RU2012145270A - Смазывающие композиции со сверхмалым содержанием фосфора - Google Patents

Смазывающие композиции со сверхмалым содержанием фосфора Download PDF

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RU2012145270A
RU2012145270A RU2012145270/04A RU2012145270A RU2012145270A RU 2012145270 A RU2012145270 A RU 2012145270A RU 2012145270/04 A RU2012145270/04 A RU 2012145270/04A RU 2012145270 A RU2012145270 A RU 2012145270A RU 2012145270 A RU2012145270 A RU 2012145270A
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dithiocarbamate
amount
composition
present
composition according
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Глен А. МАЗЗАМАРО
Стивен Г. ДОННЕЛЛИ
Роналд Дж. ХИЗА
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ВАНДЕРБИЛТ КЕМИКАЛЗ,ЭлЭлСи
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Abstract

1. Смазывающая композиция с низким содержанием фосфора, содержащая менее 600 частей на миллион фосфора, включающая по меньшей мере 85 мас.% смазывающей основной смеси и присадку, включающую следующие компоненты в расчете на массовый % всей композиции:(1) молибденорганическое соединение в количестве, которое обеспечивает примерно 0,1-800 частей на миллион Mo;(2) затрудненный фенол в количестве примерно 0,1-2,0% и(3) дитиокарбамат в количестве примерно 0,1-2,0%;с первым условием, что, если дитиокарбамат не включает дитиокарбамат металла, присадка дополнительно содержит:(4) алкилированный дифениламин в количестве примерно 0,1-2,0%,и со вторым условием, что, если молибденорганическое соединение включает дитиокарбамат молибдена, он рассматривается в качестве дитиокарбамата металла в отношении первого условия, но рассматривается в качестве молибденорганического соединения при расчете количества, присутствующего во всей композиции.2. Композиция по п.1, в которой дитиокарбамат включает дитиокарбамат цинка.3. Композиция по п.1, в которой дитиокарбамат представляет собой беззольный дитиокарбамат.4. Композиция по п.3, в которой беззольный дитиокарбамат представляет собой метилен-бис-диалкилдитиокарбамат.5. Композиция по п.1, в которой молибденорганическое соединение представляет собой одно или оба вещества в сочетании из:(a) комплекса, полученного взаимодействием примерно 1 моль жирного масла, примерно от 1,0 до 2,5 моль диэтаноламина и источника молибдена, достаточного, чтобы дать примерно от 0,1 до 12,0 процентов молибдена; и(b) дитиокарбамата молибдена.6. Композиция по п.1, в которой затрудненный фенол представляет собой 2',6'-ди-трет-бутилфенол, �

Claims (16)

1. Смазывающая композиция с низким содержанием фосфора, содержащая менее 600 частей на миллион фосфора, включающая по меньшей мере 85 мас.% смазывающей основной смеси и присадку, включающую следующие компоненты в расчете на массовый % всей композиции:
(1) молибденорганическое соединение в количестве, которое обеспечивает примерно 0,1-800 частей на миллион Mo;
(2) затрудненный фенол в количестве примерно 0,1-2,0% и
(3) дитиокарбамат в количестве примерно 0,1-2,0%;
с первым условием, что, если дитиокарбамат не включает дитиокарбамат металла, присадка дополнительно содержит:
(4) алкилированный дифениламин в количестве примерно 0,1-2,0%,
и со вторым условием, что, если молибденорганическое соединение включает дитиокарбамат молибдена, он рассматривается в качестве дитиокарбамата металла в отношении первого условия, но рассматривается в качестве молибденорганического соединения при расчете количества, присутствующего во всей композиции.
2. Композиция по п.1, в которой дитиокарбамат включает дитиокарбамат цинка.
3. Композиция по п.1, в которой дитиокарбамат представляет собой беззольный дитиокарбамат.
4. Композиция по п.3, в которой беззольный дитиокарбамат представляет собой метилен-бис-диалкилдитиокарбамат.
5. Композиция по п.1, в которой молибденорганическое соединение представляет собой одно или оба вещества в сочетании из:
(a) комплекса, полученного взаимодействием примерно 1 моль жирного масла, примерно от 1,0 до 2,5 моль диэтаноламина и источника молибдена, достаточного, чтобы дать примерно от 0,1 до 12,0 процентов молибдена; и
(b) дитиокарбамата молибдена.
6. Композиция по п.1, в которой затрудненный фенол представляет собой 2',6'-ди-трет-бутилфенол, необязательно замещенный -CH2-CH2-C(O)-OR1, где R1 выбран из группы, состоящей из бутила, этилгексила, изооктила, изостеарила и стеарила.
7. Композиция по п.1, в которой затрудненный фенол представляет собой (изооктил-3-(3,5-ди-трет-бутил-4-гидроксифенил)пропионат).
8. Композиция по п.3, дополнительно включающая ингибитор коррозии.
9. Композиция по п.1, где смазывающая композиция дает удержание фосфора по меньшей мере 79% при использовании в двигателе.
10. Композиция по п.1, в которой дитиокарбамат представляет собой дитиокарбамат цинка, и композиция, по существу, не содержит алкилированного дифениламина.
11. Композиция по п.1, в которой
(1) молибденорганическое соединение присутствует в количестве, которое обеспечивает примерно 50-800 частей на миллион Mo;
(2) затрудненный фенол присутствует в количестве примерно 0,5-1,5%; и
(3) дитиокарбамат присутствует в количестве примерно 0,25-1,5%;
(4) алкилированный дифениламин, в случае его присутствия, находится в количестве примерно 0,25-1,25%.
12. Композиция по п.11, в которой
(1) молибденорганическое соединение присутствует в количестве, которое обеспечивает примерно 700 частей на миллион Mo;
(2) затрудненный фенол присутствует в количестве примерно 0,5-1,5%; и
(3) дитиокарбамат присутствует в количестве примерно 0,4-1,0%;
(4) алкилированный дифениламин, в случае его присутствия, находится в количестве примерно 0,25-1,25%.
13. Композиция по п.1, в которой
(1) молибденорганическое соединение присутствует в количестве, которое обеспечивает примерно 50-800 частей на миллион Mo;
(2) затрудненный фенол присутствует в количестве примерно 0,5-1,5%; и
(3) дитиокарбамат включает дитиокарбамат цинка, присутствующий в количестве примерно 0,25-1,5%;
и композиция, по существу, не содержит алкилированного дифениламина.
14. Композиция по п.13, в которой
(1) молибденорганическое соединение присутствует в количестве, которое обеспечивает примерно 700 частей на миллион Mo;
(2) затрудненный фенол присутствует в количестве примерно 0,75-1,5%; и
(3) дитиокарбамат цинка присутствует в количестве примерно 0,5%.
15. Способ смазывания двигателя, обеспечивающий улучшенное удержание фосфора, и/или улучшенное ингибирование коррозии свинца и/или меди, и/или улучшенную экономию топлива, и/или контроль образования отложений при высокой температуре, и/или совместимость с катализатором выхлопной системы, в соединении со смазывающей композицией с низким содержанием фосфора, включающий применение смазывающей композиции по п.1 в двигателе.
16. Способ по п.15, где применение смазывающей композиции приводит к улучшенному удержанию фосфора и улучшенному ингибированию коррозии свинца и/или меди.
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