CN105886071A - Total-synthesis hydraulic oil with super-long oil change period - Google Patents
Total-synthesis hydraulic oil with super-long oil change period Download PDFInfo
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- CN105886071A CN105886071A CN201410779056.1A CN201410779056A CN105886071A CN 105886071 A CN105886071 A CN 105886071A CN 201410779056 A CN201410779056 A CN 201410779056A CN 105886071 A CN105886071 A CN 105886071A
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Abstract
The invention discloses total-synthesis hydraulic oil with a super-long oil change period. The hydraulic oil is characterized by consisting of base oil, an antioxidant, a detergent, a dispersing agent, a corrosion inhibitor, an antifoaming agent, a metal deactivator, a demulsifying agent, an anti-wear agent, an anti-extreme pressure agent, a viscosity index improver and a pour point reducer. In the invention, the production scheme is simple; and the product is cheaper than other products of the same type, has high quality and can effectively and comprehensively improve the performance requirements of lubricating oil. The anti-wear and anti-extreme pressure effects are enhanced to the greatest degree while the properties of lubricating oil including oxidation resistance, corrosion resistance, cleaning and dispersion, foam resistance, rust prevention and prevention of oil sludge generation are comprehensively improved. The life cycle of the hydraulic oil is greatly prolonged, and the noise of mechanical equipment and the energy consumption are reduced. The environmental protection requirements of existing products of the same type are completely exceeded.
Description
(1) technical field
The present invention relates to a kind of industrial technology lubricating oil, particularly to a kind of complete synthesis overlength drain period hydraulic pressure
The preparation scheme of oil and manufacture method.
(2) background technology
Currently along with the progress of society and constantly bringing forth new ideas of science and technology, people are also all kinds of in lifting in various degree
The advance of product, and along with the progress of society, all kinds of plant equipment are also in reform in various degree and innovation.
And all kinds of constantly bringing forth new ideas of machinery is also constantly promoting quality so that each class lubricating oil, to reach all kinds of machinery
Equipment operation requirement.Particularly machine-building industry size constantly expands.Nearly ten years, China's " three bases " produces
Industry sustained, stable growth, product variety and level have had bigger lifting, multiple standard machinery basic part yield (to produce
Value) at the forefront in the world；Cast, forge, weld,Heat treatmentWith machining ability andWelding material, high
Speed steel,Hard alloy, the basic material yield such as Nd-Fe-B permanent magnet occupies first place in the world.
So along with standardization and the requirement of environmental protection in all kinds of market of China, with faster and world's advanced person's skill
Art reduces the distance.Thus the lubricating oil product of demand a kind of overlength drain period, and make domestic lube oil
The creation Own Brand more scientific with lubricating oil research staff, current prior art exists with world's advanced technology
A certain distance, because the field of China is very big, Various Seasonal, temperature can differ greatly, individually area,
Almost difference about 40 DEG C.The research and development making us are the most difficult.But current OIL IN LUBRICATING OIL PRODUCTION producer is in China
There are nearly 2,000 many enterprises.The oil product that can agree is few, and high level lubricating oil almost solves by import,
Even general lubricating oil, various additives the most substantially solve by imported product.The product produced has
A lot of producers, for profit-push, reduce cost, and make oil product effect general, and complex manufacturing.
Generally, even having good preparation scheme and manufacture method, because the impact of anthropic factor also can
Oil quality is made to decline.
(3) summary of the invention
It is an object of the invention to for problem present in above-mentioned technology, it is provided that a kind of environmental protection, long-life, joint
Can, in the permanent non-oxidizability keeping lubricating oil, while detergent-dispersant performance, promote the wear-resistant and anti-of lubricating oil
Extreme pressure effect.The permanent service requirement keeping plant equipment, combination property is higher, and cost is reasonable, preparation side
Case science is practical, a kind of complete synthesis overlength drain period hydraulic oil of manufacture method.
