CN105001963B - Gear cleaning renovation agent composition and preparation method thereof - Google Patents
Gear cleaning renovation agent composition and preparation method thereof Download PDFInfo
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- CN105001963B CN105001963B CN201510374029.0A CN201510374029A CN105001963B CN 105001963 B CN105001963 B CN 105001963B CN 201510374029 A CN201510374029 A CN 201510374029A CN 105001963 B CN105001963 B CN 105001963B
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Abstract
The invention discloses a kind of gear cleaning renovation agent composition and preparation method thereof.The gear cleaning renovation agent composition of the present invention, is counted as 100% using each component gross mass of the composition, includes following components：The mass % of synthetic grease 20 40, the mass % of base oil 30 50, the mass % of extreme pressure anti-wear additives 15, the mass % of antioxidant 15, the mass % of matal deactivator 0.5 3, the mass % of metal antirusting agent 0.5 3, the mass % of cleaning additive 5 15, the mass % of solid additive 5 15, the mass % of nanometer renovation agent 1 10.The gear cleaning renovation agent composition of the present invention, not only possesses excellent cleaning performance, extreme pressure and antiwear behavior and self-healing properties, can also solve because of problems such as temperature caused by gear fretting wear is too high, mechanical concussion, noise are big.
Description
Technical field
The present invention relates to a kind of gear cleaning renovation agent composition and preparation method thereof, and in particular to possesses cleaning to one kind
Gear cleaning renovation agent composition of performance, extreme pressure and antiwear behavior and self-healing properties and preparation method thereof, belongs to lubricant skill
Art field.
Background technology
Gear is a kind of transmission device common in raw material processing, is widely used in rotary cement kiln, thermal power plant's rolling
The various big scale production equipments such as cylinder coal pulverizer, steel mill's sintering mixer, mining ball grinding, forge plant forging machine, revolving reaction stove
In.These big scale production equipments be in heavy load, high temperature, more dust bad working environments environment in, its safety work is not only
Depending on the material and design structure of gear in itself, efficient lubricated maintenance is also relied on.
Initial gear is simply lubricated using waste and old machine oil mostly, because common waste used oil is not substantially wear-resistant
Performance, heavy load, high temperature, a large amount of external dusts working environment in, gear be easy to occur abrasion, the flank of tooth cracking, broken teeth
Phenomena such as, seriously affect being normally carried out for production.
Start to be lubricated gear using asphaltic base gear lubricant or big viscosity gear oil later, but this can not
Lubrication protection necessary to being provided for gear under above-mentioned adverse circumstances.Asphaltic base gear lubricant can add a large amount of in production
Solvent, solvent is volatile after high temperature, seriously endangers the health of field worker, pollutes environment, and pitch is after high temperature
Easy coking, is attached to gear surface, it is difficult to removes.Containing mineral oil and substantial amounts of tackifier (as gathered in big viscosity gear oil
Isobutene), these materials are easy to coking at high temperature, can also produce substantial amounts of burnt matter greasy filth and be attached to gear surface.
Number of patent application 201110168113.9 discloses a kind of selfreparing open-type gear grease, be one kind in semifluid
The method that metal repair is added in gear grease.Although it is resonable that a certain amount of metal repair is added in gear lubricant
By can above avoid because machining accuracy is not enough and the defects of flank of tooth pit, cracking, abrasion caused by faulty lubrication, but in gear
Substantial amounts of machining chips are had in process to remain in the pit of the flank of tooth, can not take out among crackle, cause metal maintenance agent
It is difficult to filling to pit, inside crack, and then gear surface can not be repaired.In addition, remain in during gear operation
Machining chips be easy to be taken out of by lubricant, and be mixed into lubricant., will be very if there is iron filings while gear engages
The damage of the flank of tooth is easily caused, so the lubricating grease containing metal repair also is difficult to ensure the safety lubricating protection of gear.
The content of the invention
Problems to be solved by the invention
For the above-mentioned state of the art, the technical problems to be solved by the invention are to provide a kind of gear cleaning renovation agent combination
Thing and preparation method thereof.Described gear cleaning renovation agent has advantages below：(1) there is excellent extreme pressure and antiwear behavior, keep away
Exempted from machining accuracy is coarse, in the case of faulty lubrication caused by abrasion, the generation of cracking phenomena；(2) have and preferably review one's lessons by oneself
Renaturation energy；(3) there is excellent cleaning performance, effectively remove in process or flank of tooth pit caused by faulty lubrication, split
The chip or greasy filth carbon distribution of seam and fray residual；(4) can also solve because temperature caused by gear fretting wear is too high, machine
The problems such as tool shakes, noise is big.
The solution used to solve the problem
The invention provides a kind of gear clean renovation agent composition, using each component gross mass of the composition as
100% meter, includes following components：
According to gear of the present invention clean renovation agent composition, using each component gross mass of the composition as
100% meter, the content of synthetic grease is 20-35 mass %, and the content of base oil is 40-50 mass %, extreme pressure anti-wear additives
Content is 2-3 mass %, and the content of antioxidant is 1-2 mass %, and the content of matal deactivator is 0.5-1 mass %, and metal is prevented
The content of rust agent is 0.5-1 mass %, and the content of cleaning additive is 5-10 mass %, and the content of solid additive is 8-15 matter
% is measured, the content of nanometer renovation agent is 1-5 mass %.
Renovation agent composition is cleaned according to gear of the present invention, the synthetic grease is prepared in the following manner：
On the basis of the gross mass of the synthetic grease,
(1) 30-50 mass % polyalphaolefin base is added, 10-18 mass % stearic acid, is heated to 80-100 DEG C；
(2) 3-9 mass % decanedioic acid is added, is incubated uniform stirring；
(3) 2-9 mass % lithium hydroxide is added, is incubated uniform stirring；
(4) polyalphaolefin base that 30-50 mass % is added after 205-215 DEG C is warming up to, uniform stirring, goes out kettle cooling,
Obtain synthetic grease.
According to gear of the present invention clean renovation agent composition, the base oil be polyalphaolefin, pentaerythritol ester,
Pentaerythritol fatty acid ester, trimellitate, tricarboxymethyl propane oleate, multiple ester, polyethers, silicone oil, two different tridecanol dibasic acid esters, adjacent benzene
One or more in diformazan acid diester, bis adipate.
