CN106133124B - Lubricant oil composite - Google Patents

Lubricant oil composite Download PDF

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Publication number
CN106133124B
CN106133124B CN201580016882.3A CN201580016882A CN106133124B CN 106133124 B CN106133124 B CN 106133124B CN 201580016882 A CN201580016882 A CN 201580016882A CN 106133124 B CN106133124 B CN 106133124B
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content
phosphate ester
amine salt
mass
lubricant oil
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CN106133124A (en
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辻本铁平
渡边绚子
水谷祐也
菅原常年
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Eneos Corp
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JX Nippon Oil and Energy Corp
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
    • C10M101/02—Petroleum fractions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
    • C10M133/16—Amides; Imides
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
    • C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
    • C10M137/04—Phosphate esters
    • C10M137/08—Ammonium or amine salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/102—Aliphatic fractions
    • C10M2203/1025—Aliphatic fractions used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
    • C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/08—Amides
    • C10M2215/082—Amides containing hydroxyl groups; Alkoxylated derivatives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/041—Triaryl phosphates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/043—Ammonium or amine salts thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives

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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

The present invention provides a kind of lubricant oil composite, it contains hydrocarbon system base oil, sarcosine derivative and acid phosphate ester amine salt, in terms of lubricant oil composite total amount benchmark, the content of sarcosine derivative is 0.005~0.1 mass %, the content of acid phosphate ester amine salt is 0.01~0.5 mass %, and the ratio between content (A) of the content (B) of acid phosphate ester amine salt and sarcosine derivative (B/A) is 1~30 by quality ratio.

Description

Lubricant oil composite
Technical field
The present invention relates to lubricant oil composites.
Background technique
The performance that lubricating oil is required according to it is compounded additive in the base oils such as mineral oil, synthetic oil and is prepared.Example Such as, in following Patent Documents 1 to 3, as the lubricating oil of rust-preventing characteristic and excellent wear resistance, one kind is disclosed in base oil The lubricating oil of middle compounding sarcosine derivative and extreme pressure agent.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2002-129180 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2009-144045 bulletin
Patent document 3: Japanese Unexamined Patent Publication 2012-007186 bulletin
Abstract of invention
Subject to be solved by the invention
In general, in order to obtain desired effect by adding additive, it is necessary to be compounded and add in base oil Add the effective quantity of agent.
But through the inventors of the present invention research it is found that if in base oil be compounded sarcosine derivative effective quantity, Precipitating can be generated.In particular, also being produced sometimes in the use process of lubricating oil even if not generating precipitating when preparing lubricating oil Raw precipitating.
The present invention is proposed in view of problem above, it is intended that sarcosine derivative can effectively be obtained by providing Additive effect and can sufficiently inhibit precipitating generation lubricant oil composite.
The solution to the problem
The present invention provides a kind of lubricant oil composite, contains hydrocarbon system base oil, sarcosine derivative and phosphate ester acid Amine salt, in terms of lubricant oil composite total amount benchmark, the content of sarcosine derivative is 0.005~0.1 mass %, phosphate ester acid The content of amine salt is 0.01~0.5 mass %, the content (A) of the content (B) of acid phosphate ester amine salt and sarcosine derivative it It is by quality ratio 1~30 than (B/A).
In lubricant oil composite of the invention, by by the content of sarcosine derivative and acid phosphate ester amine salt and The ratio between content and the content of sarcosine derivative of acid phosphate ester amine salt are set as in the range of regulation, can effectively obtain flesh ammonia The additive effect of acid derivative and the generation that can sufficiently inhibit precipitating.On the other hand, in the lubricating oil group for not having the program In conjunction object, the lubricant oil composite for example containing hydrocarbon system base oil, the inventors of the present invention's confirmation is not containing 0.01~0.5 mass % Acid phosphate ester amine salt the case where or acid phosphate ester amine salt content (B) and sarcosine derivative content (A) it Than (B/A) by quality ratio for 1~30 range other than in the case where, as its use may generate precipitating.It is possible thereby to The reason of inferring, generating said effect through the invention first is that, in the combination with hydrocarbon system base oil, it is derivative to pass through sarcosine The content ratio of the content and the two of object and acid phosphate ester amine salt meets above-mentioned condition, and acid phosphate ester amine salt can be used as flesh The dissolution aids of threonine derivative and play a role.
The %C of hydrocarbon system base oilPPreferably 50 or more, the content of the hydrocarbon system base oil is with lubricant oil composite total amount benchmark Meter is preferably 95 mass % or more.
Sarcosine derivative preferably comprises following general formula (1) compound represented.
[in formula, R1Indicate that carbon atom number is 10~20 straight-chain alkenyl.]
Invention effect
According to the present invention it is possible to provide the additive effect that can effectively obtain sarcosine derivative and can sufficiently press down Make the lubricant oil composite of the generation of precipitating.
Specific embodiment
Hereinafter, will be explained in the preferred embodiment of lubricant oil composite of the invention.
The lubricant oil composite of the present embodiment contains hydrocarbon system base oil, sarcosine derivative and acid phosphate ester amine salt.With Lubricant oil composite total amount benchmark meter, the content of sarcosine derivative are 0.005~0.1 mass %, acid phosphate ester amine salt Content is 0.01~0.5 mass %.The ratio between the content (B) of acid phosphate ester amine salt and the content (A) of sarcosine derivative (B/A) It is by quality ratio 1~30.
As hydrocarbon system base oil, mineral oil type base oil, synthetic base oil or two or more these can be enumerated The miscella of base oil.
As mineral oil type base oil, such as it can enumerate and be obtained by the crude distillation of alkane hydrocarbon system or cycloalkanes hydrocarbon system The kerosene distillate arrived；The n-alkane as obtained from extracting operation to kerosene distillate；And with by alkane hydrocarbon system or Lube cut obtained from person's cycloalkanes hydrocarbon system crude distillation or as obtained from lubricating oil dewaxing process, by loose The synthesis paraffin such as the paraffin such as paraffin and/or gas turns obtained from liquid (GTL) technique etc., fischer-tropsch paraffin, GTL paraffin as raw material, Appropriately combined solvent deasphalting solvent extraction, is hydrocracked, hydroisomerization, solvent dewaxing, catalytic dewaxing, hydrofinishing, sulphur 1 kind in the refining treatments such as sour cleaning, clay treatment or two or more refined obtained from alkane hydrocarbon system mineral oil, ring Alkane system mineral oil, N-alkanes hydrocarbon system base oil, isomeric alkane hydrocarbon system base oil.Wherein, it is preferable to use alkane hydrocarbon system mineral oil, just Structure alkane system's base oil and isomeric alkane hydrocarbon system base oil.
As synthetic base oil, such as poly alpha olefin or its hydride can be enumerated；Propylene oligomer, isobutylene oligome The olefin oligomers such as object, polybutene, 1- octene oligomers, 1- decylene oligomer, ethylene-propylene oligomer or its hydride； Alkylbenzene；Alkylnaphthalene.Wherein, it is preferable to use poly alpha olefin or its hydride.
The %C of hydrocarbon system base oilPPreferably 50 or more, more preferably 75 or more, most preferably 90 or more.Hydrocarbon system base oil %CNPreferably 40 hereinafter, more preferably 22 hereinafter, most preferably 16 or less.The %C of hydrocarbon system base oilAPreferably 10 hereinafter, More preferably 5 hereinafter, most preferably 0.5 or less.If the %C of hydrocarbon system base oilP, %CNAnd %CAIn the above range, then Hydrocarbon system base oil gets higher the stability of oxidation etc., even if being exposed to, heating condition is inferior to be also easy to inhibit the bad of its quality Change.
In addition, %C in the present inventionP, %CNAnd %CARefer to, is respectively base according to ASTM D3238-85 (2010) Quasi- method (n-d-M ring analysis) and the value found out.
Kinematic viscosity at 40 DEG C of hydrocarbon system base oil is preferably 2mm2/ s or more, more preferably 5mm2/ s or more, most preferably For 32mm2/ s or more, additionally, it is preferred that being 1000mm2/ s is hereinafter, more preferably 680mm2/ s or less.100 DEG C of hydrocarbon system base oil Under kinematic viscosity be preferably 2mm2/ s or more, more preferably 3mm2/ s or more, most preferably 5mm2/ s or more, additionally, it is preferred that being 50mm2/ s is hereinafter, more preferably 45mm2/ s is hereinafter, most preferably 40mm2/ s or less.If the kinematic viscosity of hydrocarbon system base oil exists It in above range, then may insure the viscosity appropriate of hydrocarbon system base oil, can be obtained in actual use temperature field good Oil film, therefore machinery can be effectively protected.
The viscosity index (VI) of hydrocarbon system base oil is preferably 70 or more, and more preferably 120 or more, most preferably 135 or more.If Viscosity index (VI) within the above range, then can ensure external temperature the stability of viscosity, even if therefore external warm when in use Degree variation can also be stably formed oil film.
Kinematic viscosity and viscosity index (VI) under 40 DEG C and 100 DEG C in the present invention refer to, respectively with JIS It is measured on the basis of K2283:2000 " crude oil and petroleum product-movement viscosity test method and viscosity index (VI) calculation method " Value.
The content of hydrocarbon system base oil in terms of lubricant oil composite total amount benchmark be preferably 90 mass % or more, more preferably 95 Quality % or more, most preferably 98 mass % or more.
It is not particularly limited as sarcosine derivative, following general formula (1) compound represented can be used for example.
In general formula (1), R1Indicate the aryl, alkyl or alkenyl that carbon atom number is 6~24, preferably expression carbon atom number is 10~20 straight-chain alkenyl.
From the viewpoint of antirust ability, the content of sarcosine derivative is calculated as with lubricant oil composite total amount benchmark 0.005 mass % or more, preferably 0.01 mass % or more, more preferably 0.02 mass % or more.From inhibition lubricating oil composition From the perspective of object generates precipitating with its deterioration when in use, the content of sarcosine derivative is with lubricant oil composite total amount Benchmark is calculated as 0.1 mass % hereinafter, preferably 0.08 mass % is hereinafter, more preferably 0.05 mass % or less.
It is not particularly limited as acid phosphate ester amine salt, acid phosphate shown in following general formula (2) can be used for example The salt of amine shown in ester and following general formula (3).
In general formula (2), R2It separately indicates the aryl, alkyl or alkenyl that carbon atom number is 6~24, preferably indicates The alkyl or alkenyl that carbon atom number is 6~18 more preferably indicates that carbon atom number is 6~12 straight chained alkyl.M indicates 1 or 2. As phosphate ester acid shown in general formula (2), the m in phosphate ester acid and general formula (2) that the m in preferred formula (2) is 1 is 2 Phosphate ester acid mixture.
R3 3-nNHn (3)
In general formula (3), R3It separately indicates the aryl, alkyl or alkenyl that carbon atom number is 6~24, preferably indicates The alkyl or alkenyl for the linear chain or branched chain that carbon atom number is 6~18 more preferably indicates that carbon atom number is 12~18 straight chained alkyl. N indicates 0~3 integer, preferably indicates 2.
From the viewpoint of anti-rust action and assigning extreme pressure property, the content of acid phosphate ester amine salt is with lubricant oil composite Total amount benchmark is calculated as 0.01 mass % or more, preferably 0.02 mass % or more, more preferably 0.05 mass % or more.From inhibition From the perspective of lubricant oil composite deteriorates generation precipitating with it when in use, the content of acid phosphate ester amine salt is with lubricating oil Total composition benchmark is calculated as 0.5 mass % hereinafter, preferably 0.4 mass % is hereinafter, more preferably 0.3 mass % or less.
From the viewpoint of inhibiting lubricant oil composite to deteriorate generation precipitating with it when in use, acid phosphate ester amine salt Content (B) and the ratio between the content (A) (B/A) of sarcosine derivative be by quality ratio 1~30, preferably 2~25, more preferably It is 3~20, most preferably 4~10.
Lubricant oil composite can also contain other than hydrocarbon system base oil, sarcosine derivative and acid phosphate ester amine salt There are other base oils and other additives.
As other base oils, ester output, polyalkylene glycol, polyvingl ether, ketone, organosilicon, perfluoroether can be enumerated Deng.As other additives, phenol system or amine antioxidant, extreme pressure agent, metal deactivator, defoaming agent, anti-corrosion can be enumerated Agent, wetting agent, film forming agent, surfactant etc..It is not special for the content of other base oils and other additives It limits, for example, being preferably 10 mass % or less in terms of lubricant oil composite total amount benchmark.
, it is preferable to use phenol system or amine antioxidant, extreme pressure agent in other additives.As phenol system or amine system antioxygen Agent is not particularly limited, and 2,6- di-t-butyl-paracresol, 4,4 '-di-2-ethylhexylphosphine oxide (2,6- di-tert-butyls can be used for example Phenol), nonox, diphenylamines etc..It is not particularly limited as extreme pressure agent, trithiophenyl phosphate etc. can be used for example.
Lubricant oil composite is for example as lathe lubricating oil, engine oil, driving system's lubricating oil, grease, wet type system The suitable uses such as dynamic oil, hydraulic oil, turbine oil, compressor oil.
Embodiment
Hereinafter, being further elaborated with the present invention based on embodiment, the invention is not limited to embodiments.
Using following base oil and additive, preparing has the lubricant oil composite formed shown in table 1~4.In table, B/A indicates the ratio between the content (B) of acid phosphate ester amine salt and the content (A) of sarcosine derivative (mass ratio).
(base oil)
Base oil 1: poly alpha olefin (decene, dodecylene derivative, 40 DEG C of kinematic viscosity: 44.1mm2/ s, 100 DEG C of movements Viscosity: 7.8mm2/ s, viscosity index (VI): 146, %CP: 100)
Base oil 2: mineral oil (40 DEG C of kinematic viscosity: 47.7mm2/ s, 100 DEG C of kinematic viscosity: 7.8mm2/ s, viscosity index (VI): 131, %CP: 79.7, %CN: 20.3, %CA: 0.0)
Base oil 3: mineral oil (40 DEG C of kinematic viscosity: 47.4mm2/ s, 100 DEG C of kinematic viscosity: 6.9mm2/ s, viscosity index (VI): 101, %CP: 67.5, %CN: 25.7, %CA: 6.8)
(additive)
Additive A 1:N- oleoylsarcosine
Additive B 1: acid phosphate ester amine salt (is the R in general formula (2)2Straight chained alkyl and m for carbon atom number 6 are 1 and 2 mixture is the R in general formula (3)3The compound that alkyl and n for the linear chain or branched chain of carbon number 10~14 are 1 or 2)
Additive B 2: acid phosphate ester amine salt (is the R in general formula (2)2It is 1 for the straight-chain alkenyl and m of carbon atom number 18 With 2 mixture, be the R in general formula (3)3The compound that straight chained alkyl and n for carbon atom number 18 are 2)
Additive b1:2- ethylhexyl phosphate
Additive b2: tricresyl phosphate
Addition of C 1: other additives (amine antioxidant, metal deactivator, defoaming agent)
Antirust evaluation test, extreme pressure property evaluation test and precipitating evaluation examination below are implemented to each lubricant compositions It tests.As a result as shown in table 1~4.
(antirust evaluation test)
On the basis of JIS K2510:1998 " lubricating oil-test for rust preventing ability method ", " having " or the "None" of rust are judged.
(extreme pressure property evaluation test)
Extreme pressure is evaluated on the basis of the Timken method recorded in JIS K2519 " lubricating oil-load resistance method for testing performance " Performance.The above are good in 5.44kgf for OK load.
(precipitating evaluation test)
In 50ml beaker, the iron of sample oil 45g and wire type and the catalyst of copper are put into, in 120 DEG C of constant temperature It is placed 3 days in slot.Appearance is observed later, confirms " having " or the "None" of precipitating.
[table 1]
[table 2]
[table 3]
[table 4]

Claims (2)

1. a kind of lubricant oil composite, containing hydrocarbon system base oil, sarcosine derivative and acid phosphate ester amine salt,
In terms of lubricant oil composite total amount benchmark, the content of the sarcosine derivative is 0.02~0.1 mass %, the acid The content of phosphate amine salt is 0.01~0.5 mass %,
The ratio between the content A of the content B of the acid phosphate ester amine salt and sarcosine derivative B/A is 1 by quality ratio~ 25,
The sarcosine derivative contains following general formula (1) compound represented,
The acid phosphate ester amine salt is the salt of amine shown in phosphate ester acid shown in following general formula (2) and following general formula (3),
In formula (1), R1Indicate that carbon atom number is 10~20 straight-chain alkenyl,
In general formula (2), R2Separately indicate that the aryl, alkyl or alkenyl that carbon atom number is 6~24, m indicate 1 or 2,
R3 3-nNHn (3)
In general formula (3), R3Separately indicate carbon atom number be 6~24 aryl, alkyl or alkenyl, n indicate 0~3 it is whole Number.
2. lubricant oil composite according to claim 1, wherein the %C of the hydrocarbon system base oilPIt is 50 or more, the hydrocarbon system The content of base oil is calculated as 95 mass % or more with lubricant oil composite total amount benchmark.
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JP6856296B2 (en) * 2016-03-31 2021-04-07 出光興産株式会社 Lubricating oil composition and metal processing method
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