CN102127485B - Lubricant composition - Google Patents
Lubricant composition Download PDFInfo
- Publication number
- CN102127485B CN102127485B CN201110008108.1A CN201110008108A CN102127485B CN 102127485 B CN102127485 B CN 102127485B CN 201110008108 A CN201110008108 A CN 201110008108A CN 102127485 B CN102127485 B CN 102127485B
- Authority
- CN
- China
- Prior art keywords
- quality
- lubricating oil
- ester
- oil composition
- carbonatoms
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Lubricants (AREA)
Abstract
The present invention provides a lubricant composition which has excellent basic performances as the lubricant, namely reduced friction coefficient, excellent wearing resistance and excellent rusting resistance. The lubricant composition is obtained through adding a neutral metal sulphonate, a high-alkali metal sulphonate and an aspartic acid derivative.
Description
Technical field
The present invention relates to lubricating oil composition.More specifically, the lubricating oil composition that can be used as bearing wet goods is related to.
Background technology
In the various industrial fields such as iron and steel, automobile, general instruments, precision instruments, mostly use the lubricating oil being base oil with treated oil or synthetic oil.
In recent years, in order to meet the miniaturization of apparatus, low current, long service life, more and more require the rubbing characteristics and the wear resistant that improve lubricating oil.
In addition, consider the viewpoints such as energy-conservation, cost, environment, prevent metal rusting from seeming important all the more, accompany with it, the requirement improving lubricating oil rust-preventing characteristic is also more and more higher.
Such as patent documentation 1 discloses a kind of lubricating oil composition, it adds as the aspartame of additive and the fatty acid ester of polyvalent alcohol and is formed at least one base oil being selected from mineral oil and synthetic oil, have less frictional coefficient, rust-preventing characteristic is excellent.
In addition, the open a kind of processing dual-purpose anticorrosive oil composition of patent documentation 2, it coordinates the fatty acid ester of polyvalent alcohol, overbased metal sulphonath and neutral metal sulfonate and is formed, oilness, rust-preventing characteristic, degreasing and excellent in workability in specific base oil.
But, even present situation is above-mentioned lubricating oil composition, the requirement improving rubbing characteristics and wear resistant and rust-preventing characteristic can not be met simultaneously.
[prior art document]
[patent documentation]
[patent documentation 1] JP 2008-95076 publication
[patent documentation 2] JP 2007-153962 publication
Summary of the invention
Therefore, problem of the present invention is to provide a kind of lubricating oil composition with excellent rubbing characteristics, wear resistant and rust-preventing characteristic.
In order to solve above-mentioned problem, the present inventor provides the lubricating oil composition of following formation.
(1) lubricating oil composition, it is in lubricant base, add neutral metal sulfonate, overbased metal sulphonath and aspartame.
(2) lubricating oil composition as described in (1), wherein, described aspartame is represented by following general formula (i).
(wherein, R
1and R
4separately represent that hydrogen atom or carbonatoms are alkyl or the hydroxyalkyl of 3 ~ 6, R
2represent carbonatoms to be the saturated or unsaturated carboxylic acid base of 1 ~ 30 or carbonatoms be the alkyl of 1 ~ 30 or alkenyl or hydroxyalkyl, R
3represent that carbonatoms is the alkyl of 1 ~ 30 or hydroxyalkyl or alkoxyalkyl.)
(3) lubricating oil composition as described in (1) or (2), wherein, also adds at least one be selected from polyhydric alcohol fatty acid ester, sarcosine derivative and phosphoric acid ester.
(4) lubricating oil composition according to any one of (1) ~ (3), it is for oil bearing.
(5) lubricating oil composition as described in (4), wherein, described oil bearing is that sintering closes oil bearing.
According to the present invention, can provide a kind of and there is excellent rubbing characteristics and wear resistant and the also excellent lubricating oil composition of rust-preventing characteristic.
Embodiment
Below, enforcement the solution of the present invention is described in detail.
The feature of lubricating oil composition of the present invention is, adds neutral metal sulfonate, overbased metal sulphonath and aspartame in lubricant base.
