SU897113A3 - Смазочна композици - Google Patents

Смазочна композици Download PDF

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Publication number
SU897113A3
SU897113A3 SU782580009A SU2580009A SU897113A3 SU 897113 A3 SU897113 A3 SU 897113A3 SU 782580009 A SU782580009 A SU 782580009A SU 2580009 A SU2580009 A SU 2580009A SU 897113 A3 SU897113 A3 SU 897113A3
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USSR - Soviet Union
Prior art keywords
pentaerythritol
oil
product
lactone
mol
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SU782580009A
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English (en)
Inventor
Джэмс Бройс Стэнли
Гутиерес Антонио
Original Assignee
Эксон Рисерч Энд Инджиниринг Компани (Инофирма)
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    • C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
    • C10M135/20—Thiols; Sulfides; Polysulfides
    • C10M135/22—Thiols; Sulfides; Polysulfides containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • C10M135/26—Thiols; Sulfides; Polysulfides containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing carboxyl groups; Derivatives thereof
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    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/08—Epoxidation
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    • C08F8/00—Chemical modification by after-treatment
    • C08F8/12—Hydrolysis
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    • C08F8/14—Esterification
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    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/192—Macromolecular compounds
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    • C10L1/2462—Organic compounds containing sulfur, selenium and/or tellurium macromolecular compounds
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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Emergency Medicine (AREA)
  • Lubricants (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
  • Pyrane Compounds (AREA)