Technical scheme:
A kind of complete synthesis overlength drain period hydraulic oil, it is characterised in that: by synthetic base oil, antioxidant,
Detersive, dispersant, rust oxidation, anti-foaming agent, metal deactivator, demulsifying agent, antiwear additive, anti-
Extreme pressure agent, viscosity index improver, pour-point depressant composition, described base oil are PAO 150, PAO 6,250N
III, described antioxidant be 2.6-di-t-butyl mixed phenol, described detersive be alkyl sodium salicylate, institute
The dispersant stated be mono alkenyl succimide, described rust oxidation be alkyl acid derivative, institute
The anti-foaming agent stated be polydimethylsiloxane, described metal deactivator be 2-mercaptobenzothiazole, described
Demulsifying agent be poly-alkoxyl polyol, described antiwear additive be that phosphorodithioate, described anti-extreme pressure agent are
Molybdenum bisuphide, described viscosity index improver be styrene diene copolymer, described pour-point depressant be poly-first
Base acrylate.The percentage by weight of each component is: antioxidant 1-2.8%；Detersive 0.8-2%；Dispersant
0.7-2%；Rust oxidation 0.2-0.5%；Anti-foaming agent 0.05-0.2%；Metal deactivator 0.1-0.5%；Broken
Emulsifying agent 0.1-0.6%；Antiwear additive 0.2-0.8%；Anti-extreme pressure agent 0.1-0.5%；Viscosity index improver
2-3.8%；Pour-point depressant 0.1-0.3 surplus is synthetic base oil.
A kind of complete synthesis overlength drain period hydraulic oil, it is characterised in that: base oil is PAO 150 and PAO 6
Two kinds of component compositions, the weight quota of two kinds of components is 2: 1 or 3: 1.Also can be by PAO 150 and PAO6
Any one component of two kinds of components and 250N III, PAO150 and PAO6 mixes, three kinds of components
Weight quota is 1: 1: 1.Also can be mixed by any two kinds of components of PAO150 and 250N III, two
The weight quota planting component is 1: 4.
A kind of complete synthesis overlength drain period hydraulic oil, it is characterised in that: basal liquid be PAO150, PAO 6,
Any one component composition in 250N III, it is possible to by any in III of PAO150, PAO 6 and 250N
Two kinds of components and three kinds of component combine form, and the weight quota of two kinds and three kinds components does not limits.
A kind of complete synthesis overlength drain period hydraulic oil manufacture method, it is characterised in that: first base oil is heated
And control temperature between 55-65 DEG C, add antioxidant, detersive, dispersant, rust oxidation, anti-bubble
Agent, metal deactivator, demulsifying agent, antiwear additive, anti-extreme pressure agent, viscosity index improver, pour-point depressant mix
Close uniformly and maintain the temperature between 55-65 °, stirring 120-180 minute, after filtration, i.e. go out product of the present invention.
A kind of complete synthesis overlength drain period hydraulic oil, it is characterised in that: the present invention program is equally applicable to internal combustion
Machine oil, hydraulic oil, gear oil, gear box oil, industrial lubricant, farm machinery lubricating oil.
Advantages of the present invention: fabrication scheme of the present invention is simple, the product prepared is less than other like product prices,
Quality is high, the properties requirement of the effective General Promotion lubricating oil of energy.At General Promotion lubricating oil antioxidation,
Anticorrosive, peace and quiet dispersion, anti-foaming, antirust, while oil resistant mud produces, promote to greatest extent, anti-
Grind anti-extreme pressure effect.Overlength extends hydraulic oil and uses the cycle, reduces plant equipment noise, reduces energy consumption.
Surmount existing like product environmental requirement completely.
This product also has the advantage that high viscosity index (HVI), heat stability, pour point are low, excellent wear-resistant,
There is the low temperature flow of excellence, remarkable shear resistant.Use special synthetic base oil, extend profit
Lubricating oil and service life of gear.High temperature resistant.Have excellence antirust, antioxygenic property, to bronze, pyrite,
Iron and steel plays corrosion protection effect, elongate member life-span.
