CN101993766A - Total synthesis shock absorber oil with high viscosity index - Google Patents
Total synthesis shock absorber oil with high viscosity index Download PDFInfo
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- CN101993766A CN101993766A CN 201010561257 CN201010561257A CN101993766A CN 101993766 A CN101993766 A CN 101993766A CN 201010561257 CN201010561257 CN 201010561257 CN 201010561257 A CN201010561257 A CN 201010561257A CN 101993766 A CN101993766 A CN 101993766A
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Abstract
The invention relates to total synthesis shock absorber oil with a high viscosity index, which comprises the following components in percentage by weight: 85-95% of poly-alpha-olefin synthetic oil, 1-10% of ester synthetic oil, 1-10% of polymethacrylate viscosity index improver, 0.1-5% of anti-wear additive, 0.5-5% of antioxidant, 0.001-0.1% of anti-foaming agent, 0-1% of pour point depressant and 0.01-2.0% of antirust additive. Compared with the common shock absorber oil, the invention has the advantages of remarkable viscosity-temperature performance and antifoaming performance, excellent low temperature performance and lubricating property, favorable antirust and anticorrosion performance, and very remarkable oxidation resistance and appropriate cost, has favorable adaptability with rubber at the same time and can satisfy the use requirements, such as all weather, long life, universality, and the like.
Description
Technical field
The present invention relates to field of lubricant, particularly, relate to a kind of complete synthesis high viscosity index (HVI) shock absorber oil.
Background technology
The use properties of automobile, as: ride comfort, steering quality, stability etc. depend on the selection of automobile suspension characteristic, and the characteristic of vibroshock is to solve one of suspension performance three big subject matters.Favorable damping device characteristic must be arranged, could guarantee the optimum performance of suspension, and shock absorber oil is the principal element of looking merit characteristic, high-temperature behavior, low-temperature performance etc. that influences vibroshock, shock absorber oil has vital role to the normal operation of vibroshock.
Along with the continuous development of Domestic Automotive Industry, the demand of battle wagon increases day by day, shock absorber oil is had higher requirement, as: good viscosity temperature characteristic, low-temperature startup performance, long lifetime, anti-wear and wear-resistant performance etc.At present, a large amount of high-grade shock absorber oils dependence on import still.Though some shock absorber oil patented technologies are all arranged both at home and abroad, but still have problems such as some technology or cost.As: US 4634543 discloses a kind of abrasion resistance and the lower shock absorber oil of frictional coefficient; JP 03285989 discloses a kind of synthetic shock absorber oil, but not good enough at aspects such as lubricity, costs; CN 101486944A discloses a kind of synthetic oil that contains polymethylphenyl siloxane fluid, but this kind shock absorber oil is made up of synthetic oil and hydrogenated oil, and there is the cost height equally in polymethylphenyl siloxane fluid, with the problem of common additives consistency difference; CN 134578A discloses a kind of shock absorber oil, is made up of ZDDP class oxidation and corrosion inhibitor, methyl-silicone oil and a kind of special lube etc., and viscosity-temperature index is not high.
A kind of complete synthesis high viscosity index (HVI) shock absorber oil of the present invention has outstanding viscosity temperature characteristic and anti-bubble performance, outstanding low-temperature performance, excellent lubricating properties, good anti-rust and anti-corrosion, very outstanding antioxidant property and suitable cost.Simultaneously, with rubber good adaptability is arranged.Fundamentally solve the deficiency of aspects such as common shock absorber oil viscosity temperature characteristic, low-temperature performance and oxidation stability energy, can satisfy round-the-clock, long lifetime, service requirements such as general.
Summary of the invention
The purpose of this invention is to provide a kind of complete synthesis high viscosity index (HVI) shock absorber oil, this shock absorber oil has outstanding viscosity temperature characteristic and anti-bubble performance, outstanding low-temperature performance, excellent lubricating properties, good anti-rust and anti-corrosion, very outstanding antioxidant property and suitable cost, with rubber good adaptability is arranged simultaneously.Can satisfy round-the-clock, long lifetime, service requirements such as general.
The technical scheme that realizes above-mentioned purpose is as follows:
A kind of complete synthesis high viscosity index (HVI) shock absorber oil comprises following components in portion by weight:
85～95% poly alpha olefine synthetic oils, 1～10% synthetic ester lubricant, 1～10% polymethacrylate viscosity index improver, 0.5～5% wear preventive additive, 0.5～5% oxidation inhibitor, 0～1% pour point depressant, 0.01～2.0% rust-inhibiting additive and 0.001～0.1% kilfoam.
