CN107502419A - A kind of gear type automobile steering gear lubricant composition - Google Patents
A kind of gear type automobile steering gear lubricant composition Download PDFInfo
- Publication number
- CN107502419A CN107502419A CN201710601693.3A CN201710601693A CN107502419A CN 107502419 A CN107502419 A CN 107502419A CN 201710601693 A CN201710601693 A CN 201710601693A CN 107502419 A CN107502419 A CN 107502419A
- Authority
- CN
- China
- Prior art keywords
- agent
- lubricant composition
- type automobile
- base oil
- parts
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/02—Mixtures of base-materials and thickeners
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/065—Sulfides; Selenides; Tellurides
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/106—Naphthenic fractions
- C10M2203/1065—Naphthenic fractions used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/128—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers thereof
- C10M2207/1285—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers thereof used as thickening agents
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/16—Naphthenic acids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
- C10M2219/106—Thiadiazoles
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2010/00—Metal present as such or in compounds
- C10N2010/02—Groups 1 or 11
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2010/00—Metal present as such or in compounds
- C10N2010/04—Groups 2 or 12
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/08—Resistance to extreme temperature
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/76—Reduction of noise, shudder, or vibrations
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/02—Bearings
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/10—Semi-solids; greasy
Abstract
The present invention relates to a kind of gear type automobile steering gear lubricant composition and preparation method thereof, wherein the weight of each composition is：12 hydroxy stearic acids：7.0~8.5 parts；Lithium hydroxide：0.99~1.20 part；Cycloalkane base oil：11.0~22.1 parts；Synthesize hydrocarbon base oil：65~70 parts；Antioxidant：0.5~1.0 part；Matal deactivator：0.1~0.3 part；Anti-friction agent：1.0~2.0 parts；Liquid extreme pressure agent：0.3~0.5 part；Solid extreme pressure agent：3.0~5.0 parts；Antirust agent：0.4~0.6 part；Lubricant composition of the present invention is applied to lubrication of the gear type automobile to parts such as device, bearings, the lubricant composition has relatively low detent torque and operating torque under 40 DEG C to 50 DEG C environment, cost is low, antifriction and shock resistance are excellent, the fatigue wear of gear steering device, elongate member service life can be reduced.
Description
Technical field
The present invention relates to technical field of lubricating grease, more particularly to one kind to be adapted under -40 DEG C to -50 DEG C environment of environment temperature
The lubricant composition of the parts such as the automobile gear formula steering gear of work, bearing.
Background technology
In northern China, winter is very cold, and the steering gear of automobile gear formula and bearing lubricating grease will to cryogenic property
Ask higher, it is desirable to which lubricating grease has relatively low detent torque and operating torque, to ensure good cornering ability.
General low temperature lubricating grease for -30 DEG C of environment is typically using lithium soap as thickening agent, based on synthesis hydrocarbon or cycloalkane
Oil, add antioxidant and antirust agent, can meet the requirement of conventional equipment, -40 DEG C to -50 DEG C of Dan Han areas field it is extreme
At a temperature of when being used for automobile gear steering gear, then be difficult to meet requirement：
The base oil generally use cycloalkane or synthesis hydrocarbon base oil of current low temperature grease；But if only use ring
Alkane, the similar viscosity of lubricating grease is excessive, causes the resistance of start big, turns to difficult.If only with synthesis hydrocarbon, cost is too high, separately
Outer synthesis hydrocarbon requires high to soap amount, can also increase cost.
General low temperature lubricating grease there is problems：For ensure low temperature when smoothly start, Basic oil Viscosity used compared with
Small, when running well, temperature can raise, and the viscosity of base oil becomes smaller, and oil film is thinning, when oil film thickness is less than rubbing surface
Surface roughness when, rubbing surface is in boundary lubrication or mixed lubricating state, and temperature can be made to continue to raise, cause equipment attrition
Increase, influences service life；Because being designed for gear lubrication, the meeting when having gear normal operation, vibration or impact
Cause the heel and toe wear or scratch that gear is different degrees of.
Therefore, it is necessary to which a kind of can meet -40 DEG C to -50 DEG C uses, and meet that cost is low, greasy property is good, freedom from vibration
Good pinion steering special grease.