This product meets and surmounts following standard:
● Denison HF-0, HF-1, HF-2
● Vickers M-2950-S, I-286-S
●Cincinati P-70
● DIN 51524 Part II
Complete synthesis overlength drain period hydraulic oil typical data
(4) detailed description of the invention
Embodiment 1
A kind of complete synthesis overlength drain period hydraulic oil, by synthetic base oil, antioxidant, detersive, dispersion
Agent, rust oxidation, anti-foaming agent, metal deactivator, demulsifying agent, antiwear additive, anti-extreme pressure agent, viscosity
Index improver, pour-point depressant form, and base oil is PAO150 and two kinds of components of PAO6 mix, two kinds
The weight quota ratio of component is 3: 1.Antioxidant be 2.6-di-t-butyl mixed phenol, detersive be alkylated salicylamide
Acid calcium, dispersant be mono alkenyl succimide, rust oxidation be alkyl acid derivative, anti-foaming agent
For polydimethylsiloxane, metal deactivator be 2-mercaptobenzothiazole, demulsifying agent be poly-alkoxyl polyol,
Antiwear additive be phosphorodithioate, anti-extreme pressure agent be molybdenum bisuphide, viscosity index improver be styrene diene
Copolymer, pour-point depressant are that the weight quota ratio of polymethacrylates each component is: base oil 90.4%, antioxygen
Agent 2.8%, detersive 0.8%, dispersant 2%, rust oxidation 0.2%, anti-foaming agent 0.2%, metal deactivating
Agent 0.1%, demulsifying agent 0.5%, antiwear additive 0.2%, anti-extreme pressure agent 0.5%, viscosity index improver 2%,
Base oil is heated and controls temperature between 60-65 DEG C by pour-point depressant 0.3%, stirs 30 minutes, is cooled to
Between 55-60 DEG C, then by antioxidant, detersive, dispersant, rust oxidation, anti-foaming agent, metal deactivating
Agent, demulsifying agent, antiwear additive, anti-extreme pressure agent, viscosity index improver, pour-point depressant should be increased the weight of by each component
Amount percentage scale adds agitator mix homogeneously, keeps temperature between 60-65 DEG C, stirs 180 minutes,
This product is i.e. gone out after filtration.
This product and other like products are tested contrast and actual Comparison study draw following results:
1. anti-oxidation efficacy promotes more than 2.0 times.
The most anticorrosive effect promotes more than 2.0 times.
The most wear-resistant effect promotes more than 4.0 times.
The most anti-extreme pressure effect promotes more than 3.5 times.
5. prolongation drain period more than 3 times.
6. comprehensive effect promotes about 4 times.
Embodiment 2
A kind of complete synthesis overlength drain period hydraulic oil, by base oil, antioxidant, detersive, dispersant,
Rust oxidation, anti-foaming agent, metal deactivator, demulsifying agent, antiwear additive, anti-extreme pressure agent, viscosity index (VI)
Modifier, pour-point depressant form, and base oil is PAO 150 and PAO 6, and tri-kinds of components of 250N III mix,
The weight quota ratio of three kinds of components is 1: 1: 1.Antioxidant is that 2.6-di-t-butyl mixed phenol, detersive are
Alkyl sodium salicylate, dispersant be mono alkenyl succimide, rust oxidation be alkyl acid derivative,
Anti-foaming agent be polydimethylsiloxane, metal deactivator be 2-mercaptobenzothiazole, demulsifying agent be poly-alcoxyl
Quito alcohol, antiwear additive be phosphorodithioate, anti-extreme pressure agent be molybdenum bisuphide, viscosity index improver be benzene
Ethylene diene copolymer, pour-point depressant are that the weight quota ratio of polymethacrylates each component is: base oil
89.2%, antioxidant 1%, detersive 2%, dispersant 0.7%, rust oxidation 0.5%, anti-foaming agent 0.2%,
Metal deactivator 0.5%, demulsifying agent 0.6%, antiwear additive 0.7%, anti-extreme pressure agent 0.5%, viscosity index (VI) change
Enter agent 3.8%, pour-point depressant 0.3% heated by above-mentioned base oil and control temperature between 60-65 DEG C, stir 30
Minute, be cooled between 55-60 DEG C, by antioxidant, detersive, dispersant, rust oxidation, anti-foaming agent,
Metal deactivator, demulsifying agent, antiwear additive, anti-extreme pressure agent, viscosity index improver, pour-point depressant press each group
Part should add weight percentage scale and add agitator mix homogeneously, keeps temperature between 60-65 DEG C, stirs
180 minutes, after filtration, i.e. go out this product.
This product and other like products are tested contrast and actual Comparison study draw following results:
1. anti-oxidation efficacy promotes more than 2.5 times.
The most anticorrosive effect promotes more than 3.6 times.
The most wear-resistant effect promotes more than 4.5 times.
The most anti-extreme pressure effect promotes more than 5.0 times.
5. prolongation drain period more than 5 times.
6. comprehensive effect promotes about 6 times.
