable vegetable oil compositions

Power transmission fluids with enhanced anti-shudder characteristics

NORBORNYL DIMER ESTER AND POLYESTER ADDITIVES FOR LUBRICANTS AND FUELS

Automatic transmission fluids of improved viscometric properties

Functionalized copolymers and lubricating compositions thereof

The present invention relates to a lubricating composition containing an oil of lubricating viscosity and a dimercaptothiadiazole salt of a copolymer comprising units derived from monomers (i) an ?-olefin and (ii) an ethylenically unsaturated carboxylic acid or derivatives thereof (typically carboxylic acid groups or an anhydride), are partially esterified with an alcohol, or mixtures thereof, and wherein at least a portion of carboxylic acid groups not esterified are reacted with an amine. The invention further provides for a lubricating composition containing said copolymer. The invention further provides a method and use of lubricating composition in a mechanical device.

Functionalized copolymers and lubricating compositions thereof

The present invention relates to a lubricating composition containing an oil of lubricating viscosity and a dimercaptothiadiazole salt of a copolymer comprising units derived from monomers (i) an ?-olefin and (ii) an ethylenically unsaturated carboxylic acid or derivatives thereof (typically carboxylic acid groups or an anhydride), are partially esterified with an alcohol, or mixtures thereof, and wherein at least a portion of carboxylic acid groups not esterified are reacted with an amine. The invention further provides for a lubricating composition containing said copolymer. The invention further provides a method and use of lubricating composition in a mechanical device.

SULPHURIZATION OF SIOBUTYLENE

Oil soluble friction increasing additives for power transmission fluids

Lubricant with a higher molecular weight copolymer lube oil flow improver

Low-viscosity lubricating oil and functional fluid compositions

ANTI-OXIDANT COMPOSITIONS

AMINO PHENOL-DETERGENT-DISPERSANT COMBINATIONS AND FUELS AND LUBES CONTAINING SAME

Derivatives of polyamines with one primary amine group and secondary or tertiary amines groups

IMPROVED MULTIFUNCTIONAL VISCOSITY INDEX IMPROVER

High viscosity complex alcohol esters

FUNCTIONAL FLUID WITH TRIGLYCERIDES, DETERGENT-INHIBITOR ADDITIVES AND VISCOSITY MODIFYING ADDITIVES

Elimination of odors from lubricants by use of a combination of thiazoles and odor masks

LOW VISCOSITY OLIGOMER OIL PRODUCT, PROCESS, AND COMPOSITION

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

OVERBASED ALKYLATED ARYLALKYL SULFONATES

An overbased alkylated arylalkyl sulfonate is easy to prepare and is useful as a detergent in various lubricant applications.

POLYMERIC COMPOSITIONS, OIL COMPOSITIONS CONTAINING SAID POLYMERIC COMPOSITIONS, TRANSMISSION FLUIDS AND HYDRAULIC FLUIDS

Title: POLYMERIC COMPOSITIONS, OIL COMPOSITIONS CONTAINING SAID POLYMERIC COMPOSITIONS, TRANSMISSION FLUIDS AND HYDRAULIC FLUIDS Polymeric compositions are described which comprise a mixture of (A) at least one oil-soluble polymer which is a homopolymer of a non-aromatic monoolefin or a copolymer of said non-aromatic monoolefin with an aromatic monoolefin, and (B-1) at least one nitrogen-containing ester of a carboxy-containing interpolymer, or (B-2) at least one oil-soluble acrylate polymerization product of at least one acrylate ester, or a mixture of one or more of (B-1) and B-2). The polymeric compositions of the invention also may contain (C) an effective amount of at least one viscosity-reducing liquid organic diluent such as a naphthenic oil or an alkylated aromatic material. Polymeric compositions of the present invention are useful as additives in transmission fluids (both automatic and manual) and hydraulic fluids, and the transmission fluids and hydraulic fluids containing the ...

METAL SALTS OF MIXED AROMATIC/ALIPHATIC PHOSPHORODITHIOIC ACIDS

Title: METAL SALTS OF MIXED AROMATIC/ALIPHATIC PHOSPHORODITHIOIC ACIDS A mixture of metal salts of aromatic/ aliphatic phosphorodithioic acids is disclosed. The metal salts, a mixture of the aromatic/alphatic phosphorodithioic acids contain an aliphatic group and an aromatic group, optionally (H) aliphatic groups, and optionally (B) aromatic groups. The (B) aromatic component can be made utilizing phenol and/or mixtures of cresylic acids. The metal salts are oil-soluble and are useful as corrosion inhibitors and anti-wear agents, particularly in lubricating oil compositions.

AMINOCARBOXYLIC ACID-TERMINATED POLYOXYAKLYLENES AND PROCESS FOR THE PREPARATION THEREOF

AMINOCARBOXYLIC ACID-TERMINATED POLYOXYALKYLENES AND PROCESS FOR THE PREPARATION THEREOF A composition, useful as an extreme pressure additive, is provided wherein the composition comprises an aminocarboxylic acid-terminated polyoxyalkylene, wherein the polyoxyalkylene has at least four oxyalkylene units.

HIGH VISCOSITY NEUTRAL COMPLEX POLYESTER LUBRICANTS

A high viscosity neutral complex polyester lubricant reaction product produced by esterifying a mixture of (a) branched alkanepolyols having 2 to 4 primary hydroxyls and 4 to 10 carbon atoms, (b) polyacids selected from the group consisting of dimeric fatty acids and trimeric fatty acids derived by polymerization of unsaturated fatty acids having 16 to 18 carbon atoms, (c) alkanoic acids having 6 to 16 carbon atoms, the acid number of said polyester being 0.3 or below and the hydroxyl number of said polyester being below 0.5, the proportion of hydroxyl groups esterified by said alkanoic acids being from 50% to 90%. The said complex polyester lubricant having a low pour point, a high viscosity and a high viscosity index. - A ...

PHOSPHORUS AND NITROGEN CONTAINING LUBRICATING COMPOSITIONS

Nouvelles compositions lubrifiantes contenant de 0,2 à 10 % d'un additif contenant du phosphore et de l'azote obtenu par action d'un produit de formule où Y1, Y2, X1 et X2 représentent du soufre ou de l'oxygène, R1 et R2 représentent des radicaux hydrocarbonés, avec un composé azoté comportant au moins un motif . Ces nouvelles compositions possèdent des propriétés extrêmepression et anti-usure améliorées.

Additive Concentrate and a Method of Lubricating Transmissions

The present invention relates to an additive concentrate comprising a friction modifier, a corrosion inhibitor, and an oil of lubricating viscosity. The invention further provides a method for lubricating a transmission using the additive concentrate.

High Viscosity Lubricant Compositions Meeting Low Temperature Performance Requirements

A lubricant composition characterized as having a viscosity of less than about 150,000 cP at −40° C., a kinematic viscosity of less than about 150,000 cSt at −40° C., and a kinematic viscosity of at least about 18.5 cSt at 100° C. for use in association with a device involving metal to metal contact of moving parts comprising: (a) base-stock comprising (i) at least one relatively low viscosity polyalphaolefin, (ii) at least one ester, and at least one Group III base oil; (b) viscosity improver comprising (i) at least one relatively high viscosity polyalphaolefin, and (ii) a least one olefin copolymer; (c) a performance additive comprising at least one additive effective to improve at least one property of the lubricant and/or the performance of the equipment in which the lubricant is to be used; (d) at least one pour-point depressant; and, optionally, (e) at least one antifoam agent.

