CN102311855B - Aviation lubricating oil composition - Google Patents
Aviation lubricating oil composition Download PDFInfo
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- CN102311855B CN102311855B CN 201110233400 CN201110233400A CN102311855B CN 102311855 B CN102311855 B CN 102311855B CN 201110233400 CN201110233400 CN 201110233400 CN 201110233400 A CN201110233400 A CN 201110233400A CN 102311855 B CN102311855 B CN 102311855B
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Abstract
The invention relates to an aviation lubricating oil composition. The composition comprises, by weight, 100 parts of a pentaerythritol ester, 0.8 parts of an antioxidant p,p'-diisooctyldiphenylamine, 0.5 parts of N-phenyl-alpha-naphthylamine, 0.5-2.5 parts of an extreme pressure agent, 0.1 parts of an antiseptic benzotriazole, and 10ppm of an antifoaming agent methyl silicone oil, wherein the extreme pressure agent comprises tribenzoic acid phosphorothioate, trichlorophenyl phosphorothioate, and triphenyl phosphorothioate according to a weight ratio of 1:2:7.
Description
Technical field
The present invention relates to a kind of lubricating oil composition, especially a kind of aviation lubricating oil composition.
Background technology
Aircraft oil is the lubricating oil for aircraft engine, it has the functions such as lubricated, sealing, cleaning and heat exchange, the development of the technology of making along with present generation aircraft, in running order lower engine severity also improves constantly, need to be in about 1200～1500 ℃ of lower reliable and stable work such as the local parts of modern turbofan engine, this just requires aircraft oil quality level also will improve thereupon.
RO100992A discloses a kind of aircraft oil, and it comprises two (2-ethylhexyl) sebate and additive of main amount.But this lubricating oil facile hydrolysis is large to metal protection, also easily causes simultaneously the expansion of rubber seal.
US5585338A discloses a kind of aviation lubricating oil composition take polyol ester as base oil, and it contains Thiosalicylic acid to improve extreme pressure property.
WO2011026990A1 discloses a kind of aircraft oil take polyol ester as base oil, and it contains the coking that ionic liquid enough reduces precipitation capacity and reduces lubricating oil.
It is the aircraft oil of base oil that EP2055763A1 discloses a kind of poly-different Doutrate, and it contains Tritolyl Phosphate is anti-wear agent, and triazole and diprotic acid are sanitas, and benzotriazole is metal passivator.
Summary of the invention
It is comprehensive to the purpose of this invention is to provide a kind of performance, especially has the aircraft oil of excellent extreme pressure and antiwear behavior.
Aviation lubricating oil composition of the present invention is composed of the following components: pentaerythritol ester 100 weight parts, antioxidant: right, right ' di-iso-octyldiphenylamine 0.8 weight part and N-phenyl-a-naphthylamines 0.5 weight part, extreme pressure agent: 0.5-2.5 weight part, sanitas: three benzazoles, 0.1 weight part, kilfoam: methyl-silicone oil 10ppm weight part, wherein extreme pressure agent is comprised of three phenylformic acid thiophosphatephosphorothioates, trichlorobenzene thiophosphatephosphorothioate, triphen thiophosphatephosphorothioate, and three's weight ratio successively is 1: 2: 7.
Three phenylformic acid thiophosphatephosphorothioates have following structural formula:
The trichlorobenzene thiophosphatephosphorothioate has following structural formula:
Wherein pentaerythritol ester is to make behind the fatty acid esterification by tetramethylolmethane and C6-C9.Because esterification technique and raw material have a significant impact product performance, as: esterification is incomplete, the half ester that contains in the ester, the unsaturated compositions such as alcohol have a significant impact high temperatrue stability, and pentaerythritol ester therefore of the present invention requires to meet the following conditions: its iodine number is less than 1.0gl
2/ 100g, hydroxyl value is less than 10.0mgKOH/g, and acid number is less than 0.1mgKOH/g, and Na content is less than 20ppm (quality), and moisture is less than 600ppm (quality), without water soluble acid or alkali.
The preferred 0.8-1.5 weight part of the consumption of extreme pressure agent more selects 1.2 weight parts.
The preparation method of aviation lubricating oil composition of the present invention may further comprise the steps:
Vacuum sucks the tetramethylolmethane ester base oil in the mediation still, turns off vacuum, opens the emptying valve; making in the still pressure is zero; open dog-house, add base oil and the various additive of corresponding proportion, cover dog-house; tighten the screws; open to stir after 15 minutes and vacuumize, make that negative pressure is maximum value on the tensimeter, pour in the still with nitrogen; make tensimeter pressure 0.02MPa; air in the still is driven in identical like this operation nitrogen replacement 3 times away, heats to 100 ℃ under nitrogen protection; open and stir after 15 minutes; cooling passes into nitrogen after finished pot vacuumized, repeatedly after 3 times; oil pumping in the mediation still to finished pot, is filtered oil product at pump outlet simultaneously.
Above-mentioned prescription can be good at satisfying the requirement of aircraft oil, has simultaneously extraordinary extreme pressure anti-wear.
Embodiment
Extreme pressure agent is comprised of three phenylformic acid thiophosphatephosphorothioates, trichlorobenzene thiophosphatephosphorothioate, triphen thiophosphatephosphorothioate in following examples, and three's weight ratio successively is 1: 2: 7.
Embodiment 1
Pentaerythritol ester 100 weight parts, antioxidant: right, to ' di-iso-octyldiphenylamine 0.8 weight part and N-phenyl-a-naphthylamines 0.5 weight part, extreme pressure agent: 1.0 weight parts, sanitas: three benzazoles, 0.1 weight part, kilfoam: methyl-silicone oil 10ppm weight part.
Embodiment 2
Pentaerythritol ester 100 weight parts, antioxidant: right, to ' di-iso-octyldiphenylamine 0.8 weight part and N-phenyl-a-naphthylamines 0.5 weight part, extreme pressure agent: 1.2 weight parts, sanitas: three benzazoles, 0.1 weight part, kilfoam: methyl-silicone oil 10ppm weight part.
Embodiment 3
Pentaerythritol ester 100 weight parts, antioxidant: right, to ' di-iso-octyldiphenylamine 0.8 weight part and N-phenyl-a-naphthylamines 0.5 weight part, extreme pressure agent: 2.5 weight parts, sanitas: three benzazoles, 0.1 weight part, kilfoam: methyl-silicone oil 10ppm weight part.
The composition experimental data of embodiment 1-3 sees Table 1
Table 1
Claims (3)
1. aviation lubricating oil composition, said composition is composed of the following components: pentaerythritol ester 100 weight parts, antioxidant: right, right ' di-iso-octyldiphenylamine 0.8 weight part and N-phenyl-a-naphthylamines 0.5 weight part, extreme pressure agent: 0.5-2.5 weight part, sanitas: three benzazoles, 0.1 weight part, kilfoam: methyl-silicone oil 10ppm weight part, wherein extreme pressure agent is by three phenylformic acid thiophosphatephosphorothioates, the trichlorobenzene thiophosphatephosphorothioate, the triphen thiophosphatephosphorothioate forms, three's weight ratio successively is 1: 2: 7, wherein: pentaerythritol ester is to make behind the fatty acid esterification by tetramethylolmethane and C6-C9, and pentaerythritol ester meets the following conditions: iodine number is less than 1.0gI
2/ 100g, hydroxyl value is less than 10.0mgKOH/g, and acid number is less than 0.1mgKOH/g, and Na content is less than 20ppm, and in mass, moisture is less than 600ppm, and in mass, without water soluble acid or alkali, three phenylformic acid thiophosphatephosphorothioates have following structural formula:
The trichlorobenzene thiophosphatephosphorothioate has following structural formula:
2. aviation lubricating oil composition as claimed in claim 1, it is characterized in that: extreme pressure agent is the 0.8-1.5 weight part.
3. aviation lubricating oil composition as claimed in claim 1, it is characterized in that: extreme pressure agent is 1.2 weight parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110233400 CN102311855B (en) | 2011-08-16 | 2011-08-16 | Aviation lubricating oil composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110233400 CN102311855B (en) | 2011-08-16 | 2011-08-16 | Aviation lubricating oil composition |
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| Publication Number | Publication Date |
|---|---|
| CN102311855A CN102311855A (en) | 2012-01-11 |
| CN102311855B true CN102311855B (en) | 2013-04-24 |
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| CN 201110233400 Expired - Fee Related CN102311855B (en) | 2011-08-16 | 2011-08-16 | Aviation lubricating oil composition |
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Families Citing this family (1)
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| CN106867639A (en) * | 2017-04-01 | 2017-06-20 | 江苏奥克化学有限公司 | A kind of aviation lubricating oil composition, aeroengine oil and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1687337A (en) * | 2005-04-06 | 2005-10-26 | 上海纳克润滑技术有限公司 | Clean compound ester type high temperature chain oil and preparation method |
| CN101117609A (en) * | 2006-08-04 | 2008-02-06 | 中国石油天然气股份有限公司大连润滑油研究开发中心 | High-temperature chain oil and preparation method thereof |
| CN101812352A (en) * | 2010-05-11 | 2010-08-25 | 上海海都化学科技有限公司 | Antioxidant for hydraulic cylinder and preparation and application thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3219264B2 (en) * | 1995-09-07 | 2001-10-15 | 出光興産株式会社 | Mist oil composition |
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2011
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687337A (en) * | 2005-04-06 | 2005-10-26 | 上海纳克润滑技术有限公司 | Clean compound ester type high temperature chain oil and preparation method |
| CN101117609A (en) * | 2006-08-04 | 2008-02-06 | 中国石油天然气股份有限公司大连润滑油研究开发中心 | High-temperature chain oil and preparation method thereof |
| CN101812352A (en) * | 2010-05-11 | 2010-08-25 | 上海海都化学科技有限公司 | Antioxidant for hydraulic cylinder and preparation and application thereof |
Non-Patent Citations (3)
| Title |
|---|
| JP特开平9-132791A 1997.05.20 |
| 张庆森等.高效液相色谱法测定合成航空润滑油中添加剂.《色谱》.1992,第10卷(第4期),第227-229页. |
| 高效液相色谱法测定合成航空润滑油中添加剂;张庆森等;《色谱》;19921231;第10卷(第4期);第227-229页 * |
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