Renovation agent composition is cleaned according to gear of the present invention, the extreme pressure anti-wear additives are dialkyl dithio amino
Formic acid antimony, di-2-ethylhexylphosphine oxide Keywords dibutyl dithiocarbamate, phosphoric acid aminated compounds, zinc diamyldithiocarbamate,
Three potassium borate neutral oil dispersion liquids, chlorinated biphenyl, acid phosphoric acid ester, acidic phosphite, sulfide fat oil, acid phosphorous acid two
It is butyl ester, sulphur phosphoric acid nitrogen containing derivative, tricresyl phosphate, D2EHDTPA amine salt, isooctyl acid phosphate octadecylamine salt, thio
Tricresyl phosphate alizarinic acid, 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) one or more in ester.
According to gear of the present invention clean renovation agent composition, the antioxidant for pair, p- octyl diphenylamine, ammonia
Carbamate, alkylation phenyl-α-naphthylamine, octyl group-butyl diphenylamines, phenol containing ester group, hindered phenol containing ester group, in sulfur-bearing ether phenol
One or more.
Renovation agent composition is cleaned according to gear of the present invention, the matal deactivator is benzotriazole derivative, thiophene
Oxadiazole derivative, N, the salicylidene propane diamine of N'- bis-, BTA, hydrazone compounds, hydrazide compound, sulphur connection bis-phenol phosphorous
One or more in acid esters, benzyl phosphoric acid nickel salt, pyridine sulfuric acid tin compound.
Renovation agent composition is cleaned according to gear of the present invention, the metal antirusting agent is thiophosphane base phenol zinc
Salt, sulphur phosphorus octyl alconyl zinc salt, phosphosulfurized olefin calcium salt, phosphoric acid fatty alcohol zinc salt, methylene (the sulphur formic acid esters of dibutyl amine two) are derivative
Thing, synthesis barium sulfonate, heavy alkylbenzene sulfonic acid barium, petroleum sodium sulfonate, synthetic sodium sulfonate, sodium heavy alkyl benzene sulfonate, 17 alkenyl miaows
Oxazoline alkenyl succinate, zinc naphthenate, barium dinonyl napthalene sulphonate, benzotriazole, synthesis sulfonic acid magnesium, alkyl phosphoric acid imidazoles
Quinoline salt, oxidized petrolatum barium soap, alkenyl succinic acid ester, lanolin magnesium soap, dehydrating sorbitol monooleate, triethanolamine oleate
One or more in ester, sulfonated castor oil, ricinoleic ester potassium, three ancient butylamine, lanolin.
Renovation agent composition is cleaned according to gear of the present invention, the cleaning additive is Isopars, two
One or more in butyl glycol ether, butyl glycol ether, diallyl ethylene glycol monobutyl ether.
Renovation agent composition is cleaned according to gear of the present invention, the solid additive is graphite powder, polytetrafluoroethyl-ne
Alkene, precipitated calcium carbonate, the one or more of Nano diamond.
Renovation agent composition is cleaned according to gear of the present invention, described nanometer renovation agent is nano-nickel powder, nanometer
One or both of molybdenum powder.
Present invention also offers a kind of preparation method that renovation agent composition is cleaned according to gear of the present invention, including
The step of each component of the composition is mixed.
The preparation method of renovation agent composition is cleaned according to gear of the present invention, is comprised the following steps：
(1) base oil is squeezed into stainless steel mediation kettle, is warming up to 50-70 DEG C；
(2) extreme pressure anti-wear additives, antioxidant, matal deactivator, metal antirusting agent are squeezed into stainless steel mediation kettle, insulation is equal
Even stirring 20-40 minutes；
(3) solid additive, nanometer renovation agent are squeezed into stainless steel mediation kettle, is incubated uniform stirring 20-40 minutes；
(4) synthetic grease is squeezed into stainless steel mediation kettle, insulation uniform stirring -1 hour 30 minutes；
(5) 35-45 DEG C is cooled to, cleaning additive is squeezed into stainless steel mediation kettle, uniform stirring -1 hour 30 minutes；
(6) material goes out kettle, gets product composition.
The effect of invention
Gear cleaning renovation agent prepared by gear cleaning renovation agent composition provided by the present invention, the gear cleaning
Cleaning additive is included in renovation agent, can effectively remove the chip that gear remains in process, the flank of tooth can also be goed deep into
Inside pit, crackle gap, flank of tooth pit will be remained in, the metal fragment inside crackle gap suspends and taken out of；The gear is clear
Wash and nanometer renovation agent is included in renovation agent, can be effectively by gear surface reparation to smooth, especially suitable for the examination in gear
Car running in stage., can be effectively by the greasy filth carbon distribution of the flank of tooth for the gear apparatus of long-term use of pitch, big viscosity gear oil
Dissolving cleans up, and particularly flank of tooth pit, the greasy filth carbon distribution in crackle gap are rapidly dissolvable scattered and are repaiied by gear cleaning
Multiple agent is taken out of；Furthermore it is also possible to solve because of problems such as temperature caused by gear fretting wear is too high, mechanical concussion, noise are big.
Brief description of the drawings
Fig. 1 is to clean the gear surface schematic diagram after renovation agent is repaired using gear of the present invention.
Fig. 2 is the gear surface schematic diagram for not using renovation agent reparation.
Embodiment
The present invention provides a kind of gear cleaning renovation agent composition, using each component gross mass of the composition as 100%
Meter, includes following components：
The synthetic grease is prepared in the following manner：On the basis of the gross mass of the synthetic grease,
(1) 30-50 mass % polyalphaolefin base is added, 10-18 mass % stearic acid, is heated to 80-100 DEG C；
(2) 3-9 mass % decanedioic acid is added, is incubated uniform stirring；
(3) 2-9 mass % lithium hydroxide is added, is incubated uniform stirring；
(4) polyalphaolefin base that 30-50 mass % is added after 205-215 DEG C is warming up to, uniform stirring, goes out kettle cooling,
Obtain synthetic grease.
Polyalphaolefin base adds in two batches in process of production, and the polyalphaolefin base that second batch adds can also give
Mixture fast cooling, plays a part of chilling.
Calculated using each component gross mass of gear cleaning renovation agent composition as 100%, the addition of synthetic grease is
20-40 mass %, preferably 20-35 mass %, synthetic grease of the present invention possess excellent extreme pressure and antiwear behavior, can conduct
The carrier of other additives.If the content of the synthetic grease is less than addition of the present invention, gear cleaning is repaiied
The extreme pressure and antiwear behavior of multiple agent is poor, does not reach the denseness needed for gear lubrication, prevents other components from being well mixed；If close
Content into lubricating grease is more than addition of the present invention, then the content of other additives can be reduced accordingly, cause to match
The unbalance combination property for influenceing gear cleaning renovation agent.
The gear cleaning renovation agent composition of the present invention, wherein, the base oil refines base oil to dewax, polyalphaolefin,
Pentaerythritol ester, pentaerythritol fatty acid ester, trimellitate, trimethylolpropane olein, two different tridecanol dibasic acid esters, O-phthalic
Acid diester, bis adipate, multiple ester (such as：Trade mark HATCOL3371), polyethers (such as：Trade mark BREOX 50A 225, the trade mark
Polyglykol D21/150 etc.), the one or more of silicone oil.
Being calculated using gear cleaning renovation agent each component gross mass as 100%, the addition of base oil is 30-50 mass %,
It is preferred that 40-50 mass %, base oil of the present invention has stronger greasy property and bearing capacity, can add solid and liquid
Add agent dispersed, synthetic grease is diluted to the cone penetration needed for gear lubrication.If the content of described base oil is small
In addition of the present invention, then synthetic grease can not be diluted to the cone penetration needed for gear, greasy property reduces；Such as
The addition of base oil described in fruit is more than addition of the present invention, then the cone penetration value of gear cleaning renovation agent can be compared with
Greatly, gear cleaning renovation agent can come off because cone penetration value is excessive during high temperature, cause lubrication failure.
The gear cleaning renovation agent composition of the present invention, wherein, the extreme pressure anti-wear additives are dialkyl dithio amino first
Sour antimony (such as：Trade mark Vanlube 73), di-2-ethylhexylphosphine oxide Keywords dibutyl dithiocarbamate, phosphoric acid aminated compounds (such as：
Trade mark Vanlube 692), zinc diamyldithiocarbamate, three potassium borate neutral oil dispersion liquids, chlorinated biphenyl, acid phosphorus
Acid esters, acidic phosphite, sulfide fat oil, acid dibutyl phosphite, sulphur phosphoric acid nitrogen containing derivative, tricresyl phosphate,
D2EHDTPA amine salt, isooctyl acid phosphate octadecylamine salt, tri o cresyl thiophosphate alizarinic acid, sulfide isobutene, benzyl disulfide
Thing (such as：Trade mark T-322), aminothio ester, lead naphthenate, dibutyl dithiocaarbamate molybdenum, dibutyl dithio ammonia
Base lead formate, borate, boronation oleamide, A- types organocopper compound (such as：Trade mark T-361), tricresyl phosphate (2,3- dichloros third
Alkane) ester one or more.
Calculated using gear cleaning renovation agent each component gross mass as 100%, the addition of extreme pressure anti-wear additives is 1-5 matter
%, preferably 2-3 mass % are measured, extreme pressure anti-wear additives of the present invention can effectively suppress gear caused abrasion in operation process,
The performance of bearing resistance abrasion is lifted, ensures the normal work of gear, increases the service life.If the content of extreme pressure anti-wear additives is small
In addition of the present invention, then gear cleaning renovation agent can not provide the extreme-pressure anti-wear protective value needed for gear, easily make
Worn into gear surface；If the content of extreme pressure anti-wear additives is more than addition of the present invention, extreme pressure anti-wear additives can not be effective
Coordinate base oil and synthetic grease, be not only unable to reach more preferably extreme-pressure anti-wear effect, while influence gear cleaning renovation agent
Other performances, extreme pressure anti-wear additives are mostly sulfur material in addition, and excessive sulphur can also corrode gear surface.
The present invention gear cleaning renovation agent composition, wherein, the antioxidant for pair, p- octyl diphenylamine, amino first
Acid esters, alkylation phenyl-α-naphthylamine (such as：Trade mark Naugalube APAN), octyl group-butyl diphenylamines, (the example of phenol containing ester group
Such as：The phenol of HMW containing ester group, trade mark IRGANOX L135), hindered phenol containing ester group (such as：Trade mark Naugalube 531), contain
Thioether group phenol (such as：Sulfide-containing Hindered based high molecular amount phenol, trade mark IRGANOX L115) one or more.
Calculated using gear cleaning renovation agent each component gross mass as 100%, the addition of antioxidant is 1-5 mass %, excellent
1-2 mass % is selected, antioxidant of the present invention can effectively lift the antioxygenic property of gear cleaning renovation agent, effectively described in suppression
The oxidation deterioration of renovation agent simultaneously increases the service life.If the content of described antioxidant is less than addition of the present invention,
The antioxidant of lower content, the oxidation of base oil can not be completely inhibited, and antioxidant is easily consumed, and causes the rapid oxygen of renovation agent
Change rotten；If the content of described antioxidant is more than addition of the present invention, the outer of gear cleaning renovation agent is easily caused
Discoloration is seen, greasy property reduces, and is unable to reach the greasy property needed for gear.
The gear cleaning renovation agent composition of the present invention, wherein, described matal deactivator benzotriazole derivative, thiadiazoles
Derivative, N, the salicylidene propane diamine of N'- bis-, BTA, hydrazone compounds, hydrazide compound (such as：Trade mark Irganox
MD-1024), sulphur connection bis-phenol phosphite ester, benzyl phosphoric acid nickel salt, pyridine sulfuric acid tin compound (such as：Trade mark IRGALUBE 39)
One or more.
Calculated using each component gross mass of gear cleaning renovation agent composition as 100%, the addition of matal deactivator is
0.5-3 mass %, preferably 0.5-1 mass %, matal deactivator of the present invention can effectively suppress metal ion and gear cleaned
The catalytic action of renovation agent oxidation, coordinate antioxidant lifting gear cleaning renovation agent oxidation resistance, extend the use of renovation agent
Life-span.If the content of matal deactivator is less than addition of the present invention, the matal deactivator of lower content, can not effectively press down
The catalytic action that metal ion processed is aoxidized to renovation agent, it is impossible to effectively coordinate with antioxidant, cause gear to clean renovation agent
Rapid oxidation goes bad, and quickly loses lubrication efficiency；If the content of matal deactivator is more than addition of the present invention, due to gold
Category passivator cost is higher, and the cost of the renovation agent can accordingly increase, and the matal deactivator of too high amount can influence to repair
The addition of the other additives and synthetic base oil of agent, directly influence the combination property of oil product.
The gear cleaning renovation agent composition of the present invention, wherein, the metal antirusting agent is thiophosphane base phenol zinc salt (example
Such as：Trade mark T-201), sulphur phosphorus octyl alconyl zinc salt (such as：Trade mark T-202), phosphosulfurized olefin calcium salt (such as：Trade mark T-203),
Phosphoric acid fatty alcohol zinc salt, methylene (the sulphur formic acid esters of dibutyl amine two) derivative, synthesis barium sulfonate, heavy alkylbenzene sulfonic acid barium, oil
Sodium sulfonate, synthetic sodium sulfonate, sodium heavy alkyl benzene sulfonate, heptadecenyl imidazolidene succinate, zinc naphthenate, dinonyl naphthalene
Sulfonic acid barium salt, benzotriazole, synthesis sulfonic acid magnesium, alkyl phosphoric acid imidazoline salt, oxidized petrolatum barium soap, alkenyl succinic acid ester
(such as：Trade mark T-747), lanolin magnesium soap, dehydrating sorbitol monooleate, triethanolamine oleate ester, sulfonated castor oil, castor
Numb ester potassium, three ancient butylamine, the one or more of lanolin.
Calculated using each component gross mass of gear cleaning renovation agent composition as 100%, the addition of metal antirusting agent is
0.5-3 mass %, preferably 0.5-1 mass %, metal antirusting agent of the present invention can form one layer of chemoproection in gear surface
Film, completely cut off gear surface contact with oxygen and moisture, there is provided excellent rustless property.If the content of metal antirusting agent is less than
Addition of the present invention, the metal antirusting agent component of lower content are difficult to form diaphragm in gear surface, so as to hinder
Anoxybiotic gas and water point and acidic materials corrosion gear；If the content of metal antirusting agent is more than addition of the present invention, excessive
Metal antirusting agent can be chemically reacted with the metal surface of gear, it is easy to which metal surface is damaged.
The present invention gear cleaning renovation agent composition, wherein, the cleaning additive be Isopars (such as：
Trade mark ISOPAR E, trade mark ISOPAR G, trade mark ISOPAR H, the trade mark ISOPAR L, the trade mark ISOPAR M etc.), diethylene glycol
Butyl ether, butyl glycol ether, the one or more of diallyl ethylene glycol monobutyl ether.
Calculated using gear cleaning renovation agent composition each component gross mass as 100%, the addition of cleaning additive is 5-
15 mass %, preferably 5-10 mass %, cleaning additive of the present invention, to oil product because coking caused by high temperature and carbon residue have
Very excellent solubility property, flank of tooth pit, crackle gap and fray can be effectively infiltrated into, makes to be deposited in the oil in dead angle
Mud, carbon distribution suspended dispersed, take out of with cleaning additive.If the content of cleaning additive of the present invention is less than institute of the present invention
The addition stated, the cleaning additive of lower content can not dissolve the carbon distribution in gear crack gap, flank of tooth pit, coking clearly
Wash；If the content of cleaning additive of the present invention is more than addition of the present invention, cleaning additive is possessed in itself
Extreme pressure and antiwear behavior it is poor, the cleaning additive of more content can influence extreme pressure anti-wear of the gear needed under worst hot case
Energy.
The present invention gear cleaning renovation agent composition, wherein, the solid additive be graphite powder, polytetrafluoroethylene (PTFE),
The one or more of precipitated calcium carbonate, Nano diamond.
Calculated using gear cleaning renovation agent composition each component gross mass as 100%, the content of solid additive is 5-15
Quality %, preferably 8-15 mass %, solid additive of the present invention can provide required extreme pressure and antiwear behavior and profit for gear
Slip energy.If the content of solid additive is less than addition of the present invention, gear cleaning renovation agent can not meet gear
Required lubrication protection；If the content of solid additive is more than addition of the present invention, because solid additive is in high temperature
It is difficult to consume under operating mode, the solid additive of high level easily condenses the surface for being attached to gear.
The gear cleaning renovation agent composition of the present invention, wherein, described nanometer renovation agent is nano-nickel powder, nano Mo powder
One or both of.Calculated using gear cleaning renovation agent composition each component gross mass as 100%, the addition of nanometer renovation agent
Measure as 1-10 mass %, preferably 1-5 mass %, nanometer renovation agent of the present invention can be filled in gear surface pit,
In gap, gear surface reparation can also be formed into layer of metal diaphragm to smooth in gear surface；Solve because of gear friction
Temperature caused by abrasion is too high, mechanical concussion, the problem of noise is big.If the content of nanometer renovation agent is less than of the present invention
Addition, the nanometer renovation agent of lower content is difficult to gear surface reparation to smooth；If the content of renovation agent is more than this
The described addition of invention, because nanometer renovation agent does not possess extreme pressure and antiwear behavior, the nanometer renovation agent of too high amount easily influences
The combination property of gear cleaning renovation agent resistance impact load and extreme-pressure anti-wear.
In addition to the components described above, composition of the invention can also include other conventional additive components.
The present invention also provides a kind of preparation method of gear cleaning renovation agent composition, including by the composition
The step of each component mixes.
Preferably, methods described comprises the following steps：
(1) base oil is squeezed into stainless steel mediation kettle, is warming up to 50-70 DEG C；
(2) extreme pressure anti-wear additives, antioxidant, matal deactivator, metal antirusting agent are squeezed into stainless steel mediation kettle, insulation is equal
Even stirring 20-40 minutes；
(3) solid additive, nanometer renovation agent are squeezed into stainless steel mediation kettle, is incubated uniform stirring 20-40 minutes；
(4) synthetic grease is squeezed into stainless steel mediation kettle, insulation uniform stirring -1 hour 30 minutes；
(5) 35-45 DEG C is cooled to, cleaning additive is squeezed into stainless steel mediation kettle, uniform stirring -1 hour 30 minutes；
(6) material goes out kettle, gets product composition.
Embodiments of the invention presented below, it 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
Counted using the gross mass of the synthetic grease as 100%, add 39.65 mass % polyalphaolefin base, 12 matter
% stearic acid is measured, is heated to 85 DEG C；4.7 mass % decanedioic acid is added, is incubated uniform stirring；Add 4 mass % hydrogen-oxygen
Change lithium, be incubated uniform stirring；39.65 mass % polyalphaolefin bases are added after being warming up to 210 DEG C, uniform stirring, it is cold to go out kettle
But, synthetic grease is obtained.
By 33 parts of base oil polyalphaolefin (ExxonMobil companies of the U.S., trade mark SPEOTRASYN 100, similarly hereinafter), inclined benzene
15 parts of three acid esters (standing grain major company of Britain, trade mark Priolube 1938, similarly hereinafter), squeeze into stainless steel and reconcile in kettle, be warming up to 65
℃；By extreme pressure anti-wear additives antimony dialkyl-dithiocarbamate (Vanderbilt company of the U.S., trade mark Vanlube 73, similarly hereinafter)
3 parts, 1 part of antioxidant alkylation phenyl-α-naphthylamine (Chemtura Corporation of the U.S., trade mark Naugalube APAN, similarly hereinafter), metallic blunt
0.5 part of agent benzotriazole derivative (BASF Aktiengesellschaft, trade mark IRGAMET 39, similarly hereinafter), metal antirusting agent dinonyl naphthalene
0.5 part of sulfonic acid barium salt (Guangzhou Su Zhong Chemical Industry Science Co., Ltd, trade mark T-705, similarly hereinafter), squeezes into stainless steel and reconciles and be incubated in kettle
65 DEG C, uniform stirring 30 minutes；By solid additive precipitated calcium carbonate (Shanghai Qi Ju Chemical Co., Ltd.s, trade mark lightweight carbonic acid
Calcium, similarly hereinafter) 5 parts, 10 parts of graphite powder (Huayuan Chemical Co., Ltd. of Shanghai Huayi Group, trade mark aquadag -00#, similarly hereinafter), receive
3 parts of rice renovation agent nano-nickel powder (Beijing Deco island Science and Technology Ltd., trade mark DK-Ni-001, similarly hereinafter), squeezes into stainless steel mediation
In kettle, insulation uniform stirring 40 minutes；Synthetic grease is squeezed into stainless steel mediation kettle for 21 parts, insulation uniform stirring 40 divides
Clock；40 DEG C are cooled to, by cleaning additive Isopars ISOPAR M (ExxonMobil, trade mark ISOPAR M, similarly hereinafter) 8
Part is squeezed into stainless steel mediation kettle, and uniform stirring 30 minutes, material goes out kettle, gets product composition I.
Embodiment 2
By 33 parts of base oil pentaerythritol fatty acid ester (Hatco companies of the U.S., trade mark HATCOL 3165), pentaerythritol ester
15 parts of Priolube 3987 (standing grain major company of Britain, trade mark Priolube 3987, similarly hereinafter), squeeze into stainless steel and reconcile in kettle, rise
Temperature is to 65 DEG C；By extreme pressure anti-wear additives di-2-ethylhexylphosphine oxide Keywords dibutyl dithiocarbamate (Vanderbilt company of the U.S., the trade mark
Vanlube 7723) 3 parts, antioxidant pair, p- octyl diphenylamine (Vanderbilt company of the U.S., trade mark Vanlube 81) 1
Part, 0.5 part of matal deactivator benzotriazole derivative, 0.5 part of metal antirusting agent barium dinonyl napthalene sulphonate, squeeze into stainless steel mediation
65 DEG C are incubated in kettle, uniform stirring 30 minutes；By 5 parts of solid additive precipitated calcium carbonate, 10 parts of graphite powder, nanometer renovation agent is received
3 parts of nickel powder of rice, squeeze into stainless steel mediation kettle, insulation uniform stirring 40 minutes；By synthetic grease (the same embodiment of preparation method
1) squeeze into stainless steel mediation kettle for 21 parts, insulation uniform stirring 40 minutes；40 DEG C are cooled to, cleaning additive isoparaffin is molten
8 parts of agent ISOPAR M are squeezed into stainless steel mediation kettle, and uniform stirring 30 minutes, material goes out kettle, gets product composition II.
Embodiment 3
By 25 parts of base oil polyalphaolefin, 25 parts of trimellitate, squeeze into stainless steel mediation kettle, be warming up to 65 DEG C；By pole
Press 2 parts of antiwear additive antimony dialkyl-dithiocarbamate, antioxidant 1 part of phenyl-α-naphthylamine of alkylation, matal deactivator benzotriazole
0.5 part of derivative, 0.5 part of metal antirusting agent alkenyl succinic acid ester (Shanghai Mead jar (unit of capacitance) moral Chemical Co., Ltd., similarly hereinafter), is squeezed into
65 DEG C are incubated in stainless steel mediation kettle, uniform stirring 30 minutes；By 4 parts of solid additive precipitated calcium carbonate, 4 parts of graphite powder, receive
1 part of rice renovation agent nano-nickel powder, squeeze into stainless steel mediation kettle, insulation uniform stirring 40 minutes；By synthetic grease (preparation side
Method is with embodiment 1) 32 parts squeeze into stainless steel and reconcile in kettle, insulation uniform stirring 40 minutes；40 DEG C are cooled to, by cleaning additive
5 parts of Isopars ISOPAR L (ExxonMobil companies of the U.S., ISOPAR L, similarly hereinafter) squeeze into stainless steel and reconciled in kettle,
Uniform stirring 30 minutes, material goes out kettle, gets product composition III.
Embodiment 4
By 20 parts of base oil polyalphaolefin, 20 parts of trimellitate, squeeze into stainless steel mediation kettle, be warming up to 65 DEG C；By pole
Press 3 parts of antiwear additive antimony dialkyl-dithiocarbamate, antioxidant 2 parts of phenyl-α-naphthylamine of alkylation, matal deactivator benzotriazole
1 part of derivative, 1 part of metal antirusting agent barium dinonyl napthalene sulphonate, squeeze into stainless steel mediation kettle and be incubated 65 DEG C, uniform stirring 30
Minute；By 10 parts of solid additive precipitated calcium carbonate, 5 parts of graphite powder, 5 parts of nanometer renovation agent nano-nickel powder, stainless steel tune is squeezed into
In kettle, insulation uniform stirring 40 minutes；Synthetic grease (preparation method is with embodiment 1) is squeezed into stainless steel mediation kettle for 23 parts
In, insulation uniform stirring 40 minutes；40 DEG C are cooled to, cleaning additive Isopars ISOPAR M are squeezed into not for 10 parts
The steel that becomes rusty reconciles in kettle, and uniform stirring 30 minutes, material goes out kettle, gets product composition IV.
Comparative example 1
By 33 parts of base oil polyalphaolefin, 15 parts of trimellitate, squeeze into stainless steel mediation kettle, be warming up to 65 DEG C；By pole
Press 3 parts of antiwear additive antimony dialkyl-dithiocarbamate, antioxidant 1 part of phenyl-α-naphthylamine of alkylation, matal deactivator benzotriazole
0.5 part of derivative, 0.5 part of metal antirusting agent barium dinonyl napthalene sulphonate, squeeze into stainless steel mediation kettle and be incubated 65 DEG C, uniformly stir
Mix 30 minutes；By 3 parts of nanometer renovation agent nano-nickel powder, squeeze into stainless steel mediation kettle, insulation uniform stirring 40 minutes；Will synthesis
36 parts of lubricating grease (preparation method is with embodiment 1) is squeezed into stainless steel mediation kettle, insulation uniform stirring 40 minutes；It is cooled to 40
DEG C, cleaning additive Isopars ISOPAR M are squeezed into stainless steel mediation kettle for 8 parts, uniform stirring 30 minutes, material
Go out kettle, get product composition V.
Comparative example 2
By 33 parts of base oil polyalphaolefin, 15 parts of trimellitate, squeeze into stainless steel mediation kettle, be warming up to 65 DEG C；By pole
Press 3 parts of antiwear additive antimony dialkyl-dithiocarbamate, antioxidant 1 part of phenyl-α-naphthylamine of alkylation, matal deactivator benzotriazole
0.5 part of derivative, 0.5 part of metal antirusting agent barium dinonyl napthalene sulphonate, squeeze into stainless steel mediation kettle and be incubated 65 DEG C, uniformly stir
Mix 30 minutes；By 5 parts of solid additive precipitated calcium carbonate, 10 parts of graphite powder, 3 parts of nanometer renovation agent nano-nickel powder, squeeze into stainless
Steel reconciles in kettle, insulation uniform stirring 40 minutes；Synthetic grease (preparation method is with embodiment 1) is squeezed into stainless steel tune for 29 parts
In kettle, insulation uniform stirring 40 minutes, material goes out kettle, gets product composition VI.
Comparative example 3
By 33 parts of base oil polyalphaolefin, 15 parts of trimellitate, squeeze into stainless steel mediation kettle, be warming up to 65 DEG C；By pole
Press 3 parts of antiwear additive antimony dialkyl-dithiocarbamate, antioxidant 1 part of phenyl-α-naphthylamine of alkylation, matal deactivator benzotriazole
0.5 part of derivative, 0.5 part of metal antirusting agent barium dinonyl napthalene sulphonate, squeeze into stainless steel mediation kettle and be incubated 65 DEG C, uniformly stir
Mix 30 minutes；By 5 parts of solid additive precipitated calcium carbonate, 10 parts of graphite powder, 3 parts of nanometer renovation agent nano-nickel powder, squeeze into stainless
Steel reconciles in kettle, insulation uniform stirring 40 minutes；Synthetic grease (preparation method is with embodiment 1) is squeezed into stainless steel tune for 21 parts
In kettle, insulation uniform stirring 40 minutes；40 DEG C are cooled to, by cleaning additive dipropylene glycol methyl ether (Dow Chemical, board
Number DPM) 8 parts squeeze into stainless steel and reconcile in kettle, uniform stirring 30 minutes, material goes out kettle, gets product composition VII.
Comparative example 4
By 28.9 parts of base oil polyalphaolefin, 30 parts of trimellitate, squeeze into stainless steel mediation kettle, be warming up to 65 DEG C；Will
0.5 part of extreme pressure anti-wear additives antimony dialkyl-dithiocarbamate, antioxidant 0.5 part of phenyl-α-naphthylamine of alkylation, matal deactivator
0.3 part of benzotriazole derivative, 0.3 part of metal antirusting agent barium dinonyl napthalene sulphonate, squeeze into stainless steel mediation kettle and be incubated 65 DEG C,
Uniform stirring 30 minutes；By 10 parts of solid additive precipitated calcium carbonate, 10 parts of graphite powder, 0.5 part of nanometer renovation agent nano-nickel powder,
Squeeze into stainless steel mediation kettle, insulation uniform stirring 40 minutes；Synthetic grease (preparation method is with embodiment 1) is squeezed into for 15 parts
Stainless steel reconciles in kettle, insulation uniform stirring 40 minutes；40 DEG C are cooled to, by cleaning additive Isopars ISOPAR L
4 parts are squeezed into stainless steel mediation kettle, and uniform stirring 30 minutes, material goes out kettle, gets product composition VIII.
Comparative example 5
By 33 parts of base oil polyalphaolefin, 15 parts of trimellitate, squeeze into stainless steel mediation kettle, be warming up to 65 DEG C；By pole
Press 3 parts of antiwear additive triethyl phosphate (Shanghai Shi Feng bio tech ltd, trade mark SF0724), [2,4- bis- uncles of antioxidant three
Butyl phenyl] 1 part of phosphite ester (Tianjin Zhong Xinkaitai Chemical Co., Ltd.s, trade mark Antioxidant 168), matal deactivator
0.5 part of dodecyl thiazole mercaptan (Guangzhou San Wang chemical materials Co., Ltd, trade mark Dodecanethiol NDM), metal
0.5 part of antirust agent inositol hexaphosphate (Hong Chang auxiliary reagent factories of Yutian County, trade mark XJ-2), squeeze into stainless steel mediation kettle and be incubated 65
DEG C, uniform stirring 30 minutes；By 5 parts of solid additive precipitated calcium carbonate, 10 parts of graphite powder, (close friend collects nanometer renovation agent copper powder
Co., Ltd of group, trade mark FCuN-20) 3 parts, squeeze into stainless steel and reconcile in kettle, insulation uniform stirring 40 minutes；By synthetic grease
21 parts of (preparation method is with embodiment 1) is squeezed into stainless steel and reconciled in kettle, insulation uniform stirring 40 minutes；40 DEG C are cooled to, will be clear
Wash 8 parts of additive Isopars ISOPAR M to squeeze into stainless steel mediation kettle, uniform stirring 30 minutes, material goes out kettle, i.e.,
Obtain final product composition IX.
Seen as the property indices of the gear cleaning renovation agent prepared by said gear cleaning renovation agent composition I-IX
Table 1：
The property indices of gear cleaning renovation agent prepared by the gear of table 1 cleaning renovation agent composition
See from table 1, embodiment 1-4 gear cleaning renovation agent I-IV possesses excellent Corrosion Protection, is repaiied in gear
Gear will not be damaged during multiple because the flank of tooth corrodes；Possess excellent extreme pressure anti-wear, can be avoided in gear repair process
The tooth surface abrasion brought by the abrasion resistance deficiency of oil product；Possess excellent greasy filth Solubility of Substances, can effectively infiltrate into the flank of tooth
Pit, crackle gap and fray, make to be deposited in greasy filth inside dead angle, carbon distribution suspended dispersed, taken out of with cleaning additive；Tool
Standby excellent self-healing properties, can be effectively by gear surface reparation to smooth.
Relative to embodiment 1-4, the renovation agent V of comparative example 1 is not added with solid additive, in the four-ball test result of table 1
Sintering load can be seen that renovation agent V fail obtain an excellent weld load, and the occasion of working gear belong to weight
Load, the sintering load of oil product need to reach the demand that optimum value can just reach lubrication.
Relative to embodiment 1-4, the renovation agent VI of comparative example 2 is not added with cleaning additive, in the greasy filth Solubility of Substances of table 1
Result of the test in as can be seen that renovation agent VI it is very low to the dissolution rate of carbon distribution, greasy filth, it is difficult to which gear surface gap is split
Greasy filth, carbon distribution in line, pit disperse and dissolved, and will also cause repair additive can not penetrate into crackle, pit to gear surface
Repaired.
Relative to embodiment 1-4, the renovation agent VII of comparative example 3 with the addition of the cleaning additive beyond the scope of the invention,
As can be seen that very little can only be obtained after this cleaning additive is selected in the result of the test of the greasy filth Solubility of Substances of table 1
Greasy filth Solubility of Substances, this shows that the cleaning additive selected by renovation agent VII is difficult by gear surface gap crackle, pit
Greasy filth, carbon distribution disperse and dissolve, will also cause that repair additive can not penetrate into crackle, pit is repaired to gear surface.
Relative to embodiment 1-4, the renovation agent VIII of comparative example 4 each component content is not in scope of the present invention
Interior, as can be seen that renovation agent VIII work cone penetration value is excessive from the property indices of table 1, and dropping point value is relatively low, causes
Gear is set to easily cause the loss of renovation agent under the operating mode of high temperature；Renovation agent VIII fails by bearing rust prevention test and possessed
Poor copper corrosion performance, show that it can not play effective corrosion protection to gear surface；The maximum of four-ball test is without card
Sting load value and weld load is relatively low, show that renovation agent VIII is difficult to be provided with load duty, impact load operating mode
The lubrication protection of effect；In addition, renovation agent VIII greasy filth Solubility of Substances is poor, it is very low to the dissolution rate of carbon distribution, greasy filth, very
Greasy filth in gear surface gap crackle, pit, carbon distribution are disperseed and dissolved by hardly possible, will also be caused repair additive not penetrate into and be split
Line, pit are repaired to gear surface.
Relative to embodiment 1-4, the renovation agent IX of comparative example 5 use extreme pressure anti-wear additives beyond scope of the present invention,
Antioxidant, metal antirusting agent, nanometer renovation agent, can be contrasted from the test index of table 1, comparative example 5 use the present invention with
Outer additive can not meet the performance indications needed for gear cleaning renovation agent composition.
In addition, the evaluation and test of self-healing properties of the present invention, be using field emission scanning electron microscope (FESEM, FEI,
Sirion 200) by the measure to gear surface wear intensity, and then the self-healing properties of gear are determined, it is right that experimental result passes through
Tooth after the gear surface (as shown in Figure 2) of renovation agent reparation is not used and is repaired using renovation agent described in the embodiment of the present invention 1
Wheel surface (as shown in Figure 1) carries out contrast and drawn.
In addition, detection of the present invention to greasy filth Solubility of Substances greasy filth Solubility of Substances, used detection method are specific
For：300mL (quality 270g) gear cleaning renovation agent is placed in beaker, the greasy filth material of 5g lubricating oil is placed in
In 300mL compositions, it is placed in the insulating box of 250 DEG C of normal temperatures, standing time is 30 minutes, and taking-up fills composition
Beaker, and remaining not dissolved greasy filth material is taken out from beaker, the combination of greasy filth material appearance residual is washed with ethanol
Thing, it is subsequently placed in air-dry in constant temperature bellows and weighs, the ratio between the greasy filth material lost and greasy filth material gross mass are to dissolve
Than；If greasy filth material occur has been dissolved as no greasy filth material, using granule detecting instrument, the composition in beaker is detected,
If granule detecting instrument detects data less than 10 grades, show that greasy filth material is completely dispersed in the composition, if granularity
Detect data and be more than 10 grades, then accordingly increase the quality of composition and greasy filth material, according to the method described above detection dissolving again
Property.
Claims (12)
1. a kind of gear cleans renovation agent composition, it is characterised in that using each component gross mass of the composition as 100%
Meter, includes following components：
The cleaning additive is Isopars, butyl, butyl glycol ether, diallyl ethylene glycol monobutyl
One or more in ether；
The solid additive is graphite powder, polytetrafluoroethylene (PTFE), precipitated calcium carbonate, the one or more of Nano diamond.
2. gear according to claim 1 cleans renovation agent composition, it is characterised in that with each component of the composition
Gross mass is 100% meter, and the content of synthetic grease is 20-35 mass %, and the content of base oil is 40-50 mass %, extreme pressure
The content of antiwear additive is 2-3 mass %, and the content of antioxidant is 1-2 mass %, and the content of matal deactivator is 0.5-1 matter
% is measured, the content of metal antirusting agent is 0.5-1 mass %, and the content of cleaning additive is 5-10 mass %, solid additive
Content is 8-15 mass %, and the content of nanometer renovation agent is 1-5 mass %.
3. gear according to claim 1 or 2 cleans renovation agent composition, it is characterised in that the synthetic grease leads to
Cross in the following manner preparation：On the basis of the gross mass of the synthetic grease,
(1) 30-50 mass % polyalphaolefin base is added, 10-18 mass % stearic acid, is heated to 80-100 DEG C；
(2) 3-9 mass % decanedioic acid is added, is incubated uniform stirring；
(3) 2-9 mass % lithium hydroxide is added, is incubated uniform stirring；
(4) polyalphaolefin base that 30-50 mass % is added after 205-215 DEG C is warming up to, uniform stirring, goes out kettle cooling, obtains
Synthetic grease.
4. gear according to claim 1 or 2 cleans renovation agent composition, it is characterised in that the base oil is poly- α alkene
It is hydrocarbon, pentaerythritol ester, pentaerythritol fatty acid ester, trimellitate, tricarboxymethyl propane oleate, multiple ester, polyethers, silicone oil, two different
One or more in tridecanol dibasic acid esters, bis phthalate, bis adipate.
5. gear according to claim 1 or 2 cleans renovation agent composition, it is characterised in that the extreme pressure anti-wear additives are
Antimony dialkyl-dithiocarbamate, di-2-ethylhexylphosphine oxide Keywords dibutyl dithiocarbamate, phosphoric acid aminated compounds, diamyl two
Zinc thiocarbamate, 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) one or more in ester.
6. gear according to claim 1 or 2 cleans renovation agent composition, it is characterised in that the extreme pressure anti-wear additives are
Acid dibutyl phosphite.
7. gear according to claim 1 or 2 cleans renovation agent composition, it is characterised in that the antioxidant for pair,
P- octyl diphenylamine, carbamate, alkylation phenyl-α-naphthylamine, octyl group-butyl diphenylamines, phenol containing ester group, sulfur-bearing ether
One or more in phenol.
8. gear according to claim 1 or 2 cleans renovation agent composition, it is characterised in that the antioxidant is containing ester
Base hindered phenol.
9. gear according to claim 1 or 2 cleans renovation agent composition, it is characterised in that the matal deactivator is
Benzotriazole derivative, thiadiazoles derivative, N, the salicylidene propane diamine of N'- bis-, BTA, hydrazone compounds, hydrazides chemical combination
One or more in thing, sulphur connection bis-phenol phosphite ester, benzyl phosphoric acid nickel salt, pyridine sulfuric acid tin compound.
10. gear according to claim 1 or 2 cleans renovation agent composition, it is characterised in that the metal antirusting agent is
Thiophosphane base phenol zinc salt, sulphur phosphorus octyl alconyl zinc salt, phosphosulfurized olefin calcium salt, phosphoric acid fatty alcohol zinc salt, methylene (dibutyl amine two
Sulphur formic acid esters) derivative, synthesis barium sulfonate, heavy alkylbenzene sulfonic acid barium, petroleum sodium sulfonate, synthetic sodium sulfonate, heavy alkylbenzene sulfonic acid
Sodium, heptadecenyl imidazolidene succinate, zinc naphthenate, barium dinonyl napthalene sulphonate, benzotriazole, synthesis sulfonic acid
Magnesium, alkyl phosphoric acid imidazoline salt, oxidized petrolatum barium soap, alkenyl succinic acid ester, lanolin magnesium soap, anhydrosorbitol list oleic acid
One or more in ester, triethanolamine oleate ester, sulfonated castor oil, ricinoleic ester potassium, three ancient butylamine, lanolin.
11. gear according to claim 1 or 2 cleans renovation agent composition, it is characterised in that described nanometer renovation agent
For one or both of nano-nickel powder, nano Mo powder.
12. the preparation method of the gear cleaning renovation agent composition according to any one of claim 1-11, its feature exist
In, including the step of each component of the composition is mixed.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106590861B (en) * | 2016-10-25 | 2020-09-29 | 福建黑狮润滑油有限公司 | Fully-synthetic heavy-load vehicle gear oil capable of performing viscosity classification and preparation method thereof |
| CN107217275A (en) * | 2017-06-02 | 2017-09-29 | 苏州龙腾万里化工科技有限公司 | A kind of cleaning agent for being capable of degreasing and rust removal |
| CN108148668A (en) * | 2017-12-25 | 2018-06-12 | 新乡市恒星科技有限责任公司 | A kind of easily washing lubricating grease and preparation method thereof |
| CN108865340B (en) * | 2018-09-05 | 2020-01-31 | 西南交通大学 | composite lithium-based lubricating grease and preparation method thereof |
| CN109294708A (en) * | 2018-11-13 | 2019-02-01 | 上海帕卡兴产化工有限公司 | A kind of aluminium sheet cleaning rust-proof oil and preparation method thereof |
| CN113945379B (en) * | 2021-12-20 | 2022-03-18 | 常州市沃凯轴承制造有限公司 | Gear detection device |
| CN115353925A (en) * | 2022-08-08 | 2022-11-18 | 广州诺拜因化工有限公司 | Composite lithium-based grease and preparation method thereof |
| CN115820328A (en) * | 2022-12-15 | 2023-03-21 | 宁夏京能灵武风电有限公司 | Wind power gear oil repairing agent and preparation method and application thereof |
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| CN102839040A (en) * | 2011-06-22 | 2012-12-26 | 中国石油天然气股份有限公司 | Heavy-duty self-repairing open gear grease |
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Effective date of registration: 20201214 Address after: 276000 Xingfu Street, Linshu County Economic Development Zone, Linyi City, Shandong Province Patentee after: Euno Special New Material Technology (Shandong) Co.,Ltd. Address before: Area B, ground floor, building 2, 358 Dunhuang Road, Putuo District, Shanghai, 200331 Patentee before: SHANGHAI HITECRUN SPECIAL LUBRICATE SCIENCE & TECHNOLOGY Co.,Ltd. |