In the present invention, as lubricant base, be not particularly limited, can preferably use generally well-known lubricating oil.Such as, residual oil that air distillation paraffin base system crude oil, middle base system crude oil or cycloalkanes base system crude oil obtains can be enumerated or the residual oil of air distillation carried out distilled oil that underpressure distillation obtains and they carried out according to conventional methods the refining treated oil obtained, such as solvent-refined oil, hydrofined oil, dewaxing treatment oil, clay treatment wet goods.
In addition, as synthetic oil, such as, can enumerate poly-alpha-olefin, alpha-olefin copolymer (such as ethene-alpha-olefin copolymer), polybutene, alkylbenzene, polyol ester, diester, polyoxyalkylene glycol, polyoxyalkylene glycol ester, polyoxyalkylene glycol ether, the ester that is obstructed, silicone oil, fluoridize wet goods.
Above-mentioned lubricant base can be used alone one, or mixing more than two kinds uses.In addition, according to purposes, position or its periphery is being used to use the situation of resin material or elastomeric material many, in this case, preferred use affects few lubricant base to above-mentioned materials, usually uses poly-alpha-olefin, ethene-alpha-olefin copolymer or the lubricant base based on them.
The kind of above-mentioned various lubricant base and proterties are not particularly limited, can suitably select according to working conditions, but usually use kinetic viscosity (40 DEG C) to be the lubricant base of about 2 ~ 1000cSt, preferably about 5 ~ 500cSt.When using kinetic viscosity to be the following lubricant base of above-mentioned value, likely cause vapour loss increase or oil film strength reduce equal life reduce or abrasion, scorification, on the other hand, when using kinetic viscosity to be the above lubricant base of above-mentioned value, likely produce the unfavorable condition that the consumption of power such as viscous resistance increase or moment increase.
Lubricant base uses the lubricant base after with the addition of viscosity index improving agent.As viscosity index improving agent, such as, can use ethylene-propylene copolymer, styreneisobutylene multipolymer, polystyrene, polyisobutene, polyacrylic ester, polymethacrylate etc.The molecular weight of above-mentioned polymkeric substance is not particularly limited, but in order to improve enough viscosity indexs, preferred number average molecular weight Mn about 3000 ~ 1000000, more preferably in the scope of about 3000 ~ 300000.
In the present invention, so-called metal sulfonate, refers to the metal-salt of various sulfonic acid.As sulfonic acid, there are aromatic base crude oil sulfonic acid, alkylsulphonic acid, aryl sulfonic acid, alkyl aryl sulphonic acid etc., more specifically, Witco 1298 Soft Acid, dilauryl cetyl benzenesulfonic acid, paraffin substituted benzenesulfonic acid, polyolefine substituted benzenesulfonic acid, polyisobutene substituted benzenesulfonic acid, naphthene sulfonic acid, dinonylnaphthalene sulfonic acid etc. can be enumerated.In above-mentioned sulfonic acid, optimization aromatic mahogany acid, dinonylnaphthalene sulfonic acid.In addition, as metal, the various metals such as calcium, sodium, magnesium, zinc can be enumerated, in above-mentioned metal, particularly preferably calcium.And then, as metal sulfonate, the mixture of above-mentioned metal organic sulfonate and carboxylic metallic salt and/or carboxylate metal's salt can be used.It should be noted that, when metal is calcium, its content take total composition as benchmark, is preferably below 2.5 quality %.When the content of calcium is below 2.5 quality %, even if attaching oil, automobile masticsealant (mastic sealant) etc. is not hindered to contain the cementability of the tackiness agent of vinylchlorid yet.
From viewpoint environmentally, not baric in fact in preferred neutral metal sulfonate and overbased metal sulphonath, more specifically, the content of preferred barium is respectively below 5 quality ppm.
Neutral metal sulfonate specifically refers to that by the total basicnumber obtained according to the perchloric acid method of JIS K-2501 be more than 0 neutral metal sulfonate being less than 50mgKOH/g.By containing neutral metal sulfonate, rust-preventing characteristic, coloring resistance improve.
Neutral metal sulfonate can be used alone one, or also can combine more than two kinds and use.In addition, the use level of neutral metal sulfonate with total composition benchmark preferably in the scope of 0.1 ~ 10 quality %, more preferably in the scope of 1 ~ 10 quality %, particularly preferably in the scope of 1 ~ 8 quality %.When being converted into metal ingredient, preferably in the scope of 0.003 ~ 0.3 quality %, more preferably in the scope of 0.03 ~ 0.3 quality %, particularly preferably in the scope of 0.03 ~ 0.25 quality %.The amount being less than this scope can not get sufficient effect sometimes, and the amount more than this scope does not play the effect corresponding to addition, unfavorable in economic aspect.