Antiwear Composition and Method of Lubricating Driveline Device

The present invention relates to a method of driveline device by supplying to the driveline device a lubricating composition containing an oil of lubricating viscosity and an antiwear package, wherein the antiwear package includes: (a) derivatives of a carboxylic acid (typically a hydroxycarboxylic acid); and (b) a phosphorus compound. The invention further provides lubricating compositions containing an oil of lubricating viscosity and an antiwear package, wherein the antiwear package includes (a) derivatives of a carboxylic acid (typically a hydroxycarboxylic acid); and (b) an amine or metal salt of a phosphorus compound that is either (i) a hydroxy-substituted di-ester of (thio)phosphoric acid, or (ii) a phosphorylated hydroxy-substituted di- or tri-ester of (thio)phosphoric acid.

Lubricating Composition

The invention relates to a lubricating composition containing (a) an oil of lubricating viscosity, and (b) an oil soluble compound with a >N—R—N< group, wherein R may be a hydrocarbylene group. The invention further provides for the use of the lubricating composition for lubricating a limited slip differential.

Lubricating oil composition

A lubricating oil composition which exceeds the fuel saving performance of a conventional low viscosity lubricating oil composition, contains (A) a lubricating base oil having a % C A of 2 or less, adjusted to a 100° C. kinematic viscosity of 1.5 to 4.5 mm 2 /s and (B) a viscosity index improver including (B1) a poly(meth)acrylate having a weight-average molecular weight of 50,000 or less in an amount of 1 to 10 percent by mass and (B2) a poly(meth)acrylate having a weight-average molecular weight of 100,000 to 250,000 in an amount of 0.1 to 5 percent by mass of the total composition. The composition has a 80° C. high-shear viscosity (Vs: mPa·s) and a 80° C. kinematic viscosity (Vk: mm 2 /s) ratio (Vs/Vk) of less than 1, a coefficient of traction of 0.02 or less at 40° C., an average speed of 3.0 m/s, a slip ratio of 10%, and a contact pressure of 0.4 GPa.

Antioxidants and Methods to Maximize Performance

A method of preventing or reducing the level of degradation of an organic substrate is described, wherein a composition is formed that includes the organic substrate together with an effective amount of a sacrificial base and a diarylamine antioxidant.

Lubricant additive

A lubricant formulation. The lubricant formulation includes a polyol-based base lubricant, an ionic liquid, and an organic nanoparticle. The ionic liquid is selected from the group consisting of trihexyltetradecylphosphonium bis(2-ethylhexyl) phosphate, trihexyl(tetradecyl)phosphonium bis-2,4,4-(trimethylpentyl)phosphinate, and trihexyl(tetradecyl)phosphonium bis(trifluoromethylsulfonyl)imide, or a combination thereof. The organic nanoparticle has a median particle size less than about 200 nm. The organic nanoparticle forms about 0.01 to about 5% by weight of the lubricant formulation. The ionic liquid forms about 0.5 to about 10% by weight of the lubricant formulation.

Lubricating oil composition for automatic transmission

A lubricating oil composition provides enhanced anti-wear and anti-seizure properties, even though reduced in viscosity, suitable for use as an automatic transmission oil, particularly as a metal belt continuously variable transmission oil. The lubricating oil composition contains a base oil and the following based on the total mass of the composition: (A) a boron-containing ashless dispersant in an amount of 300 to 1000 ppm by mass on a boron basis, (B) a metallic detergent having a total base number of at least 200 mgKOH/g in an amount of 100 to 1200 ppm by mass on a metal basis, and (C) a friction modifier in an amount of 0.01 to 5 percent by mass. The ratio (Bo/M) of the content of Component (A) on a boron basis (Bo:ppm by mass) to the content of Component (B) on a metal basis (M:ppm by mass) being from 0.5 to 4.

Biodegradable lubricating oil composition

[PROBLEMS] To provide a biodegradable lubricating oil composition which has excellent biodegradability, a high viscosity index, a low pour point, a high flash point, being satisfactory with lubricity, oxidative stability, property of preventing the corrosion of iron and non-ferrous metals, and suitability for use with sealing materials. [MEANS FOR SOLVING THE PROBLEMS] A biodegradable lubricating oil composition comprising (A) a synthetic ester base oil comprising at least 50 mass % hindered ester of an aliphatic monocarboxylic acid with an aliphatic hindered polyol which has one or more quaternary carbon atoms per molecule and in which at least one of the quaternary carbon atoms has one to four methylol groups bonded thereto and (B) ingredients which are (a) 0.1 to 5.0 mass % phenolic antioxidant, (b) 0.01 to 2.0 mass % calcium sulfonate having a low base number, and (c) 0.01 to 1.0 mass % triazole compound, and has the degree of biodegradation of 60% or higher when examined by the test for the degree of microbial degradation of chemical substances according to the OECD Test Guideline 301C method.

Star polymer and lubricating composition thereof

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

Lubricating Composition Containing Viscosity Modifier Combination

The present invention relates to a lubricating composition containing (a) an oil of lubricating viscosity, (b) a star polymer and (c) a substantially linear polymer with a weight average molecular weight of 45,000 or less. The invention further provides a method of lubricating a mechanical device, typically a manual transmission with the lubricating composition. The invention further provides for the use of the lubricating composition to provide a number of benefits including lower operating temperatures and fuel economy.

Lubricant Containing High-Viscosity Metallocene Polyalpha-Olefins

A lubricant composition comprising a high-viscosity PAO lubricant base stock having a KV100 of at least 200 cSt and comprising multiple PAO molecules comprising at least 200 carbon atoms per molecule, wherein (i) each of the PAO molecules comprises multiple pendant groups; (i) the average pendant group length of all the pendant groups excluding one methyl on each of the PAO molecules among at least 90 mol % of all of the PAO molecules, if one or more methyl is present, is at least 6.0, and (iii) the concentration of the high-viscosity PAO base stock is no more than 75 wt % of the total weight of the lubricant composition. The lubricant composition exhibits provides a high degree of protection of gear surfaces as measured by ASTM D5182.

Lubricating oil composition for transmissions

A lubricating oil composition for transmissions is provided which improves fuel saving properties and has excellent metal fatigue life and heat resistance. The composition contains 50 to 97 percent by mass of (A) a mineral base oil having a 100° C. kinematic viscosity of 1.5 mm 2 /s or higher and 3.5 mm 2 /s or lower, a pour point a −25° C. or lower, a viscosity index of 105 or greater, a % C p of 85 or greater, a % C N of 2 or greater and 20 or less and a % C A of 3 or less; 3 to 10 percent by mass of (B) a monoester-hased base oil having a 100° C. kinematic viscosity of 2 mm 2 /s or higher and 10 mm 2 /s or lower; and 150 to 400 ppm by mass as phosphorus of (C) a specific sulfur-containing phosphite ester. The composition has a 100° C. kinematic viscosity of 2.5 mm 2 /s or higher and 4.0 mm 2 /s or lower.

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

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

Lubricant composition

A lubricating oil composition, which contains a base oil, a boron-containing bisalkyl succinimide, a boron-containing bisalkenyl succinimide, or both, an amide, and a dispersed polymethacrylate. The lubricating oil composition is used for transmissions, such as Dual Clutch Transmissions.

Ashless-friction modifiers for lubricating compositions

The invention provides a lubricating composition containing an oil of lubricating viscosity and an ashless ketone compound with at least one of a hydroxy group and an ether linkage attached to the carbon atom adjacent to the carbonyl carbon of the ketone, especially α-hydroxyketone. The invention further relates to methods of lubricating an internal combustion engine by supplying the described lubricating composition to the internal combustion engine. The invention further relates to the use of the α-hydroxyketone compound as a friction modifier and an antiwear agent.

