CN102827671A - Antiwear lithium base grease composition - Google Patents
Antiwear lithium base grease composition Download PDFInfo
- Publication number
- CN102827671A CN102827671A CN2012103036805A CN201210303680A CN102827671A CN 102827671 A CN102827671 A CN 102827671A CN 2012103036805 A CN2012103036805 A CN 2012103036805A CN 201210303680 A CN201210303680 A CN 201210303680A CN 102827671 A CN102827671 A CN 102827671A
- Authority
- CN
- China
- Prior art keywords
- base oil
- stearic acid
- high sulfur
- lithium soap
- grease
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Lubricants (AREA)
Abstract
The invention relates to an antiwear lithium base grease composition which comprises the following components: 3.2 to 8.2 % of 12-OH lithium stearate soap, 0.8 to 2.0 % of lithium stearate soap, 89.0 to 95.8 % of mineral base oil containing high sulfur and 0.2 to 0.8 % of diphenylamine. The composition is characterized by using the mineral base oil containing high sulfur to prepare the ntiwear lithium base grease. The product has small diameter of wearing crack in four-ball testing and good anti-attrition effect, can effectively improve friction and wearing situations when machinery equipment runs, and can be used for lubrication of automobile, engineering machinery and other machinery equipment.
Description
Technical field
The invention belongs to technical field of lubricating grease, particularly relate to a kind of wear-resistant compound lithium base grease.
Background technology
Railway grease is a kind of viscosifying agent to be scattered in the base oil, adds various additives again and semi-fluid to the semi-solid paste that obtains.Its major function is anti-attrition, protection and sealing.In order to improve the antifriction effect of railway grease, normally in railway grease, add the organic or inorganic compound of various sulfur-bearings, phosphorus, molybdenum, lead and other elements, like sulfuration Oleum Gossypii semen, sulfide isobutene, tritolyl phosphate, molybdenumdisulphide, graphite, lead naphthenate etc.These compounds all are by the wear preventive additive that extensively adopts in railway grease.
Improving the approach of lithium soap grease anti-attrition property, mainly is to realize through the anti-friction composition that in lithium saponify, adds various sulfur-bearings, phosphorus, boron, molybdenum, lead and other elements at present both at home and abroad.But this compounds also tends to bring some spinoffs when improving railway grease anti-attrition ability.As vulcanize Oleum Gossypii semen and make lithium soap grease structural stability variation, can increase the branch oil mass of railway grease when using or store; Sulfide isobutene brings irritating smell to railway grease; Tritolyl phosphate, lead naphthenate etc. have certain toxicity, belong to the product that progressively is eliminated or limits use in the world; Graphite, molybdenumdisulphide can make the lithium soap grease black in color, bring certain pollution to product, influence apparent condition.In addition, add the manufacturing cost that anti-friction composition has also increased railway grease to a certain extent.
CN101096611A " antifriction antiwear lubricating grease composition "; Proposition is utilizing calcium soap, calcium complex soap, soda soap, barium soap, compound barium soap, lithium soap, compound lithium soap, aluminium soap, compound aluminium soap, petroleum wax, wilkinite, polyureas, composite polyurea to wait in the railway grease that the conventional base oil of multiviscosisty makes; Through adding the nano titanium oxide of longer chain fatty acid or aliphatic amide finishing, obtain antifriction antiwear lubricating grease composition.
CN89109441.5 " Antifrictional lithium-base composite grease "; Proposed in the compositing lithio ester that three kinds of acid such as hydroxy fatty acid, di-carboxylic acid and hydroxycarboxylic acid are processed; Add one group and contain anti-oxidant, antirust and raising butyrous composite additive, obtain Antifrictional lithium-base composite grease.
CN85100213 " lithium base heavy-duty hyper-pressure lubricating grease "; Proposed in lithium saponify; Add olefine sulfide oleum gossypii seminis, lead naphthenate, benzotriazole stearylamine, dibutyl dithiocaarbamate lead, dibutyl dithiocaarbamate oxygen moly-sulfide etc., obtain having the railway grease of wear-resistant, anti-extreme pressure and water repelling property.
JP 2006-16459 "Lubrication bag Lease composition", proposed the use of fatty acids and hydroxy fatty acid lithium soap, and a certain proportion of the fatty acids and hydroxy fatty acid copper soap, iron soap mixture, through a specific process thickened base oil, to obtain a low coefficient of friction and has excellent lubricating properties of the grease.