Further, described poly alpha olefine synthetic oil is one or more a mixture of commercially available low viscosity poly alpha olefine synthetic oil (PAO), and its 40 ℃ of kinematic viscosity are 4.5～15mm
2/ s is preferably 7～10mm
2/ s.The poly alpha olefine synthetic oil mixture of different viscosity grade commonly used is: Mobil SpectraSyn
TM2, Mobil SpectraSyn
TM2B, Mobil SpectraSyn
TM2C, Mobil SpectraSyn
TM4, Mobil SpectraSyn
TM6, Mobil SpectraSyn Plus
TM3.6.
Further, described synthetic ester lubricant is commercially available diester or one or more mixtures of phthalic ester.Diester has following structural formula: R
1OOC (CH
2)
nCOOR
2, R wherein
1And R
2Be C
7～C
18Straight chained alkyl or isomery alkyl, n=4～18.As: di-isooctyladinpate, hexanodioic acid two isotridecanols, diisooctyl sebacate, sebacic acid two isotridecanols, diisooctyl dodecanedioate etc.Phthalic ester is the esterification products of phthalic acid and monohydroxy-alcohol, and its chemical structural formula is: R
5OOCC
6H
4COOR
6, R wherein
5And R
6Be C
7～C
18Straight chained alkyl or isomery alkyl, as dimixo-octyl phthalate, phthalic acid two isotridecanols etc.。
Further, described polymethacrylate viscosity index improver is the polymkeric substance of the direct-connected or side chain alcohol ester of methacrylic acid C1-18, can be one or more mixture.As: poly-n-butyl methacrylate, polymethyl acrylic acid tetradecyl alcohol ester, the different monooctyl ester of polymethyl acrylic acid, poly-methyl methacrylate butyl ester or the like.As: RohMax Viscoplex
7-310, Viscoplex
8-310 etc.
Further, described wear preventive additive is the dialkylamine methylphosphonate, and its chemical structural formula is: R
7R
8NCH
2OP (OR
9) (OR
10), R in the formula
7And R
8Be H or C
1～C
18The straight or branched alkyl, R
9And R
10Be C
2～C
20Straight chained alkyl, branched-chain alkyl or alkyl phenyl.The dialkylamine methylphosphonate is the self-control product, its preparation method is that equimolar phosphorous acid ester, formalin, primary amine or secondary amine, an amount of volume gasoline are placed reaction Fu, after reflux dewatering was reacted to moisture more than theoretical water and goes out, distillation removed to desolvate and promptly gets product.
Further, described oxidation inhibitor is phenol type antioxidant, amine type oxidation inhibitor or their mixture.Wherein amine type oxidation inhibitor is N-phenyl-a-naphthylamine (T531), the N-Phenyl beta naphthylamine, di-iso-octyldiphenylamine etc., phenol type antioxidant is 2,6-ditertbutylparacresol (T501), 4, (2,6-two for the 4'-methylene-bis, three-butylphenol), hindered phenol (as the vapour Bagong L135 of department) etc., be the commercially available prod.
Further, described pour point depressant is the polymethacrylate pour point depressant and is the commercially available prod, can be one or more mixing pour point depressant, as: RohMax Viscoplex
1-156,1-248,1-250,1-388 etc.
Further, described kilfoam is silicon type or non-silicon type antifoamer.As: Foam Ban 130B, 3633E, methyl-silicone oil (T901) etc.
Further, described rust-inhibiting additive is commercially available Ashless type rust-inhibiting additive.As: dodecenylsuccinic acid (T746), dodecenylsuccinic acid ester (T747), N-oleoyl sarcosine-stearylamine salt (T711) etc.
The invention has the beneficial effects as follows:
A kind of complete synthesis high viscosity index (HVI) shock absorber oil of invention, owing to adopted the poly-alpha olefins synthetic base oil, simultaneously in prescription, introduce novel dialkylamine methylphosphonate class antiwear and friction-reducing additive, amine and phenols high-temperature antioxidant, efficient anti-bubbling agent, rust-inhibiting additive etc., made product of the present invention have outstanding viscosity temperature characteristic (high viscosity index (HVI)) and anti-bubble performance, outstanding low-temperature performance, excellent lubricating properties, good anti-rust and anti-corrosion, the antioxidant property of giving prominence to very much and suitable cost.Simultaneously, with rubber good adaptability is arranged.Fundamentally solve the deficiency of aspects such as common shock absorber oil viscosity temperature characteristic, low-temperature performance and oxidation stability energy, can satisfy round-the-clock, long lifetime, service requirements such as general.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Embodiment 1～6
Press the complete synthesis high viscosity index (HVI) shock absorber oil of table 1 formulated.
The prescription of table 1 embodiment 1～6
。
According to the each component mixed, heated and stirred is even with above-mentioned prescription, can obtain product.
Embodiment 7
The analytical procedure of employing country or industry standard is carried out Performance Detection to the formulation product of embodiment 1～6, and compares with reference example (CN 101486944A embodiment 2).The results are shown in Table 2.
The comparative data of table 2 embodiment 1～6 product performance analysis and reference example
。
By analysis, the viscosity index of the complete synthesis high viscosity index (HVI) shock absorber oil of embodiment 1-6 gained is all greater than 200, pour point is all less than-60 ℃, last non seizure load is all greater than reference example, wear scar diameter is less than reference example, under the condition of being tested, the foam tendency all is 0 with the froth stability analytical results.Therefore, shock absorber oil of the present invention has extremely outstanding viscosity temperature characteristic and low-temperature performance, obviously is being better than reference example aspect lubricity, foaming properties, viscosity temperature characteristic and the low-temperature performance.
It should be noted that: in addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (10)
1. a complete synthesis high viscosity index (HVI) shock absorber oil is characterized in that, comprises following components in portion by weight:
Poly alpha olefine synthetic oil: 85～95%;
Synthetic ester lubricant: 1～10%;
Polymethacrylate viscosity index improver: 1～10%;
Wear preventive additive: 0.5～5%;
Oxidation inhibitor: 0.1～5%;
Pour point depressant: 0～1%;
Rust-inhibiting additive: 0.01～2.0%;
Kilfoam: 0.001～0.1%.
2. a kind of complete synthesis high viscosity index (HVI) shock absorber oil according to claim 1 is characterized in that described poly alpha olefine synthetic oil is the low viscosity poly alpha olefine synthetic oil, and its 40 ℃ of kinematic viscosity are 4.5～15mm
2/ s.
3. a kind of complete synthesis high viscosity index (HVI) shock absorber oil according to claim 1 is characterized in that described synthetic ester lubricant is one or more mixtures of diester or phthalic ester.
4. a kind of complete synthesis high viscosity index (HVI) shock absorber oil according to claim 3 is characterized in that the structural formula of described diester is as follows: R
1OOC (CH
2)
nCOOR
2, R wherein
1And R
2Be C
7～C
18Straight chained alkyl or isomery alkyl, n=4～18.
5. a kind of complete synthesis high viscosity index (HVI) shock absorber oil according to claim 3 is characterized in that described phthalic ester is the esterification products of phthalic acid and monohydroxy-alcohol, and its chemical structural formula is: R
5OOCC
6H
4COOR
6, R wherein
5And R
6Be C
7～C
18Straight chained alkyl or isomery alkyl.
6. a kind of complete synthesis high viscosity index (HVI) shock absorber oil according to claim 1 is characterized in that described polymethacrylate viscosity index improver is methacrylic acid C
1-C
18The polymkeric substance of direct-connected or side chain alcohol ester is one or more mixture wherein.
7. a kind of complete synthesis high viscosity index (HVI) shock absorber oil according to claim 1 is characterized in that described wear preventive additive is the dialkylamine methylphosphonate, and its chemical structural formula is: R
7R
8NCH
2OP (OR
9) (OR
10), R in the formula
7And R
8Be H or C
1～C
18The straight or branched alkyl, R
9And R
10Be C
2～C
20Straight chained alkyl, branched-chain alkyl or alkyl phenyl.
8. a kind of complete synthesis high viscosity index (HVI) shock absorber oil according to claim 1 is characterized in that described oxidation inhibitor is phenol type antioxidant, amine type oxidation inhibitor or their mixture.
9. a kind of complete synthesis high viscosity index (HVI) shock absorber oil according to claim 1 is characterized in that described pour point depressant is the polymethacrylate pour point depressant.