Lubricating Composition Including Esterified Copolymer And Method

A lubricating composition includes an (A) esterified copolymer comprising units (A1) derived from a vinyl monomer and units (A2) derived from a carboxylic acid monomer, the vinyl monomer comprising a vinyl aliphatic monomer, the carboxylic acid monomer comprising an ethylenically unsaturated carboxylic acid or derivative thereof, esterified with a primary alcohol; and (B) an oil of lubricating viscosity. The lubricating composition can provide a lubricant with at least one (or at least two, or all) of acceptable or improved HTHS, KV, shear stability, acceptable or improved viscosity index control, and acceptable or improved low temperature viscosity.

Lubricating composition for a hybrid electric vehicle transmission

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

Lubricant Composition

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

Lubricant Composition

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

Lubricant composition, lubricating method and transmission

Provided are a lubricating oil composition containing a component (A): a succinimide having an alkenyl group or an alkyl group, a component (B): a primary amine having a hydrocarbon group having 12 or more and 24 or less carbon atoms, a component (C): a fatty acid amide compound, and a component (D): an amide compound having a specific structure, and capable of satisfying both a high clutch capacity and a long anti-shudder lifetime; and a lubrication method and a transmission using the composition.

Ethylene/alpha-olefin copolymers and lubricating oils

The invention has an object of providing ethylene/α-olefin copolymers having high randomness and a small number of double bonds in the copolymers. The ethylene/α-olefin copolymers of the invention are obtained by copolymerizing ethylene and an α-olefin having 3 to 20 carbon atoms in the presence of an olefin polymerization catalyst which includes a bridged metallocene compound (A) represented by the formula [I], and at least one compound (B) selected from organometallic compounds (B-1), organoaluminum oxy compounds (B-2) and compounds (B-3) capable of reacting with the bridged metallocene compound (A) to form an ion pair, and have a specific weight average molecular weight, a specific molecular weight distribution, a specific glass transition point and a specific value B.

Functional fluids comprising alkyl toluene sulfonates

Provided are formulations, methods of making, and methods of using a functional fluid of the present invention to achieve and maintain optimal frictional characteristics in machines housing that fluid, wherein the functional fluid comprises, among others, a friction-modifying amount of an alkyl toluene sulfonate salt or a mixture of alkyl toluene sulfonate salts.

Friction modifier and lubricating oil composition

Provided is a compound which can increase all of the shudder prevention lifetime, transmission characteristic and transmission torque capacity to satisfactory levels when contained in a lubricating oil. Provided are a succinimide compound represented by the following general formula (1), and a friction modifier and a lubricating oil composition containing the succinimide compound. (In the formula (1), R represents a hydrocarbyl group having 8 to 30 carbon atoms; and n represents an integer of 1 to 7.)

Novel AminoBisPhosphonate Antiwear Additives

The present invention relates to novel aminobisphosphonate compounds useful as antiwear and/or friction modifier additive components, lubricant additive compositions and lubricant compositions each comprising such compounds, and methods for making and using the same.

Blocky ethylene propylene copolymers and methods for making them

Copolymers comprising ethylene and propylene and methods for producing such polymers are provided. The polymers are blocky copolymers having semicrystalline ethylene sequences and amorphous or low crystallinity propylene sequences. The polymers are preferably prepared using metallocene-based catalyst systems but without the use of a chain shuttling agent. The polymers may have higher melting temperatures than previously known random copolymers or blocky copolymers prepared with chain shuttling agents having similar comonomer contents. The polymers include both ethylene-rich and propylene-rich copolymers.

Ethylene copolymers, methods for their production, and use

Provided is an ethylene copolymer having 40 wt.% to 70 wt.% of units derived from ethylene and at least 30 wt.% of units derived from at least one α-olefm having 3 to 20 carbon atoms and has the following properties: (a) a weight-average molecular weight (Mw), as measured by GPC, in the range of about 50,000 to about 200,000 g/mol; (b) a melting point (Tm) in 0C, as measured by DSC, that satisfies the relation: Tm > 3.4 x E - 180 where E is the weight % of units derived from ethylene in the copolymer; (c) a ratio of MwMn of about 1.8 to about 2.5; (d) a content of Group 4 metals of no more than 5 ppm; and (e) a ratio of wt ppm Group 4 metals/ wt ppm Group 5 metals of at least 3. Also provided are methods for making an ethylene copolymer and compositions comprising an ethylene copolymer.

Synthetic lubricating oil and lubricating oil composition thereof

Ethylene / α-olefin copolymer and lubricating oil

潤滑油組成物

Lubricant oil composition for vehicle transmission fluid and method for producing same

Ethylene copolymers, methods for their production, and use

Provided herein are ethylene copolymers, methods for making such copolymers, and compositions made from such copolymers. The ethylene copolymers have 70 wt. % to 85 wt. % of units derived from ethylene and at least 12 wt. % of units derived from at least one α-olefin having 3 to 20 carbon atoms. The copolymers preferably further have a weight-average molecular weight (Mw) ranging from about 50,000 to about 200,000 g/mol, melting point of at least 100° C., ratio of Mw/Mn of about 1.5 to about 3.5, a content of group 4 metals of no more than 25 ppm, and a ratio of wt ppm Group 4 metals/wt ppm Group 5 metals of at least 3. Such copolymers may be particularly useful as viscosity modifiers for lubricating oil compositions.

Lubricating oil compositions and method for making them

Provided are ethylene propylene copolymers compositions thereof and methods for making the same. The composition may include an ethylene copolymer, comprising 40 wt % to 70 wt % of units derived from ethylene, and at least 30 wt % of units derived from at least one α-olefin having 3 to 20 carbon atoms. The composition can have a melting point (Tm) in ° C., as measured by DSC, that satisfies the relation: Tm>3.4×E−180, where E is the weight % of units derived from ethylene in the copolymer. The composition can also have a Mw/Mn ratio of about 1.5 to about 3.5. The composition can further have a content of Group 4 metals derived from a catalyst of 25 ppm or less.

Ethylene copolymers, methods for their production, and use

Provided is an ethylene copolymer having 40 wt. % to 70 wt. % of units derived from ethylene and at least 30 wt. % of units derived from at least one α-olefin having 3 to 20 carbon atoms and has the following properties: (a) a weight-average molecular weight (Mw), as measured by GPC, in the range of about 50,000 to about 200,000 g/mol; (b) a melting point (Tm) in ° C., as measured by DSC, that satisfies the relation: Tm >3.4× E −180 where E is the weight % of units derived from ethylene in the copolymer; (c) a ratio of Mw/Mn of about 1.8 to about 2.5; (d) a content of Group 4 metals of no more than 5 ppm; and (e) a ratio of wt ppm Group 4 metals/wt ppm Group 5 metals of at least 3. Also provided are methods for making an ethylene copolymer and compositions comprising an ethylene copolymer.

Lubricating oil compositions and method for making them

Provided are ethylene propylene copolymers, compositions and methods for making the same. The composition may include an ethylene copolymer, comprising 40 wt% to 70 wt% of units derived from ethylene, and at least 30 wt% of units derived from at least one α- olefin having 3 to 20 carbon atoms. The composition can have a melting point (Tm) in 0C, as measured by DSC, that satisfies the relation: Tm > 3.4 x E - 180, where E is the weight % of units derived from ethylene in the copolymer. The composition can also have a Mw/Mn ratio of about 1.5 to about 3.5. The composition can further have a content of Group 4 metals derived from a catalyst of 25 ppm or less.