Overbased metal sulphonath specifically refers to that by the total basicnumber obtained according to the perchloric acid method of JIS K-2501 be the overbased metal sulphonath of 50 ~ 500mgKOH/g.Overbased metal sulphonath, from the viewpoint that can reduce addition, is more than 300mgKOH/g by the total basicnumber obtained according to the perchloric acid method of JIS K-2501, is more preferably more than 400mgKOH/g.
Overbased metal sulphonath can be used alone one, also can combine more than two kinds and use.In addition, the use level of overbased metal sulphonath with total composition benchmark preferably in the scope of 1 ~ 20 quality %, more preferably in the scope of 1 ~ 10 quality %, particularly preferably in the scope of 1 ~ 5 quality %.When being converted into metal ingredient, the preferably scope of 0.2 ~ 4 quality %, the more preferably scope of 0.2 ~ 3 quality %, the particularly preferably scope of 0.3 ~ 2.5 quality %.The amount being less than this scope can not get sufficient effect sometimes, and the amount more than this scope does not play the effect corresponding to addition, unfavorable in economic aspect.
About the compounding ratio of neutral metal sulfonate and overbased metal sulphonath, the preferably scope of 1: 4 ~ 4: 1, the more preferably scope of 1: 2 ~ 2: 1.
As aspartame, be not particularly limited, but preferably can use the compound that following general formula (i) represents.
Herein, in general formula (i), R
1and R
4separately represent that hydrogen atom or carbonatoms are alkyl or the hydroxyalkyl of 3 ~ 6, particularly preferably 2-methyl-propyl and the tertiary butyl.
R
2to be carbonatoms be 1 ~ 30 saturated or unsaturated carboxylic acid base (there is the organic group of carboxyl) or carbonatoms be 1 ~ 30 alkyl or alkenyl or hydroxyalkyl, particularly preferably propionyloxy or propionyl acid radical.
R
3represent that carbonatoms is alkyl or hydroxyalkyl or the alkoxyalkyl of 1 ~ 30.Such as can enumerate octadecyl, alkoxyl group propyl group, 3-(C6 ~ C18)-oxyl (C3 ~ C6) alkyl, cyclohexyl oxygen base propyl group, 3-octyl group oxygen base propyl group, 3-iso-octyl oxygen base propyl group, 3-decyl oxygen base propyl group, 3-isodecyl oxygen base propyl group, 3-(C12 ~ C16) alkoxyl group propyl group etc.As the more preferably example of above-mentioned aspartame, such as there are N-1 oxygen-3 ketonic oxygen base propyl group-N-3 octyl group oxygen base propyl group-aspartic acid diisobutyl ester, N-1 oxygen-3 ketonic oxygen base propyl group-N-3 decyl oxygen base propyl group-aspartic acid diisobutyl ester, N-1 oxygen-3 ketonic oxygen base propyl group-N-3 dodecyl oxygen base propyl group-aspartic acid diisobutyl ester, N-1 oxygen-3 ketonic oxygen base propyl group-N-3 tetradecyl oxygen base propyl group-aspartic acid diisobutyl ester etc., their mixture can be enumerated.It should be noted that, aspartic acid can be R body, S body, raceme any one.In addition, can be used alone one, also can be used together multiple.
Above-mentioned aspartame can be the acid number specified by JISK2501 is the derivative of 10 ~ 200mgKOH/g, is more preferably the derivative of 50 ~ 150mgKOH/g.Aspartame uses with about about 0.01 ~ 5 quality %, preferably about about 0.05 ~ 2 quality % in lubricating oil composition.
In lubricating oil composition of the present invention, in addition to the above ingredients, at least one be selected from polyhydric alcohol fatty acid ester, sarcosine derivative and phosphoric acid ester is preferably added.