10. a kind of complete synthesis high viscosity index (HVI) shock absorber oil according to claim 1 is characterized in that described kilfoam is silicon type or non-silicon type antifoamer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105612576A CN101993766B (en) | 2010-11-26 | 2010-11-26 | Total synthesis shock absorber oil with high viscosity index |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105612576A CN101993766B (en) | 2010-11-26 | 2010-11-26 | Total synthesis shock absorber oil with high viscosity index |
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| Publication Number | Publication Date |
|---|---|
| CN101993766A true CN101993766A (en) | 2011-03-30 |
| CN101993766B CN101993766B (en) | 2012-11-21 |
Family
ID=43784524
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311852A (en) * | 2011-08-16 | 2012-01-11 | 中国人民解放军空军油料研究所 | Preparation method of aviation lubricating oil composition |
| CN102311853A (en) * | 2011-08-16 | 2012-01-11 | 中国人民解放军空军油料研究所 | Aviation lubricating oil composition |
| CN103571589A (en) * | 2012-07-31 | 2014-02-12 | 中国石油化工股份有限公司 | Shock absorber oil composition |
| CN104818083A (en) * | 2015-03-31 | 2015-08-05 | 黄琳 | Heatproof lubricant |
| CN105348805A (en) * | 2015-12-11 | 2016-02-24 | 无锡亨宇减震器科技有限公司 | Engine silicone oil shock absorber |
| CN105419330A (en) * | 2015-12-11 | 2016-03-23 | 无锡亨宇减震器科技有限公司 | Silicone oil shock absorber |
| CN106244293A (en) * | 2011-09-15 | 2016-12-21 | 雅富顿公司 | Lubricant compositions |
| CN106554843A (en) * | 2015-09-30 | 2017-04-05 | 中国石油化工股份有限公司 | A kind of biodegradable environment-friendly type Shock absorber oil composition |
| CN107532099A (en) * | 2015-04-28 | 2018-01-02 | Ｋｙｂ株式会社 | Oleo-gear working oil and oleo-gear |
| CN110951529A (en) * | 2019-12-24 | 2020-04-03 | 欧陆宝(天津)新材料科技有限公司 | High-iron motor vehicle width viscosity temperature shock absorber oil and preparation method thereof |
| CN112831363A (en) * | 2020-12-31 | 2021-05-25 | 浙江正信石油科技有限公司 | Environment-friendly shock absorber oil special for high-speed train |
| CN114574272A (en) * | 2022-03-18 | 2022-06-03 | 中国科学院兰州化学物理研究所 | Lubricating oil composition and preparation method and application thereof |
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2010
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311853A (en) * | 2011-08-16 | 2012-01-11 | 中国人民解放军空军油料研究所 | Aviation lubricating oil composition |
| CN102311852A (en) * | 2011-08-16 | 2012-01-11 | 中国人民解放军空军油料研究所 | Preparation method of aviation lubricating oil composition |
| US10563146B2 (en) | 2011-09-15 | 2020-02-18 | Afton Chemical Corporation | Preparation and use of aminoalkylphosphonic acid dilakyl ester compounds in a lubricant for antiwear, friction reduction, and/or micropitting prevention |
| US11149226B2 (en) | 2011-09-15 | 2021-10-19 | Afton Chemical Corporation | Preparation and use of aminoalkylphosphonic acid dialkyl ester compounds in a lubricant for antiwear, friction reduction, and/or micropitting prevention |
| EP2570471B1 (en) * | 2011-09-15 | 2021-04-07 | Afton Chemical Corporation | Aminoalkylphosphonic acid dialkyl ester compounds in a lubricant for antiwear and/or friction reduction |
| CN106244293A (en) * | 2011-09-15 | 2016-12-21 | 雅富顿公司 | Lubricant compositions |
| CN103571589A (en) * | 2012-07-31 | 2014-02-12 | 中国石油化工股份有限公司 | Shock absorber oil composition |
| CN103571589B (en) * | 2012-07-31 | 2015-06-24 | 中国石油化工股份有限公司 | Shock absorber oil composition |
| CN104818083A (en) * | 2015-03-31 | 2015-08-05 | 黄琳 | Heatproof lubricant |
| CN107532099A (en) * | 2015-04-28 | 2018-01-02 | Ｋｙｂ株式会社 | Oleo-gear working oil and oleo-gear |
| CN106554843A (en) * | 2015-09-30 | 2017-04-05 | 中国石油化工股份有限公司 | A kind of biodegradable environment-friendly type Shock absorber oil composition |
| CN106554843B (en) * | 2015-09-30 | 2020-04-24 | 中国石油化工股份有限公司 | Biodegradable environment-friendly shock absorber oil composition |
| CN105419330A (en) * | 2015-12-11 | 2016-03-23 | 无锡亨宇减震器科技有限公司 | Silicone oil shock absorber |
| CN105348805A (en) * | 2015-12-11 | 2016-02-24 | 无锡亨宇减震器科技有限公司 | Engine silicone oil shock absorber |
| CN110951529A (en) * | 2019-12-24 | 2020-04-03 | 欧陆宝(天津)新材料科技有限公司 | High-iron motor vehicle width viscosity temperature shock absorber oil and preparation method thereof |
| CN112831363A (en) * | 2020-12-31 | 2021-05-25 | 浙江正信石油科技有限公司 | Environment-friendly shock absorber oil special for high-speed train |
| CN114574272A (en) * | 2022-03-18 | 2022-06-03 | 中国科学院兰州化学物理研究所 | Lubricating oil composition and preparation method and application thereof |
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Owner name: WUXI HUIYUAN SUPER LUBRICATING OIL CO., LTD. Effective date: 20120806 |
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Effective date of registration: 20120806 Address after: 214000 Xishan Economic Development Zone, Jiangsu, spring road, No. 28, No. Applicant after: Wuxi Huiyuan Advanced Lubricating Oil Co., Ltd. Co-applicant after: Wuxi Huiyuan Super Lubrication Oil Co., Ltd. Address before: 214000 Xishan Economic Development Zone, Jiangsu, spring road, No. 28, No. Applicant before: Wuxi Huiyuan Advanced Lubricating Oil Co., Ltd. |
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