Ethylene copolymers, methods for their production, and use

Provided herein are ethylene copolymers, methods for making such copolymers, and compositions made from such copolymers. The ethylene copolymers have 70 wt. % to 85 wt. % of units derived from ethylene and at least 12 wt. % of units derived from at least one α-olefin having 3 to 20 carbon atoms. The copolymers preferably further have a weight-average molecular weight (Mw) ranging from about 50,000 to about 200,000 g/mol, melting point of at least 100° C., ratio of Mw/Mn of about 1.5 to about 3.5, a content of group 4 metals of no more than 25 ppm, and a ratio of wt ppm Group 4 metals/wt ppm Group 5 metals of at least 3. Such copolymers may be particularly useful as viscosity modifiers for lubricating oil compositions.

Lubricating Oil Compositions and Method for Making Them

Provided are ethylene propylene copolymers compositions thereof and methods for making the same. The composition may include an ethylene copolymer, comprising 40 wt % to 70 wt % of units derived from ethylene, and at least 30 wt % of units derived from at least one α-olefin having 3 to 20 carbon atoms. The composition can have a melting point (Tm) in ° C., as measured by DSC, that satisfies the relation: Tm>3.4×E−180, where E is the weight % of units derived from ethylene in the copolymer. The composition can also have a Mw/Mn ratio of about 1.5 to about 3.5. The composition can further have a content of Group 4 metals derived from a catalyst of 25 ppm or less.

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

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

Ethylene Copolymers, Methods for Their Production, and Use

Provided is an ethylene copolymer having 40 wt. % to 70 wt. % of units derived from ethylene and at least 30 wt. % of units derived from at least one α-olefin having 3 to 20 carbon atoms and has the following properties: (a) a weight-average molecular weight (Mw), as measured by GPC, in the range of about 50,000 to about 200,000 g/mol; (b) a melting point (Tm) in ° C., as measured by DSC, that satisfies the relation: Tm >3.4× E −180 where E is the weight % of units derived from ethylene in the copolymer; (c) a ratio of Mw/Mn of about 1.8 to about 2.5; (d) a content of Group 4 metals of no more than 5 ppm; and (e) a ratio of wt ppm Group 4 metals/wt ppm Group 5 metals of at least 3. Also provided are methods for making an ethylene copolymer and compositions comprising an ethylene copolymer.

Synthesis of poly-alpha olefin and use thereof

One or more oligomers of an olefin are prepared in the presence of a single-site catalyst. Preferably, the olefin is an α-olefin, and the oligomers are a poly-alpha-olefin (PAO). The PAO so prepared is completely or substantially free of tertiary hydrogen resulting from isomerization. Consequently, the PAO possesses improved biodegradability, improved oxidation resistance, and/or a relatively higher viscosity index. The PAO has many useful applications, such as a component of a lubricant.

Ethylene/α-olefin copolymers and lubricating oils

The invention has an object of providing ethylene/α-olefin copolymers having high randomness and a small number of double bonds in the copolymers. The ethylene/α-olefin copolymers of the invention are obtained by copolymerizing ethylene and an α-olefin having 3 to 20 carbon atoms in the presence of an olefin polymerization catalyst which includes a bridged metallocene compound (A) represented by the formula [I], and at least one compound (B) selected from organometallic compounds (B-1), organoaluminum oxy compounds (B-2) and compounds (B-3) capable of reacting with the bridged metallocene compound (A) to form an ion pair, and have a specific weight average molecular weight, a specific molecular weight distribution, a specific glass transition point and a specific value B.

Lubricant compositions

A lubricant composition includes a lubricant base oil (A) having a kinematic viscosity at 100° C. of 1 to 10 mm2/s, and an ethylene/α-olefin copolymer (B) in which (B1) the peak top molecular weight is 3,000 to 10,000, (B2) the copolymer shows no melting peak, (B3) the value B is not less than 1.1 and (B4) the kinematic viscosity at 100° C. is 140 to 500 mm2/s. The lubricant composition has a kinematic viscosity at 100° C. of not more than 20 mm2/s, a peak top of molecular weight in the range of 3,000 to 10,000, and a weight fraction of components having a molecular weight not less than 20,000 of 1 to 10% relative to all components having a molecular weight not less than the molecular weight that gives the peak top.

Synthesis of poly-alpha olefin and use thereof

One or more oligomers of an olefin are prepared in the presence of a single-site catalyst. Preferably, the olefin is an α-olefin, and the oligomers are a poly-alpha-olefin (PAO). The PAO so prepared is completely or substantially free of tertiary hydrogen resulting from isomerization. Consequently, the PAO possesses improved biodegradability, improved oxidation resistance, and/or a relatively higher viscosity index. The PAO has many useful applications, such as a component of a lubricant.

Ethylene/α-olefin copolymers and lubricating oils

The invention has an object of providing ethylene/α-olefin copolymers having high randomness and a small number of double bonds in the copolymers. The ethylene/α-olefin copolymers of the invention are obtained by copolymerizing ethylene and an α-olefin having 3 to 20 carbon atoms in the presence of an olefin polymerization catalyst which includes a bridged metallocene compound (A) represented by the formula [I], and at least one compound (B) selected from organometallic compounds (B-1), organoaluminum oxy compounds (B-2) and compounds (B-3) capable of reacting with the bridged metallocene compound (A) to form an ion pair, and have a specific weight average molecular weight, a specific molecular weight distribution, a specific glass transition point and a specific value B.

Synthesis of poly-alpha olefin and use thereof

ONE OR MORE OLIGOMERS OF AN OLEFIN ARE PREPARED IN THE PRESENCE OF A SINGLE-SITE CATALYST. PREFERABLY, THE OLEFIN IS AN -OLEFIN, AND THE OLIGOMERS ARE A POLY-ALPHA-OLEFIN (PAO). THE PAO SO PREPARED IS COMPLETELY OR SUBSTANTIALLY FREE OF TERTIARY HYDROGEN RESULTING FROM ISOMERIZATION. CONSEQUENTLY, THE PAO POSSESSES IMPROVED BIODEGRADABILITY, IMPROVED OXIDATION RESISTANCE, AND/OR A RELATIVELY HIGHER VISCOSITY INDEX. THE PAO HAS MANY USEFUL APPLICATIONS, SUCH AS A COMPONENT OF A LUBRICANT.

Low molecular weight ethylene/alpha-olefin interpolymer as base lubricant oils

A lubricant composition comprises an ethylene/α-olefin interpolymer having a number average molecular weight of less than 10,000 g/mol as a base oil and at least one oil additive. The ethylene/α-olefin interpolymer has at least one molecular fraction which elutes between 40° C. and 130° C. when fractionated using TREF, characterized in that the fraction has a molar comonomer content of at least 5 percent higher than that of a comparable random ethylene interpolymer fraction eluting between the same temperatures, wherein said comparable random ethylene interpolymer has the same comonomer(s) and has a melt index, density, and molar comonomer content (based on the whole polymer) within 10 percent of that of the ethylene/α-olefin interpolymer.

Viscosity index improver for lubricant compositions

A lubricant composition comprises a base oil and a viscosity modifier including an ethylene/α-olefin interpolymer. The ethylene/α-olefin interpolymer is a block copolymer having at least a hard block and at least a soft block. The soft block comprises a higher amount of comonomers than the hard block. The block copolymer has a number of unique characteristics disclosed here. Such block copolymers offer the possibility of improved low temperature performance and flexibility in formulating motor oil, gear lubricants and greases, etc.