As the fatty acid ester of polyvalent alcohol, can use at present as the fatty acid ester that oiliness improver uses, the carbonatoms of the polyvalent alcohols such as such as glycerine, sorbyl alcohol, alkylene glycol, neopentyl glycol, TriMethylolPropane(TMP), tetramethylolmethane, Xylitol is the part of the saturated or unsaturated fatty acids of 1 ~ 24 (preferred carbonatoms is 10 ~ 20) or full ester.In addition, it is the part of the saturated or unsaturated fatty acids of 1 ~ 24 (preferred carbonatoms is 10 ~ 20) or full ester (such as sorbitan fatty(acid)ester) that the carbonatoms with ring structure also can be used to be the carbonatoms of the polyvalent alcohol of 1 ~ 10.
As above-mentioned fatty acid ester, specifically, such as glyceryl ester, there are glyceryl monolaurate, glycerine single-stearic acyl ester, glycerol monopalmitate, glyceryl monooleate, Lauric acid, diester with glycerol, glycerine distearyl ester, dipalmitin, glycerol dioleate etc.
As sorbitol ester, sorbitan monolaurate, sorbyl alcohol monopalmitate, sorbyl alcohol list stearyl ester, sorbitol monooleate, sorbyl alcohol dilaurate, sorbyl alcohol dipalmitate, sorbyl alcohol distearyl ester, sorbyl alcohol dioleate, sorbyl alcohol three stearyl ester, sorbyl alcohol trilaurin, sorbitol olein, sorbyl alcohol four oleic acid ester etc. can be enumerated.
As alkylene glycol ester, there are ethylene glycol monolaurate, ethylene glycol list stearyl ester, ethylene glycol monoleate, ethylene glycol dilaurate, glycol distearoyl ester, ethylene glycol bisthioglycolate oleic acid ester, Rikemal PL 100, propylene glycol list stearyl ester, propylene glycol mono-oleate, propandiol dilaurate, propylene glycol distearyl ester, Rikemal PO 200 etc.
As DOPCP, neopentyl glycol mono-laurate, neopentyl glycol single stearyl ester, neopentyl glycol monoleate, neopentyl glycol dilaurate, neopentyl glycol distearyl ester, neopentyl glycol dioleate etc. can be enumerated.
As trihydroxymethylpropanyl ester, there are TriMethylolPropane(TMP) mono-laurate, TriMethylolPropane(TMP) list stearyl ester, TriMethylolPropane(TMP) monoleate, TriMethylolPropane(TMP) dilaurate, TriMethylolPropane(TMP) distearyl ester, TriMethylolPropane(TMP) dioleate, pentaerythritol monolaurate etc.
As pentaerythritol ester, there are tetramethylolmethane list stearyl ester, pentaerythritol monooleate, tetramethylolmethane dilaurate, tetramethylolmethane distearyl ester, tetramethylolmethane dioleate, Dipentaerythritol monoleate etc.
As sorbitan fatty(acid)ester, anhydrosorbitol list stearyl ester, anhydrosorbitol three stearyl ester, Span 20, dehydrating sorbitol monooleate, sorbitan-monopalmityl ester etc. can be enumerated.
As the fatty acid ester of above-mentioned polyvalent alcohol, the part ester of polyvalent alcohol and unsaturated fatty acids preferably can be used.
The fatty acid ester of above-mentioned polyvalent alcohol uses with about about 0.01 ~ 5 quality %, preferably about about 0.01 ~ 2 quality % in lubricating oil composition.The fatty acid ester of polyvalent alcohol helps reduce frictional coefficient, but when usage quantity departs from above-mentioned scope, the reduction decreased effectiveness of frictional coefficient.
As sarcosine derivative, be by the derivative derivative of sarkosine (sarcosine), be not particularly limited, particularly preferably use the derivative that following general formula (ii) represents.
Herein, in general formula (ii), R
5expression-R
7or-C (=O)-R
7(wherein, R
7represent carbonatoms be 1 ~ 30 alkyl of (being preferably 10 ~ 20) or alkenyl or hydroxyalkyl.), R
6represent that hydrogen atom or carbonatoms are alkyl or the hydroxyalkyl of 3 ~ 6.
As the use level of sarcosine derivative, relative to total composition, preferably in the scope of 0.01 ~ 5 quality %, more preferably in the scope of 0.01 ~ 2 quality %.By adding sarcosine derivative, can expect to improve rust-preventing characteristic further, if but the scope of use level disengaging 0.01 ~ 5 quality %, then likely do not play above-mentioned effect.
