CN105038914B - Gearbox lubrication agent composition and preparation method thereof - Google Patents

Gearbox lubrication agent composition and preparation method thereof Download PDF

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CN105038914B
CN105038914B CN201510373839.4A CN201510373839A CN105038914B CN 105038914 B CN105038914 B CN 105038914B CN 201510373839 A CN201510373839 A CN 201510373839A CN 105038914 B CN105038914 B CN 105038914B
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mass
lubrication agent
gearbox lubrication
ester
gear
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CN105038914A (en
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孙宗飞
王瑞兴
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SHANGHAI HITECRUN SPECIAL LUBRICATION TECHNOLOGY Co Ltd
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SHANGHAI HITECRUN SPECIAL LUBRICATION TECHNOLOGY Co Ltd
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Abstract

The invention discloses a kind of gearbox lubrication agent compositions and preparation method thereof.The gearbox lubrication agent composition of the present invention is in terms of 100%, including following components by each component gross mass of the composition:20 40 mass % of polyureas base grease, 20 50 mass % of base oil, anti-microdot lose 24 mass % of additive, 13 mass % of extreme pressure anti-wear additives, 15 mass % of antioxidant, 10 20 mass % of adhesive, 12 mass % of friction improver.Gearbox lubrication agent of the present invention has excellent greasy property;It can cool down to gear-box, avoid a degree of damage caused by temperature is excessively high gear;Have excellent low-speed heave-load shear stability energy, extend the replacement cycle of gearbox lubrication agent, reduces production cost;It can also effectively inhibit the rippling of gear-box internal gear, any corrosion will not be generated to the sealing element of gear-box, more eliminate the risk of gearbox lubrication agent leakage.

Description

Gearbox lubrication agent composition and preparation method thereof
Technical field
The present invention relates to a kind of gearbox lubrication agent compositions and preparation method thereof, and in particular to one kind being applied to gear-box Leakproof lubricant composition of speed reducer and preparation method thereof, belongs to technical field of lubricant.
Background technology
Speed reducer is generally used for the drive apparatus of low rotation speed large torque, motor, internal combustion engine or other runs at high speed Gear wheel on the few gear engagement output shaft of the number of teeth on input shaft that power passes through speed reducer achievees the purpose that deceleration.Tool Body mechanism is the winding number of motor to be decelerated to desired winding number using the velocity transducer of gear, and obtain larger torque Mechanism.Speed reducer is widely used in the industries such as electric power, metallurgy, cement, petroleum machinery, chemical machinery, almost becomes each The basis of industry.
Speed reducer type is various, and wherein gearbox speed reduction machine is relatively conventional.However gearbox speed reduction chance generates oil leak Phenomenon is common problem, this not only causes consuming cost excessively high, and increases the labor intensity of worker, increases and sets Standby damage probability.In the prior art, common mineral type gear oil, synthetic gear oil, lithium base grease are mostly used greatly or are contained The lithium base grease of molybdenum disulfide is lubricated applied to gearbox speed reduction machine.
It is subtle that unreasonable or sealing element would generally be designed because of speed reducer structure using mineral type gear oil or synthetic gear oil Damage causes the generation of oil leakage phenomenon.Speed reducer is in operation process, since peripheral speed is excessive, easily causes lubricating oil and is slowing down It splashes in machine, and then gear oil is made to generate foam, cause foam excessive, undispersed foam is attached to gear chamber interior wall or gear Surface can form cavitation erosion damage parts.
Number of patent application 201110321924.8 and 201210456277.6 individually discloses a kind of leakproof speed reducer lubrication Oil/fat composition and preparation method thereof and a kind of leakproof lubricating grease.Its lubricating grease is all made of lithium base grease, although lithium base grease It can show good anti-shear performance under the operating mode of high speed light loading, but the anti-shear performance under the operating mode of low-speed heave-load It is poor.However general such lubricating grease all contains the additive for be easy to causeing the corrosion of speed reducer inner components, therefore lithium base Lubricating grease is not suitable in the speed reducer lubrication of low-speed heave-load.
Invention content
Problems to be solved by the invention
For gear-box because speed reducer structure design the subtle damage of unreasonable or sealing element caused by leakage problem, the present invention A kind of gearbox lubrication agent composition and preparation method thereof is provided.Gearbox lubrication agent of the present invention has excellent lubricity Can, it can effectively extend the working life of gear;Cool down to gear-box, avoids certain journey caused by temperature is excessively high gear The damage of degree;Have excellent low-speed heave-load shear stability energy, the replacement cycle of gearbox lubrication agent can be greatly prolonged, reduces The production cost brought because replacing gearbox lubrication agent.
The solution to the problem
The present invention provides a kind of gearbox lubrication agent compositions, with each component gross mass of the composition for 100% Meter, including following components:
Gearbox lubrication agent composition according to the present invention, with each component gross mass of the composition for 100% The content of meter, polyureas base grease is 30-40 mass %, and the content of base oil is 40-50 mass %, anti-microdot erosion additive Content is 2.5-3.5 mass %, and the content of extreme pressure anti-wear additives is 2-3 mass %, and the content of antioxidant is 1-2 mass %, adherency The content of agent is 10-15 mass %, and the content of friction improver is 1-1.5 mass %.
Gearbox lubrication agent composition according to the present invention, the polyureas base grease are prepared in the following manner: On the basis of the polyureas base grease gross mass, by the ring of the pentaerythrite ester base oil of 40-50 mass % and 5-6 mass % Hexane diisocyanate mixes, and is heated to 70-85 DEG C of dissolving, obtains the first solution;By the pentaerythrite ester group of 40-50 mass % Plinth oil is mixed with the octadecylamine of 3-4 mass %, is heated to 70-85 DEG C, and the aniline and 1-2 mass % of 1-3 mass % is then added Methylaniline, stir evenly, obtain the second solution;First solution is injected into mixing constant temperature stirring in the second solution, later will Temperature rises to 155-165 DEG C, and insulated and stirred obtains polyureas base grease.
Gearbox lubrication agent composition according to the present invention, wherein the base oil is that dewaxing refines base oil, gathers Alhpa olefin, pentaerythritol ester, pentaerythritol fatty acid ester, trimellitate, tricarboxymethyl propane oleate, 40 DEG C when viscosity be 32- 1000mm2The multiple ester of/s, polyethers, silicone oil, two different tridecanol dibasic acid esters, bis phthalate, one kind in bis adipate or It is a variety of.
Gearbox lubrication agent composition according to the present invention, wherein the anti-microdot erosion additive is third pungent secondary primary It is one or more in alkyl dithiophosphoric acid, amine salt of alkyl phosphate, alkyl phosphate diethanolamine salt, bisphosphonates.
Gearbox lubrication agent composition according to the present invention, wherein the extreme pressure anti-wear additives are dialkyl disulfides For carbamic acid antimony, di-2-ethylhexylphosphine oxide Keywords dibutyl dithiocarbamate, phosphoric acid aminated compounds, three potassium borate neutrality oil disperseds Liquid, chlorinated biphenyl, acid phosphoric acid ester, acidic phosphite, sulfide fat oil, acid dibutyl phosphite, sulphur phosphoric acid is nitrogenous spreads out Biology, tricresyl phosphate, D2EHDTPA amine salt, isooctyl acid phosphate octadecylamine salt, tri o cresyl thiophosphate alizarinic acid, vulcanization are different Butylene, dibenzyldisulfide, aminothio ester, lead naphthenate, dibutyl dithiocaarbamate molybdenum, dibutyl dithio ammonia Base lead formate, borate, boronation oleamide, A- types organocopper compound, one kind in tricresyl phosphate (2,3- dichloropropanes) ester or It is a variety of.
Gearbox lubrication agent composition according to the present invention, wherein the antioxidant be pair, p- octyl diphenylamine, Carbamate, alkylation phenyl-α-naphthylamine, octyl-butyl diphenylamines, 3,5- di-tert-butyl-4-hydroxyl benzyls sulfydryl-octyl Acetic acid esters, bis- (3,5- di-tert-butyl-4-hydroxyl benzyls) thioethers, phenol containing ester group, hindered phenol containing ester group, one in sulfur-bearing ether phenol Kind is several.
Gearbox lubrication agent composition according to the present invention, wherein wherein the adhesive is polyisobutene, 40 DEG C when viscosity be 30000-50000mm2One or both of multiple ester of/s.
Gearbox lubrication agent composition according to the present invention, wherein the friction improver, which is non-sulphur phosphorus liquid, to be had Machine molybdenum, oleic acid epoxy ester, isocyanuric acid melamine, organic boron anti-friction agent, sulphur molybdenum phosphate, phosphate, the high organic friction of polymerization It is one or more in modifier.
The present invention also provides a kind of preparation methods of gearbox lubrication agent composition according to the present invention, including will The step of each component mixing of the composition.
The effect of invention
Gearbox lubrication agent composition provided by the present invention is added to extreme pressure anti-wear additives and adhesive, and the two can match Conjunction is that gear provides excellent extreme pressure and antiwear behavior and greasy property, and makes the composition that can effectively be adhered to metal watch Face.Friction improver is added in composition of the present invention, friction improver is adsorbed on behind metal surface the shape between metal At one layer of effective protecting film, so that gear-box is not will produce direct contact between metal during the work time, strengthen to tooth The friction of wheel is protected, due to the reduction of friction coefficient so that gear-box not will produce intermetallic friction during the work time, drop The heat that low friction is brought can effectively extend the service life of gear-box to reduce the operating temperature of gear-box, in addition, Noise and the mechanical oscillation of gear-box are also reduced in the gear-box course of work.
It is added to anti-microdot erosion additive in composition of the present invention, can effectively inhibit the tooth of gear-box internal gear Millet cake loses, and will not generate corrosion to the sealing element of gear-box, even more eliminate the risk of gearbox lubrication agent leakage.
Specific implementation mode
The present invention provides a kind of gearbox lubrication agent composition, is in terms of 100% by each component gross mass of the composition, Including following components:
The polyureas base grease is prepared in the following manner:On the basis of the polyureas base grease gross mass:It is added The cyclohexane diisocyanate mixing of the pentaerythrite ester base oil of 40-50 mass %, 5-6 mass %, be heated to 70-85 DEG C it is molten Solution, obtains the first solution;In addition, the octadecylamine mixing of the pentaerythrite ester base oil of 40-50 mass %, 3-4 mass % is added, It is heated to 70-85 DEG C, the methylaniline of the aniline and 1-2 mass % of 1-3 mass % is then added, stirs evenly, obtains second Solution;First solution is injected into mixing constant temperature stirring in the second solution, temperature is risen to 155-165 DEG C later, insulated and stirred obtains To polyureas base grease.
It is 100% calculating with each component gross mass of gearbox lubrication agent composition, the content of polyureas base grease is 20- 40 mass %, preferably 30-40 mass %, polyureas base grease of the present invention have good thixotropy and greasy property, The operating mode occasion of high speed shear when gear-box being suitble to work.If the polyureas base grease content is less than of the present invention add Dosage, the polyureas base grease of smaller content can cause the gearbox lubrication agent mixed not have thixotropy and greasy property; If the polyureas base grease content is more than additive amount of the present invention, the polyureas base grease of too high amount makes gear The cone penetration value of case lubricant is less than normal, is unfavorable for cooling in the gear-box course of work, medium temperature when gear-box being caused to work Spend height.
The gearbox lubrication agent composition of the present invention, wherein the base oil is that dewaxing refines base oil, polyalphaolefin, season Doutrate, pentaerythritol fatty acid ester, trimellitate, trimethylolpropane olein, 40 DEG C when range of viscosities be 32- 1000mm2/ s, preferably 68-1000mm2The multiple ester of/s, polyethers (such as:Trade mark BREOX 50A 225, trade mark Polyglykol D21/150 etc.), silicone oil, two different tridecanol dibasic acid esters, bis phthalate, bis adipate it is one or more.
It is 100% calculating with each component gross mass of gearbox lubrication agent composition, the content of base oil is 20-50 matter Measure %, preferably 40-50 mass %, base oil of the present invention have excellent greasy property, make the composition have compared with Long service life.If the base oil content is less than additive amount of the present invention, the cone penetration value of the composition compared with Small, then the consistency of gearbox lubrication agent is larger, gearbox temperature can be caused excessively high because heat dissipation performance is low when being used in gear-box; If the base oil content is more than additive amount of the present invention, gearbox lubrication agent cone penetration value can be very big, then gear The consistency of case lubricant is smaller, and the wear resistence of gearbox lubrication agent is caused to reduce, and cone penetration value is excessive be easy to cause gear Case lubricant is leaked out from from gearbox seals or in pilot hole.
The gearbox lubrication agent composition of the present invention, wherein the anti-microdot erosion additive is the third pungent two sulphur of secondary primary alkyl For phosphoric acid, amine salt of alkyl phosphate, alkyl phosphate diethanolamine salt, bisphosphonates it is one or more;The wherein described alkane Base phosphate diethanolamine salt be by mixed fatty alcohol (such as:Lauryl alcohol, octadecyl alcolol etc.) hydrolysis, diethanol amine is used later Neutralize obtained product.
It is 100% calculating with each component gross mass of gearbox lubrication agent composition, the content of anti-microdot erosion additive is 2-4 mass %, preferably 2.5-3.5 mass %, anti-microdot of the present invention lose additive, can effectively prevent gear-box inner teeth Millet cake loses, and extends the service life of gear.If the content of the anti-microdot erosion additive is less than additive amount of the present invention, resist micro- Spot corrosion additive level is too small can not inhibit rolling because being generated in Gear shape process precision shortcoming or the mutual operation process of gear and Sliding friction rippling caused by the damage of the flank of tooth;If the anti-microdot erosion additive level is more than of the present invention Additive amount occupies excessive percentage in gearbox lubrication agent, and the content of base oil or polyureas base grease can be caused to reduce, Reduce the greasy property of gearbox lubrication agent.
The gearbox lubrication agent composition of the present invention, wherein the extreme pressure anti-wear additives are dialkyldithiocarbamacompositions Antimony (such as:Trade mark Vanlube 73), di-2-ethylhexylphosphine oxide Keywords dibutyl dithiocarbamate, phosphoric acid aminated compounds (such as:Board Number Vanlube 692), three potassium borate neutral oil dispersion liquids, chlorinated biphenyl, acid phosphoric acid ester, acidic phosphite, sulfurized fatty Oil, acid dibutyl phosphite, sulphur phosphoric acid nitrogen containing derivative, tricresyl phosphate, D2EHDTPA amine salt, isooctyl acid phosphoric acid Ester octadecylamine salt, tri o cresyl thiophosphate alizarinic acid, sulfide isobutene, dibenzyldisulfide (such as:Trade mark T-322), aminothio Ester, lead naphthenate, dibutyl dithiocaarbamate molybdenum, dibutyl dithiocaarbamate lead, borate, boronation oleamide, A- types organocopper compound (such as:Trade mark T-361), tricresyl phosphate (2,3- dichloropropanes) ester it is one or more.
It is 100% calculating with each component gross mass of gearbox lubrication agent composition, the content of extreme pressure anti-wear additives is 1-3 matter %, preferably 2-3 mass % are measured, extreme pressure anti-wear additives of the present invention provide required extreme pressure and antiwear behavior for gearbox lubrication agent, Reduce the intermetallic abrasion in operation process of gear-box internal gear.If the extreme-pressure anti-wear agent content is less than institute of the present invention The extreme pressure anti-wear additives of the additive amount stated, smaller content can not coordinate base oil with polyureas base grease to improve gearbox lubrication agent Extreme pressure and antiwear behavior;If the extreme-pressure anti-wear agent content is more than additive amount of the present invention, due in extreme pressure anti-wear additives Containing substances such as a certain amount of sulphur, phosphorus, these content of material are excessively high to be easy to cause gear chamber interior wall or internal gear metal surface Corrosion causes the damage of gear-box.