Description

(5А) СМАЗОЧНАЯ КОМПОЗИЦИЯ
Изобретение относитс  к смазочным композици м на основе нефт ного масла с добавлением присадки.
. Известна смазочна  композици  на основе нефт ного маспа с добавлением 6 эфира олеиновой кислоты с пентаэритритом , улучшающего антикоррозионные свойства масла ГП.
Однако известна  композици  недостаточно улучшает и диспергирую- ю щие свойства масел.
Наиболее близкой к предлагаемой по достигаемому результату  вл етс  смазочна  композици  на основе нефт ного масла с добавлением присадки - is эфира, полученного от ангидрида алкенил нтарной кислоты и многоатомного спирта в присутствии кислотного катализатора 12.
Однако диспергирующие свойства композиции эта присадка улучшает недостаточно .
Цель изобретени  - повышение диспергирующих свойств композиции.25
Поставленна  цель достигаетс  тем, что смазочна  композици  на основе нефт ного масла с добавлением присадки, в качестве последней содержит маслорастворимый продукт реакции лактона с пентаэритритом при 100-2 0°С до завершени  этерификацйи , определ емой ИК-анализом или по прекращению выделени  воды, при следующем соотношении компонентов, вес.%:
Маслорастворимый продукт реакции лактона с пентаэритритом0,
Нефт ное маслоДо 100
В полученные лактонные эфиры пентаэритрита можно вводить различ1 1е функциональные группы, например, гидроксилы, тиилы, сульфогруппы.
Данна  присадка может примен тьс  в смазочных композици х, таких как смазочные масла дл  автомобильных картеров, жидкости дл  автоматических трансмиссий и т.д. 389 Вышеуказанные композиции или концентраты могут содержать и другие стандартные присадки, включа  реаген ты, понижающие температуру застывани , противоизносные присадки, такие как трикрезилфосфат или диалкилдитио фосфаты цинка с 38 атомами углерода в каждом алкиле, противоокиспители , присадки, уменьшающие зависимость в зкости от температуры, например сополимеры этилена и пропилена , полиметакрилаты, полиизобутиен, сополимеры алкилфумёрата и винилацетата и т.п., диэмульгаторы, такие как полисиПоксаны, этоксилированные полимеры и т.п. Пример 1. 100 г (около 0,05 моль) полиизобутиллактонной кислоты и 6,8 г (0,05 моль) пентаэритрита смешивают и нагревают посте А пенно 200 С. Смесь отфильтровывают через основный Се lite и несколько часов подвергают ротационному выпари ванию при 90°С. Концентрат имеет ИК-спектр с  рко выраженными полосами поглощени  при 5,6-5,8 мкм. Анализ продукта показывает содержание серы 1,55 и хлора 0,09%. Пример 2. 25 г (около 0,018 моль) полиизобутиллактоновой кислоты и 2,5 г (0,018 моль) пентаэритрита смешивают и нагревают 1 ч до 150°С. Затем температуру реакционной смеси повышают до 200°С и смесь перемешивают 2 ч при этой температуре . К остатку добавл ют масло Solvent 150 Neutral и получают 51 вес.-ный масл нистый раствор лак тонного эфира многоатомного спирта. Отфильтрованный раствор продукта показывает ИК-спектр с интенсивными по лосами поглощени  при 2,9 5,65.и 5,8 мкм, соответствующими присутствию гидроксильной, лактонной и эфирной группам. Растворенн |й продукт имеет гидроксильное число 51,9. Пример 3- 0,01 моль (26,3 г) тио-бис-полиизобутиллактонной кислоты и 0,02 мдль (2,8 г) пентаэритрита смешивают и нагревают 2 ч при . Продукт разбавл ют одинаковым по весу количеством масла Solvent 150 Neu tral и отфильтровывают, ИК-анализ филътрата показывает характерные полосы поглощени  при 2,,0 мкм ( гидроксил) и широкую полосу при 5,,8 мкм (лактонный эфир). Гидроксильное число растворенного про4 дукта (50 вес.% активного вещества) составл ет 53. Пример . 80г (около 0,03 моль) дитио-бис-полиизобутиллактоннокислотного продукта нагревают до 190°С. С перемешиванием в атмосфере азота добавл ют 9,8 г (0,072 моль) пентаэритрита и перемешанную реакционную смесь нагревают 3 до , обрызгива  ее азотом . Через 3 ч к остатку добавл ют одинаковое количество масла Solvent 150 Neutral и получают раствор с содержанием 50 вес. активного вещества . Этот раствор разбавл ют 200 мл гексана и отфильтровывают, затем его подвергают 3 ч ротационному выпариванию при . Полученный растворенный продукт обнаруживает ИКспектр с  ркими полосами поглощени  карбонила, которые можно приписать требуемому лактонно-эфирному продукту многоатомного спирта с гидроксильным числом 90,8. Пример 5. Пентаэритритный эфир PIBSA. 200 г (около 0,1 моль) 51 вес.ного по весу раствора в масле 150/ /PIBSA и 13,6 г (0,1 моль) пентаэритрита смешивают и нагревают до 200.°С. Реакционную,смесь перемешивают около 3 ч при 200С и отфильтровывают.Фильтрат (50 вес.% активного вещества) имеет ИК-спектр с  рко выраженной полосой поглсицени  эфирного карбонила при 5,8 мкм. Анализ обнаруживает содержание 5,04 кислорода. Гидроксильное число растворенного эфирного продукта (50 вес.) временно составл ет 57,. Пример 6. Продукт реакции пентаэритрита с алкенилхлорлактоновой кислотой. 130 г PIBSA с мол.вес. около 9бО и числом омылени  8k смешивают с 10 см метанола и 80 мл бензола. Через смесь пропускают газообразный хлор (1 ч) при температуре в пределах . Реакционную смесь обрызгивают азотом 2 ч, затем ее подвергают ротационному выпариванию 3 ч при 80С. Анализ остатка (135 г) показывает содержание хлора 3,9 вес.. 130 г этого хлорсодержащего продукта смешивают с 15,9 г пентаэритрита и перемешивают 12 ч в атмосфере азота при температуре около 180С. Продукт разбавл ют маслом Solvent
58
150 Neutral в 50 весД-ный раствор активного вещества и отфильтровывают через Celite 503. Анализом фильтрата 50 вес.% активного вещества установлено содержание хлора 2,0 вес..
Оценка присадок в испытани х на ингибирование образовани  налета.
В качестве смазочного масла, к которому добавл ют присадку, примен ют 9,93 г масла, полученного от такси, проехавшего 2000 миль (3.218,7 км) на указанном масле. Каждую 10-граммовую пробу выдерживают одну ночь при температуре около . Затем ее центрифугируют , чтобы удалить осадок. Всплывшую жидкость каждой пробы подвергают термоциклированию в течение 3,5 ч при частоте примерно 2 цикла в минуту дл  снижени  температуры жидкости от около до комнатной. В фазе нагревани  газ, содержащий смесь 50 около 0,7 об., . и воздуха (остаток до 100), барботируют через пробы, а в фазе охлажКонцентраци  по весу активного вещества , вес. %
0,35 0,35 0,35 0,35
1,0 0,5
0,5
13«
дение - вод ной пар. По окончании испытани , циклы которого в случае необходимости можно повтор ть дл  определени  ингибирующего де(стви  любой присадки, поверхности стенок колб, в которых наход тс  пробы, подвергают визуальной оценке. Количество налета, образовавшегос  на стенках, оценивают значени ми от 1 до 7, причем в каждом случае более высокое значение обозначает большее количество налета.
Результаты,приведенные в таблиЦе говор т о том, что продукты реакции лактона с пентаэритритом более эффективны в ингибировании образовани  налета, чем галоидлактонные эфиры многоатомных спиртов 2.
В реакции лактоннокислотного или Эфирного реагента предпочтительно применение около 1 моль многоатомного спирта на карбоксигруппу гидрокарбипзамещенного лактоннокислотного или -эфирного реагента.
Химическое название
Оценка, +ИОН присадки
Полибутил (мол.вес9бО) лактонный эфир пентаэритрита
Полибутил (мол.вес.) лактонный эфир пентаэритрита
Продукт реакции пентаэритрита с алкенилхлорлактонной кислотой
Пентаэритритовый эфир
полиизобутенил нтарного
ангидрида
Пентаэритритовый эфир тио-бис-полиизобутениллактоновой кислоты
Пентаэритритовый эфир дитио-бис-полиизобутениллактоновой кислоты

Claims (2)

1.Патент Японии № 35618,кл.18Е2, опублик. 1971.
2.Патент США НЗЭЗб 72,кл. 2603 3 .6, опублик.1976 (прототип).
SU782580009A 1977-02-14 1978-02-13 Смазочна композици SU897113A3 (ru)

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US05/768,265 US4123373A (en) 1977-02-14 1977-02-14 Lactone polyol esters as oleaginous additives

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NL7800352A (nl) 1978-08-16
CA1129873A (en) 1982-08-17
FR2380306A1 (fr) 1978-09-08
DE2757767A1 (de) 1978-10-19
AU3167177A (en) 1979-06-21
DE2757767C2 (ru) 1991-05-23
IT1089292B (it) 1985-06-18
JPS53103465A (en) 1978-09-08
FR2380306B1 (ru) 1984-11-16
BR7800198A (pt) 1978-10-10
US4123373A (en) 1978-10-31
BE863826A (nl) 1978-08-10
AU515917B2 (en) 1981-05-07

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