Low molecular weight ethylene/α-olefin interpolymer as base lubricant oils

A lubricant composition comprises an ethylene/α-olefin interpolymer having a number average molecular weight of less than 10,000 g/mol as a base oil and at least one oil additive. The ethylene/α-olefin interpolymer has at least one molecular fraction which elutes between 40° C. and 130° C. when fractionated using TREF, characterized in that the fraction has a molar comonomer content of at least 5 percent higher than that of a comparable random ethylene interpolymer fraction eluting between the same temperatures, wherein said comparable random ethylene interpolymer has the same comonomer(s) and has a melt index, density, and molar comonomer content (based on the whole polymer) within 10 percent of that of the ethylene/α-olefin interpolymer.

Viscosity index improver for lubricant compositions

A lubricant composition comprises a base oil and a viscosity modifier including an ethylene/α-olefin interpolymer. The ethylene/α-olefin interpolymer is a block copolymer having at least a hard block and at least a soft block. The soft block comprises a higher amount of comonomers than the hard block. The block copolymer has a number of unique characteristics disclosed here. Such block copolymers offer the possibility of improved low temperature performance and flexibility in formulating motor oil, gear lubricants and greases, etc.

Viscosity index improver and lubricating oil composition

The present invention aims to provide a viscosity index improver excellent in shear stability and having a low HTHS viscosity and a high viscosity index. The viscosity index improver of the present invention contains a (co)polymer (A) containing a polyolefin-based monomer as an essential monomer unit, and a base oil, wherein the absolute value of difference in solubility parameter between the (co) polymer (A) and the base oil is 0.8 to 2.0 (cal/cm 3 ) 1/2 .

Blocky ethylene propylene copolymers and methods for making them

Copolymers comprising ethylene and propylene and methods for producing such polymers are provided. The polymers are blocky copolymers having semicrystalline ethylene sequences and amorphous or low crystallinity propylene sequences. The polymers are preferably prepared using metallocene-based catalyst systems but without the use of a chain shuttling agent. The polymers may have higher melting temperatures than previously known random copolymers or blocky copolymers prepared with chain shuttling agents having similar comonomer contents. The polymers include both ethylene-rich and propylene-rich copolymers.

Lubricant compositions comprising ethylene propylene copolymers and methods for making them

Lubricant compositions, as well as processes for their formulation, are provided. The lubricant compositions comprise an oil basestock and one or more blocky ethylene propylene copolymers. The copolymers are preferably prepared using metallocene catalyst systems but without using a chain shuttling agent.

Ethylene alpha-olefin polymer substituted mannich base useful as multifunctional viscosity index improver for oleaginous composition

The present invention is directed to oil-soluble lubricating oil additives comprising Mannich Base condensates of an alkyl substituted hydroxy aromatic compound with formaldehyde and an amine, wherein the alkyl-moiety of the aromatic compounds is derived from at least one ethylene alpha-olefin copolymer of greater or above 20,000 to about 500,000 number average molecular weight, wherein at least about 30% of the polymer's chains contain terminal ethenylidene unsaturation. The Mannich Base condensates of this invention are useful as multifunctional viscosity index improvers for oleaginous compositions, particularly lubricating oil compositions.

Lubricating oil compositions and method for making them

エチレン／α－オレフィン共重合体および潤滑油

　ランダム性が高く、かつ共重合体中の二重結合量が少ないエチレン／α－オレフィン共重合体を提供することを目的とする。本発明のエチレン/α－オレフィン共重合体は、式［Ｉ］で表される架橋メタロセン化合物（Ａ）並びに有機金属化合物（Ｂ－１）、有機アルミニウムオキシ化合物（Ｂ－２）および架橋メタロセン化合物（Ａ）と反応してイオン対を形成する化合物（Ｂ－３）から選ばれる少なくとも１種の化合物（Ｂ）を含むオレフィン重合触媒の存在下で、エチレンと炭素数が３～２０のα－オレフィンとを共重合することにより得られ、特定の重量平均分子量、分子量分布、ガラス転移温度およびＢ値を有する。

Lubricant oil composition for vehicle transmission fluid and method for producing same

[Problem] To provide a lubricant oil composition which is for vehicle transmission fluid, and which has extremely excellent shear stability, has an excellent high-level balance of temperature-viscosity characteristics and low-temperature viscosity characteristics, and further has excellent heat-resistant oxidation stability. [Solution] This lubricant oil composition for vehicle transmission fluid contains a lubricant base oil and a liquid-phase random copolymer formed of ethylene and α-olefin and prepared by using a specific catalyst, wherein the kinematic viscosity at 100 °C is 4.0-7.5 mm2/s, and the Brookfield viscosity at -40 °C is 20,000 mPa·s or less. The lubricant base oil comprises: a mineral oil having a kinematic viscosity at 100 °C of 2-10 mm2/s, a viscosity index of 105 or more, and a pour point of -10 °C or less; and/or a synthetic oil having a kinematic viscosity at 100 °C of 1-10 mm2/s, a viscosity index of 120 or more, and a pour point of -30 °C or less.

High-viscosity metallocene polyalpha-olefins with high electrohydrodynamic performance

A PAO lubricant base stock having a KV100 of at least 200 cSt and comprising multiple PAO molecules comprising at least 200 carbon atoms per molecule, wherein each of the PAO molecules comprises multiple pendant groups; and the average pendant group length of all the pendant groups excluding one methyl on each of the PAO molecules among at least 90 mol % of all of the PAO molecules, if one or more methyl is present, is at least 6.0. The PAO base stock exhibits high EHL thicknesses at 40° C., 80° C., and 120° C., rendering it particularly useful in lubricant compositions experiencing high-stress events such as gear oils, automotive transmission oils, and the like.

Lubricant containing high-viscosity metallocene polyalpha-olefins

A lubricant composition comprising a high-viscosity PAO lubricant base stock having a KV100 of at least 200 cSt and comprising multiple PAO molecules comprising at least 200 carbon atoms per molecule, wherein (i) each of the PAO molecules comprises multiple pendant groups; (i) the average pendant group length of all the pendant groups excluding one methyl on each of the PAO molecules among at least 90 mol % of all of the PAO molecules, if one or more methyl is present, is at least 6.0, and (iii) the concentration of the high-viscosity PAO base stock is no more than 75 wt % of the total weight of the lubricant composition. The lubricant composition exhibits provides a high degree of protection of gear surfaces as measured by ASTM D5182.

Polyolefin-derived dispersants

Ethylene-C 3 -C 10 alpha olefin copolymers, dispersants and lubricating oils/fuel compositions incorporating dispersants, and related methods are generally described herein. The copolymer may comprise ethylene-derived units and C 3 -C 10 alpha-olefin-derived units. The C 3 -C 10 alpha-olefin-derived units may have a carbon number from three to ten. For example, the C 3 -C 10 alpha-olefin-derived units may be propylene-derived units.

Lubricating composition

A lubricating composition is provided containing: a high viscosity synthetic hydrocarbon such as high viscosity polyalphaolefins, liquid hydrogenated polyisoprenes or ethylene-alphaolefin copolymers having a viscosity of 40-1000 centistokes at 100° C.; a low viscosity synthetic hydrocarbon and/or optionally a low viscosity ester; and optionally an additive package to impart desirable performance properties to the composition.

High functionality low molecular weight oil soluble dispersant additives useful in oleaginous composition

Hydrocarbyl substituted C 4 to C 10 monounsaturated dicarboxylic acid, anhydrides or esters, e.g. polyisobutenyl succinic anhydride, preferably made by reacting polymer of C 2 to C 10 monoolefin, preferably polyisobutylene, having a number arrange molecular weight of about 700 to 1200, preferably with a C 4 to C 10 monounsaturated acid, anhydride or ester, preferably maleic anhydride, such that there are 1.2 to 2.0 dicarboxylic acid producing moieties per molecule of said olefin polymer used in the reaction mixture. The resulting materials may be further reacted with amines, alcohols, amino alcohols, boric acid, etc. to form dispersants.