Claims (4)
1. a complete synthesis overlength drain period hydraulic oil, it is characterised in that: by base oil, antioxidant, clear
Net agent, dispersant, rust oxidation, anti-foaming agent, metal deactivator, demulsifying agent, antiwear additive, anti-pole
Pressure agent, viscosity index improver, pour-point depressant composition；Described base oil is PAO 150, PAO 6,250N III,
Described antioxidant be 2.6-di-t-butyl mixed phenol, described detersive be alkyl sodium salicylate, described
Dispersant be mono alkenyl succimide, described rust oxidation be alkyl acid derivative, described
Anti-foaming agent be polydimethylsiloxane, described metal deactivator be 2-mercaptobenzothiazole, described breakdown of emulsion
Agent be poly-alkoxyl polyol, described antiwear additive be phosphorodithioate, described anti-extreme pressure agent be two sulfur
Change molybdenum, described viscosity index improver is styrene diene copolymer, described pour-point depressant is poly-methyl-prop
Olefin(e) acid ester.The percentage by weight of each component is: antioxidant 1-2.8%；Detersive 0.8-2%；Dispersant 0.7-2%；
Rust oxidation 0.2-0.5%；Anti-foaming agent 0.05-0.2%；Metal deactivator 0.1-0.5%；Demulsifying agent
0.1-0.6%；Antiwear additive 0.2-0.8%；Anti-extreme pressure agent 0.1-0.5%；Viscosity index improver 2-3.8%；Fall
Solidifying agent 0.1-0.3 surplus is synthetic base oil.
One the most according to claim 1 complete synthesis overlength drain period hydraulic oil, it is characterised in that: base
Plinth oil is 150 and PAO 6 two kinds of component compositions of PAO, and the weight quota of two kinds of components is 2: 1 or 3: 1.
Also can be by 150 and PAO6 two kinds of components of PAO and any one component of 250N III, PAO150 and PAO6
Mixing, the weight quota of three kinds of components is 1: 1: 1.Also can any by PAO150 and 250N III
Two kinds of components mix, and the weight quota of two kinds of components is 1: 4.
One the most according to claim 1 complete synthesis overlength drain period hydraulic oil, it is characterised in that:
Basal liquid is PAO150, PAO 6, any one component composition in 250N III, it is possible to by PAO150,
Any two kinds of components and three kinds of component combine in PAO 6 and 250N III form, the weight of two kinds and three kinds components
Amount share does not limits.
One the most according to claim 1 complete synthesis overlength drain period hydraulic oil manufacture method, it is special
Levy and be: first base oil heated and control temperature between 55-65 DEG C, add antioxidant, detersive,
Dispersant, rust oxidation, anti-foaming agent, metal deactivator, demulsifying agent, antiwear additive, anti-extreme pressure agent,
Viscosity index improver, pour-point depressant mix homogeneously also maintain the temperature between 55-65 °, and stirring 120-180 divides
Clock, i.e. goes out product of the present invention after filtration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410779056.1A CN105886071A (en) | 2014-12-17 | 2014-12-17 | Total-synthesis hydraulic oil with super-long oil change period |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410779056.1A CN105886071A (en) | 2014-12-17 | 2014-12-17 | Total-synthesis hydraulic oil with super-long oil change period |
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| CN105886071A true CN105886071A (en) | 2016-08-24 |
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| CN201410779056.1A Pending CN105886071A (en) | 2014-12-17 | 2014-12-17 | Total-synthesis hydraulic oil with super-long oil change period |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106381207A (en) * | 2016-08-31 | 2017-02-08 | 东营市昊铭润滑科技有限公司 | Diesel engine lubricating oil with long replacing period and preparation method thereof |
| CN106833840A (en) * | 2016-12-30 | 2017-06-13 | 上海禾泰特种润滑科技股份有限公司 | Multistage antiwear hydraulic oil composition and preparation method thereof |
| CN107057816A (en) * | 2017-05-12 | 2017-08-18 | 邢台禾大科技开发有限公司 | Synthetic hydraulic fluid |
| CN107164040A (en) * | 2017-05-12 | 2017-09-15 | 邢台禾大科技开发有限公司 | One kind synthesis turbo-engine lube |
| CN108034484A (en) * | 2017-12-30 | 2018-05-15 | 杭州天丰润滑油有限公司 | A kind of lubricating oil |
| CN108048190A (en) * | 2017-12-07 | 2018-05-18 | 淮北市中芬矿山机器有限责任公司 | A kind of antiwear hydraulic oil |
| CN108048188A (en) * | 2017-12-30 | 2018-05-18 | 深圳市前海龙达新能源有限公司 | A kind of anti-ammoniacal liquor pressure oils of 46# and preparation method thereof |
| CN111019743A (en) * | 2019-11-15 | 2020-04-17 | 山西潞安矿业(集团)有限责任公司 | Coal-based total-synthesis low-temperature hydraulic oil and preparation method thereof |
| CN111394159A (en) * | 2020-03-30 | 2020-07-10 | 郑州市久润润滑油有限责任公司 | Economical gasoline engine oil SN5W/30 and preparation method thereof |
| CN112175691A (en) * | 2020-11-03 | 2021-01-05 | 东莞市惠通能源有限公司 | Functional lubricating oil with good comprehensive performance and processing technology |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110136714A1 (en) * | 2006-06-06 | 2011-06-09 | Exxonmobil Research And Engineering Company | High Viscosity Novel Base Stock Lubricant Viscosity Blends |
| CN102822324A (en) * | 2010-03-26 | 2012-12-12 | 株式会社Adeka | Lubricant composition |
| CN102952617A (en) * | 2012-11-02 | 2013-03-06 | 北京欧陆宝石化产品有限公司 | Hydraulic-transmission-braking three-use lubricating oil composition |
| CN103571593A (en) * | 2013-11-12 | 2014-02-12 | 广西大学 | All-purpose lubricant for combined forest harvester |
| CN103666705A (en) * | 2013-12-14 | 2014-03-26 | 广西大学 | Castor-oil-based rust-proof non-stain hydraulic fluid |
| CN104059741A (en) * | 2014-07-02 | 2014-09-24 | 宝捷润滑油镇江有限公司 | Industrial hydraulic oil and preparing method thereof |
-
2014
- 2014-12-17 CN CN201410779056.1A patent/CN105886071A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110136714A1 (en) * | 2006-06-06 | 2011-06-09 | Exxonmobil Research And Engineering Company | High Viscosity Novel Base Stock Lubricant Viscosity Blends |
| CN102822324A (en) * | 2010-03-26 | 2012-12-12 | 株式会社Adeka | Lubricant composition |
| CN102952617A (en) * | 2012-11-02 | 2013-03-06 | 北京欧陆宝石化产品有限公司 | Hydraulic-transmission-braking three-use lubricating oil composition |
| CN103571593A (en) * | 2013-11-12 | 2014-02-12 | 广西大学 | All-purpose lubricant for combined forest harvester |
| CN103666705A (en) * | 2013-12-14 | 2014-03-26 | 广西大学 | Castor-oil-based rust-proof non-stain hydraulic fluid |
| CN104059741A (en) * | 2014-07-02 | 2014-09-24 | 宝捷润滑油镇江有限公司 | Industrial hydraulic oil and preparing method thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106381207A (en) * | 2016-08-31 | 2017-02-08 | 东营市昊铭润滑科技有限公司 | Diesel engine lubricating oil with long replacing period and preparation method thereof |
| CN106833840A (en) * | 2016-12-30 | 2017-06-13 | 上海禾泰特种润滑科技股份有限公司 | Multistage antiwear hydraulic oil composition and preparation method thereof |
| CN107057816A (en) * | 2017-05-12 | 2017-08-18 | 邢台禾大科技开发有限公司 | Synthetic hydraulic fluid |
| CN107164040A (en) * | 2017-05-12 | 2017-09-15 | 邢台禾大科技开发有限公司 | One kind synthesis turbo-engine lube |
| CN108048190A (en) * | 2017-12-07 | 2018-05-18 | 淮北市中芬矿山机器有限责任公司 | A kind of antiwear hydraulic oil |
| CN108034484A (en) * | 2017-12-30 | 2018-05-15 | 杭州天丰润滑油有限公司 | A kind of lubricating oil |
| CN108048188A (en) * | 2017-12-30 | 2018-05-18 | 深圳市前海龙达新能源有限公司 | A kind of anti-ammoniacal liquor pressure oils of 46# and preparation method thereof |
| CN108034484B (en) * | 2017-12-30 | 2021-04-06 | 杭州天丰润滑油有限公司 | Lubricating oil |
| CN111019743A (en) * | 2019-11-15 | 2020-04-17 | 山西潞安矿业(集团)有限责任公司 | Coal-based total-synthesis low-temperature hydraulic oil and preparation method thereof |
| CN111394159A (en) * | 2020-03-30 | 2020-07-10 | 郑州市久润润滑油有限责任公司 | Economical gasoline engine oil SN5W/30 and preparation method thereof |
| CN112175691A (en) * | 2020-11-03 | 2021-01-05 | 东莞市惠通能源有限公司 | Functional lubricating oil with good comprehensive performance and processing technology |
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Addressee: Tianjin Century Valaveline Petroleum Co., Ltd. Document name: Notification of Publication of the Application for Invention |
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Addressee: Tianjin Century Valaveline Petroleum Co., Ltd. Document name: Notification of before Expiration of Request of Examination as to Substance |
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Application publication date: 20160824 |