The content of the invention
The invention provides a kind of gear type automobile steering gear lubricant composition and preparation method thereof, suitable for gear type
Automobile is to the lubrication of the parts such as device, bearing, and the lubricant composition is under -40 DEG C to -50 DEG C environment with relatively low startup turn
Square and operating torque, cost is low, and antifriction and shock resistance are excellent, can reduce the fatigue wear of gear steering device, elongate member
Service life.
In order to achieve the above object, the present invention is realized using following technical scheme：
A kind of gear type automobile steering gear lubricant composition, the weight of each composition in the lubricant composition
It is as follows：
12 hydroxy stearic acids：7.0~8.5 parts；
Lithium hydroxide：0.99~1.20 part；
Cycloalkane base oil：11.0~22.1 parts；
Synthesize hydrocarbon base oil：65~70 parts；
Antioxidant：0.5~1.0 part；
Matal deactivator：0.1~0.3 part；
Anti-friction agent：1.0~2.0 parts；
Liquid extreme pressure agent：0.3~0.5 part；
Solid extreme pressure agent：3.0~5.0 parts；
Antirust agent：0.4~0.6 part；
Wherein：Described 40 DEG C of kinematic viscosity of cycloalkane are 50~60mm2/ s, viscosity index (VI) are 20~30, -30 DEG C of pour point
~-36 DEG C；Described synthesis 40 DEG C of kinematic viscosity of hydrocarbon are 17~20mm2/ s, viscosity index (VI) are 120~130, and pour point is less than -54 DEG C.
The antioxidant is the mixture that amine mixes in any proportion with phenols.
The passivator is thiadiazoles derivative T561.
The anti-friction agent is organic-molybdenum compound and organic sulfur phosphorus zinc salt by 1：Mixture of 1 weight than mixing.
The liquid extreme pressure agent is unsaturated organic sulfur compound and saturation organic sulfur compound by 1：Mixing of 1 weight than mixing
Thing.
The solid extreme pressure agent is the mixture that graphene mixes in any proportion with aquadag or colloid molybdenum bisuphide.
The antirust agent is zinc naphthenate.
12 hydroxy stearic acid, lithium hydroxide are technical pure.
A kind of preparation method of described gear type automobile steering gear lubricant composition, comprises the following steps：
1) cycloalkane base oil and synthesis hydrocarbon base oil are not filtered through 400 mesh, it is standby；
2) lithium hydroxide is added to the water and is configured to lithium hydroxide solution, the weight of water is the 8~10 of lithium hydroxide weight
Times, filtered through 400 mesh, it is standby；
3) by the synthesis hydrocarbon base oil of whole cycloalkane base oils obtained by step 1) and total amount 1/2,12 hydroxy stearic acids,
Lithium hydroxide solution obtained by step 2) is put into saponification kettle respectively, is stirred and is warming up to 95~100 DEG C, 60~90 points of reaction
Clock；Then heat to 140~150 DEG C of dehydrations；The synthesis hydrocarbon base oil of total amount 1/4 is added, 200~220 DEG C is warming up to and keeps 5
More than minute；
4) mixture obtained by step 3) is synthesized into hydrocarbon base oil addition chilling blender with residue 1/4 to mix, then is transferred to tune
Close in kettle, temperature control is incubated more than 30 minutes at 170~190 DEG C；
5) mixture obtained by step 4) is transferred to circulation shear in another blending kettle, is cooled to 90~110 DEG C, add antioxygen
Agent, matal deactivator, anti-friction agent, liquid extreme pressure agent, solid extreme pressure agent and antirust agent, are well mixed through circulation shear, produce profit
Grease composition finished product.
