СМАЗОЧНАЯ КОМПОЗИЦИЯ ДЛЯ ДВИГАТЕЛЯ

Настоящее изобретение относится к смазочной композиции, содержащей: (а) одно или несколько полиалкиленгликолевых базовых масел, представляющих собой сополимеры бутиленоксида и пропиленоксида, (б) по меньшей мере один детергент, выбранный из салицилатов или фенолятов, в количестве от 0,2 до 2 мас.%, где полиалкиленгликолевое(ые) базовое(ые) масло(а) (а) получено(ы) в результате реакции по меньшей мере одного спирта, содержащего от 8 до 20 атомов углерода, и смеси бутиленоксида и пропиленоксида, причем указанная смесь имеет массовое соотношение бутиленоксида к пропиленоксиду, составляющее от 3:1 до 1:3, и кинематическая вязкость полиалкиленгликолевых базовых масел при 100°C, измеренная в соответствии со стандартом ASTM D445, составляет от 1 до 12 сСт. Также настоящее изобретение относится к применению смазочной композиции (варианты). Техническим результатом настоящего изобретения является получение смазочной композиции с уменьшенной испаряемостью по Ноак. 4 н. и 31 з.п. ф-лы, 4 табл.

СМАЗОЧНАЯ КОМПОЗИЦИЯ, ИМЕЮЩАЯ УЛУЧШЕННЫЕ ПРОТИВОИЗНОСНЫЕ СВОЙСТВА

Настоящее изобретение относится к смазочной композиции с улучшенными противоизносными свойствами, измеренными на четырехшариковой машине, содержащей: базовое масло в количестве, большем чем 85 мас.% от массы указанной смазочной композиции; один или более ингибиторов коррозии на основе алкилэфиркарбоновой кислоты формулы (I), где R является C-Cалкильной группой с неразветвленной или разветвленной цепью, и n является числом от 0 до 5; и беззольную противоизносную фосфорсодержащую присадку, выбранную из (1) бутилтрифенилфосфоротионата, (2) нонилтрифенилфосфоротионата, (3) аминфосфата и дитридециламина, (4) нейтрального диалкилдитиофосфата, (5) изопропилфосфородитиоата и дитридециламина, (6) кислотного диалкилдитиофосфата и (7) кислотного диалкилдитиофосфата и дитридециламина и их комбинаций, где противоизносные свойства, измеренные на четырехшариковой машине, представлены в виде среднего диаметра пятен износа в соответствии со стандартным методом ASTM D4172, где средний диаметр пятен износа ...

Металлические соединения каликсаренов, содержащие их моющие составы и их применение в составах смазочных масел

Настоящее изобретение относится к продукту для применения в моющих составах, содержащему смесь металлических соединений каликсарена, не содержащего серы и диспергируемого в масле, которые могут быть частично представлены в виде соли, или быть нейтральными, или основными, или сверхосновными. Указанный каликсарен имеет общую формулу (I)в которой a) R, R, Rи Rнезависимо выбраны из водорода или линейного или разветвленного алкила с числом атомов углерода от 6 до 18; b) Rи Rпредставляют атомы водорода; c) n - число звеньев каликсаренового кольца, которое составляет 5, 6, 8; при этом по меньшей мере в одном из n звеньев каликсаренового кольца по меньшей мере один из заместителей R, R, Rи Rсодержит по меньшей мере одну кислотную группу карбонового типа, доступную для реакции с металлическим основанием, в котором металл выбран из щелочных металлов и щелочноземельных металлов, при условии, что указанная кислотная группа карбонового типа не содержится в звене каликсаренового кольца, относящегося ...

СМАЗКИ С ДИАЛКИЛДИТИОФОСФАТОМ ЦИНКА И ИХ ПРИМЕНЕНИЕ В ДВИГАТЕЛЯХ ВНУТРЕННЕГО СГОРАНИЯ С НАДДУВОМ

Предложена композиция смазочного масла, применение и способ обеспечения приемлемого числа случаев преждевременного воспламенения смеси при низких оборотах в двигателе внутреннего сгорания с применением композиции смазочного масла. Композиция содержит: более 50 масс. % базового масла, выбранного из группы, состоящей из базового масла I группы, базового масла II группы, базового масла III группы, базового масла IV группы, базового масла V группы и их смеси, в расчете на общую массу композиции смазочного масла; и композицию присадки, содержащую: моющую присадку сверхосновного сульфоната кальция, моющую присадку сверхосновного фенолята кальция или их смесь с общим щелочным числом от более 225 до 400 мг KOH/г, измеренным способом согласно ASTM D-2896, и одно или более диалкилдитиофосфатных соединений цинка, где указанные одно или более диалкилдитиофосфатных соединений цинка обусловлены молярным отношением вторичного спирта к первичному спирту, равным от 20:100 до 100:0, и имеют среднее общее ...

ДВУХФАЗНАЯ КОМПОЗИЦИЯ СМАЗОЧНОГО МАСЛА

Настоящее изобретение относится к композиции смазочного масла, содержащей смесь: (A) углеводорода в качестве компонента с низкой вязкостью, причем кинематическая вязкость при 40°C указанного компонента с низкой вязкостью находится в диапазоне от 5 до 500 мм/с, (B) полиалкиленгликоля (PAG) в качестве компонента с высокой вязкостью, в котором массовое отношение кислород/углерод находится в диапазоне от 0,450 до 0,580, причем кинематическая вязкость при 100°C указанного компонента с высокой вязкостью находится в диапазоне от 2,5 до 100 мм/с, и (C) соединения, используемого в качестве регулирующего компонента, в котором отношение кислород/углерод находится в диапазоне от 0,080 до 0,350, причем указанный регулирующий компонент представляет собой соединение, содержащее алифатический сложный эфир, причем углеродная цепь, отличная от цепи в сложноэфирной группе, составляет от С4 до С18. Техническим результатом настоящего изобретения является понижение температуры расслоения и сохранение кинематической ...

СМАЗКИ С ТИТАНОМ И/ИЛИ ВОЛЬФРАМОМ И ИХ ПРИМЕНЕНИЕ ДЛЯ УМЕНЬШЕНИЯ ПРЕЖДЕВРЕМЕННОГО ВОСПЛАМЕНЕНИЯ СМЕСИ ПРИ НИЗКИХ ОБОРОТАХ

Предложены композиция смазочного масла и способ снижения числа случаев преждевременного воспламенения смеси при низких оборотах в двигателе внутреннего сгорания с наддувом. Композиция смазочного масла включает: более 50 масс.% базового масла, выбранного из группы, состоящей из базового масла I группы, базового масла II группы, базового масла III группы, базового масла IV группы, базового масла V группы и их смесей; количество одной или более сверхосновных кальцийсодержащих моющих присадок с общим щелочным числом более 225 мг KOH/г при измерении способом согласно ASTM D-2896, достаточное для обеспечения от более 900 ppm по массе до менее 1800 ppm по массе кальция в композиции смазочного масла, относительно общей массы композиции смазочного масла, при этом одна или более сверхосновных кальцийсодержащих моющих присадок включает соединение, выбранное из моющей присадки сверхосновного сульфоната кальция, моющей присадки сверхосновного фенолята кальция и моющей присадки сверхосновного салицилата ...

ПРИМЕНЕНИЕ ОСОБЫХ ПРОИЗВОДНЫХ КВАТЕРНИРОВАННЫХ СОЕДИНЕНИЙ АЗОТА В КАЧЕСТВЕ ПРИСАДОК К ТОПЛИВАМ И СМАЗОЧНЫМ МАТЕРИАЛАМ

Изобретение раскрывает применение продукта реакции, содержащего кватернизированное соединение азота или содержащего кватернизированное соединение азота частичной фракции, полученной из продукта реакции посредством очистки, в качестве топливной присадки в количестве от 10 до 5000 ч.н.м. масс, в пересчете на общее количество топлива, причем продукт реакции получен путем: a) взаимодействия кватернизируемого соединения азота, содержащего по меньшей мере одну кватернизируемую аминогруппу, со средством кватернизирования, которое преобразует по меньшей мере одну кватернизируемую аминогруппу в группу четвертичного аммония, причем средством кватернизирования является сложный С-С-алкиловый эфир алифатической, циклоароматической или циклоалифатической поликарбоновой кислоты, и b) переэтерификации или амидирования оставшейся сложноэфирной группы продукта кватернизирования стадии а), причем переэтерификацию осуществляют посредством спирта, выбранного из группы, включающей: насыщенные или ненасыщенные ...

ЧАСТИЦЫ НАНОРАЗМЕРОВ ИЗ СУЛЬФИДА МОЛИБДЕНА И ПРОИЗВОДНЫХ И ИХ ПРИМЕНЕНИЕ

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

ДИФЕНИЛАМИН, АЛКИЛИРОВАННЫЙ ОЛЕФИНОВЫМИ СМЕСЯМИ, СОДЕРЖАЩИМИ ФРАКЦИИ С РАЗЛИЧНОЙ СТЕПЕНЬЮ АКТИВНОСТИ

Изобретение относится к усовершенствованному способу алкилирования дифениламина, включающему добавление к дифениламину олигомеров изобутилена в присутствии кислой каталитической глины с образованием смеси и проведение реакции в смеси при температуре, достаточно низкой для того, чтобы предотвратить существенное снижение активности катализатора до тех пор, пока не будет завершено вышеупомянутое добавление, и затем повышение температуры с получением смеси алкилированных дифениламинов, содержащей от 0,1 до 1% дифениламина, менее 10% (трет-бутил)дифениламина, менее 10% монооктилдифениламина, более 20% додецилдифениламина, более 15% гексадецилдифениламина, менее 10% эйкозенилдифениламина, менее 7% тетракозенилдифениламина, менее 4% октакозенилдифениламина и менее 2% полиизобутилдифениламина. Упомянутый дифениламин добавляют в смесь олефинов, содержащую фракции, которые характеризуются высокой реакционной способностью, а также фракции, показывающие относительно более низкую реакционную способность ...

КОМПОЗИЦИЯ СМАЗОЧНОГО МАСЛА

Настоящее изобретение относится к композиции смазочного масла, содержащей базовое масло и в качестве компонента (а) от 0,5 до 1,5 мас.% сложного моно- или диэфира глицерина и прямоцепной или разветвленной жирной кислоты с числом атомов углерода от 6 до 20, имеющей насыщенную гидрокарбильную группу; в качестве компонента (b) от 0,1 до 0,5 мас.% производного триазола, представленного общей формулой (1), где Rпредставляет собой водород или гидрокарбильную группу с числом атомов углерода от 1 до 3, Rи Rсоответственно независимо представляют водород или гидрокарбильную группу с числом атомов углерода от 1 до 20; и в качестве компонента (с) от 0,01 до 0,2 мас.% в расчете на фосфор смеси первичного диалкилдитиофосфата цинка, алкильная группа которого представляет собой первичную гидрокарбильную группу, и вторичного диалкилдитиофосфата цинка, алкильная группа которого представляет собой вторичную гидрокарбильную группу; при этом отношение компонент (а)/компонент (b) составляет от 1,5 до 8. Техническим ...

КОМПОЗИЦИЯ СМАЗОЧНЫХ МАТЕРИАЛОВ

Использование: для смазывания двигателя внутреннего сгорания. Сущность: композиция смазочных материалов включает базовое масло, базовое масло, олеиламид в количестве от 0,05 до 0,5 мас.% и один или более простых эфиров в количестве от 0,1 до 5 мас.% по отношению к общей массе композиции смазочных материалов. Простые эфиры предпочтительно выбраны из группы, состоящей из глицерилмоноолеила, глицерилдиолеила, глицерилтриолеила, глицерилмоностеарила, глицерилдистеарила, глицерилтристеарила. Композиция может дополнительно содержать один или более нитрилов в количестве от 0,1 до 0,8% мас., выбранных из группы, состоящей из нитрилов кокосовых жирных кислот, олеилнитрила, деканнитрила и нитрилов твердых жиров. Технический результат - снижение трения. 2 н. и 6 з.п. ф-лы, 7 табл., 1 ил.

КОМПОЗИЦИЯ СМАЗОЧНОГО МАСЛА ДЛЯ ДВИГАТЕЛЕЙ ВНУТРЕННЕГО СГОРАНИЯ

Композиция смазочного масла для двигателей внутреннего сгорания, содержащая специфическое базовое масло, моноглицерид, имеющий определенную структуру, и этиленоксидный аддукт, имеющий определенную структуру, в определенных количествах и/или соотношениях. Композиция смазочного масла настоящего изобретения наряду с обеспечением выдающихся износостойкости и экономии топлива вызывает диспергирование в масле конденсированной воды и тому подобного от водяных паров, полученных в результате сгорания топлива, что, таким образом, предотвращает корродирование или ржавление двигателя. 6 з.п. ф-лы, 3 табл.