Base oil for shear stable multi-viscosity lubricants and lubricants therefrom

Fully synthetic lubricating base oil compositions are formulated from blends of 50-97 wt % of synthetic hydrocarbons and 3-50 wt % isobutylene oligomers. The lubricating base oil compositions have constant viscosity indexes which are higher than those of the components used to form the compositions. The synthetic hydrocarbon and isobutylene oligomers are combinable in various amounts with conventional additives to form multi-grade engine lubricants, which are shear stable.

Continuous process for production of functionalized olefins

A continuous process for functionalizing olefins, especially polymer olefins in a CSTR or pipe reactor. Esters are preferably produced by continuous reaction of the olefin with carbon monoxide and a nucleophilic trapping agent. The liquid-filled pipe reactor operates in plug flow with static mixers and the CSTR is operated in the substantial absence of air at constant liquid level.

Functionalization of polymers based on Koch chemistry and derivatives thereof

A Koch functionalized product which is the reaction product of at least one polymer having a number average molecular weight of at least 500 and at least ethylenic double bond per polymer chain, with carbon monoxide and a nucleophilic trapping agent. The invention includes functionalized polymer, derivatives thereof and methods of making the same.

Lubricating oil compositions containing copolymers of olefins or of olefins and non-conjugated dienes with unsaturated derivatives of cyclic imides

Novel amorphous copolymers of mono-olefins or of mono-olefins and non-conjugated dienes with unsaturated derivatives of imides, are disclosed. These copolymers containing from 99.9 to 80% by weight of non-polar units derived from at least two mono-olefins containing 2 to 18 carbon atoms, particularly ethylene and propene or ethylene and butene-1, and possibly one or more non-conjugated dienes, and from 0.1 to 20% units derived from an amide having the formula: ##STR1## wherein: Z is an alkenyl radical containing 2 to 16 carbon atoms, and A designates a saturated or unsaturated divalent hydrocarbon radical which contains 2 to 12 carbon atoms and which may possibly carry amino, halogeno or carboxyl groups. Some of said copolymers may be used as polymer additives in lubricating compounds to improve their viscosity index and to disperse the slurry which they may contain.

Gear oil formulations having enhanced perfomance

A lubricant composition suitable for use as an automotive or industrial gear lubricant comprising: (A) from about 40 to about 70 wt. %, based on the total weight of the lubricant composition, of a mineral oil; (B) from about 2 to about 20 wt. %, based on the total weight of the lubricant composition, of at least one selected from vinyl aromatic-diene copolymers, olefin copolymers and mixtures thereof; (C) from about 2 to about 20 wt. %, based on the total weight of the lubricant composition, of at least one polyalphaolefin having a kinematic viscosity of at least 40 cSt at 100°C; and (D) from about 3 to about 20 wt. %, based on the total weight of the lubricant composition, of a gear additive package; wherein the lubricant composition has a Viscosity Index of greater than 140.

Synthetic lubricating oil and lubricating oil composition thereof

Disclosed is a synthetic lubricating oil comprising an α-olefin (co)polymer defined by the following features (i) to (v): (i) said (co)polymer contains constituent units derived from (a) at least one monomer selected from α-olefins of 8 to 20 carbon atoms in amounts of 90 to 100% by mol and contains constituent units derived from (b) ethylene in amounts of 0 to 10% by mol, (ii) the dynamic viscosity at 100°C is in the range of 8 to 500 mm 2 /s, (iii) the number-average molecular weight (Mn), as measured by gel permeation chromatography, is in the range of 500 to 15,000, (iv) said (co)polymer satisfies the following formulas (I) and (II):          A ≤ 24.0×Exp(-0.0239×K)     (I)          B ≤ 0.0775×K     (II) wherein A is a content (%) of a (co)polymer having a molecular weight, as measured by gel permeation chromatography, of not more than 1,000, B is a content (%) of a (co)polymer having a molecular weight of not less than 20,000, and K is a dynamic viscosity (mm 2 /s) at 100°C, and (v) the molecular weight distribution (Mw/Mn) is in the range of 1.1 to 1.8. Also disclosed is a lubricating oil composition comprising the above-mentioned synthetic lubricating oil and a low-viscosity base oil. The synthetic lubricating oil and the lubricating oil composition have high thermal oxidation stability and are excellent in viscosity index, low-temperature viscosity properties and shear stability.

E-oxcxs-m

Compounded lubricating oil

Compounded lubricating oil

Colloidal compositions and derivatives thereof

Organic barium complexes and method of making same

Verfahren zur Herstellung von öllöslichen aeylierten Aminen

Oil soluble aliphatic acid derivatives of molecular weight mannich condensation products

NOVEL ALIPHATIC ACID DERIVATIVES OF HIGH MOLECULAR WEIGHT MANNICH CONDENSATION PRODUCTS OF (1) HIGH MOLECULAR WEIGHT ALKYL-SULBSTITUTED HYDROXY AROMATIC COMPOUNDS WHOSE ALKYL-SUBSTITUENT HAS A NUMBER AVERAGE MOLECULAR WEIGHT ($N) FROM ABOUT 600-100,000, (2) A COMPOUND CONTAINING AT LEAST ONE HN< GROUP, (3) AN ALDEHYDE IN THE RESPECTIVE MOLAR REACTANT RATIO OF 1:0.1-10-1.0, AND (4) 0.1-10.0 WEIGHT PERCENT OF AN ALIPHATIC ACID HAVING AT LEAST 6 CARBON ATOMS ARE OIL SOLUBLE AND IMPART HIGHLY EFFICIENT ASHLESS TYPE (METAL FREE) DISPERSANT-DETERGENT PROPERTIES TO LUBRICANT OIL ADDITION AGENTS. LUBRICATING OILS CONTAINING THESE COMPOSITIONS PROVIDE A HIGH DEGREE OF PROTECTION AGENTS THE DEPOSITION OF SLUDGE AND VARNISH AND CORROSION WHEN USED AS CRANKCASE LUBRICANTS.

Oil solution of aliphatic acid derivatives of high molecular weight mannich condensation product

Protection against corrosion and deposition of sludge and varnish is provided by lubricating oils containing a minor amount of the ashless addition agents which are aliphatic acid derivatives of high molecular weight Mannich condensation products of (1) high molecular weight alkyl-substituted hydroxy aromatic compounds whose alkyl-substituent has a number average molecular weight (Mn) from about 600-100,000, (2) a compound containing at least one GROUP, (3) AN ALDEHYDE IN THE RESPECTIVE MOLAR REACTANT RATIO OF 1:0.1-10:1.0-10, AND (4) 0.1-10.0 WEIGHT PERCENT OF AN ALIPHATIC ACID HAVING AT LEAST 6 CARBON ATOMS.

Process for producing α-olefin polymer, α-olefin polymer, and lubricating oil composition

Provided is a method of producing an α-olefin polymer including a step of polymerizing one or more kinds of α-olefins each having 6 to 20 carbon atoms with a catalyst obtained by using a specific transition metal compound. By the method, an α-olefin polymer having a viscosity suitable for use in a lubricating oil can be produced on an industrial scale with ease, and further, the characteristics of the product can be widely changed through the control of reaction conditions.

Mineral oil composition

A MINERAL OIL COMPOSITION COMPRISING A NEUTRAL, NONVOLATILE, MINERAL OIL BASE AND, AS A VISCOSITY INDEX IMPROVER, AN EFFECTIVE AMOUNT, FOR EXAMPLE, 0.5-3 WEIGHT PERCENT, OF AN ESSENTIALLY AMORPHOUS, OIL SOLUBLE COPOLYMER HAVING RANDOM REPEAT UNITS DERIVED, ON A WEIGHT BASIS WITH THE COMBINED WEIGHTS TOTALLING 100%, (A) 25-55% FROM ETHYLENE, (B) 37-75% FROM A TERMINALLY UNSATURATED STRAIGHT CHAIN MONOOLEFIN HAVING 3-12 CARBON ATOMS, (C) 0.1-10% FROM A NON-CONJUGATED DIOLEFIN HAVING 518 CARBON ATOMS AND ONLY ONE POLYMERIZABLE DOUBLE BOND, AND (D) 0.1-2% FROM A NON-CONJUGATED DIOLEFIN HAVING 518 CARBON ATOMS AND TWO POLYMERIZABLE DOUBLE BONDS, SAID COPOLYMER HAVING AN INHERENT VISCOSITY OF 0.7-1.8 AS MEASURED ON A 0.1 WEIGHT PERCENT SOLUTION IN TETRACHLOROETHYLENE AT 30*C. AND A WALLACE PLASTICITY OF AT LEAST 16, SAID COPOLYMER FURTHER CHARACTERIZED AS EXHIBITING SUPERIOR PROCESSABILITY AND ISOLABILITY AND GOOD SHEAR STABILITY.

Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: blends with lower molecular weight components

The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated, functionalized, optionally modified, and post treated. The dispersant substances include a copolymer of two different conjugated dienes. The polymers are selectively hydrogenated to produce polymers which have highly controlled amounts of unsaturation, permitting highly selective functionalization. The polymers may be blended with lower molecular weight components. Also provided are lubricant fluids, such as mineral and synthetic oils, which have been modified in their dispersancy and/or viscometric properties by means of the dispersant substances of the invention. Also provided are methods of modifying the dispersancy and/or viscometric properties of lubricating fluids such as mineral and synthetic lubricating oils. The dispersant substances may also include a carrier fluid to provide dispersant concentrates.

Haze free oil additive compositions containing dispersants from selectively hydrogenated diene copolymers

The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated, functionalized, optionally modified, and post treated. The dispersant substances include a copolymer of two different conjugated dienes. The polymers are selectively hydrogenated to produce polymers which have highly controlled amounts of unsaturation, permitting highly selective functionalization. The polymers may be blended with lower molecular weight components. Also provided are lubricant fluids, such as mineral and synthetic oils, which have been modified in their dispersancy and/or viscometric properties by means of the dispersant substances of the invention. The addition of minor amounts of lower molecular weight components improves compatibility and reduces haze. Also provided are methods of modifying the dispersancy and/or viscometric properties of lubricating fluids such as mineral and synthetic lubricating oils. The dispersant substances may also include a carrier fluid to provide dispersant concentrates.

Lubricating composition

The method of obtaining high molecular amido and / or imidazole derivatives of alkyloxybenzylamines

Улучшающая показатель вязкости присадка для смазочных композиций

ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß RU (19) (11) 2007 134 420 (13) A (51) ÌÏÊ C10M 143/00 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÇÀßÂÊÀ ÍÀ ÈÇÎÁÐÅÒÅÍÈÅ (21), (22) Çà âêà: 2007134420/04, 15.03.2006 (71) Çà âèòåëü(è): ÄÀÓ ÃËÎÁÀË ÒÅÊÍÎËÎÄÆÈÇ ÈÍÊ. (US) (30) Êîíâåíöèîííûé ïðèîðèòåò: 17.03.2005 US PCT/US2005/008917 16.09.2005 US 60/718,129 (85) Äàòà ïåðåâîäà çà âêè PCT íà íàöèîíàëüíóþ ôàçó: 14.09.2007 (87) Ïóáëèêàöè PCT: WO 2006/102146 (28.09.2006) R U (54) ÓËÓ×ØÀÞÙÀß ÏÎÊÀÇÀÒÅËÜ ÂßÇÊÎÑÒÈ ÏÐÈÑÀÄÊÀ ÄËß ÑÌÀÇÎ×ÍÛÕ ÊÎÌÏÎÇÈÖÈÉ (57) Ôîðìóëà èçîáðåòåíè 1. Ñìàçî÷íà êîìïîçèöè , âêëþ÷àþùà : (i) áàçîâîå ìàñëî è (ii) èíòåðïîëèìåð ýòèëåíà/α-îëåôèíà, ãäå èíòåðïîëèìåð ýòèëåíà/α-îëåôèíà: (a) èìååò Mw/Mn îò ïðèáëèçèòåëüíî 1,7 äî ïðèáëèçèòåëüíî 3,5, ïî ìåíüøåé ìåðå, îäíó òåìïåðàòóðó ïëàâëåíè , Tïë, °C, è ïëîòíîñòü, d, â ã/ñì 3, ãäå ÷èñëîâûå çíà÷åíè Tïë è d ñîîòâåòñòâóþò çàâèñèìîñòè: Tïë>-2002,9+4538,5(d)-2422,2(d) 2; èëè (b) èìååò Mw/Mn îò ïðèáëèçèòåëüíî 1,7 äî ïðèáëèçèòåëüíî 3,5 è õàðàêòåðèçóåòñ òåïëîòîé ïëàâëåíè , ∆H, Äæ/ã, è èçìåíåíèåì âåëè÷èíû, ∆T, °C, îïðåäåëåííîé êàê ðàçíèöà òåìïåðàòóð ìåæäó íàèâûñøèì ïèêîì ÄÑÊ è íàèâûñøèì ïèêîì CRYSTAF, ãäå ÷èñëîâûå çíà÷åíè ∆T è ∆H óäîâëåòâîð þò ñëåäóþùèì çàâèñèìîñò ì: ∆T>-0,1299(∆H)+62,81 äë ∆H áîëåå íóë è äî 130 Äæ/ã, ∆T≥48°C äë ∆H áîëåå 130 Äæ/ã, ãäå ïèê CRYSTAF îïðåäåë þò ñ èñïîëüçîâàíèåì, ïî ìåíüøåé ìåðå, 5% ñîâîêóïíîãî ïîëèìåðà, à åñëè èäåíòèôèöèðóåìîìó ïèêó CRYSTAF ñîîòâåòñòâóþò ìåíåå 5% ïîëèìåðà, òîãäà òåìïåðàòóðà CRYSTAF ñîñòàâë åò 30°C; èëè (c) õàðàêòåðèçóåòñ óïðóãèì âîññòàíîâëåíèåì, Re, %, ïðè ðàñò æåíèè 300% è 1 öèêëå, èçìåð åìîì íà ïîëó÷åííîé ïð ìûì ôîðìîâàíèåì ïëåíêå èíòåðïîëèìåðà ýòèëåíà/α-îëåôèíà, è èìååò ïëîòíîñòü, d, â ã/ñì 3, ãäå ÷èñëîâûå çíà÷åíè Re è d óäîâëåòâîð þò ñëåäóþùåé çàâèñèìîñòè, êîãäà â èíòåðïîëèìåðå ýòèëåíà/α-îëåôèíà ïî Ñòðàíèöà: 1 RU A 2 0 0 7 1 3 4 4 2 0 A Àäðåñ äë ïåðåïèñêè: 129090, Ìîñêâà, óë.Á.Ñïàññêà , 25, ñòð.3, ÎÎÎ "Þðèäè÷åñêà ôèðìà Ãîðîäèññêèé è Ïàðòíåðû", ïàò.ïîâ. ...

官能化共聚物及其润滑组合物

本发明涉及包括胺、酰胺和酯盐的聚酯季铵盐，制备它们的方法，及它们作为添加剂的用途，包括它们在燃料如柴油燃料和燃料油中的用途。本发明尤其涉及聚酯季铵盐作为清净剂在燃料中的用途及其制备方法。

Полимер, пригодный в качестве улучшителя индекса вязкости

1. Полимер, пригодный в качестве улучшителя индекса вязкости, содержащий структурные единицы, полученные из одного или более этиленненасыщенных сложноэфирных соединений формулы (I),где R является водородом или метилом, Rозначает линейный, разветвленный или циклический алкильный остаток с 1-6 углеродными атомами, Rи Rнезависимо представляют водород или группу формулы -COOR', где R' означает водород или алкильную группу с 1-6 углеродными атомами,структурные единицы одного или более этиленненасыщенных сложноэфирных соединений формулы (II),где R является водородом или метилом, Rозначает 2-алкил-разветвленный алкильный остаток с 12-18 углеродньми атомами, Rи Rнезависимо являются водородом или группой формулы -COOR", где R" означает водород или алкильную группу с 12-18 углеродными атомами, и структурные единицы одного или более этиленненасыщенных сложноэфирных соединений формулы (III),где R является водородом или метилом, Rозначает линейный алкильный остаток с 12-24 углеродными атомами, Rи Rнезависимо являются водородом или группой формулы -COOR", где R" означает водород или алкильную группу с 12-24 углеродными атомами,отличающийся тем, что указанный полимер содержит по меньшей мере 10 мас.% структурных единиц, полученных из одного или более соединений формулы (I), в расчете на общую массу полимера, указанный полимер содержит по меньшей мере 10 мас.% структурных единиц, полученных из одного или более этиленненасыщенных сложноэфирных соединений формулы (II), в расчете на общую массу полимера, и указанный полимер содержит по меньшей мере 10 мас.% структурных единиц, полученных из одного или более этиленненасыщенных сложноэфирных соединений формулы ( РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК C08F 220/18 (11) (13) 2012 150 069 A (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2012150069/04, 24.02.2011 (71) Заявитель(и): ЭВОНИК РОМАКС ЭДДИТИВС ГМБХ (DE) Приоритет(ы): (30) Конвенционный приоритет: 26 ...

含有粘度改进剂组合的润滑组合物

本发明涉及含有粘度改进剂组合的润滑组合物，具体地涉及含有(a)具有润滑粘度的油、(b)星形聚合物和(c)重均分子量为45,000或更小的基本线性聚合物的润滑组合物。本发明进一步提供用该润滑组合物润滑机械装置，通常手动变速器的方法。本发明进一步提供该润滑组合物提供大量益处，包括较低的操作温度和燃料经济性的用途。

Mineral lubricating oil containing polysulfides of thiophosphorous and thiophosphoric acid esters

Reaction product of high molecular weight succinic acids and succinic anhydrides with an ethylene poly- amine

Process for preparing acylated amine-cs2 compositions and products

Process which comprises reacting a carboxylic intermediate with an amine

Acylated nitrogen-containing compositions processes for their preparationand lubricants and fuels containing the same

POLYCARBOXYLIC ACID ACYLATING AGENTS ARE REACTED WITH ALKYLENE POLYAMINES AND THE RESULTING REACTION PRODUCT IS THEN CONTACTED WITH SPECIFIED POLYHYDRIC ALCOHOLS. THE FINAL PRODUCTS ARE USEFUL AS ADDITIVES FOR LUBRICANTS AND FUELS.

Lubricants containing amino phenol-detergent/dispersant combinations

Disclosed are combinations of amino phenols, wherein said phenols contain a substantially saturated hydrocarbon substituent of at least 10 aliphatic carbon atoms, and one or more detergent/dispersants selected from the group consisting of (I) neutral or basic metal salts of an organic sulfur acid, phenol or carboxylic acid; (II) hydrocarbylsubstituted amines wherein the hydrocarbyl substituent is substantially aliphatic and contains at least 12 carbon atoms; (III) acylated nitrogen-containing compounds having a substituent of at least 10 aliphatic carbon atoms; and (IV) nitrogen-containing condensates of a phenol, aldehyde and amino compound. Fuels and lubricants containing such combinations as additives are particularly useful in two-cycle (two-stroke) engines.

Nitrogenous dispersants, lubricants and concentrates containing said nitrogenous dispersants

Compositions useful as lubricant and fuel dispersants are prepared by reacting an intermediate (A) of the formulae ##STR1## wherein each R is hydrogen or a lower hydrocarbon-based group, Ar is an aromatic moiety having at least one aliphatic substituent of at least 6 carbon atoms and x is 1 to about 10, with an amino compound (B) which contains one or more amino groups having hydrogen bonded directly to an amino nitrogen.

Oil soluble acrylated nitrogen compounds having a polar acyl, acylimidoyl or acyloxy group with a nitrogen atom attached directly thereto

Derivatives of succinic acids and nitrogen compounds

Batch Koch carbonylation process

A rapid, batch Koch carbonylation/functionalization reaction of at least one polymer olefin, carbon monoxide, and an aliphatic or aryl alcohol in the presence of an acid catalyst with either an alcohol:polymer olefin mole ratio ≧1:1, or an acid catalyst:polymer olefin mole ratio ≧0.9:1, or both, and recovering at least 80% functionalized polymer which is predominantly ester.

Полимеры, функционализированные реакцией коха, и их производные

Функционализированный по Коху продукт, который является продуктом реакции по меньшей мере одного полимера со среднечисленной молекулярной массой по крайней мере 500 и по меньшей мере с одной этиленовой двойной связью на каждую полимерную цепь, с моноокисью углерода и нуклеофилулавливающим агентом. В объем изобретения включены функционализированный полимер, его производные и способы их получения.

润滑油组合物

从汽车、工业用机械的节省燃耗·节约能源的观点考虑，本发明的课题在于提供兼具极其优异的剪切稳定性和低温粘度特性的润滑油。本发明的润滑油组合物含有：润滑油基础油(A)，所述润滑油基础油(A)在100℃时的运动粘度为1～10mm 2 /s；和乙烯‑α‑烯烃共聚物(B)，所述乙烯‑α‑烯烃共聚物(B)具有以下的(B1)～(B4)的特征，(B1)峰顶分子量为3,000～10,000，(B2)不显示熔融峰，(B3)B值为1.1以上，(B4)100℃时的运动粘度为140～500mm 2 /s，所述润滑油组合物在100℃时的运动粘度为20mm 2 /s以下，所述润滑油组合物在3,000～10,000的分子量范围内具有峰顶，在具有形成该峰顶的分子量以上的高分子量的成分中，分子量为20,000以上的成分的重量分数为1～10％。

Functionalization of polymers based on Koch chemistry and derivatives thereof

A Koch functionalized product which is the reaction product of at least one polymer having a number average molecular weight of at least 500 and at least one ethylenic double bond per polymer chain, with carbon monoxide and a nucleophilic trapping agent. The invention includes functionalized polymer, derivatives thereof and methods of making the same.

Derivatives of polyamines with one primary amine and secondary of tertiary amines

A dispersant derivatized from a functionalized hydrocarbon and a polyamine having one primary amine and 1-10, preferably 3-8 secondary or tertiary amines; preferably where said functionalized hydrocarbon is a Koch-derived hydrocarbon.

Functionalization of polymers based on Koch chemistry and derivatives thereof

A Koch functionalized product which is the reaction product of at least one polymer having a number average molecular weight of at least 500 and at least ethylenic double bond per polymer chain, with carbon monoxide and a nucleophilic trapping agent. The invention includes functionalized polymer, derivatives thereof and methods of making the same.