Compared with prior art, the beneficial effects of the invention are as follows：
1) in preparation method of the present invention, mixture synthesizes hydrocarbon in chilling blender with residue 1/4 obtained by step 3)
Base oil mixing mixing, is in order to which lithium soap solution is uniformly quickly cooled into crystallization temperature section, makes crystal form neat,
170~190 DEG C are incubated 30 minutes above is in order that homoepitaxial is crystallized, so as to form the soap fiber of uniform-dimension；During cooling
Soap fiber may proceed to grow, and follow-up shears technique is to preferably control the length of soap fiber growth and diameter；Make above
Standby technique makes lubricant composition have excellent mechanical stability, colloid stability and lubricity (impurity is few)；
2) base oil is using low viscosity cycloalkane and the miscella of synthesis hydrocarbon, the base oil impurity after the filtering of 400 mesh
Seldom, when later stage soap crystallizes, the adverse effect of impurities on crystallization shape is greatly reduced, soap crystallization and fiber shape are neat,
Shear stability and colloid stability are good；Lubrication of the lubricating grease to gear and parts of bearings is also improved while reducing impurity
Effect and service life；
3) using 12 hydroxy lithium stearates as thickening agent；It is good with the compatibility of cycloalkane, the lithium soap of saponification generation
It can be dissolved in base oil rapidly, it is favourable to reaction process；The lithium soap crystal formed during chilling is fine and smooth, and soap fiber growth uniformly may be used
Control；Thickening ability is strong, saves thickening agent；Hydrocarbon low temperature performance well is synthesized, soap amount is high, and manufactured lubricating grease is slightly thick；Synthesize hydrocarbon and ring
Alkane is used cooperatively, and reaches balance in cost control, cryogenic property and product uniformity aspect.
Embodiment
A kind of gear type automobile steering gear lubricant composition of the present invention, each composition in the lubricant composition
Weight is as follows：
12 hydroxy stearic acids：7.0~8.5 parts；
Lithium hydroxide：0.99~1.20 part；
Cycloalkane base oil：11.0~22.1 parts；
Synthesize hydrocarbon base oil：65~70 parts；
Antioxidant：0.5~1.0 part；
Matal deactivator：0.1~0.3 part；
Anti-friction agent：1.0~2.0 parts；
Liquid extreme pressure agent：0.3~0.5 part；
Solid extreme pressure agent：3.0~5.0 parts；
Antirust agent：0.4~0.6 part；
Wherein：Described 40 DEG C of kinematic viscosity of cycloalkane are 50~60mm2/ s, viscosity index (VI) are 20~30, -30 DEG C of pour point
~-36 DEG C；Described synthesis 40 DEG C of kinematic viscosity of hydrocarbon are 17~20mm2/ s, viscosity index (VI) are 120~130, and pour point is less than -54 DEG C.
The antioxidant is the mixture that amine mixes in any proportion with phenols.
The passivator is thiadiazoles derivative T561.
The anti-friction agent is organic-molybdenum compound and organic sulfur phosphorus zinc salt by 1：Mixture of 1 weight than mixing.
The liquid extreme pressure agent is unsaturated organic sulfur compound and saturation organic sulfur compound by 1：Mixing of 1 weight than mixing
Thing.
The solid extreme pressure agent is the mixture that graphene mixes in any proportion with aquadag or colloid molybdenum bisuphide.
The antirust agent is zinc naphthenate.
12 hydroxy stearic acid, lithium hydroxide are technical pure.
A kind of preparation method of described gear type automobile steering gear lubricant composition, comprises the following steps：
1) cycloalkane base oil and synthesis hydrocarbon base oil are not filtered through 400 mesh, it is standby；
2) lithium hydroxide is added to the water and is configured to lithium hydroxide solution, the weight of water is the 8~10 of lithium hydroxide weight
Times, filtered through 400 mesh, it is standby；
3) by the synthesis hydrocarbon base oil of whole cycloalkane base oils obtained by step 1) and total amount 1/2,12 hydroxy stearic acids,
Lithium hydroxide solution obtained by step 2) is put into saponification kettle respectively, is stirred and is warming up to 95~100 DEG C, 60~90 points of reaction
Clock；Then heat to 140~150 DEG C of dehydrations；The synthesis hydrocarbon base oil of total amount 1/4 is added, 200~220 DEG C is warming up to and keeps 5
More than minute；
4) mixture obtained by step 3) is synthesized into hydrocarbon base oil addition chilling blender with residue 1/4 to mix, then is transferred to tune
Close in kettle, temperature control is incubated more than 30 minutes at 170~190 DEG C；
5) mixture obtained by step 4) is transferred to circulation shear in another blending kettle, is cooled to 90~110 DEG C, add antioxygen
Agent, matal deactivator, anti-friction agent, liquid extreme pressure agent, solid extreme pressure agent and antirust agent, are well mixed through circulation shear, produce profit
Grease composition finished product.
