CN104194888A - Castor-based high-base-number synthetic magnesium sulfonate complex lithium-based grease composition - Google Patents
Castor-based high-base-number synthetic magnesium sulfonate complex lithium-based grease composition Download PDFInfo
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- CN104194888A CN104194888A CN201410437258.8A CN201410437258A CN104194888A CN 104194888 A CN104194888 A CN 104194888A CN 201410437258 A CN201410437258 A CN 201410437258A CN 104194888 A CN104194888 A CN 104194888A
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Abstract
The invention discloses a castor-based high-base-number synthetic magnesium sulfonate complex lithium-based grease composition. HVIW650 base oil and castor-based diisodecyl sebacate are complexed to be used as base oil, and multiple complex additives are added. The complex lithium-based grease composition comprises a soap making component 1, a soap making component 2, a soap making component 3, a soap making component 4, a rust inhibitor, an antioxidant, a viscosity index improver and a detergent. The composition disclosed by the invention has high temperature resistance, can bear heavy load, and is antirust multiple-effect environment-friendly grease. Besides, the composition is free of heavy metal and additives harmful to the environment, and has favorable high temperature property, mechanical stability, water resistance, salt rust resistance, rust prevention, corrosion resistance and excellent extreme-pressure abrasion resistance.
Description
Technical field
The invention belongs to lubricating grease field, particularly the synthetic sulfonic acid magnesium compound lithium base grease composite of a kind of castor-oil plant base high base number.
Background technology
Although it is found that as the purification agent of engine oil and the calcium sulfonate with high base number of rust-preventive agent the effect of playing viscosifying agent in lubricating grease that is applied in, but be not widely applied, until the eighties in last century, people have prepared high alkaline calcium sulfonate complex calcium lubricating grease, and its premium properties just must embody.And the synthetic sulfonic acid magnesium of high base number is prepared complex lithium grease and is need further investigation, comprise lubricating grease structure, become sclerosis in fat mechanism, rheological, anti-salt fog, extreme pressure anti-wear, water resisting property, colloid stability, oxidation stability, storage and point oil and the problem such as performance is corresponding with component mutually.The synthetic sulfonic acid magnesium complex lithium grease of high base number be mainly used in high temperature, heavy loading, water drench, antirust and have occasions such as salt fog, must there is resistance to localized hyperthermia, high temperature, can bear heavy burden load, antirust, the environmentally friendly lubricating grease of multiple-effect,, containing heavy metal and environmentally harmful additive, do not there is good high-temperature behavior, mechanical stability, water resisting property, anti-salt rust, corrosion-resisting resisting resistance and outstanding extreme pressure anti-wear.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of high temperature resistant, can bear heavy burden load, antirust, the environmentally friendly lubricating grease of multiple-effect, not containing heavy metal and environmentally harmful additive, there is the synthetic sulfonic acid magnesium compound lithium base grease composite of castor-oil plant base high base number of good high-temperature behavior, mechanical stability, water resisting property, anti-salt rust, corrosion-resisting resisting resistance and extreme pressure anti-wear.
The present invention adopts following technical scheme to solve the problems of the technologies described above:
The synthetic sulfonic acid magnesium compound lithium base grease composite of a kind of castor-oil plant base high base number, adopts HVIW650 base oil and castor-oil plant base DI(2ETHYLHEXYL)SEBACATE compound as base oil, coordinates multiple composite additive, and the mass percent of its each component is:
| Component | Mass percent content |
| Base oil | Surplus |
| Soapmaking component 1 | 6.0％～10.0％ |
| Soapmaking component 2 | 2.0％～3.0％ |
| Soapmaking component 3 | 1.0％～2.0％ |
| Soapmaking component 4 | 9.0％～15.0％ |
| Rust-preventive agent | 0.1％～0.5％ |
| Oxidation inhibitor | 0.3％～0.5％ |
| Viscosity index improver | 2.0％～3.0％ |
| Purification agent | 25.0％～30.0％ |
Base oil is that HVIW650 base oil and 40%～20% the castor-oil plant base DI(2ETHYLHEXYL)SEBACATE of mass ratio 60%～80% is compound.
Soapmaking component 1 is 12-oxystearic acid.
Soapmaking component 2 is boric acid.
Soapmaking component 3 is castor-oil plant base sebacic acid.
Soapmaking component 4 is lithium hydroxides.
Rust-preventive agent is that benzotriazole and 40%～50% the lanolin magnesium soap of mass ratio 60%～50% is compound.
Oxidation inhibitor is that dialkyl diphenylamine and 40%～50% the thiadiazoles derivative of mass ratio 60%～50% is compound.
Viscosity index improver is polyisobutene.
Purification agent is the synthetic sulfonic acid magnesium of high base number.
The remarkable advantage of the synthetic sulfonic acid magnesium compound lithium base grease composite of a kind of castor-oil plant base high base number of the present invention has: be high temperature resistant, can bear heavy burden load, antirust, the environmentally friendly lubricating grease of multiple-effect,, containing heavy metal and environmentally harmful additive, do not there is good high-temperature behavior, mechanical stability, water resisting property, anti-salt rust, corrosion-resisting resisting resistance and outstanding extreme pressure anti-wear.
Embodiment
Embodiment 1:
Each component is in harmonious proportion and is formed by following mass percent:
Embodiment 2:
Each component is in harmonious proportion and is formed by following mass percent:
Embodiment 3:
Each component is in harmonious proportion and is formed by following mass percent:
The key technical indexes of embodiment 1 product:
| Project | Quality index |
| Cone penetration (taking 0.1mm as unit)/unit | 2 |
| Bearing wastage (100 DEG C, 6h)/g | 2.8 |
| Dropping point/DEG C, | 313 |
| Water drenches number of dropouts (79 DEG C, 1h, massfraction), % | 3.7 |
| Preservative property (52 DEG C, 48h) ,/level | 1 |
| Stencil oil-dividing (100 DEG C, 24h, massfraction), % | 2.5 |
| Rubber compatibility (70 DEG C, 168h, NBR-L glue volume change), % | 8.3 |
| Copper corrosion (100 DEG C, 24h) | Qualified |
| High-temperature bearing test (177 DEG C ± 3 DEG C)/h | 425 |
| Oxidation stability (99 DEG C, 100h) Pressure Drop/MPa | 0.036 |
| Four-ball test, P B/N | 1078 |
| Wear scar diameter (1200r/min, 392N, 60min)/mm | 0.78 |
| Resultant wear index (normal temperature, 1770r/min) | 336 |
Claims (10)
1. the synthetic sulfonic acid magnesium compound lithium base grease composite of castor-oil plant base high base number, it is characterized in that: adopt HVIW650 base oil and castor-oil plant base DI(2ETHYLHEXYL)SEBACATE compound as base oil, coordinate multiple composite additive, the mass percent of its each component is:
2. the synthetic sulfonic acid magnesium compound lithium base grease composite of a kind of castor-oil plant base high base number according to claim 1, it is characterized in that, base oil is that HVIW650 base oil and 40%～20% the castor-oil plant base DI(2ETHYLHEXYL)SEBACATE of mass ratio 60%～80% is compound.
3. the synthetic sulfonic acid magnesium compound lithium base grease composite of a kind of castor-oil plant base high base number according to claim 1, is characterized in that, soapmaking component 1 is 12-oxystearic acid.
4. the synthetic sulfonic acid magnesium compound lithium base grease composite of a kind of castor-oil plant base high base number according to claim 1, is characterized in that, soapmaking component 2 is boric acid.
5. the synthetic sulfonic acid magnesium compound lithium base grease composite of a kind of castor-oil plant base high base number according to claim 1, is characterized in that, soapmaking component 3 is castor-oil plant base sebacic acid.
6. the synthetic sulfonic acid magnesium compound lithium base grease composite of a kind of castor-oil plant base high base number according to claim 1, is characterized in that, soapmaking component 4 is lithium hydroxides.
7. the synthetic sulfonic acid magnesium compound lithium base grease composite of a kind of castor-oil plant base high base number according to claim 1, is characterized in that, rust-preventive agent is that benzotriazole and 40%～50% the lanolin magnesium soap of mass ratio 60%～50% is compound.
8. the synthetic sulfonic acid magnesium compound lithium base grease composite of a kind of castor-oil plant base high base number according to claim 1, is characterized in that, oxidation inhibitor is that dialkyl diphenylamine and 40%～50% the thiadiazoles derivative of mass ratio 60%～50% is compound.
9. the synthetic sulfonic acid magnesium compound lithium base grease composite of a kind of castor-oil plant base high base number according to claim 1, is characterized in that, viscosity index improver is polyisobutene.
10. the synthetic sulfonic acid magnesium compound lithium base grease composite of a kind of castor-oil plant base high base number according to claim 1, is characterized in that, purification agent is the synthetic sulfonic acid magnesium of high base number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410437258.8A CN104194888B (en) | 2014-08-30 | A kind of Semen Ricini base high base number synthesis sulfonic acid magnesium compound lithium base grease composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410437258.8A CN104194888B (en) | 2014-08-30 | A kind of Semen Ricini base high base number synthesis sulfonic acid magnesium compound lithium base grease composite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104194888A true CN104194888A (en) | 2014-12-10 |
| CN104194888B CN104194888B (en) | 2017-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105255554A (en) * | 2015-11-23 | 2016-01-20 | 广西大学 | Castor-based conductive extreme pressure lubricating grease composition |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1616612A (en) * | 2003-11-13 | 2005-05-18 | 中国石油化工股份有限公司 | Composite lithium base lubricant and its preparing method |
| CN101200670A (en) * | 2006-12-12 | 2008-06-18 | 中国石油天然气集团公司 | Composite lithium-base grease and method for making same |
| CN101705141A (en) * | 2009-11-18 | 2010-05-12 | 南通山浦润滑油科技有限公司 | Composite lithium grease and preparation method thereof |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1616612A (en) * | 2003-11-13 | 2005-05-18 | 中国石油化工股份有限公司 | Composite lithium base lubricant and its preparing method |
| CN101200670A (en) * | 2006-12-12 | 2008-06-18 | 中国石油天然气集团公司 | Composite lithium-base grease and method for making same |
| CN101705141A (en) * | 2009-11-18 | 2010-05-12 | 南通山浦润滑油科技有限公司 | Composite lithium grease and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105255554A (en) * | 2015-11-23 | 2016-01-20 | 广西大学 | Castor-based conductive extreme pressure lubricating grease composition |
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