Lithium soap grease is by three kinds of colloidal dispersion systems that component is formed such as lipid acid lithium soap, base oil and additives.Through using various additives, improve the antifriction effect of lithium soap grease, be the technological method that generally adopts both at home and abroad.But, utilize the mineral base oil of high sulfur content to prepare wear-resistant lithium soap grease, still there is not public reported.
Summary of the invention
The object of the invention provides a kind of wear-resistant compound lithium base grease for preparing with the mineral base oil of high sulfur content.In this compsn, need not add the anti-friction composition that contains sulphur, phosphorus, boron, molybdenum, lead and other elements.
Wear-resistant compound lithium base grease provided by the invention comprises lipid acid lithium soap viscosifying agent, high sulfur-bearing mineral base oil and amine antioxidants.With the compsn gross weight is benchmark, and each component and percentage composition are:
(1) 12-OH Triple Pressed Stearic Acid lithium soap 3.2～8.8%;
(2) the Triple Pressed Stearic Acid lithium soap 0.8～2.2%;
(3) high sulfur-bearing mineral base oil 88.2～95.8%;
(4) pentanoic 0.2～0.8%.
The preferred composition gross weight is a benchmark, and each component concentration is:
(1) 12-OH Triple Pressed Stearic Acid lithium soap 3.6～8.2%;
(2) the Triple Pressed Stearic Acid lithium soap 0.9～2.1%;
(3) high sulfur-bearing mineral base oil 89.0～95.2%;
(4) pentanoic 0.3～0.7%.
Said 12-OH Triple Pressed Stearic Acid lithium soap is the white powder industrial goods, also can be obtained by 12-OH Triple Pressed Stearic Acid and equimolar monohydrate lithium hydroxide direct reaction.
Said Triple Pressed Stearic Acid lithium soap is the white powder industrial goods, also can be obtained by Triple Pressed Stearic Acid and equimolar monohydrate lithium hydroxide direct reaction.
Said high sulfur-bearing mineral base oil is meant sulphur content ≮ 0.25%, adopts oil reduced pressure distillate and the commercially available mineral base oil that obtain refining through sulfuric acid-carclazyte technology.100 ℃ of kinematic viscosity are 6.0～16.0mm
2/ s, preferred 7.0～14.0mm
2/ s.
Said pentanoic is commercially available industrial goods.
Production technique of the present invention is: 40.0～65.0% high sulfur-bearing mineral base oils are dropped in the still, add 12-OH Triple Pressed Stearic Acid lithium soap and Triple Pressed Stearic Acid lithium soap, stir and heat up; When temperature is raised to 210～220 ℃, stop heating, keep temperature to stir 1～5min; To remain high sulfur-bearing mineral base oil and drop into quick cooled materials in the still, add pentanoic when temperature reaches 140～150 ℃; Stir, can go out still.With obtaining finished product after the three-roll grinder grinding.
Characteristics of the present invention are to have adopted a kind of high-sulphur mineral base oil that has, and make wear-resistant lithium soap grease.This railway grease can make full use of domestic existing base oil resource, can eliminate or improve the detrimentally affect that some anti-friction composition brings to PERFORMANCE OF GREASES simultaneously.The grinding defect diameter of this product four-ball test is little, and antifriction effect is good, and the friction and wear situation in the time of effectively improving the mechanical means running can also reduce the LUBRICATING GREASES cost.Product of the present invention can be used for the lubricated of automobile, engineering machinery and other mechanical means.
Embodiment
The raw material that embodiment adopts can be that industrial product or by product directly obtain, and also can obtain in order to following method: obtained by 12-OH Triple Pressed Stearic Acid and equimolar monohydrate lithium hydroxide direct reaction like 12-OH Triple Pressed Stearic Acid lithium soap; The Triple Pressed Stearic Acid lithium soap is obtained by Triple Pressed Stearic Acid and equimolar monohydrate lithium hydroxide direct reaction.Property of raw material is: high sulfur-bearing mineral base oil is sulphur content ≮ 0.25%, adopts the oil reduced pressure distillate refining and obtain and kinematic viscosity is 6.0～16.0mm through sulfuric acid-carclazyte technology
2The commercially available mineral base oil of/s.Above-mentioned in a word condition can realize the present invention.
Instance 1
Wear-resistant compound lithium base grease, component and mass percent are following:
(1) 12-OH Triple Pressed Stearic Acid lithium soap 6.8%;
(2) the Triple Pressed Stearic Acid lithium soap 1.7%;
(3) high sulfur-bearing mineral base oil 91.0%;
(4) pentanoic 0.5%.