Antioxidant of the present invention refers to the mixture of amine and phenols, amine such as butyl-octyl diphenylamine
(VANLUBE 961), phenols such as ester group substitution Hinered phenols (VANLUBE BHC).
The anti-friction agent is the mixing of organic-molybdenum compound (such as MOLYVAN 855) and organic sulfur phosphorus zinc salt (such as T202)
Thing.
The liquid extreme pressure agent is the unsaturated mixture with saturation organic sulfur compound, unsaturated sulfide such as T321,
T323, TPS32, IS30 etc., saturation sulfide are TPS20.
The solid extreme pressure agent is graphene and aquadag or the mixture of colloid molybdenum bisuphide；Graphene has extremely low
Coefficient of friction and high film strength, with other solid formulations coordinate improve bearing capacity.
On the thickening mechanism of lithium base grease, to be molten when generally 12 hydroxy stearic acid lithium soaps are more than 210 DEG C
Liquid status, when temperature is reduced to 190-180 DEG C, lithium soap can start to recrystallize, and regenerate a length of soap fiber, be formed three-dimensional netted
Structure, it is the solid with plasticity or semi-solid lubricating grease by base oil thickening.In the process, chilling temperature and shear treatment
Soap crystallization, the growth of soap fiber are had a major impact.
Thickening agent, using 12 hydroxy stearic acid lithium soaps as thickening agent, manufactured through special process.Finished product lubricating grease it is high temperatures
Energy, colloid stability are good, and mechanical stability is excellent, service life length.
Antioxidant and passivator, acted synergistically with amine and phenolic antioxidant, have synergistic effect to anti-oxidant.Metal is passivated
Agent can reduce metal active, reduce metal and greatly improve antioxygen to oil ageing catalytic action, three's collective effect
Change performance.
Anti-friction agent, coordinated with organic-molybdenum compound and organic sulfur phosphorus zinc salt, synergy is obvious, effectively reduces coefficient of friction
Worn with reducing.
Liquid extreme pressure agent, unsaturated and saturation organic sulfur compound 1：1 mixture, unsaturated sulphur agent activity is strong, low negative
It is rapid-action under lotus, but have the weakness of corrosion, increase wear extent；Saturation sulfide works obvious and not perishable under high loads
Erosion.The two reacts the sulfide fusing point height of generation iron with contact surface, prevents friction part from sintering with the use of learning from other's strong points to offset one's weaknesses.
Solid formulation, the small oil film of Basic oil Viscosity is thin, and the chemical reaction film only formed by liquid additive can reduce material
Intensity, increase wear extent.Solid formulation must be used to improve lubrication film thickness, friction surface is separated, resistance vibration and impact are negative
Lotus.
Following examples are implemented under premised on technical solution of the present invention, give detailed embodiment and tool
The operating process of body, but protection scope of the present invention is not limited to following embodiments.Method therefor is such as without spy in following embodiments
It is conventional method not mentionlet alone bright.
【Embodiment】
In the present embodiment, the weight of each component is as shown in table 1 in the lubricant composition：
Table 1
In the present embodiment, the preparation method of the lubricant composition is as follows：
1) cycloalkane base oil and synthesis hydrocarbon base oil are not filtered through 400 mesh, it is standby；
2) lithium hydroxide is added to the water and is configured to lithium hydroxide solution, the weight of water is the 8~10 of lithium hydroxide weight
Times, filtered through 400 mesh, it is standby；
3) by the synthesis hydrocarbon base oil of whole cycloalkane base oils obtained by step 1) and total amount 1/2,12 hydroxy stearic acids,
Lithium hydroxide solution obtained by step 2) is put into saponification kettle respectively, is stirred and is warming up to 95~100 DEG C, 60~90 points of reaction
Clock；Then heat to 140~150 DEG C of dehydrations；The synthesis hydrocarbon base oil of total amount 1/4 is added, 200~220 DEG C is warming up to and keeps 5
More than minute；
4) mixture obtained by step 3) is synthesized into hydrocarbon base oil addition chilling blender with residue 1/4 to mix；Tune is transferred to again
Close in kettle, temperature control is incubated more than 30 minutes at 170~190 DEG C；
5) mixture obtained by step 4) is transferred to circulation shear in another blending kettle, is cooled to 90~110 DEG C, add antioxygen
Agent, matal deactivator, anti-friction agent, liquid extreme pressure agent, solid extreme pressure agent and antirust agent, are well mixed through circulation shear, produce profit
Grease composition finished product.
