CN103194302B - Worm gear oil composition and preparation method thereof - Google Patents
Worm gear oil composition and preparation method thereof Download PDFInfo
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Abstract
The invention provides a worm gear oil composition and a preparation method of the worm gear oil composition. The worm gear oil composition comprises a combination of polyether oil base oil, a 2, 2, 4-trialkyl-1, 2-dihydroquinolines antioxidant and a metal passivator. The worm gear oil composition provided by the invention has outstanding oxidation stability, high-temperature detergency, extreme pressure antiwear property, viscosity-temperature performance, anti-foaming performance and high comprehensive performance; and in addition, the preparation method is simple and wide in applicable scope.
Description
Technical field
The present invention relates to a kind of combination of oil for pair of gear worm, more definite is a kind of peace and quiet type combination of oil for pair of gear worm of long lifetime.
Background technology
Transmission mechanism is one of gear-driven type, in order to transmit the moving force and motion between the diaxon of spatial intersecting.Worm Wheel System has that volume is little, transmission speed ratio is large, smooth running, noise are little, the large feature of worm gear output torque, thereby is widely applied.Worm and gear lubricating oil has very important impact to Worm Wheel System, and it can reduce to rub, reduce wear, reduce temperature rise, improve worm gear pair transmission efficiency and work-ing life.
Worm drive is because the slip between the flank of tooth is relatively longer than geartransmission duration of contact large and tooth, and therefore frictional wear situation is outstanding, and general requirement oil viscosity is larger, and has higher viscosity index, and oiliness will be got well, and contains some special additive.Worm couple matches mainly with bronze, brass worm wheel and steel worm and gear in addition, and copper is very sensitive to sulphur, therefore should not adopt the sulfur-containing extreme-pressure additive that chemically reactive is high, and the oiliness improver of employing medium activity, to avoid flank of tooth generation chemical corrosion and spot corrosion, this is also the maximum differential of worm and worm wheel oil and other gear oils.
Along with equipment is to high-speed overload future development, present worm and gear oil product can not meet the demand of development, and main manifestations is that oil product wears no resistance, resistance to emulsion is poor, oxidation stability is poor etc.Current oil product, is base oil mainly with mineral oil greatly, and the additive combinations such as additional pour point depressant, viscosity index improver, sulfur-bearing and/or phosphorous extreme pressure anti-wear additives, phenol type or amine type oxidation inhibitor, metal passivator, oiliness improver and emulsion splitter form.Mineral oil is except easily generation greasy filth of oxidation, outside contamination and plugging equipment, also there is the feature of oiliness, as the combination of oil for pair of gear worm of being mentioned in Chinese patent application CN1727458A, wherein add altogether two kinds of total amounts and reached 1.4% oiliness improver reaching corresponding oiliness, this makes the resistance to emulsion variation (being greater than 20min) of said composition, because oiliness improver is tensio-active agent, add-on too much can affect oil product demulsification resistance.Oxidation stability is to affect the worm and worm wheel oil important factor in work-ing life, but people are still inadequate to the concern of its oxidation-resistance at present, Chinese patent application CN102051252A discloses a kind of energy-saving gear oil of worm gear formula, only contain oiliness improver, extreme pressure anti-wear additives, anticorrosive agent etc., do not add antioxidant.
Summary of the invention
The problem that invention will solve
The object of this invention is to provide a kind of combination of oil for pair of gear worm, it can avoid above problem.This composition high comprehensive performance, not only has outstanding oxidation stability, and has excellent high temperature detergency, extreme pressure anti-wear, sticky warm nature, anti-bubble.
For the scheme of dealing with problems
To achieve these goals, the invention provides a kind of combination of oil for pair of gear worm, it comprises following component:
A, at least one polyether oil base oil;
B, at least one 2,2,4-trialkyl-1,2-dihydroquinoline kind antioxidant;
C, at least one metal passivator;
D, at least one sulfur-bearing or phosphorous extreme pressure anti-wear additives;
E, at least one oiliness improver or friction modifiers;
F, at least one emulsion splitter;
G, at least one kilfoam.
In combination of oil for pair of gear worm of the present invention, described 2,2,4-trialkyl-1,2-dihydroquinoline kind antioxidant is 2,2,4-trialkyl-1,2-dihydroquinoline monomer, its polymkeric substance, or their any mixture.
In combination of oil for pair of gear worm of the present invention, described metal passivator is: benzotriazole or derivatives thereof, benzothiazole or derivatives thereof, thiadiazoles or derivatives thereof, benzoglyoxaline or derivatives thereof, indazole or derivatives thereof, or their any mixture.
In combination of oil for pair of gear worm of the present invention, described sulfur-bearing or phosphorous extreme pressure anti-wear additives are: amine salt, sulphur phosphorus nitrogen containing derivative, thiophosphoric acid complex ester amine salt, amine salt of alkyl phosphate, phosphorous acid ester, single thiophosphate ester or the phosphorodithioate of sulfide isobutene, alkyl polysulfide, sulfuration methyl esters, sulfide fat oil, sulfuration rapeseed oil, sulfuration trimerization methylene acetone, phosphoric acid ester, phosphate ester acid, phosphate ester acid, or their any mixture.
In combination of oil for pair of gear worm of the present invention, described oiliness improver or friction modifiers are lipid acid, fatty acid ester, fatty alcohol, amine salt, organosulfur compound, or their any mixture.
In combination of oil for pair of gear worm of the present invention, described emulsion splitter is polyoxy alkylidene ether, polyoxy alkylidene fatty acid ester, the condenses of amine and epoxy compounds, sulfonate type emulsion splitter, or their any mixture.
In combination of oil for pair of gear worm of the present invention, described kilfoam is siloxanes, organosilicon acid esters, polyalkyl acrylate, tensio-active agent, or their any mixture.
In combination of oil for pair of gear worm of the present invention, taking described combination of oil for pair of gear worm gross weight as benchmark, the content of described B component is 0.1-5%, preferably 0.5-2%, more preferably 0.5-1.8%, most preferably 0.5-1%; The content of described C component is 0.01-0.5%, preferably 0.03-0.1%; The content of described D component is 0.1-5%, preferably 0.2-2.5%; The content of described E component is 0.03-3.0%, preferably 0.1-1.5%; The content of described F component is 0.0001-0.5%, preferably 0.001-0.1%; The content of described G component is 1-1000ppm, preferably 10-100ppm.
In combination of oil for pair of gear worm of the present invention, the weight ratio of described B component and C component is 50:1-2:1, preferably 20:1-5:1, more preferably 10:1-5:1.
In combination of oil for pair of gear worm of the present invention, described combination of oil for pair of gear worm further optionally contains H component: other oxidation inhibitor, anti-wear agent, rust-preventive agent, friction modifiers, dispersion agent, kilfoam or their combination except described B, C, D, E, F and G component.
The preparation method of combination of oil for pair of gear worm of the present invention comprises: at least one polyether oil base oil of A component is joined in the container of band stirring, the H component that adds above-mentioned B component, C component, D component, E component, F component, G component again and optionally add is stirred to homogeneous transparent at 20-60 DEG C.
The effect of invention
In combination of oil for pair of gear worm provided by the present invention, what play oxidation stability effect is B and C component, the two has good antioxygen and works in coordination with, effectively prevents polyether polymer depolymerization degraded, passive metal and prevent the multiple effects such as copper corrosion, this is that traditional phenol amine antioxidants institute is inaccessiable, thereby be more suitable for for bronze material, ensure the long lifetime operation of oil product.
It is base oil that the present composition selects polyether oil to replace traditional mineral oil, in polyether oil oxidising process, chain rupture generates low molecular carboxyl or carbonyl compound, at high temperature low molecular carboxyl or carbonyl compound gasification volatilization, do not generate settling and gelatinoid, ensure the spatter property of oil product and worm and gear and suppressed settling to form ability, without adding metal detergent, therefore the invention belongs to peace and quiet type combination of oil for pair of gear worm.
Present composition resistance of aging is stronger, can bear higher working temperature, and pour point is low, is convenient to start under low temperature.There are in addition high viscosity index and viscosity-temperature characteristics, just can in use form good oil-bound film without viscosity index improver, possess good shear stability and low friction performance, can greatly reduce the power loss that gearing friction causes.
Combination of oil for pair of gear worm of the present invention, in ensureing high oxidation stability and extreme pressure anti-wear, also has good anti-bubble, has ensured effective transmission, lubricity and the long life cycle of oily ample supply, power.Be applicable to the worm gear reducer device that has shock load of copper-copper coupling, also for the strenuous exercises such as mine and machinery, grinding equipment, elevator and the worm gear pair that runs up.
Embodiment
Be applicable to A component polyether oil of the present invention and comprise polyoxyalkylene polymers, and use terminal hydroxyl wherein by the in addition alkylene oxide polymer of modification of for example esterification or etherificate, i.e. its homopolymer, multipolymer and derivative.These oil are illustrated as the polymkeric substance of preparing by the polymerization of oxyethane or propylene oxide, alkyl and aryl ethers with these polyoxyalkylene polymers, for example there is the poly-Isopropanediol ether of methyl of 1000 number-average molecular weights, there is the polyoxyethylene glycol diphenyl ether of 500-1000 number-average molecular weight; Also can comprise polypropylene glycol Anaesthetie Ether or its list and for example C of acetic ester, mixing of polycarboxylate with 1000-1500 number-average molecular weight
3-C
8the C of fatty acid ester or Tetraglycol 99
13oxygen acid diester.
Be applicable to more specifically polyether oil of the present invention and comprise poly-alkoxyl group (oxyethyl group or propoxy-) glycol, poly-alkoxyl group monoether, poly-alkoxyl group bis ether, poly-alkoxyl group ether-ether, poly-alkoxyl group dibasic acid esters.That can mention has hybrid epoxidized alkane polyglycol ether, poly-Virahol bis ether, hybrid epoxidized alkane polyglycol monoether, poly-Isopropanediol, hybrid epoxidized alkane glycol, polytetramethylene glycol, polypropylene glycol, epoxy ethane-epoxy propane tercopolyureas hydroxy ethers, epoxy ethane-epoxy propane random copolymerization list ether, polypropylene glycol list ether, two ether of polypropylene glycol etc.
Described 40 DEG C of viscosity of polyether oil (measuring according to GB/T 265) are preferably 40mm
2/ s-680mm
2/ s.
Described B component is a kind of ketoamine kind antioxidant, very effective to the protection of thermo-oxidative ageing, and the catalyzed oxidation of metal is also had to extremely strong restraining effect, and toxicity is little.B component comprises 2,2,4-trialkyl-1,2-dihydroquinoline monomer, or the polymkeric substance of above monomer, or the mixture of monomer and polymkeric substance, and wherein the structural formula of monomer is:
Wherein, as the R1 of trialkyl part, R2, R3 can be identical or different, they can be independently selected from any alkyl that does not affect this compound antioxygen property, more suitable selection low carbon atom number alkyl, the alkyl of for example C1-C6, the preferably alkyl of C1-C4, as methyl, ethyl, n-propyl, sec.-propyl, butyl and isomer thereof, most preferably R1, R2, R3 is methyl.
R4 is selected from H, alkyl or alkoxyl group, in the time that R4 is alkyl, the preferably alkyl of C1-C20, as methyl, ethyl, propyl group, butyl, amyl group, hexyl, heptyl, octyl group, nonyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl, with and relevant isomer.In the time that R4 is alkoxyl group, the same preferably alkoxyl group of C1-C20, as methoxyl group, oxyethyl group, propoxy-, butoxy, pentyloxy, hexyloxy, heptan oxygen base, octyloxy, the ninth of the ten Heavenly Stems oxygen base, the last of the ten Heavenly stems oxygen base, undecane oxygen base, dodecyloxy, tridecane oxygen base, tetradecyloxyaniline, pentadecane oxygen base, n-Hexadecane oxygen base, heptadecane oxygen base, octadecane oxygen base, nonadecane oxygen base, eicosane oxygen base, with and relevant isomer.
2,2,4-trialkyl-1,2-dihydroquinoline polymer architecture formula is:
N is selected from the integer in 2-1000, preferably 2-10; More common 2,2,4-trialkyl-1,2-dihydroquinoline polymkeric substance comprises dimer, tripolymer, the tetramer, pentamer or the polymer of high-polymerization degree more, or their any mixture.
Described B component mention 2, 2, 4-trialkyl-1, in 2-dihydroquinoline monomer, more suitable has 2, 2, 4-trimethylammonium-1, 2-dihydroquinoline, 2-methyl-2, 4-diethyl-1, 2-dihydroquinoline, 2, 2, 4, 6-tetramethyl--1, 2-dihydroquinoline, 2, 2, 4, 7-tetramethyl--1, 2-dihydroquinoline, 2, 2, 4, 8-tetramethyl--1, 2-dihydroquinoline, 2, 8-dimethyl-2, 4-diethyl-1, 2-dihydroquinoline, 2, 7-dimethyl-2, 4-diethyl-1, 2-dihydroquinoline, 2, 6-dimethyl-2, 4-diethyl-1, 2-dihydroquinoline, 6-dodecyl-2, 2, 4-trimethylammonium-1, 2-dihydroquinoline, 6-oxyethyl group-2, 2, 4-trimethylammonium-1, 2-dihydroquinoline and 6, 6 '-bis-(2, 2, 4-trimethylammonium-1, 2-dihydroquinoline) etc.
The chain reaction of hydro carbons can be caused in metallic surface, the especially Cu of metal ion of trace
2+, Fe
3+, the oxidation of hydro carbons is played to katalysis.When adding metal passivator in lubricating oil, can suppress the katalysis of metal ion to oxidation.Be applicable to C component metals passivator of the present invention and have benzotriazole, tolyl-triazole, 4-alkyl benzotriazole, 5-alkyl benzotriazole, octyl group triazole, decyl triazole, dodecyl triazole, 2-mercaptobenzothiazole, 2,5-dimercapto-1,3,4-thiadiazoles, 2-alkyl dithio-5-sulfydryl-1, two (the alkyl dithio)-1 of 3,4-dithiadiazole and 2,5-, the derivative of 3,4-thiadiazoles, benzoglyoxaline, benzothiazole, toluene indazole and these materials.
These passivators or these two or more passivators of use capable of being combined can be used alone.
Described D component sulfur-bearing or phosphorous extreme pressure anti-wear additives comprise sulfide isobutene, alkyl polysulfide, sulfuration methyl esters, sulfide fat oil, sulfuration rapeseed oil, sulfuration trimerization methylene acetone, phosphoric acid ester, phosphate ester acid, the amine salt of phosphate ester acid, sulphur phosphorus nitrogen containing derivative, thiophosphoric acid complex ester amine salt, amine salt of alkyl phosphate, phosphorous acid ester, single thiophosphate ester, phosphorodithioate.Preferably have sulfide isobutene, tritolyl phosphate, phosphoramidate, iso-octyl acid phosphoric acid ester stearylamine salt, sulphur phosphoric acid nitrogen containing derivative, thiophosphoric acid complex ester amine salt, triphenyl-thiophosphate etc.
These anti-wear agents or these two or more anti-wear agents of use capable of being combined can be used alone.
E component oiliness improver of the present invention or friction modifiers are lipid acid, fatty acid ester, fatty alcohol and amine salt class, organosulfur compound class etc., for example there are one or several in sulfuration Oleum Gossypii semen, sulfurized olefin cotton oil, phosphonic acid ester, dodecanol, 124 Triazole stearylamine salt, oleic acid glycol ester, stearic acid, oleic acid, butyl oleate, oleic acid three hexanol amine, phosphoric acid ester, oleic acid epoxy ester, dimeracid glycol ester, preferably sulfurized olefin cotton oil, sulfuration Oleum Gossypii semen, 124 Triazole stearylamine salt.
These oiliness improvers or friction modifiers or two or more these oiliness improvers or the friction modifiers of use capable of being combined can be used alone.
Described emulsion splitter (F component) is specifiable polyoxy alkylidene ether, polyoxy alkylidene fatty acid ester, or the condenses of amine and epoxy compounds, or sulfonate type emulsion splitter, as alkylbenzene sulfonate etc.For example polyoxyethylene polyoxypropylene propylene glycol, polyoxyethylene polyoxypropylene quadrol, polyoxyethylene polyoxypropylene ethyl phosphonic acid ester, Sodium dodecylbenzene sulfonate etc.
These emulsion splitters or these two or more emulsion splitters of use capable of being combined can be used alone.
Described kilfoam (G component) can be selected from siloxanes, organosilicon acid esters, polyalkyl acrylate, tensio-active agent etc.Can mention: dimethyl polysiloxane, fluorosilicone, methyl silicate, polymethylmethacrylate, PFPE etc.
These kilfoams or these two or more kilfoams of use capable of being combined can be used alone.
Taking combination of oil for pair of gear worm gross weight of the present invention as benchmark, B component concentration is 0.1-5%, preferably 0.5-2%, more preferably 0.5-1.8%, most preferably 0.5-1%; The content of C component in combination of oil for pair of gear worm is 0.01-0.5%, preferably 0.03%-0.1%, and wherein B component and metal passivator (C component) have anti-oxidant synergy, and two components by weight are 50:1-2:1, preferably 20:1-5:1, more preferably 10:1-5:1; D component extreme-pressure anti-wear agent content is 0.1-5%, preferably 0.2-2.5%; E component oiliness improver or friction modified agent content are 0.03-3.0%, preferably 0.1-1.5%; F component emulsion splitter content is 0.0001-0.5%, preferably 0.001-0.1%; G component kilfoam content can be 1-1000ppm, preferably 10-100ppm; All the other content are polyether oil base oil.
Combination of oil for pair of gear worm of the present invention can also contain H component: the conventional additive of worm and worm wheel oil such as other oxidation inhibitor except described B, C, D, E, F, G component, anti-wear agent, rust-preventive agent, friction modifiers, dispersion agent, kilfoam, all these additives can use the blend according to conventional methods of commercially available material.Generally, the add-on of these other oxidation inhibitor, anti-wear agent, friction modifiers is 0.01-1.5%, and rust-preventive agent add-on is 0.01-3%, and the add-on of dispersion agent is 0.01-5%, and the add-on of kilfoam is 0.001-0.01%.
The preparation method of combination of oil for pair of gear worm provided by the invention comprises: one or more polyether oil base oils are joined in the container of band stirring, the H component that adds above-mentioned B component, C component, D component, E component, F component, G component again and optionally add is stirred to homogeneous transparent at 20-60 DEG C.
The present invention adopts the test of baking oven oxidation experiment simulation CRC L-60 gear stand thermal oxidation stability in laboratory, test conditions: 100g sample oil is put into 250ml beaker, and immerse No. 45 steel test pieces of polishing (45mm × 25mm × 2mm) with becoming 30 DEG C of angles at the bottom of cup in oil, then beaker is placed in to baking oven, constant temperature oxidation 192h at 150 DEG C, then take out steel disc, with sherwood oil flushing, observe steel disc variable color and a cup bottom sediment situation.0 grade is nondiscoloration; 1 grade is slightly variable color; 2 grades is local pale; 3 grades is most of pale; 4 grades is ash, blue, yellow, or canescence; 5 grades are local grey black, and peel off.
Below provide embodiments of the invention.It should be noted that, these embodiment are only illustrative, the invention is not restricted to these embodiment." part " using in embodiment represents weight part.
< embodiment >
Embodiment 1
By the 100 parts of insoluble polyethers base oil of water Emkarox VG222(Croda Company, Inc, lower same) join in the stainless steel mediation still of belt stirrer, maintain still temperature at 40 DEG C, again successively by the Naugalube TMQ(2 of 0.6 part, 2, 4-trimethylammonium-1, 2-dihydroquinoline kind antioxidant, Uniroyal Chemical Company, Inc. lower same), 124 Triazole analog derivative T551(Jinzhou Kangtai Lube Additive Co., Ltd. of 0.08 part, lower same), 1 part of tritolyl phosphate T306(Jinzhou Kangtai Lube Additive Co., Ltd., lower same), 1 part of diisobutyl phosphorodithioate, 0.6 part of oleic acid glycol ester, 0.002 part of methyl-silicone oil T901(Jinzhou Kangtai Lube Additive Co., Ltd., lower same), 0.003 part of emulsion splitter ethylene oxide/propylene oxide segmented copolymer
5957(Lubrizol Petroleum Chemical Company, lower with) join and be in harmonious proportion in still, start and be stirred to mixture and all dissolve, homogeneous transparent, obtains worm and worm wheel oil A.
Comparative example 1
The stainless steel that the 100 parts of insoluble polyethers base oil of water Emkarox VG 222 is joined to belt stirrer is in harmonious proportion in still, maintain still temperature at 40 DEG C, more successively by the Naugalube TMQ of 0.6 part, 1 part of T306,1 part of diisobutyl phosphorodithioate, 0.6 part of oleic acid glycol ester, 0.002 part of T901,0.003 part
5957 join and are in harmonious proportion in still, start to be stirred to mixture and all to dissolve, and homogeneous transparent, obtains worm and worm wheel oil B.
Comparative example 2
The stainless steel that the 100 parts of insoluble polyethers base oil of water Emkarox VG 222 is joined to belt stirrer is in harmonious proportion in still, maintain still temperature at 40 DEG C, more successively by the butyl octyl pentanoic of 0.6 part, the 124 Triazole analog derivative T551 of 0.08 part, 1 part of T306,1 part of diisobutyl phosphorodithioate, 0.6 part of oleic acid glycol ester, 0.002 part of T901,0.003 part
5957 join and are in harmonious proportion in still, start to be stirred to mixture and all to dissolve, and homogeneous transparent, obtains worm and worm wheel oil C.
Comparative example 3
35 parts of 500SN mineral oil, 65 parts of 150BS mineral oil are joined in the stainless steel mediation still of belt stirrer, maintain still temperature at 40 DEG C, more successively by 0.4 part of pour point depressant polymethacrylate KT8602(Jinzhou Kangtai Lube Additive Co., Ltd.), the Naugalube TMQ of 0.6 part, the 124 Triazole analog derivative T551 of 0.08 part, 1 part of T306,1 part of diisobutyl phosphorodithioate, 0.6 part of oleic acid glycol ester, 0.002 part of T901,0.003 part
5957 join and are in harmonious proportion in still, start to be stirred to mixture and all to dissolve, and homogeneous transparent, obtains worm and worm wheel oil D.
Embodiment 2
By the 100 parts of insoluble polyethers base oil of water Emkarox VG462(Croda Chemical Company, Inc) join in the stainless steel mediation still of belt stirrer, maintain still temperature at 50 DEG C, more successively by the Naugalube TMQ of 1.8 parts, the 124 Triazole analog derivative T551 of 0.04 part, 1 part of tritolyl phosphate T306,1 part of diisobutyl phosphorodithioate, 0.1 portion of 124 Triazole stearylamine salt, 0.003 part of T901,0.005 part
5957 join and are in harmonious proportion in still, start to be stirred to mixture and all to dissolve, and homogeneous transparent, obtains combination of oil for pair of gear worm E.
Combination of oil for pair of gear worm A, B, C, D and E that present method obtains, result verification is in table 1 after tested.
Table 1
Table 1 result shows, with respect to mineral oil origin worm and worm wheel oil, in the case of adding identical extreme pressure anti-wear additives and oiliness improver, polyether-type oil meter reveals better extreme pressure anti-wear, oxidisability, sticky warm nature, has in addition excellent cleaning capacity.B in the present invention and C component have certain Synergistic antioxidation, give antioxidant property, thermal oxidation stability and the copper corrosion performance of worm and worm wheel oil excellence of the present invention.
Claims (9)
1. a combination of oil for pair of gear worm, it comprises following component:
A, at least one polyether oil base oil;
B, at least one 2,2,4-trialkyl-1,2-dihydroquinoline kind antioxidant;
C, at least one metal passivator;
D, at least one sulfur-bearing or phosphorous extreme pressure anti-wear additives;
E, at least one oiliness improver or friction modifiers;
F, at least one emulsion splitter;
G, at least one kilfoam,
Described 2,2,4-trialkyl-1,2-dihydroquinoline kind antioxidant is 2,2,4-trialkyl-1,2-dihydroquinoline monomer, its polymkeric substance, or their any mixture,
Described metal passivator is: benzotriazole, tolyl-triazole, 4-alkyl benzotriazole, 5-alkyl benzotriazole, octyl group triazole, decyl triazole, dodecyl triazole, 2-mercaptobenzothiazole, 2,5-dimercapto-1,3,4-thiadiazoles, 2-alkyl dithio-5-sulfydryl-1,3,4-dithiadiazole and 2, two (the alkyl dithio)-1 of 5-, one or more in 3,4-thiadiazoles, benzoglyoxaline, benzothiazole, toluene indazole
Taking described combination of oil for pair of gear worm gross weight as benchmark, the content of described B component is 0.5-1.8%; The content of described C component is 0.03-0.1%; The content of described D component is 0.1-5%; The content of described E component is 0.03-3.0%; The content of described F component is 0.0001-0.5%; The content of described G component is 1-1000ppm,
The weight ratio of described B component and C component is 50:1-2:1.
2. combination of oil for pair of gear worm according to claim 1, it is characterized in that described sulfur-bearing or phosphorous extreme pressure anti-wear additives are: amine salt, sulphur phosphorus nitrogen containing derivative, thiophosphoric acid complex ester amine salt, amine salt of alkyl phosphate, phosphorous acid ester, single thiophosphate ester or the phosphorodithioate of sulfide isobutene, alkyl polysulfide, sulfuration methyl esters, sulfide fat oil, sulfuration rapeseed oil, sulfuration trimerization methylene acetone, phosphoric acid ester, phosphate ester acid, phosphate ester acid, or their any mixture.
3. combination of oil for pair of gear worm according to claim 1 and 2, is characterized in that described oiliness improver or friction modifiers are lipid acid, fatty acid ester, fatty alcohol, amine salt, organosulfur compound, or their any mixture.
4. combination of oil for pair of gear worm according to claim 1 and 2, is characterized in that described emulsion splitter is polyoxy alkylidene ether, polyoxy alkylidene fatty acid ester, the condenses of amine and epoxy compounds, sulfonate type emulsion splitter, or their any mixture; Described kilfoam is siloxanes, organosilicon acid esters, polyalkyl acrylate, tensio-active agent, or their any mixture.
5. combination of oil for pair of gear worm according to claim 1 and 2, is characterized in that, taking described combination of oil for pair of gear worm gross weight as benchmark, the content of described B component is 0.5-1%; The content of described D component is 0.2-2.5%; The content of described E component is 0.1-1.5%; The content of described F component is 0.001-0.1%; The content of described G component is 10-100ppm.
6. combination of oil for pair of gear worm according to claim 1 and 2, the weight ratio that it is characterized in that described B component and C component is 20:1-5:1.
7. combination of oil for pair of gear worm according to claim 6, the weight ratio that it is characterized in that described B component and C component is 10:1-5:1.
8. combination of oil for pair of gear worm according to claim 1 and 2, is characterized in that described combination of oil for pair of gear worm further optionally contains H component: other oxidation inhibitor, anti-wear agent, rust-preventive agent, friction modifiers, dispersion agent, kilfoam or their combination except described B, C, D, E, F and G component.
9. according to the preparation method of the combination of oil for pair of gear worm described in claim 1-8 any one, comprise: at least one polyether oil base oil of A component is joined in the container of band stirring, the H component that adds above-mentioned B component, C component, D component, E component, F component, G component again and optionally add is stirred to homogeneous transparent at 20-60 DEG C.
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