With high sulfur-bearing mineral base oil (0.28%, 100 ℃ of kinematic viscosity 9.6mm of sulphur content
2/ s) 510g drops in the still, adds 12-OH Triple Pressed Stearic Acid lithium soap 68g, Triple Pressed Stearic Acid lithium soap 17g.Heat up and stir, when temperature is raised to 210～220 ℃, stop heating, keep temperature 2min.Stir the high sulfur-bearing mineral base oil 400g of adding, carry out chilling.Temperature adds pentanoic 5g in the time of 140～150 ℃.Stir.Go out still, grind and get final product for three times.The gained capability of lubricating grease is listed in table 1.
Instance 2
Wear-resistant compound lithium base grease, component and mass percent are following:
(1) 12-OH Triple Pressed Stearic Acid lithium soap 8.0%;
(2) the Triple Pressed Stearic Acid lithium soap 2.0%;
(3) high sulfur-bearing mineral base oil 89.6%;
(4) pentanoic 0.4.
With high sulfur-bearing mineral base oil (0.26%, 100 ℃ of kinematic viscosity 11.2mm of sulphur content
2/ s) 500g drops in the still, adds 12-OH Triple Pressed Stearic Acid lithium soap 80g, Triple Pressed Stearic Acid lithium soap 20g.Heat up and stir, when temperature is raised to 210～220 ℃, stop heating, keep temperature 3min.Stir the high sulfur-bearing mineral base oil 396g of adding, carry out chilling.Temperature adds pentanoic 4g in the time of 140～150 ℃.Stir.Go out still, grind and get final product for three times.The gained capability of lubricating grease is listed in table 1.
Instance 3
Wear-resistant compound lithium base grease, component and mass percent are following:
(1) 12-OH Triple Pressed Stearic Acid lithium soap 3.2%;
(2) the Triple Pressed Stearic Acid lithium soap 0.8%;
(3) high sulfur-bearing mineral base oil 95.8%;
(4) pentanoic 0.2%.
With high sulfur-bearing mineral base oil (0.25%, 100 ℃ of kinematic viscosity 6.0mm of sulphur content
2/ s) 383g drops in the still, adds 12-OH Triple Pressed Stearic Acid lithium soap 32g, Triple Pressed Stearic Acid lithium soap 8g.Stir and heat up, when temperature is raised to 210～220 ℃, stop heating, keep temperature 5min.Stir the high sulfur-bearing mineral base oil 575g of adding, carry out chilling.Temperature adds pentanoic 2g in the time of 140～150 ℃.Stir.Go out still, grind and get final product for three times.The gained capability of lubricating grease is listed in table 1.
Instance 4
Wear-resistant compound lithium base grease, component and mass percent are following:
(1) 12-OH Triple Pressed Stearic Acid lithium soap 8.8%;
(2) the Triple Pressed Stearic Acid lithium soap 2.2%;
(3) high sulfur-bearing mineral base oil 88.2%;
(4) pentanoic 0.8%.
With high sulfur-bearing mineral base oil (0.29%, 100 ℃ of kinematic viscosity 16mm of sulphur content
2/ s) 573g drops in the still, adds 12-OH Triple Pressed Stearic Acid lithium soap 88g, Triple Pressed Stearic Acid lithium soap 22g.Heat up and stir, when temperature is raised to 210～220 ℃, stop heating, keep temperature 3min.Stir adding mineral base oil 309g, carry out chilling.Temperature adds pentanoic 8g in the time of 140～150 ℃.Stir.Go out still, grind and get final product for three times.The gained capability of lubricating grease is listed in table 1.
Instance 5
Wear-resistant compound lithium base grease, component and mass percent are following:
(1) 12-OH Triple Pressed Stearic Acid lithium soap 3.6%;
(2) the Triple Pressed Stearic Acid lithium soap 0.9%;
(3) high sulfur-bearing mineral base oil 95.2%;
(4) pentanoic 0.3%.
With high sulfur-bearing mineral base oil (0.26%, 100 ℃ of kinematic viscosity 7.0mm of sulphur content
2/ s) 428g drops in the still, adds 12-OH Triple Pressed Stearic Acid lithium soap 36g, Triple Pressed Stearic Acid lithium soap 9g.Heat up and stir, when temperature is raised to 210～220 ℃, stop heating, keep temperature 3min.Stir the high sulfur-bearing mineral base oil 524g of adding, carry out chilling.Temperature adds pentanoic 3g in the time of 140～150 ℃.Stir.Go out still, grind and get final product for three times.The gained capability of lubricating grease is listed in table 1.