АНТИОКСИДАНТЫ

Изобретение относится к новым производным диалкиланилиноциклогексанов, которые могут быть использованы в качестве антиоксидантов. В формулах (I) и (II):Аrи Аrмогут быть одинаковыми и каждая представляет собой CалкилСароматическую группу; каждый из R, R, R, R, Rи Rявляется водородом. Изобретение также относится к способу получения указанных соединений и к композиции смазочного масла, содержащей указанные соединения. 3 н. и 5 з.п. ф-лы, 2 ил., 2 табл., 4 пр.

ПРОДУКТЫ ВЗАИМОДЕЙСТВИЯ ПОЛИИЗОБУТЕНОВ С ОКИСЯМИ АЗОТА ИЛИ СМЕСЯМИ ОКИСЕЙ АЗОТА И КИСЛОРОДА (ЕГО ВАРИАНТЫ) И СМАЗОЧНОЕ СРЕДСТВО ИЛИ ТОПЛИВО ДЛЯ ДВИГАТЕЛЕЙ ВНУТРЕННЕГО СГОРАНИЯ НА ЕГО ОСНОВЕ (ЕГО ВАРИАНТЫ)

Описываются новые продукты взаимодействия полиизобутенов со средней степенью полимеризации Р от 10 до 100 и долей подвергающихся взаимодействию с ангидридом малеиновой кислоты двойных связей Е, равную 60 - 90%, при этом значение Е было бы равным 100%, если каждая молекула полиизобутена имела бы такую реакционноспособную двойную связь, с окисями азота или смесями окисей азота и кислорода. Указанные продукты могут найти применение в качестве присадок к топливу и смазке, а также как топливо для двигателей внутреннего сгорания и смазки. 6 с. и 10 з.п. ф-лы. 1 табл.

МАСЛЯНАЯ ФАЗА ИНВЕРТНЫХ ЭМУЛЬСИОННЫХ ПРОМЫВОЧНЫХ БУРОВЫХ РАСТВОРОВ, ЭМУЛЬСИОННЫХ ПРОМЫВОЧНЫХ БУРОВЫХ РАСТВОРОВ, МОТОРНЫХ, ТРАНСМИССИОННЫХ И СМАЗОЧНЫХ МАСЕЛ, ЖИДКОСТЕЙ ДЛЯ ОБРАБОТКИ МЕТАЛЛОВ

Ацетали используют при замене минерального масла, компоненты масла или основного масла в инвертирующих эмульсионных промывочных буровых раствора, эмульсионных промывочных буровых растворах, моторных, трансмиссионных и смазочных маслах, а также в жидкостях для обработки металлов, охлаждающих жидкостях, охлаждающих смазочных жидкостях и гидравлических жидкостях. В противоположность обычным минеральным маслам ацетали показывают хорошую биологическую расщепляемость и они менее токсичны. 2 табл.

КОМПОЗИЦИЯ ПОЛИФУНКЦИОНАЛЬНОЙ ПРИСАДКИ, ПОВЫШАЮЩЕЙ ИНДЕКС ВЯЗКОСТИ, И СМАЗОЧНОЕ МАСЛО

Изобретение относится к новым полифункциональным модификациям вязкости, включающим смесь дериватизированных сополимеров этилена с альфа-олефинами, А и Б. Указанный сополимер А содержит от примерно 30 до примерно 60 мас.% мономерных звеньев из этилена и указанный сополимер Б содержит от примерно 60 до примерно 80 мас.% мономерных звеньев из этилена. 2 с. и 6 з.п. ф-лы, 4 ил., 1 табл.

ЗВЕЗДООБРАЗНЫЙ ПОЛИМЕР, СПОСОБ ЕГО ПОЛУЧЕНИЯ, КОМПОЗИЦИЯ СМАЗОЧНОГО МАСЛА

Описывается новый звездообразный полимер, пригодный в качестве присадки, улучшающей индекс вязкости, отличающийся тем, что включает по крайней мере частично гидрированные полиизопреновые блоки и по крайней мере частично гидрированные полибутадиеновые блоки, скомбинированные в молекулы, имеющие структуру (ЕР-ЕВ-ЕР')n-Х, где ЕР - наружный блок полиизопрена, имеющий среднечисленную молекулярную массу (МW1) 6500-85000 перед гидрированием; ЕВ - блок полибутадиена, имеющий среднечисленную молекулярную массу (МW2) 1500 - 15000 перед гидрированием и имеющий по крайней мере 85% мономерных звеньев, присоединенных в положении 1,4; ЕР' - внутренний блок полиизопрена, имеющий среднечисленную молекулярную массу (МW3) 1500-55000 перед гидрированием, причем звездообразный полимер содержит менее 15 мас.% бутадиена, соотношение MW и MW3 составляет 0,75:1 - 7,5:1, а Х - ядро полиалкенильного агента сочетания, n - количество блоксополимерных ответвлений в полимере звездообразной структуры, при сочетании 2 ...

КОМПОЗИЦИЯ СМАЗОЧНОГО МАСЛА

... 1. Применение в композиции смазочного масла, содержащей базовое масло, одной или более магнийсодержащих моющих присадок для уменьшения засорения дизельного фильтра твердых частиц. 2. Применение по п.1, в котором засорение измеряется с помощью теста дизельного фильтра твердых частиц Volkswagen. 3. Применение по п.1 или 2, в котором композиция смазочного масла содержит сульфатированную золу в количестве не более 1,0 мас.% по отношению к общему весу композиции смазочного масла. 4. Применение по п.1 или 2, в котором одну или более магнийсодержащих моющих присадок выбирают из магний-салицилатных моющих присадок, магний-фенолятных моющих присадок, магний-сульфонатных моющих присадок. 5. Применение по п.4, в котором одна или каждая из более чем одной магнийсодержащих моющих присадок имеют независимо TBN (общее щелочное число), измеренное согласно ISO 3771, в пределах от 30 до 600 мг КОН/г. 6. Применение по п.1 или 2, в котором базовое масло выбирают из минерального масла и/или синтетического масла ...

СМАЗЫВАЮЩИЕ КОМПОЗИЦИИ, СОДЕРЖАЩИЕ БОРОКСИНЫ, ДЛЯ УЛУЧШЕНИЯ СОВМЕСТИМОСТИ С ФТОРПОЛИМЕРНЫМ УПЛОТНЕНИЕМ

... 1. Смазывающая композиция, содержащая:базовое масло;содержащее бороксин соединение, описывающееся общей формулой (I):в которой каждый Rнезависимо означает алкильную группу, содержащую от 1 до 7 атомов углерода; истерически затрудненный амин, включенный в количестве, находящемся в диапазоне от 0,5 до 5 мас. % в пересчете на полную массу указанной смазывающей композиции.2. Смазывающая композиция по п. 1 в которой каждый Rнезависимо означает алкильную группу, содержащую от 1 до 5 атомов углерода.3. Смазывающая композиция по п. 1 в которой каждый Rозначает метальную группу.4. Смазывающая композиция по п. 1, в которой указанное содержащее бороксин соединение включено в количестве, находящемся в диапазоне от 0,1 до 5 мас. %, в пересчете на указанную полную массу указанной смазывающей композиции.5. Смазывающая композиция по п. 1, в которой по меньшей мере 50% указанного содержащего бороксин соединения остается непрореагировавшим в указанной смазывающей композиции в пересчете на полную массу указанного ...

СМАЗЫВАЮЩАЯ КОМПОЗИЦИЯ

... 1. Смазывающая композиция для применения в картере двигателя, включающая базовое масло и одну или несколько присадок, где базовое масло представляет собой базовое масло, полученное в синтезе Фишера-Тропша, причем смазывающая композиция содержит один или несколько гребнеобразных полимеров.2. Смазывающая композиция по п. 1, в которой гребнеобразный полимер содержит в основной цепи по меньшей мере одно повторяющееся звено, полученное из по меньшей мере одного макромономера на основе полиолефина, и по меньшей мере одно повторяющееся звено, полученное из по меньшей мере одного низкомолекулярного мономера, выбранного из группы, состоящей из стироловых мономеров, имеющих от 8 до 17 атомов углерода, алкил(мет)акрилатов, имеющих от 1 до 10 атомов углерода в спиртовой группе, сложных виниловых эфиров, имеющих от 1 до 11 атомов углерода в ацильной группе, простых виниловых эфиров, имеющих от 1 до 10 атомов углерода в спиртовой группе, (ди)алкилфумаратов, имеющих от 1 до 10 атомов углерода в спиртовой ...

ПРИСАДКА ДЛЯ УЛУЧШЕНИЯ СОВМЕСТИМОСТИ С УПЛОТНЕНИЯМИ ДЛЯ УЛУЧШЕНИЯ СОВМЕСТИМОСТИ СМАЗОЧНЫХ КОМПОЗИЦИЙ С ФТОРПОЛИМЕРНЫМИ УПЛОТНЕНИЯМИ

КОМПОЗИЦИЯ СМАЗОЧНОГО МАСЛА

... 1. Композиция смазочного масла для двигателей внутреннего сгорания, включающая (А) базовое масло для смазочного масла, (В) сульфированный дитиокарбамат оксимолибдена, представленный формулой (I): ! [Ka 1] ! ! (в формуле (I) каждый R1-R4 представляет независимо гидрокарбильную группу, содержащую от 4 до 22 атомов углерода, и каждый X1-Х4 представляют атом серы или атом кислорода), (С) соединение на основе амида кислоты, (D) (d1) частичный сложный эфир жирной кислоты и/или (d2) алифатический амин и (E) производное бензотриазола, представленное формулой (II): ! [Ka 2] ! ! (в формуле (II) каждый из символов R5 и R6 представляют независимо гидрокарбильную группу, содержащую от 1 до 30 атомов углерода, которая может содержать атом кислорода, атом серы или атом азота), где содержание компонента (B) составляет от 0,02 до 0,1 мас.% по молибдену; содержание компонента (С) составляет от 0,2 до 1,0 мас.%; содержание компонента (D) составляет от 0,2 до 1,0 мас.% и содержание компонента (E) составляет ...

КОМПОЗИЦИЯ СМАЗОЧНОГО МАТЕРИАЛА И ЕЕ ПРИМЕНЕНИЕ ДЛЯ СНИЖЕНИЯ ЗАГРЯЗНЕНИЯ ПОРШНЕВЫХ КОЛЕЦ В ДВИГАТЕЛЕ ВНУТРЕННЕГО СГОРАНИЯ

... 1. Композиция, используемая в качестве смазочного масла, содержащая базовое масло или смесь базовых масел, насыщенные циклические углеводороды в количестве от 5 до 10 вес.% в расчете на весь смазочный материал и одну или более добавок, имеющая кинематическую вязкость при 100°С выше 5,0 мм2/с (сСт), динамическую вязкость, имитируемую проворачиванием коленчатого вала непрогретого двигателя, при -15°С согласно ASTM D 5293 ниже 9500 мПа·с (сПз) и значение, получаемое в тесте на миниротационном вискозиметре, ниже 60000 мПа·с при -20°С согласно ASTM D 4684, в которой базовое масло или смесь базовых масел получены из обогащенной тяжелыми парафинами синтезированной способом Фишера-Тропша углеводородной фракции, и содержит непрерывный ряд изопарафинов, имеющих n, n+1, n+2, n+3 и n+4 атомов углерода, где n составляет от 15 до 35, с заполнением верхней канавки на менее чем 50 об.% согласно тесту на моющее действие на Nissan TD25 (Японская организация автомобильных стандартов (JASO) М336:1998). ! 2 ...

КОМПОЗИЦИЯ СМАЗОЧНОГО МАСЛА ДЛЯ ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ

... 1. Композиция смазочного масла для двигателей внутреннего сгорания, содержащая базовое масло, (А) по меньшей мере, одно соединение, выбранное из группы, состоящей из дисульфидных соединений, представленных следующей общей формулой (I): ! ! (где R1 и R2, каждый независимо, представляют собой С1-С30 углеводородную группу, которая может содержать атом кислорода, атом серы или атом азота, A1 и А2, каждый независимо, представляют собой группу формулы CR3R4 или CR3R4-CR5R6, где R3-R6, каждый независимо, представляют собой атом водорода или С1-С20 углеводородную группу), ! и дисульфидных соединений, представленных следующей общей формулой (II): ! ! (где R7, R8, R12 и R13, каждый независимо, представляют собой С1-С30 гидрокарбильную группу, которая может содержать атом кислорода, атом серы или атом азота, и R9-R11 и R14-R16, каждый независимо, представляют собой атом водорода или С1-С5 углеводородную группу), ! (B) молибденорганическое соединение, и (С) антиокислитель на основе фенола и/или антиокислитель ...

ПРОТИВОПЕННАЯ ПРИСТАВКА И СВЯЗАННЫЕ С НЕЙ СПОСОБЫ ПРИМЕНЕНИЯ

СМАЗОЧНАЯ КОМПОЗИЦИЯ ДЛЯ СУДОВОГО ДВИГАТЕЛЯ ИЛИ СТАЦИОНАРНОГО ДВИГАТЕЛЯ

ПРИМЕНЕНИЯ И КОМПОЗИЦИИ

... 1. Применение растворимого в масле моно-, ди- или триглицерида, по крайней мере, одной многоосновной гидроксикарбоновой кислоты, или его производного, в качестве противоизносной присадки и/или модификатора трения в безводной смазочной композиции и/или в топливной композиции.2. Применение по п. 1, в котором смазочную композицию применяют для смазки двигателя внутреннего сгорания.3. Применение по п. 2, в котором растворимый в масле моно-, ди- или триглицерид, по крайней мере, одной многоосновной гидроксикарбоновой кислоты, или его производное, обеспечивают в жидкой топливной композиции, которую применяют для работы двигателя внутреннего сгорания, и при этом часть, по крайней мере, указанного глицерида попадает в композицию смазочного масла во время работы указанного двигателя.4. Применение по п. 1, в котором многоосновная гидроксикарбоновая кислота имеет, по крайней мере, одну гидроксильную группу, которая находится в альфа-положении по отношению к карбоксильному фрагменту.5. Применение по ...

ПРИМЕНЕНИЕ СЛОЖНЫХ ЭФИРОВ ПОЛИГЛИЦЕРИНА В КАЧЕСТВЕ ТРИБО-МОДИФИКАТОРОВ В СМАЗЫВАЮЩИХ КОМПОЗИЦИЯХ

Металлические соединения каликсаренов, содержащие их моющие составы и их применение в составах смазочных масел

КОМПОЗИЦИИ ЖИДКИХ ТОПЛИВ

... 1. Композиция жидкого топлива, содержащая:- базовое топливо, подходящее для использования в двигателе внутреннего сгорания, которое представляет собой бензин или дизельное топливо; и- один или несколько полиэфираминов на основе простого эфира, описывающихся формулой (I):где R представляет собой группу, где Rнезависимо выбирают из водорода и C-Cгидрокарбильной группы, n представляет собой целое число в диапазоне от 6 до 37, m представляет собой целое число в диапазоне от 12 до 74, а p равно 1.2. Композиция жидкого топлива по п.1, где количество полиэфираминов на основе простого эфира, присутствующих в композиции жидкого топлива, составляет, по меньшей мере, 1 ч/млн (мас.) в расчете на общую массу композиции жидкого топлива.3. Композиция жидкого топлива по п.2, где количество полиэфираминов на основе простого эфира, присутствующих в композиции жидкого топлива, находится в диапазоне от 10 ч/млн (мас.) до 20 мас.% в расчете на общую массу композиции жидкого топлива.4. Композиция жидкого топлива ...

ДИСПЕРГАТОРЫ НА ОСНОВЕ ПРОИЗВОДНЫХ ПОЛИОЛЕФИНА

СПОСОБ ПОЛУЧЕНИЯ БАЗОВОГО СОСТАВА СМАЗОЧНОГО МАСЛА

... 1. Способ получения базового состава смазочного масла, включающийпервую стадию приведения в контакт исходных материалов, содержащих нормальные парафины, имеющие не менее 20 атомов углерода, с первым катализатором в присутствии молекулярного водорода с получением первого получаемого масла, ивторую стадию приведения в контакт первого получаемого масла со вторым катализатором в присутствии молекулярного водорода с получением второго получаемого масла, гдепервый катализатор содержит первый носитель, в котором доля количества NH, которое десорбируется при 300-800°C, в расчете на общее количество NH, которое может десорбироваться, составляет 80-90%, при десорбции NHс программируемым изменением температуры; первый металл, который представляет собой по меньшей мере один металл, выбранный из металлов, которые принадлежат к Группе VI Периодической таблицы, и нанесенный на первый носитель; и второй металл, который представляет собой по меньшей мере один металл, выбранный из металлов, которые принадлежат ...

СМАЗКА ДЛЯ ДВИГАТЕЛЯ (ВАРИАНТЫ) И СПОСОБ ПОДАВЛЕНИЯ ПРЕЖДЕВРЕМЕННОГО ВОСПЛАМЕНЕНИЯ

... 1. Смазка для двигателя, содержащая:моторное масло; иприсадку, растворенную в моторном масле в количестве, действенном для подавления детонации или преждевременного воспламенения вследствие проникновения смазки в камеру сгорания двигателя, причем присадка имеет давление насыщенного пара меньше, чем 300 торр при 370 кельвинах, и дает только летучие продукты сгорания.2. Смазка по п. 1, в которой количество, действенное для подавления преждевременного воспламенения или детонации, является количеством, действенным для снижения уровня преждевременного воспламенения или детонации, демонстрируемых двигателем, когда двигатель смазывается моторным маслом без присадки.3. Смазка по п. 1, в которой присадка повышает температуру самовоспламенения смазки относительно температуры самовоспламенения моторного масла.4. Смазка по п. 1, в которой присадка включает в себя анилин.5. Смазка по п. 1, в которой присадка включает в себя N-арилированный анилин.6. Смазка по п. 1, в которой присадка включает в себя ...

СМАЗОЧНАЯ КОМПОЗИЦИЯ ДЛЯ ДВИГАТЕЛЯ

... 1. Смазочная композиция, содержащая:(а) одно или несколько полиалкиленгликолевых базовых масел, полученных полимеризацией или сополимеризацией алкиленоксидов, содержащих от 3 до 8 атомов углерода, включающих по меньшей мере один бутиленоксид,(б) по меньшей мере один детергент, выбранный из салицилатов или фенолятов.2. Смазочная композиция по п.1, где полиалкиленгликолевое(ые) базовое(ые) масло(а) (а) являются сополимерами бутиленоксида и пропиленоксида.3. Смазочная композиция по одному из пп.1-2, где полиалкиленовое(ые) базовое(ые) масло(а) (а) получено(ы) в результате реакции по меньшей мере одного спирта, содержащего от 8 до 20 атомов углерода, и смеси бутиленоксида и пропиленоксида, причем указанная смесь имеет массовое соотношение бутиленоксида к пропиленоксиду, составляющее от 3:1 до 1:3, предпочтительно от 3:1 до 1:1.4. Композиция по п.3, где полиалкиленгликолевое(ые) базовое(ые) масло(а) (а) является(ются) таковым(и), что спирт(ы), с которым(и) их можно получить, включает(ют) от ...

СМАЗЫВАЮЩАЯ КОМПОЗИЦИЯ, СОДЕРЖАЩАЯ АЦИКЛИЧЕСКИЕ СТЕРИЧЕСКИЕ ЗАТРУДНЕННЫЕ АМИНЫ

... 1. Моторная смазывающая композиция, включающая:базовое масло; иациклический амин, содержащийся в количестве, находящемся в диапазоне от 0,1 до 10 мас. % в пересчете на общую массу указанной моторной смазывающей композиции, указанный ациклический амин описывается формулой (I):в которой каждый Rнезависимо выбран из группы, включающей водород и алкильную группу, содержащую от 1 до 17 атомов углерода, в которой по меньшей мере два из Rозначают независимо выбранные алкильные группы,в которой каждый Rнезависимо выбран из группы, включающей алкильную группу, амидную группу, простую эфирную группу и сложноэфирную группу, каждая из которых содержит от 1 до 17 атомов углерода ив которой Rвыбран из группы, включающей водород и спиртовую группу, алкильную группу, амидную группу, простую эфирную группу и сложноэфирную группу, каждая из которых содержит от 1 до 17 атомов углерода.2. Моторная смазывающая композиция по п. 1, в которой указанный ациклический амин является неполимерным и имеет среднемассовую ...

METHOD OF PREPARING OF ADDITIVE TO FUEL AND LUBRICATING OILS

LUBRICANT COMPOSITION FOR INTERNAL ENGINES

COMPOSITE REINFORCING MATERIAL AND MOLDING MATERIAL

COMPOSITE CONDUCTIVE MATERIAL, POWER STORAGE DEVICE, CONDUCTIVE DISPERSION, CONDUCTIVE DEVICE, CONDUCTIVE COMPOSITE AND THERMALLY CONDUCTIVE COMPOSITE AND METHOD OF PRODUCING A COMPOSITE CONDUCTIVE MATERIAL

COMPOSITE LUBRICATING MATERIAL, ENGINE OIL, GREASE, AND LUBRICANT

GRAPHITE-TYPE CARBON MATERIAL USED AS GRAPHENE PRECURSOR AND METHOD FOR PRODUCING SAME

COMPOSITE REINFORCING MATERIAL AND MOLDING MATERIAL

COMPOSITE LUBRICATING MATERIAL, ENGINE OIL, GREASE, AND LUBRICANT

GRAPHITE-TYPE CARBON MATERIAL USED AS GRAPHENE PRECURSOR AND METHOD FOR PRODUCING SAME

COMPOSITE CONDUCTIVE MATERIAL, POWER STORAGE DEVICE, CONDUCTIVE DISPERSION, CONDUCTIVE DEVICE, CONDUCTIVE COMPOSITE AND THERMALLY CONDUCTIVE COMPOSITE AND METHOD OF PRODUCING A COMPOSITE CONDUCTIVE MATERIAL

SCHMIERÖL UND VERWENDUNG VON INHIBITOREN GEGEN METALLAUFNAHME

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

ALKYL HYDRAZID AS ADDITIVES FOR LUBRICANTS

LUBRICANT PREPARATIONS FOR TWO-STROKE ENGINES

COAL HYDRATE ESTER FOR APPLICATIONS OF LUBRICANTS

LUBRICANT COMPOSITION WITH IMPROVED PROTECTION AGAINST CORROSION OF CAMPS

AS LUBRICANT AND FUEL ADDITIVES APTITUDE DITHIOCARBAMATDERIVATE

SEVERAL ANTIOXIDANTIEN ABSTENTIONS LUBRICANT COMPOSITIONS

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

PROCEDURE FOR THE LUBRICATION OF LINES FOR CEMENT GROUTS

LUBRICATING OIL COMPOSITIONS

SLIDING MECHANISM WITH SMALL FRICTION

LUBRICANT COMPOSITIONS

3-ARYL-BENZOFURANONE ALS STABILISATOREN

The invention described novel compounds of formulaas defined in claim 1, as stabilisers for protecting organic materials, in particular polymers and lubricants, against thermal, oxidative or light-induced degradation.

LAGERELEMENT

The lubricating lacquer for the production of a coating on a tribiological surface useful for a bearing element, comprises a polymer that forms the polymer matrix of the coating, or an initial stage of the polymer that forms the polymer matrix through hardening, a solid lubricant, if necessary a strength increasing additives and/or a solvent. The molecular structure of the polymer or the initial stage of the polymer comprises a main chain of repeating monomer units or initial stage of the monomer units that represent a part of the main chain. The lubricating lacquer for the production of a coating on a tribiological surface useful for a bearing element, comprises a polymer that forms the polymer matrix of the coating, or an initial stage of the polymer that forms the polymer matrix through hardening, a solid lubricant, if necessary a strength increasing additives and/or a solvent. The molecular structure of the polymer or the initial stage comprises a main chain of repeating monomer units ...

LUBRICATING OIL COMPOSITION

GRAFTING COPOLYMERS AND LUBRICANTS, THIS CONTAINING AS MORE DISPERSE ONES AND VISCOSITY-BETTER

BASIC OILS WITH HIGH VISCOSITY INDEX AND IMPROVED KÄLTEVERHALTEN

SALTS OF FAT AMINES AND POLYFLUOROCARBONSÄUREN AND YOUR USE AS LUBRICANT ADDITIVES

LUBRICATING OIL ADDITIVES, YOUR PRODUCTION AND YOUR USE

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

ALKYL AMINE COMPLEXES OF BORATING ALKYLKATECHOLEN AND THESE COMPLEXES ABSTENTION LUBRICATING OIL COMPOSITIONS.

SULFURIZIERTE COMPOSITIONS AND THESE CONTAINING AUXILIARY CONCENTRATES AND LUBRICATING OILS.

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

EXTREME HIGH PRESSURE ADDITIVES FOR USE IN METAL LUBRICATION.

ENGINE OIL WITH A CONTENT PHENOLALKOXYLATEN ON.

WITH MINERAL ACIDS TREATED ONE, NITROGENOUS DISPERSING AGENTS AND THESE CONTAINING LUBRICANTS.

COMPOSITIONS, CONCENTRATES, LUBRICANT PREPARATIONS, FUEL PREPARATION AND IMPROVEMENT PROCEDURE THE FUEL ECONOMY OF COMBUSTION ENGINES.

PHOSPHORUS ARMS LUBRICANTS.

SULFUR ABSTENTION POLYMER POLYESTER AND AUXILIARY OF CONCENTRATES AND THESE CONTAINING LUBRICATING OILS.

MORE POLYETHERPHOSPHATESTER

LUBRICANT AND/OR LUBRICANT CONCENTRATE.

LUBRICANT COMPOSITION CONTAINING A COMBINATION OF VERSCHLEISSSCHUTZ AND ANTI-OXIDE TO ADDITIVES

ENGINE OIL COMPOSITION WITH LOW ONE PHOSPHONGEHALT AND ADDITIVE COMPOSITIONS

LUBRICANT, GREASES AND AQUEOUS LIQUIDS, THE DERIVATIVES OF DIMERCAPTOTHIADIAZOLEN AS ADDITIVES CONTAINING

LUBRICATING OIL COMPOSITIONS AND THEIR USE

PROCEDURE FUER THE PRODUCTION OF STABLE OELIGEN COMPOSITIONS.

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

TERALKYLPHENOLEN AND YOUR USE AS ANTIOXIDANTS

PROCEDURE FOR THE PRODUCTION OF ETHYL ALPHA OLEFINPOLYMER SUBSTITUTING MONO AND DICARBONIC ACID DISPERSION ADDITIVES

STAR SHAPED POLYMER AS THE VISCOSITY INDEX-BETTER FOR LUBRICATING OIL COMPOSITIONS

USE OF AN ADDITIVE COMPOSITION FOR IMPROVEMENT FILTERBARNESS OF LUBRICANT COMPOSITIONS CONTAMINATED WITH WATER

COMPOSITIONS, CONCENTRATES, LUBRICANT COMPOSITION, FUEL COMPOSITION, AND IMPROVEMENT PROCEDURE THE FUEL ECONOMY OF COMBUSTION ENGINES

LUBRICANT PREPARATION FOR COMBUSTION ENGINES WITH TURNING PISTONS

LUBRICATING OIL COMPOSITION WITH LONG LIFE SPAN WITH SPECIAL CLEANING MIXTURE

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

MIXED PHOSPHORUS CONNECTIONS AND THESE CONTAINING LUBRICANTS

PROCEDURE FOR THE OIL DISPERSION CLEANING OF OVER-BASIC DETERGENTIEN THE KALZIT CONTAINING

LINEAR CONNECTIONS CONTAINING PHENOL AND SALICYLSÄURE UNITS

LUBRICANT ON VEGETABLE OIL BASIS FOR COMBUSTION ENGINES

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

The present invention relates to novel acid-free quaternized nitrogen compounds, to the preparation thereof and to the use thereof as a fuel and lubricant additive, more particularly as a detergent additive, as a wax antisettling additive (WASA) or as an additive for reducing internal diesel injector deposits (IDID); to additive packages which comprise these compounds; and to fuels and lubricants thus additized. The present invention further relates to the use of these acid-free quaternized nitrogen compounds as a fuel additive for reducing or preventing deposits in the injection systems of direct-injection diesel engines, especially in common-rail injection systems, for reducing the fuel consumption of direct-injection diesel engines, especially of diesel engines with common-rail injection systems, and for minimizing power loss in direct-injection diesel engines, especially in diesel engines with common-rail injection systems.

Method of operating a hybrid engine

The invention relates to a method of operating a hybrid internal combustion engine, which method comprises: fuelling said hybrid internal combustion engine with a combustible fuel; lubricating said engine with an engine oil composition; and maintaining an oil film thickness of the engine oil composition in the big end conrod bearing shells of the engine of at least 0.4 μm; in which the temperature of the engine oil composition is maintained below 123° C. and the engine oil composition has: a high temperature, high shear viscosity of less than 2.6 cP (2.6 millipascal second) at 150° C. and at a shear rate of 10 6 s −1 ; a Noack volatility of at most 13 weight %; and comprises: (A) a base oil which is at least one synthetic basestock, the base oil having a kinematic viscosity of at least 2.0 cSt (2.0 mm2/s) at 100 ° C.; and (B) an additive package which comprises at least one dispersant, at least one detergent, and at least one phosphorus-containing, anti-wear additive in an amount to provide a total concentration of phosphorus-containing, anti-wear additives in the engine oil composition corresponding to 0.01 to 0.2 weight % phosphorus in the engine oil composition.

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

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

Lubricating composition containing multifunctional hydroxylated amine salt of a hindered phenolic acid

Multi-functional additives which impart improved antioxidancy to lubricating oil compositions and frictional properties resulting in improved fuel economy in an internal combustion engine are disclosed. More particularly disclosed are lubricating oil compositions for internal combustion engines comprising a) a major amount of an oil of lubricating viscosity; and b) a minor amount of an oil soluble hydroxylated amine salt of a hindered phenolic acid, said salt having the general formula I: wherein A and Q are each independently C 2 -C 6 alkylene group; R is methyl, alkyl or alkenyl group having C 2 -C 24 carbon atoms; Y is hydrogen, C 1 -C 6 alkyl group or A-OH; x is an integer of 1 or 2; and z is an integer of 0 or 1.

Lubricating oil composition

A lubricating oil composition that is free of organic friction modifiers, comprising (A) an oil of lubricating viscosity in a major proportion; (B) as an additive component in a minor proportion, a separately-prepared oil-soluble zinc salt of a dithiophosphoric acid, the dithiophosphoric acid being the reaction product of phosphorus pentasulphide with one or more alcohols, at least 50 mole % of the alcohol(s) having formula ROH where R is linear C18 to C26 saturated or double-bond unsaturated hydrocarbyl group; and (C) as an additive component in a minor proportion, a separately-prepared oil-soluble zinc salt of a dithiophosphoric acid, the dithiophosphoric acid being the reaction product of a phosphorus pentasulphide with one or more aliphatic alcohols consisting of an alcohol or alcohols each having from three to eight carbon atoms.

Lubricating Oil Composition For Lubricating Automotive Engines

A lubricating oil composition of SAE viscosity grade 0W20 which comprises a base oil and additive components comprising a nitrogen-containing ashless dispersant, an alkaline earth metal-containing detergent, a phosphorus-containing wear inhibitor, an oxidation inhibitor and a viscosity index improver and which shows a viscosity index of 200-240, a HTHS viscosity of not less than 2.9 mPa·s s at 150° C. and a Noack evaporation loss of not more than 13% favorably gives a high fuel economy and high wear inhibition to a four cycle gasoline engine of motorcycles and a diesel engine mounted on motor cars equipped with an exhaust gas post-processing apparatus.

Lubricating oil compositions comprising a molybdenum compound and a zinc dialkyldithiophosphate

Provided herein are lubricating oil compositions comprising a major amount of a base oil, at least one oil-soluble molybdenum compound and a zinc dialkyldithiophosphate compound, wherein the molybdenum content derived from the molybdenum compound is at least 10 ppm based on the total weight of the lubricating oil composition and the phosphorus content derived from the zinc dialkyldithiophosphate compound is about 200 to 500 ppm based on the total weight of the lubricating oil composition. The lubricating oil composition can further comprise at least one additive. Methods of making and using the lubricating oil compositions are also described.

Lubricant compositions containing a functionalized dispersant for improved soot or sludge handling capabilities

A crankcase lubricant composition, method for improving the soot or sludge handling capability of a crankcase lubricant composition and a method of operating an engine on a crankcase lubricant composition. The lubricant composition includes a base oil and a reaction product of mono-succinimide dispersant and an acidic compound containing two or more pyrrole groups.

Star Polymer Lubricating Composition

The invention provides a lubricating composition containing (a) 0.001 wt % to 15 wt % of a polymer with radial or star architecture; (b) an overbased detergent; (c) a dispersant; and (d) an oil of lubricating viscosity. The invention further provides a method for lubricating a mechanical device with the lubricating composition.

Lubricating oil composition for diesel engine

A lubricating oil composition for diesel engines, particularly a composition with low ashes and no metals. The lubricating oil composition has exceedingly high detergency and excellent antiwear so that it is suitably used for diesel engines equipped with an apparatus for after-treatment of exhaust gas. The lubricating oil composition contains a lubricating base oil which includes a component (A): 2 to 30% by mass, based on the total amount of the composition, of a succinimide compound having an alkenyl group or an alkyl group of a number average molecular weight of 80 to 500 or a boronic compound thereof; and a component (B): 0.5 to 30% by mass, based on the total amount of the composition, of a succinimide compound having an alkenyl group of a number average molecular weight of 800 to 3,500 or a boronic compound thereof.

Lubricating Compositions Containing Polyalkylene Glycol Mono Ethers

Provided are lubricating compositions comprising in admixture at least 40 wt % of a base stock selected from the group consisting of Group I, Group II, Group III, Group IV and Group V base stocks, or any combination thereof, one or more polyalkylene glycol mono ethers, and at least one additive. Also provided are methods of improving the friction and wear properties of a base stock selected from the group consisting of Group I, Group II, Group III, Group IV and Group V base stocks, or any combination thereof, comprising blending the base stock with one or more polyalkylene glycol mono ethers and at least one additive, to form a lubricating composition.

Lubricant composition for an internal combustion engine

A lubricating oil composition for an internal combustion engine contains a component (A) of a polyalphaolefin having a kinematic viscosity at 100 degrees C. of 5.5 mm 2 /s or less, a CCS viscosity at −35 degrees C. of 3000 mPA·s or less and a NOACK of 12 mass % or less, and a component (B) of a mineral oil having a viscosity index of 120 or more. The component (A) is contained at a content of 25 mass % or more of a total amount of the composition.

Low-Ash Lubricating Oils for Diesel Engines

The lubricant for a sump-lubricated, compression-ignited engine may contain an amount of a C12-C24 carboxylic acid-based fuel additive or component obtained by migration from the fuel. Good lubricant performance is obtained by including in the lubricant a boron-containing additive in an amount to provide about 2 to about 500 ppm B to the lubricant, provided that the total sulfated ash level is less than 0.8 weight percent.

Novel materials as additives for advanced lubrication

This invention relates to carbon-based materials as anti-friction and anti-wear additives for advanced lubrication purposes. The materials have various shapes, sizes, and structures and are synthesized by autogenic reactions under extreme conditions of high temperature and pressure. The lubricant compositions comprise carbon-based particles suspended in a liquid hydrocarbon carrier. Optionally, the compositions further comprise a surfactant (e.g., to aid in dispersion of the carbon particles). Specifically, the novel lubricants have the ability to significantly lower friction and wear, which translates into improved fuel economies and longer durability of mechanical devices and engines.

Lubricating Composition Containing Multifunctional Hydroxylated Amine Salt Of A Hindered Phenolic Acid

Multi-functional additives which impart improved antioxidancy to lubricating oil compositions and frictional properties resulting in improved fuel economy in an internal combustion engine are disclosed. More particularly disclosed are lubricating oil compositions for internal combustion engines comprising a) a major amount of an oil of lubricating viscosity; and b) a minor amount of an oil soluble hydroxylated amine salt of a hindered phenolic acid, said salt having the general formula I: wherein A and Q are each independently C 2 -C 6 alkylene group; R is methyl, alkyl or alkenyl group having C 2 -C 24 carbon atoms; Y is hydrogen, C 1 -C 6 alkyl group or A-OH; x is an integer of 1 or 2; and z is an integer of 0 or 1.

Low viscosity lubricating oil base stocks and processes for preparing same

A composition that includes one or more compounds represented by the formula R 1 (X)R 2 wherein R 1 is an alkyl group having from 4 to 40 carbon atoms, R 2 is an aliphatic group having from 4 to 20 carbon atoms, an aromatic group having from 6 to 20 carbon atoms, or a cycloaliphatic group having from 5 to 20 carbon atoms, and X is a heteroatom. The composition has a viscosity (Kv 100 ) from 2 to 30 at 100° C., a viscosity index (VI) from 100 to 200, and a Noack volatility of no greater than 20 percent. The disclosure also relates to a process for producing the composition, a lubricating oil base stock and lubricating oil containing the composition, and a method for improving one or more of solubility and dispersancy of polar additives in a lubricating oil by using as the lubricating oil a formulated oil containing the composition.

Pentaerythritol tetraester

A pentaerythritol tetraester which is a mixed ester of pentaerythritol and carboxylic acids is provided, wherein the carboxylic acids consist of isobutyric acid and 3,5,5-trimethylhexanoic acid and the molar ratio of isobutyric acid to 3,5,5-trimethylhexanoic acid in the carboxylic acids is 36/64 to 80/20. The pentaerythritol tetraester may be used in a refrigerant oil or the like which exhibits excellent miscibility with a difluoromethane refrigerant among other properties.

Microencapsulated engine lubricant additives

An engine lubricating system for an internal combustion engine. The system comprises a vehicle engine; a circulation system for providing a continuing flow of lubricant to the vehicle engine and engine components; and a lubricant disposed within the circulation system. The lubricant comprises a base oil and at least one microencapsulated oil additive. The microencapsulated oil additive is selectively released into the lubricant based one or more localized event. The localized event may include a predetermined temperature change, a predetermined pH change, a localized high friction contact, and combinations thereof.

Method for improving engine fuel efficiency

A method for improving fuel efficiency in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil having a composition comprising: a lubricating oil base stock; and a viscosity index improver comprising at least one propylene-based polymer. The at least one propylene-based polymer comprises from 60 wt % to 98 wt % propylene derived units and from 2 wt % to 40 wt % units derived from one or more other alpha olefins, a weight average molecular weight (Mw) as measured by GPC of from 100,000 to 500,000, a number average molecular weight (Mn) as measured by GPC of from 100,000 to 400,000, a molecular weight distribution (MWD=Mw/Mn) of from 1 to 2; and a mole ratio of propylene to one or more other alpha olefins from 50:50 to 85:15.

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.

Aminobenzoic Acid Derivatives

This invention relates to N-alkylated anthranilic acid derivative and their use in lubricants, such as engine oils, as TBN boosters. The invention particularly relates to compositions that deliver an ash-free base to a lubricant in the form of a basic amine additive, without adversely impacting seal compatibility and/or degradation, and methods thereof.

Non-aromatic based antioxidants for lubricants

A lubricant composition comprises a cycloaliphatic amine alkoxylate and a base oil selected from (a) a polyalkylene glycol; (b) a polyalphaolefin; (c) a naphthenic compound; and (d) combinations thereof; provided that the cycloaliphatic amine alkoxylate and the base oil are miscible. The lubricant may exhibit a viscosity change at 40° C. of less than 5 percent (%) after 13 days at 120° C. in dry air, indicating significant thermoxidative stability with minimal or no aromatic content, thereby enabling use of Groups II and III base oils, in particular, without reduced toxicity and/or quality concerns as compared with Group I base oil lubricants.

Fuel and engine oil composition and its use

A composition is provided that contains a major amount of a hydrocarbon base fluid having a viscosity of up to 600 cST at 40 ° C. and (b) a minor amount of a micronized cellulose acetate butyrate having a particle size distribution on average of less than 30 microns. The compositions reduce and control the friction coefficient and anti-wear film of hydrocarbon base fluids.

Lubricating Oil Compositions Containing Sterically Hindered Amines as Ashless TBN Sourcces

Hindered amines useful as ashless TBN sources for lubricating oil compositions that are compatible with fluoroelastomeric engine seal materials, and lubricating oil compositions containing such compounds.

Calcium neutral and overbased mannich and anhydride adducts as detergents for engine oil lubricants

A sulfur-free metal or ammonium salt compound, a method of making the compound, and a lubricant additive concentrate, and lubricant composition containing the compound. The compound is made by reacting a phenolic compound reacted with an aldehyde and an amine, with a compound selected from the group consisting of an acylating agent and an electrophilic compound.

Lubricant composition comprising unhindered alkyl amines

A lubricant composition including a base oil and from 0.01 to 10 wt. % of an amine compound based on a total weight of the lubricant composition. The amine compound has the formula R 1 (R 2 )NH, where R 1 and R 2 are each independently straight or branched chain acyclic alkyl groups having from 1 to 20 carbon atoms. The alpha carbon of R 1 or R 2 is primary if R 1 or R 2 is an alkyl group having more than one carbon atom respectively. At least 90 wt. % of the amine compound remains unreacted in the lubricant composition based on a total weight of the amine compound prior to any reaction in the lubricant composition.

Lubricating Composition Containing a Polymer

The invention provides a lubricating composition containing an oil of lubricating viscosity, an additive containing a polymeric backbone and at least one amino group. The invention further provides for the additive to have dispersant and/or dispersant viscosity modifying properties. The lubricating composition is suitable for lubricating an internal combustion engine.

Improved dispersant viscosity mofidiers

The invention provides a dispersant viscosity modifier, and more specifically a metal free dispersant viscosity modifier. The invention provides compositions, including lubricating compositions containing the described dispersant viscosity modifier, such as heavy duty diesel lubricating compositions. The invention further relates to the use of the described dispersant viscosity modifier to improve the film thickness and/or antiwear performance of a lubricating composition, for example, a heavy duty diesel lubricating composition. The improved dispersant viscosity modifier of the invention is specially designed to protect against valve train and other crankcase wear in lubricating applications, including heavy soot conditions such as heavy duty diesel lubricating applications.

LOW VISCOSITY ENGINE OILS CONTAINING ISOMERIZED PHENOLIC-BASED DETERGENTS

This disclosure generally relates to a lubricating oil composition having a HTHS viscosity at 150° C. in a range of about 1.3 to about 2.5 cP, comprising: (a) a major amount of an oil of lubricating viscosity having a kinematic viscosity at 100° C. in a range of 1.5 to 6.0 mm/s; and (b) an overbased metal salt of an alkyl-substituted detergent. 1. A lubricating oil composition having a HTHS viscosity at 150° C. in a range of about 1.3 to about 2.5 cP , comprising:{'sup': '2', '(a) a major amount of an oil of lubricating viscosity having a kinematic viscosity at 100° C. in a range of 1.5 to 6.0 mm/s; and'}(b) an overbased metal salt of an alkyl-substituted phenolic-based detergent, wherein the alkyl group is derived from an isomerized normal alpha olefin having from about 10 to about 40 carbon atoms per molecule having an isomerization level (I) of the normal alpha olefin of from about 0.1 to about 0.4.2. The lubricating oil composition of claim 1 , wherein the alkyl-substituted phenolic-based detergent is selected from the group consisting of a non-sulfur containing phenate claim 1 , sulfur-containing phenate claim 1 , a naphthenate claim 1 , a complex detergent claim 1 , a salixarate claim 1 , a salicylate claim 1 , a saligenin claim 1 , a calixarene claim 1 , sulfur-bridged alkylphenols claim 1 , alkylene-bridged alkylphenols claim 1 , and mixtures thereof.3. The lubricating oil composition of wherein the alkyl-substituted phenolic-based detergent is a carboxylate or a salicylate detergent claim 1 , wherein the alkyl group is derived from an isomerized alpha olefin having from about 10 to about 40 carbon atoms per molecule having an isomerization level (I) of the normal alpha olefin of from about 0.1 to 0.4.4. The lubricating oil composition of wherein the alkyl-substituted phenolic-based detergent is an isomerized olefin phenate detergent claim 1 , wherein the alkyl group is derived from an isomerized alpha olefin having from about 10 to about 40 carbon atoms per ...

Lubricating engine oil compositions containing detergent compounds

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

MULTIFUNCTIONAL LUBRICATING OIL BASE STOCKS AND PROCESSES FOR PREPARING SAME

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

Engine oil composition

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

Lubricants With Calcium-Containing Detergent and Their Use for Improving Low Speed Pre-Ignition

A lubricating oil composition and method of operating a boosted internal combustion engine. The lubricating oil composition includes greater than 50 wt. % of a base oil, an overbased detergent having a TBN greater than 225 mg KOH/g and a low-based/neutral detergent having a TBN up to 175 mg KOH/g. A total amount of calcium from the overbased and low-based/neutral detergent is greater than 1100 ppm to less than 2400 ppm by weight based on a total weight of the lubricating oil composition. The lubricating oil composition and method may be effective to reduce low-speed pre-ignition events in a boosted internal combustion engine lubricated with the lubricating oil composition relative to commercially available lubricating oil compositions. 1. A lubricating oil composition comprising: at least 0.3 wt. % of an overbased detergent having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896, and', 'at least 0.2 wt. % of a low-based/neutral detergent having a total base number of up to 175 mg KOH/g, measured by the method of ASTM D-2896, wherein a total amount of calcium from the overbased and low-based/neutral detergent ranges from greater than 1100 ppm by weight to less than 2400 ppm by weight based on a total weight of the lubricating oil composition., 'greater than 50 wt. % of a base oil of lubricating viscosity;'}2. The lubricating oil composition of claim 1 , wherein the overbased detergent comprises an overbased calcium-containing detergent.3. The lubricating oil composition of claim 2 , wherein the overbased calcium-containing detergent comprises a compound selected from an overbased calcium sulfonate detergent claim 2 , and an overbased calcium phenate detergent.4. The lubricating oil composition of claim 1 , wherein the reduction of LSPI events is a 75% or greater reduction and the LSPI events are LSPI counts during 25 claim 1 ,000 engine cycles claim 1 , wherein the engine is operated at 2000 revolutions per minute with brake ...

Lubricants with Magnesium and Their Use for Improving Low Speed Pre-Ignition

A lubricating oil composition and method of operating a boosted internal combustion engine. The lubricating oil composition includes greater than 50 wt. % of a base oil, one or more overbased calcium-containing detergents having a TBN greater than 225 mg KOH/g and one or more magnesium-containing detergents. A total amount of calcium from the one or more overbased calcium-containing detergents is from 900 ppm to less than 2400 ppm by weight, and a total amount of magnesium from the one or more magnesium-containing detergents is from 50 ppm to 500 ppm by weight, both based on a total weight of the lubricating oil composition. The lubricating oil composition and the method of using it are effective to reduce low speed pre-ignition events in a boosted internal combustion engine lubricated with the lubricating oil composition. 1. A lubricating oil composition comprising: one or more calcium-containing overbased detergents having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896, and', 'one or more magnesium-containing detergents, and, 'greater than 50 wt. % of a base oil of lubricating viscosity;'}wherein the lubricating oil composition includes an amount of the overbased calcium-containing detergent that provides 900 ppm by weight to less than 2400 ppm by weight of calcium to the lubricating oil composition, and an amount of the magnesium-containing detergent that provides 50 ppm by weight to 1000 ppm by weight of magnesium to the lubricating oil composition, both amounts being based on a total weight of the lubricating oil composition based on a total weight of the lubricating oil composition; andthe lubricating oil composition passes the TEOST-33 test.2. The lubricating oil composition of claim 1 , wherein the one or more overbased calcium-containing detergents comprise a compound selected from an overbased calcium sulfonate detergent claim 1 , an overbased calcium phenate detergent claim 1 , an overbased calcium salicylate ...

LUBRICANTS WITH TITANIUM AND/OR TUNGSTEN AND THEIR USE FOR IMPROVING LOW SPEED PRE-IGNITION

A lubricating oil composition and method of operating a boosted internal combustion engine. The lubricating oil composition includes a major amount of a base oil, one or more overbased calcium-containing detergents having a total base number of greater than 225 mg KOH/gram, to provide greater than 900 ppm by weight to less than 2400 ppm by weight of calcium to the lubricating oil composition, and a low speed pre-ignition reducing amount of one or more titanium-containing compounds to provide from 10 ppm to 3000 ppm titanium and/or one or more tungsten-containing compounds to provide from 125 ppm to 3000 ppm tungsten, all based on the total weight of the lubricating composition. The low speed pre-ignition events in the boosted internal combustion engine may be reduced relative to a number of low speed pre-ignition events in the same engine lubricated with the same lubricating oil without the titanium- and/or tungsten-containing additive. 1. A lubricating oil composition comprising: an amount of one or more overbased calcium-containing detergents having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896 sufficient to provide greater than 900 ppm by weight to less than 2400 ppm by weight of calcium to the lubricating oil composition, based on a total weight of the lubricating oil composition, and', 'a low speed pre-ignition reducing additive composition comprising an amount of one or more titanium-containing compounds sufficient to provide from 10 ppm to 3000 ppm by weight of titanium to the lubricating oil composition and/or an amount of one or more tungsten-containing compounds sufficient to provide from 125 to 3000 ppm of tungsten to the lubricating oil composition, both based on the total weight of the lubricating oil composition, and', 'wherein said additive composition is effective to reduce low speed pre-ignition events in a boosted internal combustion engine lubricated with the lubricating oil composition relative to a ...

Lubricants with Molybdenum and Their Use for Improving Low Speed Pre-Ignition

A lubricating oil composition and method of operating a boosted internal combustion engine. The lubricating oil composition has not more than 150 ppm sodium and includes a major amount of a base oil and an additive composition that includes one or more overbased calcium-containing detergents having a total base number of greater than 225 mg KOH/gram, in an amount sufficient to provide greater than 1100 ppm by weight to less than 2400 ppm by weight of calcium to the lubricating oil composition, and one or more molybdenum-containing compounds in an amount sufficient to provide at least about 80 ppm by weight molybdenum to the lubricating oil composition, all based on the total weight of the lubricating composition. The oil and method may reduce low-speed pre-ignition events in the boosted internal combustion engine relative to a number of low-speed pre-ignition events in the same engine lubricated with a reference lubricating oil. 1. A lubricating oil composition comprising: one or more overbased calcium-containing detergents having a total base number of greater than 225 mg KOH/gram, in an amount sufficient to provide greater than 1100 ppm by weight to less than 2400 ppm by weight of calcium to the lubricating oil composition, based on a total weight of the lubricating oil composition, and', 'one or more molybdenum-containing compounds in an amount sufficient to provide at least about 80 ppm by weight molybdenum to the lubricating oil composition based on the total weight of the lubricating composition, and wherein the lubricating oil composition contains not more than 150 ppm of sodium, based on the total weight of the lubricating oil composition., 'greater than 50 wt. % of a base oil of lubricating viscosity,'}2. The lubricating oil composition of claim 1 , wherein the one or more overbased calcium-containing detergents comprise a compound selected from an overbased calcium sulfonate detergent claim 1 , an overbased calcium phenate detergent claim 1 , and an ...

LUBRICANTS WITH ZINC DIALKYL DITHIOPHOSPHATE AND THEIR USE IN BOOSTED INTERNAL COMBUSTION ENGINES

A lubricating oil composition and method of for providing an acceptable number of low-speed pre-ignition events in a boosted internal combustion engine using the lubricating oil composition. The lubricating oil composition includes greater than 50 wt. % of a base oil of lubricating viscosity, and an additive composition that includes an overbased calcium-containing detergent having a TBN greater than 225 mg KOH/g, and one or more zinc dialkyl dithiophosphate compounds are derived from a molar ratio of secondary alcohol to primary alcohol of 20:100 to about 100:0 and have an average total carbon content of greater than 10 carbon atoms per mole of phosphorous. The lubricating oil compositions contains the overbased calcium-containing detergent in an amount to provide greater than 900 ppm to less than 2400 ppm by weight calcium, and at least 0.01 wt. % of the zinc dialkyl dithiophosphate, both amounts based on the total weight of the lubricating oil composition. 1. A lubricating oil composition comprising:greater than 50 wt. % of a base oil of lubricating viscosity; and one or more overbased calcium-containing detergents having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896, and', 'one or more zinc dialkyl dithiophosphate compounds, wherein the one or more zinc dialkyl dithiophosphate compounds are derived from a molar ratio of secondary alcohol to primary alcohol of from about 20:100 to about 100:0, and have an average total carbon content of greater than 10 carbon atoms per mole of phosphorus, and, 'an additive composition comprisingthe lubricating oil composition includes an amount of the overbased calcium-containing detergent that provides greater than 900 ppm by weight to less than 2400 ppm by weight of calcium to the lubricating oil composition, and at least 0.01 wt. % of the zinc dialkyl dithiophosphate, both amounts being based on a total weight of the lubricating oil composition.2. The lubricating oil composition of ...

Lubricating composition for a marine engine

The present invention relates to a lubricant composition for a marine engine, in particular for a four-stroke or two-stroke marine engine, comprising at least one base oil, at least one alkoxylated fatty amine, at least one hydrogenated styrene-isoprene copolymer and at least one detergent.

Synergistic Lubricating Oil Composition Containing Mixture of Antioxidants

Disclosed is a lubricating oil composition comprising an oil of lubricating viscosity and an oil soluble synergistic mixture of antioxidants, said mixture comprising: a) a hindered amine antioxidant according to formula (I) wherein each R 1 is independently selected from a substituted or unsubstituted, branched or linear, C 1 -C 20 hydrocarbyl group; R 2 is selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C 1 -C 20 hydrocarbyl group; each R 3 is independently selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C 1 -C 20 hydrocarbyl group; each R 4 is independently selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C 1 -C 20 hydrocarbyl group; n is an integer from 1 to 4; and m is an integer from 1 to 5; and b) a molybdenum succinimide complex.

Composition and method for preventing or reducing low speed pre-ignition in spark-ignited internal combustion engines

R1, R2, R3, and R4 are each independently selected from hydrogen, aromatic ring, and a C1-C20 alkyl group and R5 is hydrogen or an alcohol having the structure —(CH)R6—OH. R6 is hydrogen, a C1-C10 alkyl group, or a C1-C10 alkenyl group, or a salt thereof.

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.

Lubricating oil composition for internal combustion engine

Provided is a lubricating oil composition for internal combustion engine, which further reduces the friction to exhibit excellent fuel efficiency performance. A lubricating oil composition for internal combustion engine, which contains (A) a lubricant base oil having a dynamic viscosity of 2.0 to mm 2 /s at 100° C., (B) a molybdenum-based friction modifier in an amount of 0.005 to 0.2% by mass, in terms of a molybdenum content, based on the mass of the composition, (C) a salicylate-based metal detergent in an amount of 0.01 to 1% by mass, in terms of a metal content, based on the mass of the composition, and (D) at least one compound selected from amino acids having an alkyl group, alkenyl group, or acyl group having 15 to 24 carbon atoms and/or derivatives thereof in an amount of 0.01 to 10% by mass.

Estolide Compositions Exhibiting Superior High-Performance Properties

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

Lubricant composition promoting sustained fuel economy

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

Lubricant for preventing and removing carbon deposits in internal combustion engines

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

LUBRICATING COMPOSITION FOR PREVENTING OR REDUCING PRE-IGNITION IN AN ENGINE

The present invention relates to a lubricating composition for an engine, in particular for a motor vehicle engine, comprising at least one base oil and at least one compound able to release formaldehyde under the temperature and pressure conditions of the combustion chamber of the engine. 112.-. (canceled)13. A lubricating composition for an engine , comprising:at least one base oil; andat least one formaldehyde-releasing compound configured to release formaldehyde under temperature and pressure conditions that occur in a combustion chamber of the engine, during operation of the engine,wherein the lubricating composition comprises from 0.2% to 5% by mass of the at least one formaldehyde-releasing compound, relative to the total mass of the lubricating composition.14. The lubricating composition according to claim 13 , wherein the at least one formaldehyde-releasing compound is chosen from: N-methylol compounds; 1 claim 13 ,3 claim 13 ,5 claim 13 ,5-tetramethylimidazolidine-2 claim 13 ,4-dione; guanidine acetate; formaldehyde sodium bisulfite; methenamine; polymerized forms of formaldehyde and trioxanes; or mixtures thereof.15. The lubricating composition according to claim 13 , wherein the at least one formaldehyde-releasing compound is a trioxane.16. The lubricating composition according to claim 13 , wherein the at least one formaldehyde-releasing compound is present in an amount ranging from 0.5% to 2% by mass claim 13 , relative to the total mass of the lubricating composition.17. The lubricating composition according to claim 13 , wherein the at least one base oil is chosen from oils of Group III of the API classification claim 13 , oils of Group IV of the API classification claim 13 , or mixtures thereof.18. The lubricating composition according to claim 13 , further comprising an additional additive chosen from antioxidants claim 13 , detergents claim 13 , viscosity index improvers claim 13 , friction modifiers claim 13 , antiwear additives claim 13 , ...

Method Of Lubricating An Internal Combustion Engine

The invention provides a method of lubricating a compression-ignition internal combustion engine with a maximum laden mass over 2,700 kg comprising supplying to the engine a lubricating composition comprising: an oil of lubricating viscosity, a 300 TBN or higher alkaline earth metal sulphonate detergent having a metal ratio of 10 to 40, 0.1 wt % to 4 wt % of a borated polyisobutylene succinimide dispersant, wherein the polyisobutylene from which the borated polyisobutylene succinimide is derived has a number average molecular weight of 550 to 1150, and 0.1 wt % to 6 wt % of a polyisobutylene succinimide, wherein the polyisobutylene from which polyisobutylene succinimide is derived has a number average molecular weight of 1550 to 2500, 0 wt % to 0.2 wt % of a phenolic based detergent, wherein the total amount of soap delivered by the alkaline earth metal sulphonates (typically calcium sulphonate) is 0.4 to 1 wt % of the lubricating composition, and wherein the lubricating composition has a sulphated ash content of not more than 1.5 wt %.

Polymeric Surfactants for Improved Emulsion and Flow Properties at Low Temperatures

A polymer surfactant for improving engine oil emulsion properties of a lubricating composition mixed with water and/or fuel contamination, particularly at very cold temperatures, is described herein. In approaches, selected polymeric and functionalized compounds can impart both robust emulsion properties and simultaneously deliver good low temperature fluidity for lubricating compositions that may contain residual amounts of water and/or fuel contamination. Lubricating compositions including such surfactants demonstrate robust properties at temperatures down to about −30° C.

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

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

METHOD FOR PRODUCING WAX ISOMERIZED OIL

A method for producing a wax isomerized oil, comprising a step of providing an ethylene polymer wax, a step of hydrocracking the ethylene polymer wax by a hydrocracking catalyst to obtain a cracked product, and a step of isomerization dewaxing the cracked product by a hydroisomerization catalyst to obtain a wax isomerized oil. 1a step of providing an ethylene polymer wax,a step of hydrocracking the ethylene polymer wax by a hydrocracking catalyst to obtain a cracked product, anda step of isomerization dewaxing the cracked product by a hydroisomerization catalyst to obtain a wax isomerized oil.. A method for producing a wax isomerized oil, comprising The present invention relates to a method for producing a wax isomerized oil.Conventionally, there has been wax isomerized oil in addition to mineral base oil, as lubricating base oil. As the examples of wax for a raw material of wax isomerized oil, natural wax such as petroleum slack wax obtained by solvent dewaxing of hydrocarbon oil, or synthetic wax such as one produced by Fischer Tropsch synthesis by use of synthetic gas (FT wax), are included. There is known, as a method for producing a high-quality lubricating base oil, for example, a method involving performing hydrotreatment and dewaxing treatment of a raw material oil derived from the above-described wax or the like (see, for example, Patent Literature 1).[Patent Literature 1] Japanese Unexamined Patent Publication No. 2007-510798While a lubricating base oil prepared using conventional raw material wax or the like can satisfy requirements such as an improvement in fuel economy and a reduction in amount of discharge to some extent, as described above, it has been found by studies of the present inventor that even the lubricating base oil still has room for improvement in terms of a reduction in traction coefficient.An object of the present invention is then to provide a method for producing a wax isomerized oil having low in traction coefficient.The present ...

Lubricants with Good TBN Retention

A lubricant composition containing a metal-containing detergent in an amount to provide at least about 2 TBN to the lubricant, and a dispersant comprising an oleophilic portion comprising at least about 40 carbon atoms and an acid-bearing portion, characterized in having a TAN:TBN ratio of at least about 0.8, exhibits good TBN retention.

Method for Reducing Piston Deposits in a Marine Diesel Engine

A method of reducing the incidence of deposits on the pistons of a 4-stroke marine diesel engine during operation of the engine when it is fuelled with a marine residual fuel meeting the ISO 8217 2017 fuel standard for marine residual fuels and having a sulphur content of more than 0.1% and less than 0.5% by mass. The method includes the step of lubricating the engine using a lubricating oil composition comprising: a) at least 50% by mass, based on the mass of the composition, of an oil of lubricating viscosity; (b) 5 to 25% by mass, based on the mass of the composition, of an oil-soluble or oil-dispersible alkali metal or alkaline earth metal salicylate detergent, or a mixture of two or more oil-soluble or oil-dispersible alkali metal or alkaline earth metal salicylate detergents; (c) 0.1 to 10% by mass, based on the mass of the composition of one or more oil-soluble or oil-dispersible ashless dispersants; and optionally, (d) 0.1 to 10% by mass, based on the mass of the composition of a polyalkylene-substituted succinic anhydride.

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

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

Viscosity index improver, lubricant oil additive, and lubricant oil composition

A viscosity index improver of the present invention contains a star polymer obtained by a reaction of divinylbenzene with alkyl methacrylate containing stearyl methacrylate, the star polymer having a core part and an arm part, wherein the core part is derived from the divinylbenzene and the arm part is a polymer chain of the alkyl methacrylate. A lubricant oil additive and a lubricant oil composition of the present invention contain the above viscosity index improver.

Utilization of transgenic high oleic soybean oil in industrial applications

Oil compositions derived from transgenic soybeans having a high concentration of oleic acid are described for use in various applications including use to enhance the low temperature pour characteristics of engine fluids. Such oil compositions are useful as lubricants, rail curve grease and engine penetrants.

Stabilized blends containing friction modifiers

The present invention relates to functional fluid compositions containing friction modifiers, and specifically stable compositions containing friction modifiers with limited solubility in and/or limited compatibility with the functional fluids with which they are used. In particular the present invention deals with functional fluids used in internal combustion engines, such as engine oils, and friction modifiers that contain one or more amide functional groups, where the friction modifier is present in the functional fluid composition at levels that would otherwise cause the composition to be unstable and/or hazy.

Polymers as additives for fuels

A method for minimizing power loss, reducing a fuel consumption and/or for reducing and/or avoiding deposits in a fuel system in the direct injection diesel engines. The method contains adding a copolymer to a fuel composition, wherein the copolymer contains, in a copolymerized form: (A) an ethylenically unsaturated mono- or dicarboxylic acid or a derivative thereof, (B) an α-olefin having from 12 to 30 carbon atoms, (C) optionally an additional aliphatic or cycloaliphatic olefin which has at least 4 carbon atoms and is different from monomer (B) and (D) optionally an additional copolymerizable monomers other than monomers (A), (B) and (C), anhydride or carboxylic acid functionalities present in the copolymer are partly reacted with at least one compound (E) comprising an alcohol group and/or an amino group, and the anhydride functionalities present in the copolymer are hydrolysed and/or carboxylic ester functionalities present in the copolymer are partly hydrolyzed.

Ashless engine lubricants for high temperature applications

An ashless lubricating oil having a lubricating oil base stock as a major component, and a mixture of (i) at least one ashless antiwear additive, (ii) at least one ashless detergent, and (iii) at least one aminic antioxidant, as minor components. The lubricating oil base stock is a branched polyol ester. The lubricating oil base stock is present in an amount from about 30 to about 99.8 mass percent, based on the total mass of the ashless lubricating oil. A method for improving oxidative stability and high temperature stability of a lubricating oil in an engine or other mechanical component lubricated with the lubricating oil by using the ashless lubricating oil. The ashless lubricating oil is useful as a passenger vehicle engine oil (PVEO).

Lubricating oil composition for engine made of aluminum alloy and lubrication method

The invention provides a lubricating oil composition for an engine made of aluminum alloy containing a base oil, a succinimide compound, and a thioheterocyclic compound represented by the following formula (I) and has a sulfur content of 0.10 mass % to 1.00 mass % based on the total amount of the composition, and a phosphorus content and a sulfated ash content, based on the total amount of the composition, falling within specific ranges, and a lubrication method employing the composition. The composition exhibits excellent wear resistance to aluminum alloy sliding parts of engines and can considerably reduce the high-phosphorus ZnDTP content and the metallic detergent content, while excellent wear resistance to aluminum alloy is maintained. The thioheterocyclic compound is represented by the formula: (R 1 ) k —(S) m -A S -(S) n —(R 2 ) l   (I) (wherein As represents a thioheterocycle; each of R 1 and R 2 independently represents a hydrogen atom, an amino group, a C1 to C50 hydrocarbyl group selected from among an alkyl group, a cycloalkyl group, an alkenyl group, a cycloalkenyl group, and an aryl group, or, in the case of a hydrocarbyl group, a C1 to C50 heteroatom-containing group having an atom selected from among an oxygen atom, a nitrogen atom, and a sulfur atom, in the hydrocarbyl group; and each of k, l, m, and n is an integer of 0 to 5).

Method of lubricating an internal combustion engine

The invention provides a method of lubricating an internal combustion engine equipped with a centrifugal oil mist separator, wherein the lubricant contains 0.1 wt % to 8 wt % soot resulting from operation of the engine, and wherein the lubricant composition comprises an oil of lubricating viscosity, and 0.2 wt % to 3 wt % of a soot dispersing additive, wherein the soot dispersing additive comprises a polymer chain having a number average molecular weight of 500 to 20,000, and wherein the soot dispersing additive has a shear stability index of 0 to 20.

Lubricating oils

A lubricating composition comprises an amide and at least one additive. The amide is the reaction product of a secondary, branched amine and a carboxylic acid. The carboxylic acid may be a monocarboxylic acid or a dicarboxylic acid, including dimer acid. The amide is hydrolytically stable, and may be used to increase the hydrolytic stability of the lubricant composition. Alternatively, the amide may be used to increase the additive solubility or detergency of the lubricant composition.

Low Ash Lubricant and Fuel Additive Comprising Alkoxylated Amine

A lubricating oil detergent composition comprises an overbased calcium sulfonate and a low ash detergent, which low ash detergent is metal free and comprises the reaction product of an acidic organic compound such as an alkylated salicylic acid, a boron compound and an amine component.

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.

Marine engine lubrication

A trunk piston lubricating oil composition of TBN 20 to 60 comprising (A) a high saturates low sulphur oil of lubricating viscosity in a major amount; (B) an overbased metal hydroxybenzoate detergent additive; (C) a polyisobutene succinic anhydride additive (1-7 mass %); and (D) a meta-linear pentadecyl phenol additive (10.1 to 10 mass %), the weight ratio of (D) to (C) being less than 1 and the combined treat rate of (B), (C) and (D) being 5 to 30%. The composition is useful to improve asphaltene dispersancy when lubricating a medium-speed compression-ignited marine engine fueled by a heavy fuel oil.

Lubricant Composition Containing an Antiwear Agent

The invention provides a lubricant composition comprising an oil of lubricating viscosity and a protic acid salt of an N-hydrocarbyl-substituted gamma-(γ-) or delta-amino(thio)ester. The invention further relates to a method of lubricating a mechanical device with the lubricant composition.

Lubricating oil compositions containing sterically hindered amines as ashless tbn sources

Hindered amines useful as ashless TBN sources for lubricating oil compositions that are compatible with fluoroelastomeric engine seal materials, and lubricating oil compositions containing such compounds.

LUBRICANT COMPOSITION

A lubricant composition for a compression-ignition internal combustion engine includes an amine and a detergent selected from metal sulfonates, phenates, salicylates, carboxylates, thiophosphonates, and combinations thereof. The lubricant composition has a TBN of from about 10 to about 100 mg KOH/g when tested according to ASTM D2896. The amine contributes from about 0.1 to about 28% of the TBN of the lubricant composition. Further, a method of lubricating an internal combustion engine with the lubricant composition includes the steps of injecting a fuel and the lubricant composition into a cylinder to form a mixture, and combusting the mixture via compression-ignition. 2. The lubricant composition as set forth in claim 1 , comprising the amine of group (I) claim 1 , wherein R claim 1 , R claim 1 , R claim 1 , R claim 1 , and Rare hydrogen and R claim 1 , R claim 1 , Rand Rare independently a Calkyl; and wherein Ris a Calkyl.3. The lubricant composition as set forth in claim 2 , wherein R claim 2 , R claim 2 , R claim 2 , R claim 2 , and Rare hydrogen; R claim 2 , R claim 2 , Rand Rare a methyl; and Ris a Calkyl.5. The lubricant composition as set forth in claim 1 , comprising the amine of group (II) claim 1 , wherein Rand Rare independently selected from a Calkyl.6. The lubricant composition as set forth in claim 5 , wherein Rand Rare both a branched Calkyl.8. The lubricant composition as set forth in claim 1 , comprising the amine of group (III) claim 1 , wherein Rand Rare independently selected from a Calkyl claim 1 , and wherein m and y are independently an integer of 1-3.9. The lubricant composition as set forth in claim 8 , wherein Rand Rare both a methyl claim 8 , and wherein m and y are both 1.11. The lubricant composition as set forth in claim 10 , wherein n ranges from 2 to 6.5 and the amine has a molecular weight ranging from 200 to 450.12. The lubricant composition as set forth in claim 1 , comprising the amine of group (IV) claim 1 , wherein R claim 1 , ...

Lubricant composition

Disclosed herein is a process for lubricating an internal combustion engine with a lubricant composition that may be substantially ash free. The ashless lubricant composition described herein may comprise primary antioxidants, such as aminic diphenyl amines, alkylated phenyl-naphthyl amines, and phenolic antioxidants. The ashless lubricant composition described herein may also comprise sulfur containing products that may work as secondary antioxidants. Other components such as ashless antiwear components, dispersants, pour point depressants, friction modifiers, and metal deactivators may also be used to formulate an ashless lubricant composition according to an embodiment.

Estolide compositions exhibiting superior high-performance properties

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

LUBRICANT COMPOSITION CONTAINING ASHLESS TBN MOLECULES

New ashless TBN molecules are synthesized, and lubricant compositions containing them, boost the total base number. The lubricant compositions further tested for ASTM D6594 copper corrosion test meets ASTM limits.

LUBRICANT COMPOSITION CONTAINING ASHLESS TBN MOLECULES

New ashless TBN molecules are synthesized, and lubricant compositions containing them, boost the total base number. The lubricant compositions further tested for ASTM D6594 copper corrosion test meets ASTM limits.

Lubricant Compositions For Direct Injection Engines

The invention is directed to a method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine by supplying to the sump a lubricant composition which contains an oil of lubricating viscosity and a metal overbased detergent. The metal overbased detergent may be selected from sulfonate detergents, phenate detergents, and salicylate detergents, especially sulfonate detergents with a metal ratio of at least 5.

Lubricating composition containing a salt of a carboxylic acid

The invention provides a lubricating composition containing an oil of lubricating viscosity and an amine or ammonia salt of a carboxylic acid compound where said carboxylic acid is characterized in that it is functionalized with a hydroxy-substituted aromatic moiety. 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 salt of the carboxylic acid compound as an antiwear agent or an antioxidant.

Lubricant compositions

A lubricant composition said composition comprising at least one base oil and from 1 to 70 wt % of at least one friction modifying additive, wherein the composition is such that the viscosity reversibly reduces at a pressure from 50 MPa to 3 GPa. A mechanical system comprising the lubricant composition; use of the lubricant composition and methods of reducing friction using the lubricant composition are also disclosed.

Method Of Lubricating An Internal Combustion Engine

The disclosed technology provides a method of lubricating a compression-ignition internal combustion engine with a maximum laden mass over 2,700 kg comprising supplying to the engine a lubricating composition comprising: an oil of lubricating viscosity, a 300 TBN or higher alkaline earth metal sulfonate detergent having a metal ratio of 10 to 40, an alkaline earth metal sulfonate detergent having a metal ratio of 3 to 9, and a TBN of 81 to 180 mg KOH/g, wherein the sulfonate detergents provide a total amount of sulfonate substrate of 1 wt % to 3 wt % of the lubricating composition, 0.1 to 1.2 wt % of antioxidant, wherein at least 20 wt % of the antioxidant is a phenolic antioxidant, a borated compound present in an amount to deliver 25 ppm to 300 ppm of boron, the lubricating composition has a sulfated ash content of 0.5 wt % to not more than 1.5 wt %, and the lubricating composition has a TBN of 6.5 to 15 mg KOH/g. 2. The method of claim 1 , wherein the lubricating composition is characterized as having (i) a sulfur content of 0.5 wt % or less claim 1 , and (ii) a phosphorus content of 0.15 wt % or less.3. The method of claim 1 , wherein the oil of lubricating viscosity comprises a base oil selected from one or more of an API Group I claim 1 , II claim 1 , III claim 1 , IV claim 1 , V claim 1 , or mixtures thereof.4. The method of claim 1 , wherein the antioxidant comprises an aminic antioxidant.5. The method of claim 4 , wherein the antioxidant comprises at most 60 wt % of the aminic antioxidant.6. The method of claim 1 , wherein the antioxidant comprises a sulfurized olefin antioxidant.7. The method of claim 6 , wherein the antioxidant comprises at most 60 wt % of the sulfurized olefin antioxidant.8. The method of claim 1 , wherein the antioxidant comprises a phenolic or an aminic antioxidant or mixtures thereof claim 1 , and wherein the antioxidant is present at 0.1 wt % to 3 wt 0.9. The method of claim 1 , wherein the lubricating composition has a total base ...

High molecular weight amide/ester containing quaternary ammonium salts

The present technology is related to amide or ester containing quaternary ammonium salts having a hydrocarbyl substituent of number average molecular weight of 1300 to 3000, and the use of such quaternary ammonium salts in fuel compositions to improve the water shedding performance of the fuel composition.

Branched amine containing quaternary ammonium salts

The present technology is related to branched amine containing quaternary ammonium salts, and the use of such quaternary ammonium salts in fuel and oil compositions.

Friction modifiers for use in lubricating oil compositions

A lubricating oil comprising a major amount of base oil and a minor amount of an additive package comprising a friction modifier component selected from: (A) one or more friction modifiers of the formulae I and II: (B) two or more friction modifiers independently selected from the formulae III and IV: and (C) at least one friction modifier of the formulae III and IV in combination with at least one friction modifier of the formulae I and II, and R, R 1 , R 2 , R 3 , X and n are as defined in the specification.

Lubricant composition

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

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

This disclosure relates to ester compounds derived from neo-acids, lubricating oil base stocks comprising such ester compounds, lubricating oil compositions comprising such ester compounds, and method for making such compounds and/or base stocks. The lubricating oil base stocks comprising the ester compounds exhibit desirable lubricating properties such as polarity and oxidation stability.

DURABLE LUBRICATING FLUIDS FOR ELECTRIC VEHICLES

The present disclosure relates to a durable lubricating fluid for an electric motor or hybrid-electric motor. The disclosed technology relates to a durable lubricating fluid comprising an oil of lubricating viscosity, a thiadiazole or derivative thereof, and an amine salt of a phosphoric acid. 1. A durable lubricating composition for electric or hybrid-electric vehicles , the lubricating composition comprising:a base oil of lubricating viscosity;at least about 0.7 weight percent of a thiadiazole or derivative thereof;an amine salt of a phosphoric acid ester providing at least about 100 ppm of phosphorus to the durable lubricating composition;a sulfur plus phosphorus to nitrogen ((S+P)/N) weight ratio of at least 2.3;the lubricating composition having at least about 150 ppm of phosphorus and at least about 2000 ppm of sulfur; anda conductivity durability of about 50,000 pS/m or less.2. The durable lubricating composition for electric or hybrid-electric vehicles of claim 1 , wherein the thiadiazole is selected from a mono hydrocarbyl thiol-substituted thiadiazole claim 1 , a bishydrocarbyl thiol-substituted thiadiazole claim 1 , or combinations thereof.3. The durable lubricating composition for electric or hybrid-electric vehicles of claim 1 , wherein the thiadiazole is 1 claim 1 ,3 claim 1 ,4-thiadiazole or derivative thereof.4. The durable lubricating composition for electric or hybrid-electric vehicles of claim 1 , wherein the thiadiazole provides at least about 2000 ppm sulfur to the durable lubricating composition.5. The durable lubricating composition for electric or hybrid-electric vehicles of claim 4 , wherein the durable lubricating composition includes up to about 3500 ppm total sulfur and up to about 300 ppm total phosphorus.6. The durable lubricating composition for electric or hybrid-electric vehicles of claim 1 , wherein the lubricating composition includes about 1 weight percent or less of the thiadiazole or derivative thereof.8. The durable lubricating ...

Composite lubricating material, engine oil, grease, and lubricant

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

Lubricant composition for internal combustion engine oil

The present invention provides a lubricating oil composition for internal combustion engines which includes a boronated imide-based dispersant, or the boronated imide-based dispersant and a non-boronated imide-based dispersant, in which a boron content (B % by mass) derived from the boronated imide-based dispersant and a nitrogen content (N % by mass) derived from the boronated imide-based dispersant or derived from the boronated imide-based dispersant and the non-boronated imide-based dispersant satisfy the following formula (I): N≧B+0.05 (I); and a phosphorus content (P % by mass) and a content of a metal component (M % by mass) derived from a metallic detergent on the basis of a total amount of the composition satisfy any of the following requirements A to C: A: P<0.03 and M<0.05; B: P<0.03 and 0.05≦M≦0.12; and C: 0.03≦P≦0.06 and M<0.05. The lubricating oil composition for internal combustion engines can be considerably reduced in content of ZnDTP having a large phosphorus content or a metallic detergent while maintaining a good wear resistance for aluminum materials.

Lubricating oil composition

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

Non-newtonian engine oil with superior engine wear protection and fuel economy

Provided is a non-Newtonian engine oil lubricant composition with improved fuel efficiency and engine wear protection. The lubricant composition includes a major amount of a base oil including a Group II base stock and an optional Group V base stock, from 0.1 to 9.0 wt. % of at least one viscosity modifier and from 0.1 to 1.2 wt. % of at least one friction modifier. The non-Newtonian engine oil lubricant composition has a kinematic viscosity at 100 deg. C. of less than or equal to 10 cSt and an HTHS (ASTM D4683) of less than or equal to 2.2 cP at 150° C. Also provided are methods of using the lubricant composition in internal combustion engines and methods of making the lubricant composition.

Oil agent additive and oil agent composition

The present invention provides: an oil agent additive that is easily soluble in an oil agent and is outstandingly effective in reducing the friction coefficient; and an oil agent composition that contains the oil agent additive. This oil agent additive contains at least one compound represented by a Chemical Formula (1). (In the formula: R 1 and R 2 are each an aliphatic hydrocarbon group with a carbon number of 1-33; the total carbon number of R 1 and R 2 is 2-34; X is a single bond or an aliphatic hydrocarbon group with a carbon number of 1-5; and A is —O—CH 2 —CH(OH)—CH 2 OH or —O—CH(—CH 2 —OH) 2 .)

Lubricating oil composition

Disclosed is a lubricating oil composition. The lubricating oil composition contains a lubricating base oil including mineral base oil, 4 to 15 mass % of an ester compound of a monovalent or polyvalent aliphatic carboxylic acid and a monovalent or polyvalent aliphatic alcohol, 400 to 1200 mass ppm of zinc dialkyl dithiophosphate in terms of a phosphorus element, 500 to 3000 mass ppm of a calcium-based detergent in terms of a calcium element, and 50 to 1000 mass ppm of a boron-modified succinimide-based dispersant in terms of a boron element, on the basis of the total amount of the lubricating oil composition.

Imidazole containing quaternary ammonium salts

The present technology is related to imidazole containing quaternary ammonium salts and the use of such quaternary ammonium salts in compositions to improve the water shedding performance of the compositions.

Composition for Cooling and Lubricating a Propulsion System of an Electric or Hybrid Vehicle

The present invention relates to the use, for cooling and lubricating a propulsion system of an electric or hybrid vehicle, of a composition comprising: (i) at least one base oil; and (ii) at least one diester of formula R—C(O)—O—([C((R))]—O)—C(O)—R(I), different than the base oil (i). 1. The use , for cooling and lubricating a propulsion system of an electric or hybrid vehicle , of a composition comprising at least:(i) at least one base oil; and {'br': None, 'sup': a', 'b, 'sub': 2', 'n', 's, 'R—C(O)—O—([C(R)]—O)—C(O)—R\u2003\u2003(I)'}, '(ii) at least one diester of formula (I), different than the base oil (i) [{'sub': 1', '5, 'R represent, independently of one another, a hydrogen atom or a (C-C)alkyl group, linear or branched, in particular a methyl, ethyl or propyl group, notably methyl;'}, 's has a value of 1 or 2;', 'n has a value of 1, 2 or 3; it being understood that, when s is different from 1, n may be identical or different; and', {'sup': a', 'b, 'Rand R, which may be identical or different, represent independently of one another, hydrocarbon groups, saturated or unsaturated, linear or branched, having a linear chain with 2 to 11 carbon atoms, preferably with 3 to 8 carbon atoms;'}], 'in which{'sub': 1', '5, 'provided that, when s has a value of 2 and n, which are identical, have a value of 2, at least one of the groups R represents a (C-C)alkyl group, linear or branched; and'}provided that, when s has a value of 1 and n has a value of 3, at least one of the groups R bound to the carbon in the beta position of the oxygen atoms of the ester functions represents a hydrogen atom.2. The use as claimed in the preceding claim , characterized in that the base oil has a kinematic viscosity , measured at 100° C. according to standard ASTM D445 , from 1.5 to 8 mm/s , in particular from 1.5 to 6.1 mm/s , more particularly from 1.5 to 4.1 mm/s , even more particularly from 1.5 to 2.1 mm/s.3. The use as claimed in or , in which the base oil is selected from synthetic ...

Low transition temperature mixtures or deep eutectic solvents and processes for preparation thereof

A low transition temperature mixture (LTTM) or deep eutectic solvent (DES) useful as a lubricating oil base stock and lubricating oil including a eutectic mixture of at least a first component and at least a second component. The at least first component comprises a hydrogen bond acceptor and the at least second component comprises a hydrogen bond donor. The eutectic mixture includes an equilibrium phase between the at least first component and the at least second component. The equilibrium phase does not exhibit physical characteristics of the at least first component in an unmixed state and the at least second component in an unmixed state. The at least first component and the at least second component form an intermolecular interaction between each other sufficient to prevent crystallization of the at least first component and the at least second component in the eutectic mixture. The eutectic mixture is a liquid at 20° C.

Lubricating Composition Containing a Dispersant

The invention provides a lubricating composition containing a lubricating composition comprising an oil of lubricating viscosity and a polyester. The invention further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The invention further relates to the use of the polyester as a dispersant.

Branched diesters for use as a base stock and in lubricant applications

This application relates to branched diester compositions that can be used as a base stock for lubricant applications, or as a base stock blend component for use in a finished lubricant or for particular applications, and methods for making the same.

Amino Acid Grafted Polymer with Soot Handling Properties

The present disclosure relates to lubricant additives such as dispersants and dispersant viscosity modifiers including acyl peptide grafted polymers and lubricating oil compositions comprising such additives. The disclosure also relates to the use of lubricant compositions comprising the additives herein for improving the soot or sludge handling characteristics of an engine lubricant composition and while minimizing the deterioration of engine's elastomer compatibility.

Fuel efficient lubricating oils

The present invention relates to an engine oil lubricant composition for use in internal combustion engines comprising one or more molybdenum containing compounds that deliver 1-1000 ppm molybdenum to the finished oil, one or more phosphorus containing compounds that deliver 25-650 ppm phosphorus to the finished oil, and one or more poly(meth)acrylate viscosity index improvers (VI improvers) that may or may not be functionalized, for improved fuel economy and turbocharger related deposits. In addition, the composition comprises an antioxidant system which is carefully balanced to provide improved fuel economy, comprising an aminic antioxidant, a phenolic antioxidant and an ashless dithiocarbamate. Additionally, the formulated oil may contain a dispersant poly(meth)acrylate, in addition to the PAMA VI improver, to reduce the amount of traditional succinimide dispersants.

Use of nitrogen compounds quaternised with alkylene oxide and hydrocarbyl-substituted polycarboxylic acid as additives in fuels and lubricants

The invention relates to the use of quaternized nitrogen compounds as a fuel and lubricant additive or kerosene additive, such as in particular as a detergent additive, for decreasing or preventing deposits in the injection systems of direct-injection diesel engines, in particular in common rail injection systems, for decreasing the fuel consumption of direct-injection diesel engines, in particular of diesel engines having common rail injection systems, and for minimizing the power loss in direct-injection diesel engines, in particular in diesel engines having common rail injection systems; the invention further relates to the use as an additive for petrol, in particular for operation of DISI engines.

Low viscosity ester lubricant and method for using

According to the present disclosure, there is provided a high-temperature lubricant composition. The composition has an amount of an ester. The ester exhibits a kinematic viscosity at 100° C. of 1 to 4 centistokes and a kinematic viscosity ratio at 150° C./100° C. of 0.6 or higher. The composition is at a temperature of 100° C. to 150° C. There is also another lubricating composition having the ester and a polymeric viscosity modifier. There are also methods for using the lubricating compositions in the crankcase of an engine.

Lubricating oil composition

A lubricating oil composition with a resin (A) and a base oil (B), the resin (A) is in a range of 0.01 to 50 parts by mass per 100 parts of (A) and (B), the resin (A) satisfies the following requirements: (A-1) the resin (A) is a polymer including a constituent unit from 4-methyl-1-pentene in a range of 60 to 99 mol % and a constituent unit from an α-olefin having 2 to 20 carbon atoms (excluding 4-methyl-1-pentene) in a range of 1 to 40 mol % (provided that 4-methyl-1-pentene and the α-olefin is 100 mol %); (A-2) intrinsic viscosity [η] measured in decalin at 135° C. is in a range of 0.01 to 5.0 dl/g; (A-3) a melting point (Tm) is in a range of 110 to 150° C. as determined by DSC; and the base oil (B) has (B-1) kinematic viscosity at 100° C. is in a range of 1 to 50 mm 2 /s.

Lubricating oil compositions having improved cleanliness and wear performance

A method for improving wear control, while maintaining or improving deposit control and cleanliness, in an engine or other mechanical component lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition including a lubricating oil base stock as a major component, and specific combinations of low soap detergents, dispersants, and/or mixtures thereof, as a minor component. The low soap detergents include alkaline earth metal salicylates, alkaline earth metal sulfonates, or mixtures thereof, all having the same or different total base number (TBN). The total amount of soap delivered by the low soap detergent is less than 0.60 weight percent of the lubricating oil. The dispersants include borated and/or non-borated polyisobutylene succinimide (PIMA) having a basic nitrogen content of 1% or greater. The lubricating oils are useful in internal combustion engines.

Anti-friction lubricant for coating engine pistons

The invention relates to a coating composition for the piston of an internal combustion engine. The composition comprises 10-30 wt. % of phenolic resin, 10-30 wt. % of epoxy resin, 10-30 wt. % of at least one solid lubricant selected from the group consisting of graphite, MoS 2 , WS 2 and BN, and 5-30 wt. % of Fe 2 O 3 particles.

Composition Containing Heterocyclic Compounds And A Method Of Lubricating An Internal Combustion Engine

The present invention relates to a lubricating composition containing (a) an oil of lubricating viscosity; and (b) a compound selected from the group consisting of: (i) an ester-containing heterocycle; (ii) an amide-containing heterocycle; and (iii) a pyrimidine, wherein the ester-containing heterocycle and the amide-containing heterocycle have a hydrocarbyl group containing 6 to 40 carbon atoms. The invention further provides for a method of supplying an internal combustion engine with the lubricating composition.