The present invention gearbox lubrication agent composition, wherein the antioxidant be pair, p- octyl diphenylamine, amino first Acid esters, alkylation phenyl-α-naphthylamine (such as:Trade mark Naugalube APAN), octyl-butyl diphenylamines, 3,5- di-t-butyls- 4- hydroxybenzyls sulfydryl-octyl acetic acid esters, bis- (3,5- di-tert-butyl-4-hydroxyl benzyls) thioethers, phenol containing ester group (such as:It is ester-containing Based high molecular amount phenol, trade mark IRGANOX L135), hindered phenol containing ester group (such as:Trade mark Naugalube 531), sulfur-bearing ether Phenol (such as:Sulfide-containing Hindered based high molecular amount phenol, trade mark IRGANOX L115) in it is one or more of.
It is 100% calculating with each component gross mass of gearbox lubrication agent composition, the content of antioxidant is 1-5 matter %, preferably 1-2 mass % are measured, antioxidant of the present invention can effectively promote the antioxygenic property of gearbox lubrication agent, especially exist After the temperature of gear-box operation process middle gear case lubricant increases, it can effectively inhibit rapid oxygen of the temperature to gearbox lubrication agent Change rotten.If the antioxidant content is less than additive amount of the present invention, the antioxidant of smaller content is operated in gear-box After temperature increases, it can not effectively inhibit the high-temperature oxydation of gearbox lubrication agent rotten;If the antioxidant content is more than this hair The bright additive amount, the antioxidant of excessive content make the antioxygenic property of gearbox lubrication agent not promoted, can lead to basis The content of oil or polyureas base grease is reduced, and then reduces the greasy property of gearbox lubrication agent.
The gearbox lubrication agent composition of the present invention, wherein the adhesive be polyisobutene, one kind in multiple ester or Two kinds, range of viscosities is 30000-50000mm when the multiple ester involved by adhesive of the present invention is 40 DEG C2/ s, preferably 35000-50000mm2The high-viscosity polymer of/s can be effectively dispersed in gearbox lubrication agent and extreme-pressure anti-wear of the present invention Agent is matched to provide excellent greasy property for gearbox lubrication agent.
It is 100% calculating with each component gross mass of gearbox lubrication agent composition, the content of adhesive is 10-20 matter %, preferably 10-15 mass % are measured, adhesive of the present invention can effectively promote the abrasion resistance of gearbox lubrication agent, due to this The invention adhesive is high-viscosity polymer, and addition can effectively be adsorbed on metal surface in gearbox lubrication agent, in gold Metal surface forms one layer of effective protecting film, achievees the purpose that prevent galling.If the adherency agent content is less than this The invention additive amount, the adhesive of too small content can not effectively be adsorbed in gear-box inner metal surfaces, cause gear Case internal gear is intermetallic to be in direct contact, and causes to wear;If the adherency agent content is more than addition of the present invention Amount, since adhesive is high-viscosity polymer, excessively large content of adhesive is easy in gear-box operation process, due to temperature Raising makes adhesive form greasy filth carbon distribution, and the anti-shear performance of excessively large content of adhesive is poor, also affects gear The speed denaturation of case lubricant.
The gearbox lubrication agent composition of the present invention, wherein the friction improver is non-sulphur phosphorus liquid organic-molybdenum, oil Sour epoxy-ester, isocyanuric acid melamine, organic boron anti-friction agent, sulphur molybdenum phosphate, phosphate, high polymerization organic friction modifiers (such as:Trade mark Perfad 3000) in it is one or more.
It is 100% calculating with each component gross mass of gearbox lubrication agent composition, the content of friction improver is 1-2 matter %, preferably 1-1.5 mass % are measured, the friction improver added in the present invention can adhere to gear surface, prevent straight between metal Contact and caused by friction coefficient it is larger, directly reduce running resistance, reduce the loss of kinetic energy to reduce operating cost, reach To energy-efficient purpose;If the content of the friction improver is less than additive amount of the present invention, the friction of too small content changes Into agent effective absorption can not be formed inside gear-box in metal surface;If the friction improver content is more than institute of the present invention The additive amount stated meets water and is easy to water because this few substance water resistance containing ester group, molybdenum and boron of friction improver are poor Solution, too high levels can cause gearbox lubrication agent after meeting water, and friction improver hydrolyzes to form acidic materials, causes gear The oxidation deterioration of case lubricant.
Include by each component of the composition the present invention also provides a kind of preparation method of gearbox lubrication agent composition The step of mixing.
Preferably, it the described method comprises the following steps:
(1) base oil is squeezed into stainless steel reconciliation kettle, uniform stirring is warming up to 70-90 DEG C;
(2) adhesive is squeezed into stainless steel reconciliation kettle, heat preservation uniform stirring 20-30 minutes;
(3) polyureas base grease is squeezed into stainless steel reconciliation kettle, heat preservation uniform stirring 30-40 minutes;
(4) it is cooled to 45-55 DEG C, anti-microdot is lost into additive, extreme pressure anti-wear additives, antioxidant, friction improver and is squeezed into not The steel that becomes rusty reconciles in kettle, heat preservation uniform stirring 30-40 minutes;
(5) material in stainless steel reconciliation kettle is got, the composition of finished product is obtained after grinding.
The embodiment of the present invention presented below is only used for explanation and illustration purpose, is not intended to limit the present invention.In embodiment In, " part " refers to " mass parts ".
Embodiment 1
By 42 parts of pentaerythrite ester base oils (Hatco companies of the U.S., the trade mark:HATCOL 3320, similarly hereinafter) and 5 parts Cyclohexane diisocyanate (Yutai County Hai Na Environmental Protection Technology Co., Ltd, the trade mark:MDI-100 it) mixes, is heated to 75 DEG C of dissolvings, Obtain the first solution;By 45 parts of pentaerythrite ester base oil and 4 parts of octadecylamine (Sichuan sky oil chemistry Co., Ltd, The trade mark:9518) it mixes, is heated to 75 DEG C, 2 parts of aniline (Dongying City Long Xing Chemical Co., Ltd.s, the trade mark is then added:Aniline) With 2 parts of methylaniline (one base Industrial Co., Ltd. of Shanghai, the trade mark:Methylaniline), it stirs evenly, obtains the second solution;It will First solution injects mixing constant temperature stirring in the second solution, temperature is risen to 160 DEG C later, insulated and stirred obtains polyureas Ji Run Consistent lubricant.
By 23.5 parts of base oil polyalphaolefin (ExxonMobil companies of the U.S., trade mark SPEOTRASYN 40, similarly hereinafter), double seasons 25 parts of Doutrate (HATCOL companies of the U.S., trade mark HATCOL 3165, similarly hereinafter) is squeezed into stainless steel and is reconciled in kettle, uniform stirring It is warming up to 80 DEG C;By 8 parts of adhesive polyisobutene PB2400 (great Lin companies of South Korea, trade mark PB2400, similarly hereinafter), multiple ester Priolube 3986 (standing grain major company of Britain, the trade mark:Priolube 3986, similarly hereinafter) squeezes into stainless steel and reconcile in kettle for 7 parts, heat preservation Uniform stirring 30 minutes;Above-mentioned polyureas base grease is squeezed into stainless steel reconciliation kettle for 30 parts, heat preservation uniform stirring 40 minutes;Drop Temperature loses additive third pungent secondary primary alkyl phosphordithiic acid (Jinzhou Huifa Tianhe Chemical Co., Ltd., the trade mark to 50 DEG C, by anti-microdot T-2005, similarly hereinafter) 2.5 parts, extreme pressure anti-wear additives antimony dialkyl-dithiocarbamate (Vanderbilt company of the U.S., the trade mark Vanlube 73, similarly hereinafter) 1 part, (Vanderbilt company of the U.S., the trade mark are phosphoric acid aminated compounds:Vanlube 692, under 1 part together), 1 part of antioxidant carbamate (Vanderbilt company of the U.S., trade mark Vanlube 996E, similarly hereinafter), friction improves 1 part of the non-sulphur phosphorus liquid organic-molybdenum of agent (Vanderbilt company of the U.S., trade mark Molyvan 855, similarly hereinafter) squeezes into stainless steel reconciliation Uniform stirring 30 minutes are kept the temperature in kettle;Material in stainless steel reconciliation kettle is got, is obtained after being ground using three-roll grinder The composition I of finished product.
Embodiment 2
By 23.5 parts of base oil polyalphaolefin, 25 parts of pentaerythritol fatty acid ester is squeezed into stainless steel reconciliation kettle, uniform stirring heating To 80 DEG C;PB24008 parts of adhesive polyisobutene, multiple 39867 parts of ester Priolube are squeezed into stainless steel reconciliation kettle, heat preservation Uniform stirring 30 minutes;Polyureas base grease (the preparation method is the same as that of Example 1) is squeezed into reconciliation kettle for 30 parts, uniform stirring is kept the temperature 40 minutes;50 DEG C are cooled to, anti-microdot is lost into pungent 2.5 parts of the secondary primary alkyl phosphordithiic acid of additive third, extreme pressure anti-wear additives methylene 1 part of the double Keywords dibutyl dithiocarbamates of base (Vanderbilt company of the U.S., trade mark Vanlube 7723, similarly hereinafter), phosphoric acid 1 part of aminated compounds, antioxidant pair, p- octyl diphenylamine (Vanderbilt company of the U.S., trade mark Vanlube81, similarly hereinafter) 1 Part, 1 part of friction improver oleic acid epoxy ester (standing grain major company of Britain, trade mark Perfad FM3339, similarly hereinafter) is squeezed into reconciling kettle Keep the temperature uniform stirring 30 minutes;Material in stainless steel reconciliation kettle is got, finished product is obtained after being ground using three-roll grinder Compositions II.
Embodiment 3
By 20 parts of base oil polyalphaolefin, 20 parts of pentaerythritol fatty acid ester is squeezed into stainless steel reconciliation kettle, and uniform stirring is warming up to 80℃;By PB24008 parts of adhesive polyisobutene, multiple ester Ar3986-1 (standing grain major company of Britain, the trade mark:Ar3986-1, similarly hereinafter) 7 Part is squeezed into stainless steel reconciliation kettle, heat preservation uniform stirring 30 minutes;By 36 parts of polyureas base grease (the preparation method is the same as that of Example 1) It squeezes into reconciling kettle, heat preservation uniform stirring 40 minutes;50 DEG C are cooled to, the anti-microdot erosion pungent secondary primary alkyl two of additive third is thio 3.5 parts of phosphoric acid, 1 part of extreme pressure anti-wear additives di-2-ethylhexylphosphine oxide Keywords dibutyl dithiocarbamate, 1.5 parts of phosphoric acid aminated compounds resist Oxygen agent pair, 1.5 parts of p- octyl diphenylamine, friction improver sulphur molybdenum phosphate (Vanderbilt company of the U.S., the trade mark Vanderbilt Molyvan L, similarly hereinafter) 1.5 parts, squeeze into heat preservation uniform stirring 30 minutes in reconciling kettle;Stainless steel is reconciled into kettle In material get, the composition III of finished product is obtained after being ground using three-roll grinder.
Embodiment 4
By 21 parts of base oil polyalphaolefin, 23.8 parts of pentaerythritol fatty acid ester is squeezed into stainless steel reconciliation kettle, uniform stirring heating To 80 DEG C;PB24005 parts of adhesive polyisobutene, multiple 39867 parts of ester Priolube are squeezed into stainless steel reconciliation kettle, heat preservation Uniform stirring 30 minutes;Polyureas base grease (the preparation method is the same as that of Example 1) is squeezed into reconciliation kettle for 35 parts, uniform stirring is kept the temperature 40 minutes;50 DEG C are cooled to, anti-microdot is lost into pungent 3 parts of the secondary primary alkyl phosphordithiic acid of additive third, extreme pressure anti-wear additives methylene 1.5 parts of double Keywords dibutyl dithiocarbamates, 1 part of phosphoric acid aminated compounds, antioxidant pair, 1.5 parts of p- octyl diphenylamine, 1.2 parts of friction improver oleic acid epoxy ester squeezes into heat preservation uniform stirring 30 minutes in reconciling kettle;By the object in stainless steel reconciliation kettle Material is got, and the composition IV of finished product is obtained after being ground using three-roll grinder.
Comparative example 1
By 25 parts of base oil polyalphaolefin, 25 parts of pentaerythritol fatty acid ester is squeezed into stainless steel reconciliation kettle, and uniform stirring is warming up to 80℃;PB24008 parts of adhesive polyisobutene, multiple 39867 parts of ester Priolube are squeezed into stainless steel reconciliation kettle, heat preservation is equal Even stirring 30 minutes;Polyureas base grease (the preparation method is the same as that of Example 1) is squeezed into stainless steel reconciliation kettle for 30 parts, heat preservation is uniform Stirring 40 minutes;50 DEG C are cooled to, by 2 parts of extreme pressure anti-wear additives antimony dialkyl-dithiocarbamate, phosphoric acid aminated compounds 1 Part, 1 part of antioxidant carbamate, 1 part of the non-sulphur phosphorus liquid organic-molybdenum of friction improver is squeezed into stainless steel reconciliation kettle and is kept the temperature Even stirring 30 minutes;Material in stainless steel reconciliation kettle is got, the combination of finished product is obtained after being ground using three-roll grinder Object V.
Comparative example 2
By 24.5 parts of base oil polyalphaolefin, 25 parts of pentaerythritol fatty acid ester is squeezed into stainless steel reconciliation kettle, uniform stirring heating To 80 DEG C;PB24008 parts of adhesive polyisobutene, multiple Ar3986-17 parts of ester are squeezed into stainless steel reconciliation kettle, heat preservation is uniformly stirred It mixes 30 minutes;Polyureas base grease (the preparation method is the same as that of Example 1) is squeezed into stainless steel reconciliation kettle for 30 parts, uniform stirring is kept the temperature 40 minutes;50 DEG C are cooled to, anti-microdot is lost into pungent 2.5 parts of the secondary primary alkyl phosphordithiic acid of additive third, extreme pressure anti-wear additives dioxane 1 part of base antimony dithiocarbamate, 1 part of phosphoric acid aminated compounds, 1 part of antioxidant carbamate squeeze into stainless steel reconciliation kettle Middle heat preservation uniform stirring 30 minutes;Material in stainless steel reconciliation kettle is got, is obtained into after being ground using three-roll grinder The composition VI of product.
Comparative example 3
By 23.5 parts of base oil polyalphaolefin, 25 parts of pentaerythritol fatty acid ester is squeezed into stainless steel reconciliation kettle, uniform stirring heating To 80 DEG C;PB24008 parts of adhesive polyisobutene, multiple Ar3986-17 parts of ester are squeezed into stainless steel reconciliation kettle, heat preservation is uniformly stirred It mixes 30 minutes;Polyureas base grease (the preparation method is the same as that of Example 1) is squeezed into stainless steel reconciliation kettle for 30 parts, uniform stirring is kept the temperature 40 minutes;50 DEG C are cooled to, anti-microdot is lost into pungent 2.5 parts of the secondary primary alkyl phosphordithiic acid of additive third, extreme pressure anti-wear additives dioxane 1 part of base antimony dithiocarbamate, 1 part of phosphoric acid aminated compounds, 1 part of antioxidant carbamate, friction improver nanometer boron 1 part of ceramic friction modifier (how chemical (mountain of mobilizing troop) Co., Ltd, trade mark KMK101), squeezes into stainless steel and reconciles and keep the temperature in kettle Uniform stirring 30 minutes;Material in stainless steel reconciliation kettle is got, the group of finished product is obtained after being ground using three-roll grinder Close object VII.
Comparative example 4
By 20.5 parts of base oil polyalphaolefin, 30 parts of pentaerythritol fatty acid ester is squeezed into stainless steel reconciliation kettle, uniform stirring heating To 80 DEG C;PB24008 parts of adhesive polyisobutene, multiple Ar3986-18 parts of ester are squeezed into stainless steel reconciliation kettle, heat preservation is uniformly stirred It mixes 30 minutes;Polyureas base grease (the preparation method is the same as that of Example 1) is squeezed into stainless steel reconciliation kettle for 10 parts, uniform stirring is kept the temperature 40 minutes;50 DEG C are cooled to, anti-microdot is lost into pungent 2.5 parts of the secondary primary alkyl phosphordithiic acid of additive third, extreme pressure anti-wear additives methylene Base double 3 parts of Keywords dibutyl dithiocarbamate, 6 parts of phosphoric acid aminated compounds, 7 parts of antioxidant carbamate, friction improve 5 parts of the non-sulphur phosphorus liquid organic-molybdenum of agent squeezes into heat preservation uniform stirring 30 minutes in reconciling kettle;Material in stainless steel reconciliation kettle is beaten Go out, the composition VIII of finished product is obtained after being ground using three-roll grinder.
Comparative example 5
Base oil monoesters (Nanjing WeiEr chemical engineering Co., Ltd, trade mark SMZ-4) is squeezed into stainless steel reconciliation kettle for 48.5 parts, Uniform stirring is warming up to 80 DEG C;By adhesive polyisobutene INEOS H-2100 (Ineos company of Switzerland, trade mark INEOS H- 2100) it squeezes into stainless steel reconciliation kettle for 15 parts, heat preservation uniform stirring 30 minutes;By polyureas base grease, (preparation method is the same as implementation Example 1) 30 parts squeeze into and reconcile kettle, heat preservation uniform stirring 40 minutes;50 DEG C are cooled to, anti-microdot is lost into the pungent secondary primary alkane of additive third 2.5 parts of base phosphordithiic acid, 2 parts of extreme pressure anti-wear additives potassium metaborate (Tianjin Bei Lian fine chemicals development corporation, Ltd.) resist Oxygen agent four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester (Xing Tian new materials Co., Ltd of Shenzhen, board Number Irganox 1010) 1 part, 1 part of friction improver oleic acid epoxy ester squeezes into heat preservation uniform stirring 30 minutes in reconciling kettle;It will Material in stainless steel reconciliation kettle is got, and the composition IX of finished product is obtained after being ground using three-roll grinder.
It is shown in Table 1 by the property indices of the gearbox lubrication agent prepared by said gear case lubricant compositions I-IX:
The property indices of gearbox lubrication agent prepared by 1 gearbox lubrication agent composition of table
From the gearbox lubrication agent I- that can be seen that in the property indices of 1 gearbox lubrication agent of table in embodiment 1-4 IV has excellent extreme pressure and antiwear behavior so that gear-box is in operation process using gearbox lubrication agent of the present invention Reduce the damage that gear is brought by friction;Have excellent anti-micro- pitting corrosion, the gear that can be effectively prevent inside because of gear-box Surface micro- point corrosion in metal surface caused by gear material itself, operating condition of gear etc.;Has smaller friction system Number, not only substantially prolongs the service life of gear, and can save driving force, reaches energy-saving excellent properties.
As can be seen that adding since comparative example 1 is not added with anti-microdot erosion from the property indices of 1 gearbox lubrication agent of table Add agent, embodies defects of the gearbox lubrication agent V on resisting micro- pitting corrosion, be easy to cause rippling, reduce the work of gear Make the service life.
From the property indices of 1 gearbox lubrication agent of table as can be seen that since comparative example 2 is not added with reduction gear-box The friction improver of friction coefficient between internal gear, so the friction obtained in the Test of Friction of gearbox lubrication agent VI Factor v is larger, and gearbox lubrication agent VI cannot be energy-saving to realize by reducing the friction coefficient operated between gear.
As can be seen that comparative example 3 has selected range of the present invention from the property indices of 1 gearbox lubrication agent of table Friction improver in addition, gearbox lubrication agent VII friction coefficient is larger, equally cannot be by reducing the friction operated between gear Coefficient is energy-saving to realize.
From each component that can be seen that in the property indices of 1 gearbox lubrication agent of table in comparative example 4 all in the present invention Other than the range, the cone penetration numerical value of gearbox lubrication agent VIII is larger, and tooth is be easy to cause after being added in gear-box Roller box lubricant is leaked out from from gearbox seals or in pilot hole;Extreme pressure and antiwear behavior is poor, cannot be the gear in gear-box Excellent wear-resistant protection is provided when operating under high loads;Friction coefficient numerical value is larger, and microdot erosion bearing capacity is low, and showing cannot It is realized by reducing the friction coefficient operated between gear energy-saving and easily causes rippling inside gear-box Damage.
As can be seen that comparative example 5 has selected range of the present invention from the property indices of 1 gearbox lubrication agent of table Antioxidant, base oil and extreme pressure anti-wear additives in addition, four ball milling spot diameters, four-ball test index performance are poor, especially in pole Safe extreme-pressure anti-wear can not be provided using lubricant to protect, so that friction coefficient is increased, cause tooth in the gear-box of ballast load Surface wear, and cause the erosion agent of anti-microdot that can not effectively prevent the spot corrosion of metal surface.

Claims (9)

1. a kind of gearbox lubrication agent composition, which is characterized in that by each component gross mass of the composition be 100% in terms of, Including following components:
The base oil is that dewaxing refines base oil, polyalphaolefin, pentaerythritol ester, pentaerythritol fatty acid ester, trimellitate, three Hydroxymethyl-propane oleate, 40 DEG C when viscosity be 32-1000mm2Multiple ester, polyethers, silicone oil, two different tridecanol dibasic acid esters, the adjacent benzene of/s It is one or more in diformazan acid diester, bis adipate;
The extreme pressure anti-wear additives be antimony dialkyl-dithiocarbamate, di-2-ethylhexylphosphine oxide Keywords dibutyl dithiocarbamate, Phosphoric acid aminated compounds, three potassium borate neutral oil dispersion liquids, chlorinated biphenyl, acid phosphoric acid ester, acidic phosphite, sulfurized fatty Oil, sulphur phosphoric acid nitrogen containing derivative, tricresyl phosphate, D2EHDTPA amine salt, isooctyl acid phosphate octadecylamine salt, thio phosphorus Sour three alizarinic acids, sulfide isobutene, dibenzyldisulfide, aminothio ester, lead naphthenate, dibutyl dithiocaarbamate Molybdenum, dibutyl dithiocaarbamate lead, borate, boronation oleamide, A- types organocopper compound, tricresyl phosphate (2,3- dichloros Propane) it is one or more in ester;
The antioxidant be pair, p- octyl diphenylamine, carbamate, alkylation phenyl-α-naphthylamine, octyl-butyl hexichol Amine, bis- (3,5- di-tert-butyl-4-hydroxyl benzyls) thioethers, contains 3,5- di-tert-butyl-4-hydroxyl benzyls sulfydryl-octyl acetic acid esters One or more of ester group phenol, sulfur-bearing ether phenol;
The friction improver is non-sulphur phosphorus liquid organic-molybdenum, oleic acid epoxy ester, isocyanuric acid melamine, organic boron antifriction It is one or more in agent, sulphur molybdenum phosphate, phosphate, high polymerization organic friction modifiers.
2. gearbox lubrication agent composition according to claim 1, which is characterized in that total with each component of the composition Quality is 100% meter, and the content of polyureas base grease is 30-40 mass %, and the content of base oil is 40-50 mass %, is resisted micro- The content of spot corrosion additive is 2.5-3.5 mass %, and the content of extreme pressure anti-wear additives is 2-3 mass %, and the content of antioxidant is 1-2 The content of quality %, adhesive are 10-15 mass %, and the content of friction improver is 1-1.5 mass %.
3. gearbox lubrication agent composition according to claim 1 or 2, which is characterized in that the polyureas base grease is logical Cross following manner preparation:On the basis of the polyureas base grease gross mass, by the pentaerythrite ester base oil of 40-50 mass % It is mixed with the cyclohexane diisocyanate of 5-6 mass %, is heated to 70-85 DEG C of dissolving, obtains the first solution;By 40-50 matter The pentaerythrite ester base oil of amount % is mixed with the octadecylamine of 3-4 mass %, is heated to 70-85 DEG C, and 1-3 mass % is then added Aniline and 1-2 mass % methylaniline, stir evenly, obtain the second solution;First solution is injected in the second solution and is mixed Constant temperature stirring is closed, temperature is risen to 155-165 DEG C later, insulated and stirred obtains polyureas base grease.
4. gearbox lubrication agent composition according to claim 1 or 2, which is characterized in that the anti-microdot loses additive It is one or more in the third pungent secondary primary alkyl phosphordithiic acid, amine salt of alkyl phosphate, bisphosphonates.
5. gearbox lubrication agent composition according to claim 1 or 2, which is characterized in that the anti-microdot erosion addition Agent is alkyl phosphate diethanolamine salt.
6. gearbox lubrication agent composition according to claim 1 or 2, which is characterized in that the extreme pressure anti-wear additives are Acid dibutyl phosphite.
7. gearbox lubrication agent composition according to claim 1 or 2, which is characterized in that the antioxidant is ester-containing Base hindered phenol.
8. gearbox lubrication agent composition according to claim 1 or 2, which is characterized in that wherein the adhesive is Polyisobutene, 40 DEG C when viscosity be 30000-50000mm2One or both of multiple ester of/s.
9. the preparation method of the gearbox lubrication agent composition according to any one of claim 1-8, which is characterized in that packet Include the step of mixing each component of the composition.
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CN105316094A (en) * 2015-11-24 2016-02-10 苏州盖德精细材料有限公司 Environment-friendly gear lubricant and preparation method thereof
CN105419919A (en) * 2015-11-30 2016-03-23 中山大学惠州研究院 Low-noise polyurea lubricating grease and preparation method thereof
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CN109825348A (en) * 2019-02-25 2019-05-31 江苏澳润新材料有限公司 A kind of low temperature resistant lubricating grease and preparation method thereof
CN110305723B (en) * 2019-07-17 2022-08-05 东莞市巴斯特能源科技有限公司 Novel energy-saving environment-friendly gasoline engine oil composition and preparation method thereof
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