Instance 6
Wear-resistant compound lithium base grease, component and mass percent are following:
(1) 12-OH Triple Pressed Stearic Acid lithium soap 8.2%;
(2) the Triple Pressed Stearic Acid lithium soap 2.1%;
(3) high sulfur-bearing mineral base oil 89.0%;
(4) pentanoic 0.7%.
With high sulfur-bearing mineral base oil (0.31%, 100 ℃ of kinematic viscosity 14.0mm of sulphur content
2/ s) 520g drops in the still, adds 12-OH Triple Pressed Stearic Acid lithium soap 82g, Triple Pressed Stearic Acid lithium soap 21g.Heat up and stir, when temperature is raised to 210～220 ℃, stop heating, keep temperature 1min.Stir the high sulfur-bearing mineral base oil 370g. of adding and carry out chilling.Temperature adds pentanoic 7g in the time of 140～150 ℃.Stir.Go out still, grind and get final product for three times.The gained capability of lubricating grease is listed in table 1.
Comparative Examples 1
For No. 3 commercially available lithium soap greases, process by lipid acid lithium soap, common mineral base oil etc.Its performance is listed in table 1.
Comparative Examples 2
For No. 00 commercially available lithium soap grease, process by lipid acid lithium soap, common mineral base oil etc.Its performance is listed in table 1.
Comparative Examples 3
Be commercially available graphitiferous No. 2 wear-resistant lithium soap greases.Its performance is listed in table 1.
Table 1
The railway grease abrasion resistance can adopt SH/T 0204 " railway grease abrasion resistance assay method (four-ball tester method) " to judge.Test conditions is revolution 1200r/min, load 392N, time 60min.Measure the grinding defect diameter of steel ball after the off-test, and judge the quality of railway grease abrasion resistance with the size of grinding defect diameter.Grinding defect diameter is little, and abrasion resistance is good; And grinding defect diameter is big, shows that then abrasion resistance is poor.Can know through table 1: with commercially available No. 3 and No. 00 lithium soap grease comparison, the product four-ball test grinding defect diameter that the present invention obtains is littler.This abrasion resistance that shows that the present invention obtains product is superior to commercially available No. 3 and No. 00 universal lithium base grease.The present invention obtains comparing with commercially available graphitiferous No. 2 wear-resistant lithium soap greases of product, and four ball milling trace diameters are approaching, show that both have suitable abrasion resistance.In a word, the present invention obtains wear-resistant lithium soap grease, and the grinding defect diameter of four-ball test is little, and antifriction effect is good, friction, abrasive conditions in the time of effectively improving the mechanical means running.Product of the present invention can be used for the lubricated of automobile, engineering machinery and other mechanical means.
Claims (6)
1. wear-resistant compound lithium base grease is characterized in that with the compsn gross weight be benchmark, each component percentage composition:
(1) 12-OH Triple Pressed Stearic Acid lithium soap 3.2～8.8%;
(2) the Triple Pressed Stearic Acid lithium soap 0.8～2.2%;
(3) high sulfur-bearing mineral base oil 88.2～95.8%;
(4) pentanoic 0.2～0.8%.
2. the described a kind of wear-resistant compound lithium base grease of claim 1 is characterized in that with the compsn gross weight be benchmark, each component percentage composition:
(1) 12-OH Triple Pressed Stearic Acid lithium soap 3.6～8.2%;
(2) the Triple Pressed Stearic Acid lithium soap 0.9～2.1%;
(3) high sulfur-bearing mineral base oil 89.0～95.2%;
(4) pentanoic 0.3～0.7%.
3. according to claim 1 or claim 2 compsn is characterized in that said high sulfur-bearing mineral base oil, and is refining and obtain through sulfuric acid-carclazyte technology with the oil reduced pressure distillate.
4. according to claim 1 or claim 2 compsn is characterized in that sulphur content ≮ 0.25% of said high sulfur-bearing mineral base oil.
5. according to claim 1 or claim 2 compsn is characterized in that 100 ℃ of kinematic viscosity of said high sulfur-bearing mineral base oil are 6.0～16.0mm
2/ s.
6. according to claim 1 or claim 2 compsn can be used for comprising mechanical means lubricated of automobile, engineering machinery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210303680.5A CN102827671B (en) | 2012-08-23 | 2012-08-23 | Antiwear lithium base grease composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210303680.5A CN102827671B (en) | 2012-08-23 | 2012-08-23 | Antiwear lithium base grease composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102827671A true CN102827671A (en) | 2012-12-19 |
| CN102827671B CN102827671B (en) | 2014-04-30 |
Family
ID=47330985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210303680.5A Active CN102827671B (en) | 2012-08-23 | 2012-08-23 | Antiwear lithium base grease composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102827671B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104830406A (en) * | 2015-05-14 | 2015-08-12 | 新乡市恒星化工有限责任公司 | Special lubricating grease for Raymond mill and preparation method of special lubricating grease |
| CN105542915A (en) * | 2015-12-23 | 2016-05-04 | 中山大学惠州研究院 | Super-fining treatment method of lubricating material |
| CN112608780A (en) * | 2020-12-07 | 2021-04-06 | 武汉博达特种润滑技术有限公司 | Low-odor automobile lubricating grease composition and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102250670A (en) * | 2011-06-16 | 2011-11-23 | 中国石油化工股份有限公司 | Special lubricating grease composition for steel wire rope |
-
2012
- 2012-08-23 CN CN201210303680.5A patent/CN102827671B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102250670A (en) * | 2011-06-16 | 2011-11-23 | 中国石油化工股份有限公司 | Special lubricating grease composition for steel wire rope |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104830406A (en) * | 2015-05-14 | 2015-08-12 | 新乡市恒星化工有限责任公司 | Special lubricating grease for Raymond mill and preparation method of special lubricating grease |
| CN105542915A (en) * | 2015-12-23 | 2016-05-04 | 中山大学惠州研究院 | Super-fining treatment method of lubricating material |
| CN112608780A (en) * | 2020-12-07 | 2021-04-06 | 武汉博达特种润滑技术有限公司 | Low-odor automobile lubricating grease composition and preparation method thereof |
| CN112608780B (en) * | 2020-12-07 | 2022-07-19 | 武汉博达特种润滑技术有限公司 | Low-odor automobile lubricating grease composition and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102827671B (en) | 2014-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105733753B (en) | Lubricating grease composition for high-speed railway traction motor bearing and preparation method thereof | |
| US8507421B2 (en) | Lubricating greases and process for their production | |
| CN107312598A (en) | A kind of overweight load synthetic gear oil of low temperature | |
| CN105838485B (en) | Lubricant composition and preparation method thereof | |
| CN103484204B (en) | Lubricating grease containing improved silica component and its preparation method | |
| CN101200670A (en) | Composite lithium-base grease and method for making same | |
| CN101838580B (en) | Compound lithium base grease composite and preparation method thereof | |
| CN102690716A (en) | Multifunctional superstrong extreme pressure antiwear lubricating grease and preparation method thereof | |
| CN104164286A (en) | Lubricating grease composition for steering ball joint and preparation method of lubricating grease composition | |
| CN109233959B (en) | Automobile hub bearing lubricating grease composition and preparation method thereof | |
| CN1328362C (en) | Efficient multifunctional lubricant and its prepn | |
| CN102827671B (en) | Antiwear lithium base grease composition | |
| CN102888271A (en) | Rolling bearing lubricating grease composition and preparation method thereof | |
| CN108865339B (en) | Lubricating grease composition for axle box bearing of high-speed motor train unit and preparation method thereof | |
| CN102827677A (en) | Ashless lubricating grease composition and preparation method thereof | |
| CN103484202A (en) | Wear-resistant lithium-based lubricating grease composition | |
| CN108085095B (en) | Pure electric vehicle motor bearing long-life antifriction energy-saving lubricating grease and preparation method thereof | |
| CN113493716B (en) | Lubricating grease composition and preparation method thereof | |
| CN105419906B (en) | A kind of complex lithium grease | |
| CN102766500A (en) | High-base-number compound-sulfonic lithium/calcium composite lubricating grease and preparation method thereof | |
| CN105199817A (en) | Low-temperature lithium-calcium bearing lubricating grease and preparation method | |
| CN103805323A (en) | High-temperature grease and preparation method thereof | |
| CN102827670A (en) | Wire rope lubricating grease composition used in low temperature environment | |
| JP6101184B2 (en) | Grease composition, method for producing the same, and agent for addition to the grease composition | |
| CN102952616A (en) | High temperature high speed oil film bearing oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |