CN102925258A - Lubricating grease composition and preparation method thereof - Google Patents
Lubricating grease composition and preparation method thereof Download PDFInfo
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Abstract
The invention provides a lubricating grease composition which comprises 60-68 wt% of poly-alpha-olefin, 10-15 wt% of organic modified bentonite, 1-2 wt% of antioxidant, 0.2-0.5 wt% of rust inhibitor, 0.1-0.4 wt% of corrosion inhibitor, 0.5-1.5 wt% of extreme-pressure antiwear additive and 20-28 wt% of solid lubricant. In the invention, the poly-alpha-olefin is used as the lubricant base oil, the organic modified bentonite is used as the thickener, the antioxidant, rust inhibitor, corrosion inhibitor, extreme-pressure antiwear additive and solid lubricant are added, and the mass percents of the raw materials are respectively controlled within the ranges above, so that the lubricating grease composition has excellent properties within a wide temperature range (-54-177 DEG C), and is suitable for lubricating airplane wheel bearings and other devices in the field of aviation. The invention also provides a preparation method of the lubricating grease composition.
Description
Technical field
The present invention relates to the lubricating grease technical field, particularly a kind of grease composition and preparation method thereof.
Background technology
Lubricating grease mainly is the lubricant from the semi-fluid shape to solid state that is prepared by viscosifying agent multiviscosisty grease base oil, the grease-like petrochemicals of this stiff can be used for the friction portion of machinery, play lubricated and sealing function, also can be used for the metallic surface, rise and fill space and rust inhibition, have widely at each industrial circle and use.Along with the development of industry, each industrial circle is also improving constantly the requirement of PERFORMANCE OF GREASES.
At present, prior art discloses multiple lubricating grease, be that 201010226368.1 Chinese patent literature discloses a kind of bentonite-thickened grease such as application number, it comprises grease base oil, viscosifying agent, polarity dispersion agent, the massfraction ratio of described grease base oil, viscosifying agent and polarity dispersion agent is: (46-190): (4-37.5): (2.2-13.8), described grease base oil is the furfural refining oil of naphthenic base crude; Described viscosifying agent is organobentonite.
Although above-mentioned bentonite-thickened grease has higher oxidation stability, corrosion resistance and special outward appearance, the temperature range of its use is narrower, can not be applicable to the lubricated of equipment such as airplane wheel bearing, engine fittings and fuselage in the aircraft industry field.
Summary of the invention
In order to solve above technical problem, the invention provides a kind of grease composition and preparation method thereof, grease composition provided by the invention has good performance in wide temperature range, can satisfy in the aviation field equipment such as airplane wheel bearing, engine fittings and fuselage to the performance requriements of lubricating grease.
The invention provides a kind of grease composition, comprise:
The poly-alpha olefins of 60wt% ~ 68wt%;
The organic bentonite of 10wt% ~ 15wt%;
The oxidation inhibitor of 1wt% ~ 2wt%;
The rust-preventive agent of 0.2wt% ~ 0.5wt%;
The corrosion inhibitor of 0.1wt% ~ 0.4wt%;
The extreme pressure anti-wear additives of 0.5wt% ~ 1.5wt%;
The solid lubricant of 20wt% ~ 28wt%.
Preferably, the poly-alpha olefins that comprises 62wt% ~ 66wt%.
Preferably, the kinematic viscosity of described poly-alpha olefins under 100 ℃ is 5.7mm
2/ s ~ 6.1mm
2/ s.
Preferably, the organic bentonite that comprises 11wt% ~ 13wt%.
Preferably, described solid lubricant is tetrafluoroethylene and/or potassium borate.
Preferably, described oxidation inhibitor is aromatic amine oxidation inhibitor or phenolic antioxidant.
Preferably, described rust-preventive agent is benzotriazole rust-preventive agent.
Preferably, described corrosion inhibitor is 124 Triazole class corrosion inhibitor.
Preferably, described extreme pressure anti-wear additives is that triphenyl connects even phosphorus vitriol.
The present invention also provides a kind of preparation method of grease composition, may further comprise the steps:
Take by weighing following raw material:
The poly-alpha olefins of 60wt% ~ 68wt%;
The organic bentonite of 10wt% ~ 15wt%;
The oxidation inhibitor of 1wt% ~ 2wt%;
The rust-preventive agent of 0.2wt% ~ 0.5wt%;
The corrosion inhibitor of 0.1wt% ~ 0.4wt%;
The extreme pressure anti-wear additives of 0.5wt% ~ 1.5wt%;
The solid lubricant of 20wt% ~ 28wt%;
Described raw material is mixed, obtain grease composition.
Compared with prior art, grease composition provided by the invention comprises the poly-alpha olefins of 60wt% ~ 68wt%, the organic bentonite of 10wt% ~ 15wt%, the oxidation inhibitor of 1wt% ~ 2wt%, the rust-preventive agent of 0.2wt% ~ 0.5wt%, the corrosion inhibitor of 0.1wt% ~ 0.4wt%, the extreme pressure anti-wear additives of 0.5wt% ~ 1.5wt% and the solid lubricant of 20wt% ~ 28wt%.The present invention is take poly-alpha olefins as lubricant base, take organic bentonite as viscosifying agent, take oxidation inhibitor, rust-preventive agent, corrosion inhibitor, extreme pressure anti-wear additives and solid lubricant as additive, and the mass percent of each raw material is controlled at respectively above-mentioned scope, make the grease composition that obtains in wide temperature range, have good over-all properties, be beneficial to its application in aviation field.Experimental result shows, the excellent property of grease composition provided by the invention in-54 ℃ ~ 177 ℃ temperature ranges.
In addition, the present invention need not to add effectively multigrade oil base oil of the dispersion aidss such as methyl alcohol, ethanol, acetone or propylene carbonate, obtains the grease composition of excellent property, and is easy and simple to handle, is suitable for suitability for industrialized production.
Embodiment
In order further to understand the present invention, below in conjunction with embodiment the preferred embodiment of the invention is described, but should be appreciated that these describe just in order to further specify the features and advantages of the present invention, rather than to the restriction of claim of the present invention.
The invention provides a kind of grease composition, comprise:
The poly-alpha olefins of 60wt% ~ 68wt%;
The organic bentonite of 10wt% ~ 15wt%;
The oxidation inhibitor of 1wt% ~ 2wt%;
The rust-preventive agent of 0.2wt% ~ 0.5wt%;
The corrosion inhibitor of 0.1wt% ~ 0.4wt%;
The extreme pressure anti-wear additives of 0.5wt% ~ 1.5wt%;
The solid lubricant of 20wt% ~ 28wt%.
The present invention adopts organic bentonite multiviscosisty poly-alpha olefins, add the additives such as oxidation inhibitor, rust-preventive agent, corrosion inhibitor, extreme pressure anti-wear additives and solid lubricant, obtain grease composition, it has excellent over-all properties in wide temperature range, can be for medium or large passenger plane in the aviation field.
In the present invention, described grease composition comprises the poly-alpha olefins of 60wt% ~ 68wt%, preferably comprises the poly-alpha olefins of 62wt% ~ 66wt%.Described poly-alpha olefins (PAO) can make by wax cracking, and the alpha-olefin that also can be generated by ethylene oligomerization makes through catalytic oligomerization and through hydrogenation is saturated.In the present invention, the kinematic viscosity of described poly-alpha olefins under 100 ℃ is preferably 5.7mm
2/ s ~ 6.1mm
2/ s.The present invention adopts described poly-alpha olefins as the lubricant base of lubricating grease, it has unique ordered structure, given its many remarkable character that are different from mineral wet goods lubricant base, such as the low-temperature performance of excellence, fabulous thermal oxidation stability and shear stability etc., be beneficial to the over-all properties of improving lubricating grease.
Described grease composition comprises the organic bentonite of 10wt% ~ 15wt%, preferably comprises the organic bentonite of 11wt% ~ 13wt%.The present invention does not have particular restriction to described organic bentonite, it is generally quaternary ammonium salt-modified wilkinite, namely, utilize the lamellar structure of montmorillonite in the wilkinite and can in water or organic solvent, be dispersed into the characteristic of colloid clay, in wilkinite, insert quaternary ammonium salt such as dimethyl stearyl benzyl ammonium chloride by ion exchange technique, make organic bentonite after fully disperseing.Described organic bentonite can form gel in all kinds of organic solvents, oils and liquid resin, have good thickening property, thixotropy, suspension stability, high-temperature stability, oilness, film-forming properties, water tolerance and chemical stability.The present invention adopts the described poly-alpha olefins of described organic bentonite multiviscosisty, makes lubricating grease have that dropping point is higher, chemical stability good and the advantage such as abrasion resistance is good.
In addition, need not to comprise on the basis of the dispersion aidss such as methyl alcohol, ethanol, acetone or propylene carbonate at described grease composition, described organic bentonite can play effective densification to described poly-alpha-olefin, is beneficial to processing and the use of oil product.
Described grease composition comprises the oxidation inhibitor of 1wt% ~ 2wt%, preferably comprises the oxidation inhibitor of 1.2wt% ~ 1.8wt%.Described oxidation inhibitor can suppress or delay superpolymer and the thermooxidizing in air of other organic compound, it mainly comprises aromatic amine oxidation inhibitor such as IRGANOX L06 oxidation inhibitor and IRGANOX L01 oxidation inhibitor etc., and such as the types such as phenolic antioxidant of IRGANOXL101 oxidation inhibitor.In the present invention, described oxidation inhibitor is preferably aromatic amine oxidation inhibitor or phenolic antioxidant, more preferably aromatic amine oxidation inhibitor.Described aromatic amine oxidation inhibitor is less to the structure deteriorate of wilkinite viscosifying agent, and is therefore less on the consistency of grease impact; Simultaneously, described poly-alpha olefins is good especially to the susceptibility of described aromatic amine oxidation inhibitor, and a small amount of aromatic amine oxidation inhibitor can make described grease composition have preferably anti-oxidative stability.
Described grease composition comprises the rust-preventive agent of 0.2wt% ~ 0.5wt%, preferably comprises the rust-preventive agent of 0.3wt% ~ 0.4wt%.Described rust-preventive agent can brute force infiltrate in iron rust, erosion and the greasy dirt, thereby easily removes rusty stain and erosion, plays infiltration rust cleaning, loosening effect of lubricating, resisting corrosion and protection metal.Described rust-preventive agent comprises inorganic inhibitor, such as Sodium Nitrite, also comprises organic corrosion inhibitor, such as imidazolines rust-preventive agent, benzotriazole rust-preventive agent and acyl group sarkosine etc.In the present invention, described rust-preventive agent is preferably benzotriazole rust-preventive agent, and such as T706 rust-preventive agent, its susceptibility to the wilkinite viscosifying agent is better, on the nothing impact of structure of wilkinite viscosifying agent, thus less on the denseness impact of described grease composition.
Described grease composition comprises the corrosion inhibitor of 0.1wt% ~ 0.4wt%, preferably comprises the corrosion inhibitor of 0.2wt% ~ 0.3wt%.Described corrosion inhibitor also can be called metal passivator, can stop the autoxidation of the lubricated wet goods oil product of metal pair to play a driving role, it can be divided into mineral-type corrosion inhibitor, organic corrosion inhibitor such as 124 Triazole class corrosion inhibitor and thiadiazole corrosion inhibitor etc.In the present invention, described corrosion inhibitor is preferably 124 Triazole class corrosion inhibitor, such as the T551 corrosion inhibitor.
Described grease composition comprises the extreme pressure anti-wear additives of 0.5wt% ~ 1.5wt%, preferably comprises the extreme pressure anti-wear additives of 0.8wt% ~ 1.2wt%.The effect of described extreme pressure anti-wear additives in lubricating grease is to improve oil film strength, reduce direct contact between the metal and wear prevention, when plus load further increases, the oil film that lubricating grease provides can break, this moment, chemical reaction can occur with the metallic surface in extreme pressure anti-wear additives, generate one deck chemical film, thereby further lubrication is provided.Described extreme pressure anti-wear additives is sulfocompound, P contained compound, chlorine-containing compound, lead-containing compounds or molybdenum compound mostly, uses and generally different types of extreme pressure anti-wear additives is mixed, and performance is better.The present invention does not have particular restriction to described extreme pressure anti-wear additives, is preferably triphenyl and connects even phosphorus vitriol, such as IRGALUBE TPP extreme pressure anti-wear additives, has the excellent advantages such as thermostability, is beneficial to application.
Described grease composition comprises the solid lubricant of 20wt% ~ 28wt%, preferably comprises the solid lubricant of 22wt% ~ 26wt%.Described solid lubricant is the solid matter with lubrication, and the present invention does not have particular restriction to it, is preferably tetrafluoroethylene and/or potassium borate.Wherein, described tetrafluoroethylene is preferably superfine powder of polytetrafluoroethylene, and its median size is less than 5 μ m, and specific surface area is greater than 10m
2/ g, oilness is good, can be dispersed in well in many materials, is more conducive to improve the over-all properties of described grease composition.
The present invention also provides a kind of preparation method of grease composition, may further comprise the steps:
Take by weighing following raw material:
The poly-alpha olefins of 60wt% ~ 68wt%;
The organic bentonite of 10wt% ~ 15wt%;
The oxidation inhibitor of 1wt% ~ 2wt%;
The rust-preventive agent of 0.2wt% ~ 0.5wt%;
The corrosion inhibitor of 0.1wt% ~ 0.4wt%;
The extreme pressure anti-wear additives of 0.5wt% ~ 1.5wt%;
The solid lubricant of 20wt% ~ 28wt%;
Described raw material is mixed, obtain grease composition.
According to above-mentioned mass percent, the present invention takes by weighing respectively each raw material, through mixing, obtains grease composition.Each raw material is consistent with raw material mentioned above, does not repeat them here.The present invention does not have particular restriction to described stirring.
In the present invention, described mixing preferably is specially:
The organic bentonite of the poly-alpha olefins of 60wt% ~ 68wt%, 10wt% ~ 15wt% added in fat still processed mix, stirring at room 5 minutes ~ 15 minutes is warming up to 130 ℃ ± 5 ℃, and constant temperature stirring 30 minutes ~ 40 minutes obtains the first mixture;
The solid lubricant that adds 20wt% ~ 28wt% in fat still processed mixes with described the first mixture, stirs 5 minutes ~ 15 minutes, obtains the second mixture;
Continuation adds the oxidation inhibitor of 1wt% ~ 2wt%, the rust-preventive agent of 0.2wt% ~ 0.5wt%, the extreme pressure anti-wear additives of 0.5wt% ~ 1.5wt% in fat still processed, mix with described the second mixture, stirs 5 minutes ~ 15 minutes, is cooled to below 80 ℃, obtains the 3rd mixture;
The corrosion inhibitor that adds at last 0.1wt% ~ 0.4wt% in fat still processed mixes with described the 3rd mixture, stirs and carries out the homogenizing processing after 5 minutes ~ 15 minutes, obtains the grease composition of smooth exquisiteness.
The preparation method of grease composition provided by the invention is simple and easy to do, is easy to promote.
After obtaining grease composition, the present invention carries out performance test to it.The present invention adopts infrared spectroscopy to analyze the component of described grease composition, the test result demonstration, and poly-alpha olefins, wilkinite and silicone oil are the main ingredient of described grease composition.Described grease composition no foul smell, fragrance and ethanol flavor.
According to CNS GB/T3498-2008 " lubricating grease wide temperature range dropping point assay method ", the present invention measures the dropping point of described grease composition.According to CNS GB/T269-1991 " lubricating grease and petrolatum cone penetration assay method ", the present invention measures respectively described grease composition standard operation and prolongs the denseness of work for 100,000 times, take 0.1mm as standard.According to CNS GB/T7326-1987 " lubricating grease copper strip test method ", the present invention carries out corrosion test to described grease composition, and test condition is: adopt T2 copper, temperature is 100 ℃, and the time is 24 hours.According to petroleum chemical industry standard SH/T0109-1992 " Lubricating Greases water washout characteristics pipette method ", the present invention carries out the water resistant test to described grease composition, and probe temperature is 41 ℃ ± 1 ℃, and the test duration is 1 hour.According to CNS GB/T7325-1987 " lubricating grease and lubricating oil evaporation loss assay method ", the present invention carries out high temperature evaporation to described grease composition and measures, and probe temperature is 177 ℃ ± 3 ℃, and the test duration is 22 hours.According to petroleum chemical industry standard SH/T0324-2010 " lubricating grease Stencil oil-dividing assay method (stationary method) ", the present invention carries out static Stencil oil-dividing to described grease composition and measures, and probe temperature is 177 ℃ ± 3 ℃, and the test duration is 30 hours.According to petroleum chemical industry standard SH/T0336-1994 " lubricating grease dirt content test method (microscopy) ", the present invention tests 25 μ m of the described grease composition ~ content of 74 μ m impurity and the content of 〉=75 μ m impurity.According to CNS GB/T5018-1985 " lubricating grease non-corrosibility test method(s) ", the present invention tests the non-corrosibility of described grease composition, and probe temperature is 52 ℃, and the test duration is 48 hours.According to petroleum chemical industry standard SH/T0429-1992 " lubricating grease and synthetic rubber consistency assay method ", the present invention measures the rubber compatibility of described grease composition, test condition is: adopt paracril NBR-L, temperature is 70 ℃, and the time is 168 hours.According to petroleum chemical industry standard SH/T0325-1992 " Oxidation Stability of Grease assay method ", the present invention carries out chemical stability to described grease composition and measures, and probe temperature is 99 ℃, and the test duration is 100 hours and 500 hours.According to petroleum chemical industry standard SH/T0428-2008 " the life-span determination method of lubricating grease in ball bearing under the high temperature ", the present invention tests the high-temperature behavior of described grease composition, and probe temperature is 177 ℃ ± 3 ℃.According to petroleum chemical industry standard SH/T0338-1992 " ball bearing grease low temperature torque assay method ", the present invention tests torque at starting and the running torque under the low temperature of described grease composition, and probe temperature is-54 ℃.According to petroleum chemical industry standard SH/T0189-1992 " lubrication oil antiwear decreases performance measurement method (four-ball tester method) ", the present invention measures the wear scar diameter of described grease composition, and test condition is: rotating speed is 1200r/min, and temperature is 75 ℃, time is 60 minutes, and power is 392N.According to CNS GB/T3142-1982 " load carrying capacity of lubricant assay method (four ball methods) ", the present invention measures the integrated abrasion value ZMZ of described grease composition, and test condition is: at normal temperatures, rotating speed is 1770r/min.According to CNS GB/T269-1991 " lubricating grease and petrolatum cone penetration assay method ", the present invention measures the not Drawing cone in-degree of described grease composition, the variation of storing front and back Drawing cone in-degree and the fat outward appearance after the storage, test condition is: be under 38 ℃ ± 3 ℃ in temperature, stored six months, take 0.1mm as standard.
The test result demonstration, the properties of described grease composition is good, and the wider range of use can satisfy the user demand of aviation field medium or large passenger plane, thereby has significant economic benefit and social benefit.
In order further to understand the present invention, below in conjunction with embodiment grease composition provided by the invention and preparation method thereof is described in detail.
The used organic bentonite of following examples is available from the lucky day imperial company limited in Jiang'an, and used poly-alpha olefins is PAO6, and its quality index is as shown in table 1, and table 1 is the quality index of the used polyalphaolefin of the embodiment of the invention 1 ~ 3.
The quality index of the polyalphaolefin that table 1 embodiment of the invention 1 ~ 3 is used
Embodiment 1
60kg poly-alpha olefins, 10kg organic bentonite are added in the fat still processed and mix, and stirring at room 10 minutes is warming up to 130 ℃ ± 5 ℃, and constant temperature stirred 30 minutes, obtained the first mixture;
In fat still processed, add the 28kg potassium borate, mix with described the first mixture, stirred 10 minutes, obtain the second mixture;
Continuation adds 1kgIRGANOX L06 oxidation inhibitor, 0.4kgT706 rust-preventive agent, 0.5kgIRGALUBE TPPT extreme pressure anti-wear additives in fat still processed, mix with described the second mixture, stirs 10 minutes, is cooled to 60 ℃, obtains the 3rd mixture;
In fat still processed, add at last the 0.1kgT551 corrosion inhibitor, mix with described the 3rd mixture, stir and carry out the homogenizing processing after 10 minutes, obtain the grease composition of smooth exquisiteness.
After obtaining grease composition, according to method mentioned above it is carried out performance test, test result is referring to table 2, the performance of the grease composition that table 2 obtains for the embodiment of the invention 1 ~ 3.
Embodiment 2
63kg poly-alpha olefins, 11kg organic bentonite are added in the fat still processed and mix, and stirring at room 10 minutes is warming up to 130 ℃ ± 5 ℃, and constant temperature stirred 40 minutes, obtained the first mixture;
In fat still processed, add the superfine powder of polytetrafluoroethylene of 24kg Daikin, mix with described the first mixture, stirred 10 minutes, obtain the second mixture;
Continuation adds 1.2kgIRGANOX L01 oxidation inhibitor, 0.2kgT706 rust-preventive agent, 0.5kgIRGALUBE TPPT extreme pressure anti-wear additives in fat still processed, mix with described the second mixture, stirs 10 minutes, is cooled to 60 ℃, obtains the 3rd mixture;
In fat still processed, add at last the 0.1kgT551 corrosion inhibitor, mix with described the 3rd mixture, stir and carry out the homogenizing processing after 10 minutes, obtain the grease composition of smooth exquisiteness.
After obtaining grease composition, according to method mentioned above it is carried out performance test, test result is referring to table 2.
Embodiment 3
66kg poly-alpha olefins, 12kg organic bentonite are added in the fat still processed and mix, and stirring at room 10 minutes is warming up to 130 ℃ ± 5 ℃, and constant temperature stirred 35 minutes, obtained the first mixture;
In fat still processed, add the 20kg potassium borate, mix with described the first mixture, stirred 10 minutes, obtain the second mixture;
Continuation adds 1.1kgIRGANOX L101 oxidation inhibitor, 0.2kgT706 rust-preventive agent, 0.6kgIRGALUBE TPPT extreme pressure anti-wear additives in fat still processed, mix with described the second mixture, stirs 10 minutes, is cooled to 60 ℃, obtains the 3rd mixture;
In fat still processed, add at last the 0.1kgT551 corrosion inhibitor, mix with described the 3rd mixture, stir and carry out the homogenizing processing after 10 minutes, obtain the grease composition of smooth exquisiteness.
After obtaining grease composition, according to method mentioned above it is carried out performance test, test result is referring to table 2.
The performance of the grease composition that table 2 embodiment of the invention 1 ~ 3 obtains
As shown in Table 2, the properties of the grease composition that the embodiment of the invention provides is good, and the wider range of use can satisfy the user demand of aviation field medium or large passenger plane, thereby has significant economic worth and social value.
The explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. grease composition comprises:
The poly-alpha olefins of 60wt% ~ 68wt%;
The organic bentonite of 10wt% ~ 15wt%;
The oxidation inhibitor of 1wt% ~ 2wt%;
The rust-preventive agent of 0.2wt% ~ 0.5wt%;
The corrosion inhibitor of 0.1wt% ~ 0.4wt%;
The extreme pressure anti-wear additives of 0.5wt% ~ 1.5wt%;
The solid lubricant of 20wt% ~ 28wt%.
2. grease composition according to claim 1 is characterized in that, comprises the poly-alpha olefins of 62wt% ~ 66wt%.
3. grease composition according to claim 1 is characterized in that, the kinematic viscosity of described poly-alpha olefins under 100 ℃ is 5.7mm
2/ s ~ 6.1mm
2/ s.
4. grease composition according to claim 1 is characterized in that, comprises the organic bentonite of 11wt% ~ 13wt%.
5. grease composition according to claim 1 is characterized in that, described solid lubricant is tetrafluoroethylene and/or potassium borate.
6. grease composition according to claim 1 is characterized in that, described oxidation inhibitor is aromatic amine oxidation inhibitor or phenolic antioxidant.
7. grease composition according to claim 1 is characterized in that, described rust-preventive agent is benzotriazole rust-preventive agent.
8. grease composition according to claim 1 is characterized in that, described corrosion inhibitor is 124 Triazole class corrosion inhibitor.
9. grease composition according to claim 1 is characterized in that, described extreme pressure anti-wear additives is that triphenyl connects even phosphorus vitriol.
10. the preparation method of a grease composition may further comprise the steps:
Take by weighing following raw material:
The poly-alpha olefins of 60wt% ~ 68wt%;
The organic bentonite of 10wt% ~ 15wt%;
The oxidation inhibitor of 1wt% ~ 2wt%;
The rust-preventive agent of 0.2wt% ~ 0.5wt%;
The corrosion inhibitor of 0.1wt% ~ 0.4wt%;
The extreme pressure anti-wear additives of 0.5wt% ~ 1.5wt%;
The solid lubricant of 20wt% ~ 28wt%;
Described raw material is mixed, obtain grease composition.
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| CN104130833A (en) * | 2014-07-25 | 2014-11-05 | 中国石油化工股份有限公司 | Angle modulation device grease composition and preparation method thereof |
| CN105087107A (en) * | 2015-08-31 | 2015-11-25 | 宁夏宝塔石化科技实业发展有限公司 | Preparation method of bearing lubricating grease |
| CN105132109A (en) * | 2015-09-28 | 2015-12-09 | 苏州龙腾万里化工科技有限公司 | Non-soap base grease |
| CN105154176A (en) * | 2015-09-08 | 2015-12-16 | 哈尔滨工业大学 | Low-noise extreme-pressure-resistant compound titanium-based lubricating grease and preparation method of low-noise extreme-pressure-resistant compound titanium-based lubricating grease |
| CN105219481A (en) * | 2015-10-23 | 2016-01-06 | 中国石油化工股份有限公司 | Automatic balance car grease composition and preparation method |
| CN105950266A (en) * | 2016-05-10 | 2016-09-21 | 合肥工业大学 | Wide-temperature-range biolubricant for vehicle and preparation method of wide-temperature-range biolubricant |
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| CN104130833A (en) * | 2014-07-25 | 2014-11-05 | 中国石油化工股份有限公司 | Angle modulation device grease composition and preparation method thereof |
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| CN105154176A (en) * | 2015-09-08 | 2015-12-16 | 哈尔滨工业大学 | Low-noise extreme-pressure-resistant compound titanium-based lubricating grease and preparation method of low-noise extreme-pressure-resistant compound titanium-based lubricating grease |
| CN105154176B (en) * | 2015-09-08 | 2018-07-06 | 哈尔滨工业大学 | Anti- extreme pressure composite titan-based grease of low noise and preparation method thereof |
| CN105132109A (en) * | 2015-09-28 | 2015-12-09 | 苏州龙腾万里化工科技有限公司 | Non-soap base grease |
| CN105219481A (en) * | 2015-10-23 | 2016-01-06 | 中国石油化工股份有限公司 | Automatic balance car grease composition and preparation method |
| CN105219481B (en) * | 2015-10-23 | 2019-02-01 | 中国石油化工股份有限公司 | Automatic balance car lubricant composition and preparation method |
| CN105950266A (en) * | 2016-05-10 | 2016-09-21 | 合肥工业大学 | Wide-temperature-range biolubricant for vehicle and preparation method of wide-temperature-range biolubricant |
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Application publication date: 20130213 |