Design parameter is as shown in table 2：
Table 2
Properties of product are tested：
The gear type automobile steering gear lubricating grease prepared by 8 embodiments is tested respectively using following test equipments
Evaluation, main test equipment and test method：Low temperature torque (ASTM D1478)；Flowing pressure (DIN 50805).
Test result is as shown in table 3：
Table 3
According to ISO 12924-2010《Lubricant, industry oil and Related product (L classes) X races (lubricating grease) specification》, low
When detent torque≤1000mNm of warm torque, operating torque≤100mNm, flowing pressure≤140000Pa, lubricating grease can
To meet the use under the temperature conditionss, i.e., a kind of gear type automobile steering gear lubricant composition of the present invention can expire
The temperature in use of -50 DEG C of foot.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (9)
- A kind of 1. gear type automobile steering gear lubricant composition, it is characterised in that each composition in the lubricant composition Weight is as follows：12 hydroxy stearic acids：7.0~8.5 parts；Lithium hydroxide：0.99~1.20 part；Cycloalkane base oil：11.0~22.1 parts；Synthesize hydrocarbon base oil：65~70 parts；Antioxidant：0.5~1.0 part；Matal deactivator：0.1~0.3 part；Anti-friction agent：1.0~2.0 parts；Liquid extreme pressure agent：0.3~0.5 part；Solid extreme pressure agent：3.0~5.0 parts；Antirust agent：0.4~0.6 part；Wherein：Described 40 DEG C of kinematic viscosity of cycloalkane are 50~60mm2/ s, viscosity index (VI) are 20~30, pour point -30 DEG C~-36 ℃；Described synthesis 40 DEG C of kinematic viscosity of hydrocarbon are 17~20mm2/ s, viscosity index (VI) are 120~130, and pour point is less than -54 DEG C.
- A kind of 2. gear type automobile steering gear lubricant composition according to claim 1, it is characterised in that the antioxygen Agent is the mixture that amine mixes in any proportion with phenols.
- A kind of 3. gear type automobile steering gear lubricant composition according to claim 1, it is characterised in that the passivation Agent is thiadiazoles derivative T561.
- A kind of 4. gear type automobile steering gear lubricant composition according to claim 1, it is characterised in that the antifriction Agent is organic-molybdenum compound and organic sulfur phosphorus zinc salt by 1：Mixture of 1 weight than mixing.
- A kind of 5. gear type automobile steering gear lubricant composition according to claim 1, it is characterised in that the liquid Extreme pressure agent is unsaturated organic sulfur compound and saturation organic sulfur compound by 1：Mixture of 1 weight than mixing.
- A kind of 6. gear type automobile steering gear lubricant composition according to claim 1, it is characterised in that the solid Extreme pressure agent is the mixture that graphene mixes in any proportion with aquadag or colloid molybdenum bisuphide.
- A kind of 7. gear type automobile steering gear lubricant composition according to claim 1, it is characterised in that the antirust Agent is zinc naphthenate.
- A kind of 8. gear type automobile steering gear lubricant composition according to claim 1, it is characterised in that 12 hydroxyl Base stearic acid, lithium hydroxide are technical pure.
- A kind of 9. preparation method of gear type automobile steering gear lubricant composition as claimed in claim 1, it is characterised in that Comprise the following steps：1) cycloalkane base oil and synthesis hydrocarbon base oil are not filtered through 400 mesh, it is standby；2) lithium hydroxide is added to the water and is configured to lithium hydroxide solution, the weight of water is 8~10 times of lithium hydroxide weight, warp 400 mesh filter, standby；3) by whole cycloalkane base oils obtained by step 1) and the synthesis hydrocarbon base oil of total amount 1/2,12 hydroxy stearic acids, step 2) lithium hydroxide solution obtained by is put into saponification kettle respectively, is stirred and is warming up to 95~100 DEG C, reaction 60~90 minutes；So After be warming up to 140~150 DEG C of dehydrations；The synthesis hydrocarbon base oil of total amount 1/4 is added, 200~220 DEG C is warming up to and is kept for 5 minutes More than；4) mixture obtained by step 3) is synthesized into hydrocarbon base oil addition chilling blender with residue 1/4 to mix, then is transferred to blending kettle In, temperature control is incubated more than 30 minutes at 170~190 DEG C；5) mixture obtained by step 4) is transferred to circulation shear in another blending kettle, is cooled to 90~110 DEG C, add antioxidant, Matal deactivator, anti-friction agent, liquid extreme pressure agent, solid extreme pressure agent and antirust agent, are well mixed through circulation shear, produce lubricating grease Composition finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601693.3A CN107502419B (en) | 2017-07-21 | 2017-07-21 | Gear type automobile steering gear lubricating grease composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601693.3A CN107502419B (en) | 2017-07-21 | 2017-07-21 | Gear type automobile steering gear lubricating grease composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107502419A true CN107502419A (en) | 2017-12-22 |
| CN107502419B CN107502419B (en) | 2020-04-07 |
Family
ID=60689293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710601693.3A Active CN107502419B (en) | 2017-07-21 | 2017-07-21 | Gear type automobile steering gear lubricating grease composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107502419B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108587741A (en) * | 2017-12-29 | 2018-09-28 | 统石油化工有限公司 | A kind of list lithium soap automotive lubricating reases and preparation method thereof |
| CN108865339A (en) * | 2018-08-01 | 2018-11-23 | 清研高装润滑科技（天津）有限公司 | A kind of high-speed EMUs axle box bearing lubricant composition and preparation method thereof |
| CN111100743A (en) * | 2019-12-26 | 2020-05-05 | 辽宁海华科技股份有限公司 | Low-temperature long-life extreme pressure lubricating grease and preparation method thereof |
| CN113186017A (en) * | 2020-11-25 | 2021-07-30 | 广西大学 | Graphene lithium-based lubricating grease for high extreme pressure condition and preparation method thereof |
| EP3931289A4 (en) * | 2019-02-25 | 2023-03-08 | Guangxi LiuGong Machinery Co., Ltd. | Lithium-based grease and preparation method thereof |
| CN115820324A (en) * | 2022-12-20 | 2023-03-21 | 辽宁海华科技股份有限公司 | Special lubricating grease for ball mill and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4879054A (en) * | 1988-02-29 | 1989-11-07 | Amoco Corporation | Process for producing low temperature high performance grease |
| CN104342271A (en) * | 2014-10-15 | 2015-02-11 | 无锡市飞天油脂有限公司 | Automobile booster lubricant |
| CN104371796A (en) * | 2014-10-25 | 2015-02-25 | 中国石油化工股份有限公司 | Low-temperature lubricating grease composition and preparation method thereof |
| CN105316097A (en) * | 2015-11-06 | 2016-02-10 | 中国石油化工股份有限公司 | Composition of special ultralow-temperature grease for casters and preparation method of special ultralow-temperature grease |
-
2017
- 2017-07-21 CN CN201710601693.3A patent/CN107502419B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4879054A (en) * | 1988-02-29 | 1989-11-07 | Amoco Corporation | Process for producing low temperature high performance grease |
| CN104342271A (en) * | 2014-10-15 | 2015-02-11 | 无锡市飞天油脂有限公司 | Automobile booster lubricant |
| CN104371796A (en) * | 2014-10-25 | 2015-02-25 | 中国石油化工股份有限公司 | Low-temperature lubricating grease composition and preparation method thereof |
| CN105316097A (en) * | 2015-11-06 | 2016-02-10 | 中国石油化工股份有限公司 | Composition of special ultralow-temperature grease for casters and preparation method of special ultralow-temperature grease |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108587741A (en) * | 2017-12-29 | 2018-09-28 | 统石油化工有限公司 | A kind of list lithium soap automotive lubricating reases and preparation method thereof |
| CN108865339A (en) * | 2018-08-01 | 2018-11-23 | 清研高装润滑科技（天津）有限公司 | A kind of high-speed EMUs axle box bearing lubricant composition and preparation method thereof |
| CN108865339B (en) * | 2018-08-01 | 2021-08-20 | 清研高装润滑科技（天津）有限公司 | Lubricating grease composition for axle box bearing of high-speed motor train unit and preparation method thereof |
| EP3931289A4 (en) * | 2019-02-25 | 2023-03-08 | Guangxi LiuGong Machinery Co., Ltd. | Lithium-based grease and preparation method thereof |
| CN111100743A (en) * | 2019-12-26 | 2020-05-05 | 辽宁海华科技股份有限公司 | Low-temperature long-life extreme pressure lubricating grease and preparation method thereof |
| CN113186017A (en) * | 2020-11-25 | 2021-07-30 | 广西大学 | Graphene lithium-based lubricating grease for high extreme pressure condition and preparation method thereof |
| CN115820324A (en) * | 2022-12-20 | 2023-03-21 | 辽宁海华科技股份有限公司 | Special lubricating grease for ball mill and preparation method thereof |
| CN115820324B (en) * | 2022-12-20 | 2024-01-26 | 辽宁海华科技股份有限公司 | Special lubricating grease for ball mill and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107502419B (en) | 2020-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107502419A (en) | A kind of gear type automobile steering gear lubricant composition | |
| CN101921653B (en) | Synthetic high-temperature lubricating grease and preparation method thereof | |
| EP2785821B1 (en) | Grease composition | |
| CN104140867A (en) | Lubricating grease combination and preparing method of lubricating grease combination | |
| CN103666658B (en) | Multi-use universal aviation grease | |
| CN101240216A (en) | Lithium-base lubricating grease composition with low-pressure oil-separating and low-storage oil-separating performance | |
| KR20120098409A (en) | Aqueous lubricant composition for plastic working on metal material | |
| CN102604723B (en) | Lubricating grease composition and preparation method thereof | |
| CN111100743A (en) | Low-temperature long-life extreme pressure lubricating grease and preparation method thereof | |
| EP3253854B1 (en) | Grease composition | |
| CN105542904B (en) | A kind of thickening agent and the complex lithium grease comprising the thickening agent | |
| JPH11131086A (en) | Lubricating grease composition | |
| CN105199817A (en) | Low-temperature lithium-calcium bearing lubricating grease and preparation method | |
| JP2009179715A (en) | Lubricant composition and lubricant system using the same | |
| CN112680260B (en) | Oil-water type bentonite-calcium-based composite lubricating grease composition and preparation method thereof | |
| CN112680262A (en) | Universal lubricating grease for automobile steering pull rod, bearing and gear and production process thereof | |
| CN111205909B (en) | Composite lithium-based lubricating grease and preparation method thereof | |
| CN107446664B (en) | Layered potassium magnesium phosphate composite lithium-based lubricating grease composition and preparation method thereof | |
| CN105154185A (en) | Rolling oil composition for cold rolling of ordinary carbon steel plate up to 1700mm in thickness and preparation method | |
| CN114958461A (en) | Anhydrous calcium-based lubricating grease and preparation method thereof | |
| JP5884628B2 (en) | Lubricant composition and rolling bearing | |
| CN105779084A (en) | Bearing grease for squeezing machine of cane sugar factory and preparation method of bearing grease | |
| CN109181821A (en) | A kind of multi-purpose grease and preparation method thereof | |
| JPH01308497A (en) | Grease composition | |
| CN105154184A (en) | Rolling oil composition for cold rolling of low alloy steel plate and preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 114000 Anshan city in Liaoning Province town Qianshan District Xiang Village Applicant after: Liaoning Haihua Polytron Technologies Inc Address before: 114000 Anshan city in Liaoning Province town Qianshan District Xiang Village Applicant before: Haihua Grease Chemistry Co., Ltd., Anshan |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |