CN108699471A - Lubricating oil composition and lubricating method - Google Patents

Lubricating oil composition and lubricating method Download PDF

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Publication number
CN108699471A
CN108699471A CN201780011512.XA CN201780011512A CN108699471A CN 108699471 A CN108699471 A CN 108699471A CN 201780011512 A CN201780011512 A CN 201780011512A CN 108699471 A CN108699471 A CN 108699471A
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carbon atom
atom number
lubricant oil
oil composite
various
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藤井智明
滨地达也
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Idemitsu Kosan Co Ltd
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Idemitsu Kosan Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M133/00Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/02Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
    • C10M133/04Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M133/06Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M133/08Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M133/00Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/02Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
    • C10M133/04Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M133/06Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

Provided are a lubricating oil composition having excellent brake squeal prevention performance, and a lubricating method using the same. A lubricating oil composition containing a base oil (A) and a specific hydroxyl group-containing amine compound (B), and a lubricating method using the same.

Description

Lubricant oil composite and lubricating method
Technical field
The present invention relates to lubricant oil composite and use its lubricating method.
Background technology
Conventional industrial machinery, such as agricultural machinery, construction implement, Transport Machinery in, have speed changer (gear), oil Actuation part etc. is pressed, to the lubricant oil composite used in industrial machinery, it is desirable that prevent speed changer seizure and abrasion, for maintaining The viscosity characteristics etc. of oil pressure output power.In addition, these industrial machineries in outdoor progress with the operation of high-output power, therefore The stability also required oxidative degradation to heat and water is not required nothing more than.
Among industrial machinery, such as the agricultural machinery such as tractor, rice transplanter, reaper binder, combine harvester, oil pressure excavate The Transport Machinery such as the construction implements such as machine, crane, bull-dozer, dumper, fork truck, shovel loader, full landform transport vehicle are also equipped with wet type Brake, speed changer (gear), oil pressure activated portion and the wet brake that these machineries have are generally with identical lubrication The shared lubrication that fluid composition is lubricated.For example, as the lubricant oil composite used in agricultural machinery, it is proposed that include choosing From the lubricant oil composite of one or more of zinc dialkyl dithiophosphate, alkaline calcium sulfonate and alkaline calcium phenates (such as Referring to patent document 1).
Existing technical literature
Patent document
Patent document 1:Japanese Unexamined Patent Publication 2009-144097 bulletins.
Invention content
The subject that the invention solves
However, as problem peculiar in wet brake, exist attached due to the rubbing surface because being iteratively produced between rubbing surface It and slide, the brake i.e. caused by stick-slip caused by vibration etc. screams.Therefore, to being also equipped with the industry of wet brake The lubricant oil composite used in machinery, special requirement prevent performance (hereinafter referred to as " anti-the screaming property of brake that brake screams Can ").
However, in lubricant oil composite disclosed in Patent Document 1, it cannot be satisfied anti-brake and scream performance, it is desirable that is full The anti-brake of foot screams the technological development of performance lubricant oil composite.
The present invention carries out in view of the foregoing, particularly, and it is an object of the present invention to provide having excellent anti-screaming property of brake Can lubricant oil composite and use its lubricating method.
Means for solving the problems
It is that the inventors of the present invention are furtherd investigate repeatedly as a result, it has been found that, can solve the above subject by following inventions.That is, this hair It is bright that the lubricant oil composite with following compositions is provided and uses its lubricating method.
1. lubricant oil composite contains:The amine compounds of hydroxyl shown in base oil (A) and the following general formula (1) (B),
[Chemical formula 1]
(in general formula (1), R1It is the aliphatic alkyl that carbon atom number is 12 ~ 30, R2And R3Be each independently carbon atom number be 1 ~ 5 Aliphatic alkyl).
2. lubricating method, wherein use the lubricant oil composite described in above-mentioned 1.
The effect of invention
According to the present invention, it is particularly capable of providing the lubricant oil composite that there is excellent anti-brake to scream performance and uses Its lubricating method.
Specific implementation mode
[Run Huayouzuhewu ]
Hereinafter, being illustrated for embodiments of the present invention (hereinafter also referred to " present embodiment ").
The lubricant oil composite of present embodiment contains the amination of hydroxyl shown in base oil (A) and the following general formula (1) Close object (B).Hereinafter, being illustrated for each ingredient.
[Chemical formula 2]
(in general formula (1), R1It is the aliphatic alkyl that carbon atom number is 12 ~ 30, R2And R3Be each independently carbon atom number be 1 ~ 5 Aliphatic alkyl).
(base oil (A))
It can be mineral oil as the base oil (A) used in the lubricant oil composite of present embodiment, or synthesis Oil.
As mineral oil, can enumerate:The crude oil of alkane base system, cycloalkane base system, intermediate base system is subjected to normal pressure steaming Atmospheric resids obtained from evaporating;Distillate oil obtained from the atmospheric resids are evaporated under reduced pressure;The distillate oil is subjected to solvent Depitching, solvent extraction, be hydrocracked, solvent dewaxing, catalytic dewaxing, one or more of hydrofinishing etc. processing and refine Obtained mineral oil, such as light neutral oils, middle matter neutral oil, heavy neutral oil, bright stock;And to passing through the systems such as fischer tropsch process The wax (GTL waxes) made carries out mineral oil etc. obtained from isomerization.
In addition, as mineral oil, can for be classified as in the base oil classification of API (American Petroleum Institute) 1 class, 2 classes, The mineral oil of any one in 3 classes, from obtain anti-brake scream performance, in addition inhibit sludge formation, obtain excellent speed changer Seizure and abrasion prevent performance, viscosity characteristics, to the stability of oxidative degradation etc. from the perspective of, be preferably classified as The mineral oil of 2 classes, 3 classes.
As synthetic oil, it can be cited for example that polybutene, ethene-alpha-olefin copolymer, alpha-olefin homo or copolymer Equal poly alpha olefins;The various esters such as polyol ester, dibasic acid ester, phosphate;The various ethers such as polyphenyl ether;Polyethylene glycol;Alkylbenzene; Alkylnaphthalene etc..
It for the viscosity of base oil (A), is not particularly limited, the seizure of scream from anti-brake performance and speed changer With abrasion prevent performance, viscosity characteristics, to the stability of oxidative degradation etc. from the perspective of, the kinematic viscosity at 100 DEG C is excellent It is selected as 2 ~ 25mm2The range of/s, more preferably 3 ~ 20mm2The range of/s, further preferably 4 ~ 15mm2The range of/s.
In addition, the viscosity index (VI) of base oil (A) from anti-brake scream performance and speed changer seizure and abrasion it is anti- Only performance, viscosity characteristics, to the stability of oxidative degradation etc. from the perspective of, preferably 80 or more, more preferably 90 or more, into One step is preferably 100 or more.Here, kinematic viscosity and viscosity index (VI) are according to JIS K 2283:2000 use glass system hollow billet The value that formula viscosimeter measures.
Based on oily (A), can be used alone, two kinds or more of mineral oil can also be applied in combination, can make With it is a kind of, two kinds or more of synthetic oil can also be applied in combination.Furthermore, it is possible to by more than one mineral oil and more than one Synthetic oil is combined and is used as miscella.
In addition, the content on the basis of lubricant oil composite total amount of base oil (A) is usually 50 mass % or more, preferably For 60 ~ 97 mass %, more preferably 70 ~ 95 mass %, further preferably 80 ~ 95 mass %.
(amine compounds (B) of hydroxyl)
The lubricant oil composite of present embodiment contains the amine compounds (B) of hydroxyl shown in the following general formula (1).If be free of The amine compounds (B) of hydroxyl are then unable to get excellent anti-brake and scream performance.
[Chemical formula 3]
In general formula (1), R1It is the aliphatic alkyl that carbon atom number is 12 ~ 30, R2And R3Be each independently carbon atom number be 1 ~ 5 Aliphatic alkyl.
As R1Carbon atom number be 12 ~ 30 aliphatic alkyl, can preferably enumerate for example carbon atom number be 12 ~ 30 Straight-chain or branched alkyl, alkenyl, more preferably enumerate carbon atom number be 12 ~ 24 straight-chain or branched alkyl, Alkenyl preferably enumerates alkyl, the alkenyl of straight-chain or branched that carbon atom number is 16 ~ 20.If R1It is above-mentioned carbon atom number Aliphatic alkyl, then can obtain excellent anti-brake scream performance, to the excellent solubility of base oil and excellent The seizure of speed changer prevents performance, viscosity characteristics, to the stability of oxidative degradation etc. with abrasion.
For example, the alkyl for the straight-chain or branched for being 12 ~ 30 as carbon atom number, can enumerate dodecyl, different The various dodecyls such as dodecyl, secondary dodecyl, tertiary dodecyl and new dodecyl (will include straight chain sometimes below Shape, branched and their isomers the functional group with regulation carbon atom number be referred to as " various functional groups "), various ten It is trialkyl, various myristyls, various pentadecyls, various cetyls, various heptadecyls, various octadecyls, various Nonadecyl, various eicosyls, various heneicosyls, various docosyls, various tricosyls, various 24 Alkyl, various pentacosyls, various ceruls, various heptacosane bases, various octacosyls, various nonacosanes Base and various melissyls.
In addition, the alkenyl for the straight-chain or branched for being 12 ~ 30 as carbon atom number, can enumerate various dodecylenes Base, various tridecylene bases, various tetradecene bases, various 15 carbene bases, various hexadecene bases, various heptadecenes Base, various octadecene bases, various 19 carbene bases, various eicosylene bases, various heneicosene bases, various 22 carbon It is alkenyl, various tricosene bases, various tetracosa carbon alkenyls, various ppentacosene bases, various cerotene bases, various Cerotene base, various two octadecenes bases, various 29 carbene bases and various melene bases.
Wherein, it is contemplated that the anti-performance that screams of brake, preferably various cetyls, various heptadecyls, various ten Alkyl that the carbon atom number of eight alkyl is 16 ~ 18, various hexadecene bases, various heptadecene bases, various octadecene bases The alkenyl that carbon atom number is 16 ~ 18, more preferably various hexadecene bases, various heptadecene bases, various octadecene bases The alkenyl that carbon atom number is 16 ~ 18, further preferably various octadecene bases, particularly preferably positive octadecene base.
As R2And R3Carbon atom number be 1 ~ 5 aliphatic alkyl, can preferably enumerate for example carbon atom number be 1 ~ 5 Straight-chain or the alkylidene of branched, the straight-chain that carbon atom number is 2 ~ 5 or branched alkenylene, more preferably enumerate carbon original The alkylidene of straight-chain or branched that subnumber is 1 ~ 3, carbon atom number are 2 ~ 3 straight-chain or the alkenylene of branched, into one Step preferably enumerate the alkylidene for the straight-chain that carbon atom number is 1 ~ 2, the straight-chain that carbon atom number is 2 alkenylene.If R2And R3 The aliphatic alkyl of above-mentioned carbon atom number, then can obtain excellent anti-brake scream performance, to the excellent molten of base oil Xie Xing, the in addition seizure of excellent speed changer and abrasion prevent performance, viscosity characteristics, to the stability of oxidative degradation etc..
As the alkylidene of straight-chain or branched that carbon atom number is 1 ~ 5, methylene, ethylidene, various can be enumerated Propylidene, various butylidenes, various pentylidene.In addition, the alkenylene for the straight-chain or branched for being 2 ~ 5 as carbon atom number, Ethenylidene, various allylidenes, various butenylidenes, various inferior pentenyls can be enumerated.
Wherein, it is contemplated that the anti-performance that screams of brake, alkylidene are particularly preferably the alkylidene, i.e. that carbon atom number is 2 Ethylidene.
R2And R3It can be the same or different, it is preferably identical from the viewpoint of the anti-performance that screams of brake.
The particularly preferred particular compound of amine compounds (B) as hydroxyl shown in general formula (1) can be enumerated hard Aliphatic radical diethanol amine (in general formula (1), R1For octadecyl, R2And R3For ethylidene), oleyl diethanol amine (in general formula (1), R1For octadecene base, R2And R3For ethylidene) etc..
The content on the basis of total composition of nitrogen-atoms in the amine compounds (B) of hydroxyl is preferably 10 ~ 300 matter Measure ppm, more preferably 20 ~ 250 mass ppm, further preferably 20 ~ 200 mass ppm.If the content is in above range, Can then obtain that excellent anti-brake screams performance, the in addition seizure of excellent speed changer and abrasion prevents performance, viscosity Characteristic, to the stability of oxidative degradation etc..
(amine compounds (C))
The lubricant oil composite of present embodiment preferably comprises amine compounds (C) shown in the following general formula (2).By making lubricating oil Composition contains amine compounds (C), can obtain superior anti-brake and scream performance.
[Chemical formula 4]
In general formula (2), R4It is the aliphatic alkyl that carbon atom number is 12 ~ 30, R5And R6Be each independently carbon atom number be 1 ~ 5 Aliphatic alkyl.
As R4Carbon atom number be 12 ~ 30 aliphatic alkyl, can preferably enumerate as example above-mentioned R1Carbon it is former Subnumber for 12 ~ 30 the group that illustrates of aliphatic alkyl.As R4Carbon atom number, preferably 12 ~ 30, more preferably 12 ~ 24, be more preferably 16 ~ 20, this also with above-mentioned R1It is identical.If R4The aliphatic alkyl of above-mentioned carbon atom number, then it can be with Excellent anti-brake is obtained to scream performance, seizure and abrasion to the excellent solubility and excellent speed changer of base oil Prevent performance, viscosity characteristics, to the stability of oxidative degradation etc..
Wherein, it is contemplated that the anti-performance that screams of brake, as R4, preferably various cetyls, various heptadecyls, The carbon atom number of various octadecyls is 16 ~ 18 alkyl, various hexadecene bases, various heptadecene bases, various 18 carbon The alkenyl that the carbon atom number of alkenyl is 16 ~ 18, more preferably various cetyls, various heptadecyls, various octadecyls The alkyl that carbon atom number is 16 ~ 18, further preferably various octadecyls, particularly preferably n-octadecane base.
As R5And R6Carbon atom number be 1 ~ 5 aliphatic alkyl, can preferably enumerate for example carbon atom number be 1 ~ 5 Straight-chain or the alkyl of branched, the straight-chain that carbon atom number is 2 ~ 5 or branched alkenyl, more preferably enumerate carbon atom number Straight-chain or the alkyl of branched, carbon atom number for 1 ~ 3 are 2 ~ 3 straight-chain or the alkenyl of branched, are further preferably lifted Go out the alkyl for the straight-chain that carbon atom number is 1 ~ 2, the straight-chain that carbon atom number is 2 alkenyl.If R2And R3It is above-mentioned carbon atom Several aliphatic alkyls, then can obtain excellent anti-brake scream performance, to the excellent solubility of base oil, excellent in addition Speed changer seizure and abrasion prevent performance, viscosity characteristics, to the stability of oxidative degradation etc..
As the alkyl of straight-chain or branched that carbon atom number is 1 ~ 5, methyl, ethyl, various propyl, each can be enumerated Kind butyl, various amyls.In addition, as carbon atom number be 2 ~ 5 straight-chain or branched alkenyl, can enumerate vinyl, Various acrylic, various cyclobutenyls, various pentenyls.
Particularly, it is contemplated that the alkane that the anti-performance that screams of brake, preferably alkyl, particularly preferably carbon atom number are 1 Base, i.e. methyl.In addition, R5And R6It can be the same or different, from the viewpoint of the anti-performance that screams of brake, preferably It is identical.
As the particularly preferred particular compound of amine compounds (C) shown in general formula (2), dimethyl tristearin can be enumerated Base amine (in general formula (2), R4For octadecyl, R5And R6For methyl), dimethyl oleyl amine (in general formula (2), R4For 18 carbon Alkenyl, R5And R6For methyl) etc..
The content on the basis of total composition of nitrogen-atoms in amine compounds (C) is preferably 5 ~ 150 mass ppm, more Preferably 10 ~ 120 mass ppm, further preferably 20 ~ 100 mass ppm.If the content is in above range, can obtain Performance, viscosity characteristics are prevented to what excellent anti-brake screamed performance, the in addition seizure of excellent speed changer and abrasion, to oxygen Change the stability of deterioration etc..
In terms of with the relationship of the amine compounds of hydroxyl (B), nitrogen-atoms in the amine compounds (B) of hydroxyl relative to The ratio of the total amount of nitrogen-atoms in the amine compounds (B) of hydroxyl and the nitrogen-atoms in amine compounds (C) be preferably 0.5 with Above, more preferably 0.55 or more, further preferably 0.6 or more.In addition, as the upper limit, preferably 1.5 or less, more preferably 1.3 or less, it is more preferably 1.2 or less.If the ratio of the nitrogen-atoms in the amine compounds (B) of hydroxyl is above range It is interior, then it can obtain especially excellent anti-brake and scream performance.
(other additives)
In the lubricant oil composite of present embodiment, in the range of not violating the purpose of the present invention, suitably it can select and match Close in addition to base oil (A), hydroxyl amine compounds (B), it is preferable to use amine compounds (C) other than other additives, example Such as viscosity index improver, pour-point depressant, antifoaming agent, friction modifier, abrasion performance agent, extreme pressure agent, oiliness improver, antioxidant, divide Other additives such as powder, metal system detersive, metal inerting agent, antirust agent.These additives can be used alone, or combination Using a variety of.The lubricant oil composite of present embodiment can be formed by the amine compounds (B) of above-mentioned base oil (A), hydroxyl, It can also be formed by base oil (A), the amine compounds (B) of hydroxyl and amine compounds (C), in addition it is also possible to by base oil (A), the amine compounds (B) of hydroxyl, amine compounds (C) and other additives are formed.
As long as the total content of these other additives does not violate the range of the purpose of the present invention, then there is no limit consider To the effect for adding other additives, preferably 0.1 ~ 20 mass %, more preferably 1 ~ 15 matter are counted on the basis of total composition Measure %, further preferably 3 ~ 10 mass %.
(viscosity index improver)
The lubricant oil composite of present embodiment can contain viscosity index (VI) to improve the viscosity index (VI) of above-mentioned base oil (A) Modifier.As viscosity index improver, it can be cited for example that non-dispersive type polymethacrylates, distributed polymethyl Acid esters, olefin copolymer (such as ethylene-propylene copolymer etc.), distributed olefin copolymer, styrene based copolymer (example Such as styrenic-diene copolymer, styrene-isoprene copolymer) etc. polymer.
It as the matter average molecular weight (Mw) of these viscosity index improvers, can be suitably set according to its type, from viscous It spends from the perspective of characteristic, usually 500 ~ 1,000,000, preferably 5,000 ~ 800,000, more preferably 10,000 ~ 600, 000。
In the case of non-dispersive type and distributed polymethacrylates, preferably 5,000 ~ 1,000,000, more preferably 10,000 ~ 800,000, it is more preferably 20,000 ~ 600,000.In addition, in the case of olefin copolymer, preferably 800 ~ 300,000,10,000 ~ 200,000 are more preferably.
Here, matter average molecular weight can be measured by gel permeation chromatography (GPC) method, and by using polystyrene to make Standard curve and find out.For example, the matter average molecular weight of above-mentioned each polymer can be changed by GPC method below with polystyrene The mode of calculation value calculates.
< GPC measurement devices >
Column:TOSO GMHHR-H(S)HT
Detector:Phase chromatography-use RI detector WATERS 150C
The > such as < determination conditions
Solvent:1,2,4- trichloro-benzenes
Measuring temperature:145℃
Flow velocity:1.0 ml/min
Sample solution concentration:2.2mg/ milliliter
Injection rate:160 microlitres
Standard curve:Universal Calibration
Analyze program:HT-GPC(Ver,1.0)
The content of viscosity index improver counts preferably 0.5 ~ 15 from the viewpoint of viscosity characteristics on the basis of total composition Quality %, more preferably 1 ~ 10 mass %, further preferably 1.5 ~ 5 mass %.
(pour-point depressant)
As pour-point depressant, it can be cited for example that vinyl-vinyl acetate copolymer, the condensation product of chlorinated paraffin and naphthalene, chlorination stone The condensation product of wax and phenol, polymethacrylates, alkyl styrenes etc..
(antifoaming agent)
As antifoaming agent, it can be cited for example that silicone oil, fluorosilicone oil and fluoroalkyl ether etc..
(friction modifier)
As friction modifier, it can be cited for example that the alkyl or alkene that are in the molecule 6 ~ 30 at least one carbon atom number Fatty acid amine, aliphatic ester, fatty acid amide, the fat for the straight chained alkyl or straight-chain alkenyl that base, particularly carbon atom number are 6 ~ 30 The ashless friction conditioning agents such as fat acid, aliphatic alcohol and ether fatty acids;Molybdenum dithiocarbamate (MoDTC), molybdenum dithiophosphate (MoDTP) and the molybdenum systems friction modifier such as the amine salt of molybdic acid etc..
When using ashless friction conditioning agent, the content on the basis of total composition is preferably 0.01 ~ 3 mass %, more excellent It is selected as 0.1 ~ 2 mass %.In addition, when using molybdenum system friction modifier, the content on the basis of total composition is changed with molybdenum atom Calculate preferably 60 ~ 1,000 mass ppm, more preferably 80 ~ 1,000 mass ppm.It, can be with if content is in above range Excellent burnup economy, abrasion performance characteristic are obtained, the reduction of detergency can be inhibited.
(abrasion performance agent)
As abrasion performance agent, it can be cited for example that zinc dialkyl dithiophosphate (ZnDTP), trbasic zinc phosphate, aminodithioformic acid Zinc, molybdenum dithiocarbamate, molybdenum dithiophosphate, disulfides, olefine sulfide class, vulcanization grease type, vulcanization esters, sulphur For sulfur-containing compounds such as carbonates, thiocarbamates, multiple sulfides;Phosphorous acid esters, phosphoric acid ester, phosphonate ester Class and the phosphorous compound such as their amine salt or metal salt;Thiophosphorous acid esters, group thiophosphate, Thiophosphonate The abrasion performance agent of class and the sulfur-bearings such as their amine salt or metal salt and phosphorus.
(extreme pressure agent)
As extreme pressure agent, it can be cited for example that the sulphur system such as thioether class, sulfoxide type, sulfone class, thiophosphorous acid esters extreme pressure agent, chloro The halogen systems such as hydrocarbon extreme pressure agent, organic metal system extreme pressure agent etc..
(oiliness improver)
As oiliness improver, it can be cited for example that the aliphatic monocarboxylic acids such as stearic acid, oleic acid;The polymerizations such as dimeric dibasic acid, hydrogenated dimer Aliphatic acid;The hydroxy fatty acids such as ricinoleic acid, hydroxy stearic acid;The aliphat single-alcohols such as laruyl alcohol, oleyl alcohol;Stearic amine, oily alkene The aliphatic acid monoamine such as base amine;Fatty acid amides such as lauramide, oleamide etc..
(antioxidant)
As antioxidant, it can be cited for example that the amine systems such as diphenyl amine antioxidant, naphthalene amine antioxidant are anti-oxidant Agent;The phenolic antioxidants such as single phenolic antioxidant, double phenolic antioxidants, hindered phenolic antioxidant;Make molybdenum trioxide and/ Or molybdic acid reacted with amine compounds obtained from the molybdenum systems antioxidant such as molybdenum amine complex;Phenthazine, two (octadecyls) vulcanization Object, 3,3'The sulfur antioxidants such as thiodipropionate dilauryl, 2-mercaptobenzimidazole;Triphenyl phosphite, phosphorous acid Phosphorous antioxidants such as diisopropyl list phenylester, phosphorous acid monobutyl diphenyl etc..
(dispersant)
As dispersant, it can be cited for example that not the succimide class of boracic, the succimide class of boracic, benzene methanamine class, Unitary or dicarboxylic acids amides representated by the benzene methanamine class of boracic, succinic acid esters, aliphatic acid or succinic acid etc. are ashless It is dispersant.
(metal system detersive)
As metal system detersive, it can be cited for example that the neutral metal sulfonate of the alkaline-earth metal such as calcium, neutral metal phenates, in Property metal salicylate salt, neutral metal phosphonate, basic metal sulfonates, alkalinous metal phenates, alkalinous metal salicylate, alkali Property phosphonate, overbased metal sulphonate, overbased metal phenates, overbased metal salicylate, parlkaline phosphonate etc..
(metal inerting agent)
As metal inerting agent, enumerate BTA system, tolyl-triazole system, thiadiazoles system and imidazole compound etc. can be enumerated.
(antirust agent)
As antirust agent, it can be cited for example that petroleum sulfonate, alkylbenzene sulfonate, dinonylnaphthalene sulfonic acid salt, alkenyl succinic acid Ester, polyol ester etc..
(the various physical property of lubricant oil composite)
The lubricant oil composite of present embodiment has other than the amine compounds (B) of above-mentioned hydroxyl, amine compounds (C) When comprising such as amine antioxidant, amide system the oiliness improver additive with nitrogen-atoms like that, but include in these each ingredients Whole nitrogen-atoms the content on the basis of total composition be preferably 80 ~ 800 mass ppm, more preferably 80 ~ 500 mass Ppm, further preferably 80 ~ 300 mass ppm.If the content of whole nitrogen-atoms is that can be obtained excellent in above range Anti- brake scream performance, the in addition seizure of excellent speed changer and abrasion prevent performance, viscosity characteristics, to oxidative degradation etc. Stability.
In the lubricant oil composite of present embodiment, pass through JASO M348:2002 (automatic transmission experiment of friction performance Method) use what is respectively measured after 1 cycle in the dynamic friction experiment of SAE No.2 friction test devices and after 5000 cycles The coefficient of kinetic friction (μ0) and the coefficient of kinetic friction (μd) the ratio between (μ0d, hereinafter referred to as friction coefficient ratio) and it is preferably 1 or less.By making Based on dynamic friction experiment (1 cycle after, 5000 cycle after) friction coefficient ratio reach 1 hereinafter, from initial stage through it is long when Between show anti-brake and scream performance.Here, dynamic friction experiment is based on the method described in embodiment.
Kinematic viscosity at 40 DEG C of the lubricant oil composite of present embodiment is preferably 20 ~ 80mm2/ s, more preferably 30 ~70mm2/ s, further preferably 40 ~ 70mm2/s.Kinematic viscosity at 100 DEG C of the lubricant oil composite of present embodiment is excellent It is selected as 7 ~ 12mm2/ s, more preferably 8 ~ 11mm2/ s, further preferably 8.5 ~ 10.5mm2/s。
In addition, the viscosity index (VI) of the lubricant oil composite of present embodiment is preferably 130 or more, more preferably 135 or more, Further preferably 140 or more.
Here, the assay method of kinematic viscosity and viscosity index (VI) is identical as above-mentioned base oil.
(lubricating method)
In the lubricating method of present embodiment, the lubricant oil composite of above-mentioned present embodiment is used.The lubrication of present embodiment The lubricant oil composite used in method particularly there is excellent anti-brake to scream performance, in addition, also having general work The seizure of performance, such as speed changer required by the lubricant oil composite used in industry machinery and abrasion prevent performance, viscosity Characteristic and stability to oxidative degradation etc..
Therefore, the lubricating method of present embodiment show excellent anti-brake scream performance while, also show Go out the seizure of speed changer prevents performance, viscosity characteristics and the stability to oxidative degradation etc. with what is worn away, therefore is having speed change In the industrial machinery of the routine such as agricultural machinery, construction implement, the Transport Machinery in device (gear), oil pressure activated portion etc., play excellent Different effect.Especially, to having the industrial machinery of speed changer (gear), oil pressure activated portion and wet brake, for example dragging The construction implements such as the agricultural machinery such as machine drawing, rice transplanter, reaper binder, combine harvester, hydraulic excavator, crane, bull-dozer, self-unloading When the Transport Machinery such as vehicle, fork truck, shovel loader, full landform transport vehicle carry out sharing lubrication, anti-brake screams performance can be effective Ground functions.
Embodiment
Then, present invention will be further described in detail through examples, but the present invention not due to these examples by any limit It is fixed.
Embodiment 1,2 and comparative example 1
According to use level (quality %) shown in table 1, lubricant oil composite is prepared.For gained lubricant oil composite, by following Method carry out various experiments, evaluate its physical property.Evaluation result is shown in table 1.It should be noted that 1 institute of table used in the present embodiment That Details as Follows is described for each ingredient shown.
Base oil 1:150N (neutral oil) hydrorefined mineral oils, 100 DEG C of kinematic viscosity:5.3mm2/ s, viscosity index (VI):116, 2 classes of API
Base oil 2:500N (neutral oil) hydrorefined mineral oils, 100 DEG C of kinematic viscosity:10.5mm2/ s, viscosity index (VI):96, 2 classes of API
The amine compounds (B) of hydroxyl:Oleyl diethanol amine (in general formula (1), R1For positive octadecene base, R2And R3For Asia Ethyl), nitrogen atom content:4.0 mass %
Amine compounds (C):Dimethylstearamine (in general formula (2), R4For n-octadecane base, R5And R6For methyl), nitrogen-atoms Content:4.7 mass %
Viscosity index improver:Polymethacrylates, matter average molecular weight:550,000
Other additives:Pour-point depressant, antifoaming agent, extreme pressure agent, oiliness improver (oleamide), antioxidant etc..
The measurement of the character of lubricant oil composite is carried out by the following method.
(1) kinematic viscosity
According to JIS K 2283:2000, measure the kinematic viscosity at 40 DEG C, 100 DEG C.
(2) viscosity index (VI) (VI)
According to JIS K 2283:2000 measure.
(3) content of nitrogen-atoms
According to JIS K2609:1998 measure.
(4) it is based on dynamic friction experiment and calculates the coefficient of kinetic friction (μ0), the coefficient of kinetic friction (μd) and friction coefficient ratio (μ0/ μd)
For the lubricant oil composite of each embodiment and comparative example, following dynamic friction experiments are carried out, calculate the coefficient of kinetic friction (μ0), The coefficient of kinetic friction (μd) and friction coefficient ratio (μ0d)。
(dynamic friction is tested;Pass through JASO M348:2002 (automatic transmission experiment of friction performance methods), use SAE The friction test of No.2 experimental rigs)
Using SAE No.2 experimental rigs, dynamic friction experiment is carried out under the following conditions, is measured for calculating the coefficient of kinetic friction (μd) rotating speed (1200rpm) and for calculating the coefficient of kinetic friction (μ0) rotating speed (80rpm) under respective friction torque (Td, T0), by following mathematical expressions (1), calculate the coefficient of kinetic friction (μ under these friction torquesd0), calculate friction coefficient ratio (μ0/ μd)。
&#91;Mathematical expression 1&#93;
μ:The coefficient of kinetic friction
T:Friction torque (Nm)
n:Frictional disk number (3)
re:Average friction effective radius (20mm)
P:By ballast weight (1962kPa)
A:Friction area (3142mm2)。
(experimental condition)
The assembling mode of friction material:Stainless steel plate/agglomerated material/stainless steel plate
The moment of inertia of inertia plectane:0.207kg・m2
Test speed:3000±50rpm
Rotate rise time:8 ± 2 seconds
Oil temperature:95±5℃
Oil mass:700ml
Friction plate face pressure:1962kPa
Test cycle:30 seconds/cycle
By the rise time of ballast weight:0.1 ~ 0.15 second
By the retention time of ballast weight:5 seconds
Test number (TN):1 cycle or 5000 cycles
Grinding temperature:60℃
Grind number:100 cycles
For calculating the coefficient of kinetic friction (μd) rotating speed:1200rpm
For calculating the coefficient of kinetic friction (μ0) rotating speed:80rpm.
&#91;Table 1&#93;
Remarks) it is * 1 ~ 3 in table 1 as described below.
* 1, the content on the basis of total composition of the nitrogen-atoms in the amine compounds (B) of hydroxyl.
* 2, the content on the basis of total composition of the nitrogen-atoms in amine compounds (C).
* 3, the nitrogen-atoms in the amine compounds (B) of the hydroxyl is relative to the nitrogen-atoms and amine in the amine compounds (B) of hydroxyl The ratio of the total amount of nitrogen-atoms in compound (C).
Confirmed according to the result of Examples 1 and 2, includes this embodiment party of the amine compounds (B) of base oil (A) and hydroxyl In lubricant oil composite described in formula, with friction test (after 1 cycle and after 5000 cycles), friction coefficient ratio reaches 1 Hereinafter, being screamed performance from initial stage by showing excellent anti-brake for a long time.On the other hand it confirmed, be free of hydroxyl The lubricant oil composites of comparative example 1 of amine compounds (B) show anti-brake in the early stage and scream performance, but by for a long time It does not show.
Industrial applicibility
The lubricant oil composite of present embodiment is especially the lubricant oil composite for the performance that screams with excellent anti-brake, should Lubricant oil composite and it is suitable for using its lubricating method normal as such as agricultural machinery, construction implement, Transport Machinery etc. It is used in the industrial machinery for having speed changer (gear), oil pressure activated portion etc. of the industrial machinery of rule.Especially, it is suitable for having Standby speed changer (gear), oil pressure activated portion and the industrial machinery of wet brake, such as tractor, rice transplanter, reaper binder, connection Close construction implements, dumper, fork truck, shovel loader, the full landform such as agricultural machinery, hydraulic excavator, crane, the bull-dozers such as harvester It is used in the Transport Machinery such as transport vehicle.

Claims (11)

1. lubricant oil composite contains:The amine compounds (B) of hydroxyl shown in base oil (A) and the following general formula (1),
&#91;Chemical formula 1&#93;
In general formula (1), R1It is the aliphatic alkyl that carbon atom number is 12 ~ 30, R2And R3Be each independently carbon atom number be 1 ~ 5 Aliphatic alkyl.
2. lubricant oil composite according to claim 1, wherein the nitrogen-atoms in the amine compounds (B) of the hydroxyl The content on the basis of total composition be 10 ~ 300 mass ppm.
3. lubricant oil composite according to claim 1 or 2 also contains amine compounds shown in the following general formula (2) (C),
&#91;Chemical formula 2&#93;
In general formula (2), R4It is the aliphatic alkyl that carbon atom number is 12 ~ 30, R5And R6Be each independently carbon atom number be 1 ~ 5 Aliphatic alkyl.
4. lubricant oil composite according to claim 3, wherein the nitrogen-atoms phase in the amine compounds (B) of the hydroxyl For the ratio of nitrogen-atoms and the total amount of the nitrogen-atoms in the amine compounds (C) in the amine compounds (B) of the hydroxyl Example is 0.5 or more.
5. the lubricant oil composite according to any one of claim 1 ~ 4, wherein whole nitrogen-atoms with total composition On the basis of content be 80 ~ 800 mass ppm.
6. the lubricant oil composite according to any one of claim 1 ~ 5, wherein in general formula (1), R1It is that carbon atom number is 12 ~ 30 alkyl or alkenyl, R2And R3It is the alkylidene that carbon atom number is 1 ~ 5 or the Asia that carbon atom number is 2 ~ 5 each independently Alkenyl.
7. the lubricant oil composite according to any one of claim 3 ~ 6, wherein in general formula (2), R4It is that carbon atom number is 12 ~ 30 alkyl or alkenyl, R5And R6It is alkyl that carbon atom number is 1 ~ 5 each independently or carbon atom number is 2 ~ 5 alkenyls.
8. the lubricant oil composite according to any one of claim 1 ~ 7, wherein 100 DEG C of kinematic viscosity are 7 ~ 12mm2/ s, Viscosity index (VI) is 130 or more.
9. according to lubricant oil composite any one of claims 1 to 8, be used to having speed changer, oil pressure activated portion, With the industrial machinery of wet brake.
10. lubricating method, wherein use the lubricant oil composite described in any one of claim 1 ~ 9.
11. lubricating method according to claim 10, wherein to having speed changer, oil pressure activated portion and wet brake Industrial machinery be lubricated.
CN201780011512.XA 2016-02-18 2017-02-17 Lubricating oil composition and lubricating method Pending CN108699471A (en)

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