As phosphoric acid ester, generally well-known phosphoric acid ester can be used ad lib, but preferably can use the phosphate derivative such as polyoxyalkylene alkyl phosphoric acid ester or polyoxyalkylene aryl ethers phosphoric acid ester.As polyoxyalkylene alkyl phosphoric acid ester or polyoxyalkylene aryl ethers phosphoric acid ester, more specifically, the phosphoric acid ester that such as following general formula (iii) represents can be used.
Herein, in general formula (iii), Y
1, Y
2separately represent that (M represents Na or K for hydrogen atom, hydroxyl ,-OM.) or the group that represents of following general formula (iv).
In addition, in general formula (iii) and (iv), R
8represent that carbonatoms is the alkyl or aryl (such as phenyl) of 1 ~ 24, R
9represent that carbonatoms is the alkylene base of 2 ~ 10.In addition, n represents the average adduct number of oxirane, is the integer of 1 ~ 18.
As the use level of phosphoric acid ester, relative to total composition, preferably in the scope of 0.01 ~ 5 quality %, more preferably in the scope of 0.01 ~ 2 quality %.By adding phosphoric acid ester, can expect to improve rust-preventing characteristic further, if but the scope of use level disengaging 0.01 ~ 5 quality %, then likely cannot play above-mentioned effect.
Except above each composition, also can add flow point depressant, ashless system dispersion agent, metal system sanitising agent, antioxidant, rust-preventive agent, sanitas, defoamer, friction modifier, metal-inert agent etc. according to purposes and use for the known additive of lubricating oil at present.
As flow point depressant, such as polymethacrylate can be used, polyacrylic ester, two (four paraffin phenol) phthalic acid ester (di (tetra-paraffin phenol) phthalate), the condensation product of four paraffin phenol (tetra-paraffin phenol), the condensation product of alkylnaphthalene, chlorocosane-naphthalene condenses, alkylated polystyrene etc., as ashless system dispersion agent, such as can use succinimide system, succinic diamide system, benzyl amine system, the ashless system dispersion agent etc. of ester system, as metal system sanitising agent, such as can use with dinonylnaphthalene sulfonic acid is the sulfonic acid of representative, alkylphenol, the metal-salt of Whitfield's ointment etc.
In addition, as antioxidant, such as can use 2,6-di-tert-butyl-4-methy phenol, 4, the at least one of the amine system antioxidant such as antioxidant, alkyl (carbonatoms 4 ~ 20) diphenylamine, triphenylamine, phenyl-α-naphthylamine, thiodiphenylamine, alkylation phenyl-α-naphthylamine, phenithiazine, alkylated phenthazine of the phenol systems such as 4 '-methylene-bis (2,6 di t butyl phenol) etc.As rust-preventive agent, such as, can use lipid acid, fatty acid soaps, fatty amide, oxidized petroleum wax, alkyl polyoxyethylene ether etc.As sanitas, such as, can use benzotriazole, benzoglyoxaline, thiadiazoles etc.As defoamer, such as, can use dimethyl polysiloxane, polyacrylic acid, metallic soap, fatty acid ester, phosphoric acid ester etc.As metal-inert agent, such as, can enumerate benzotriazole, thiadiazoles, alkenyl succinate or derivatives thereof etc.
The fundamental property (rubbing characteristics and wear resistant) of lubricating oil composition of the present invention not only as lubricating oil is excellent, and has sufficient rust-preventing characteristic.
Usually, the rust-preventing characteristic that the lubricating oil requirements of the oil bearing taking sintered metal bearing as representative is excellent is especially applicable to.Sintered metal bearing is the powder calcining various metals material, the bearing that the countless oilhole soaking by lubricating oil of generation are used, so various metals composition be impregnated in wherein containing immersion oil with very large surface area contact, thus compared with rolling bearing etc., be very easy to get rusty.Therefore, lubricating oil composition of the present invention can be preferred for the sintered metal bearing requiring excellent rust-preventing characteristic as mentioned above.
[embodiment]
Below, illustrate in greater detail the present invention based on embodiment, but the present invention is not limited to these embodiments.
(1) modulator approach of sample oil
Use following each composition, mix with stirrer with the use level (quality %) shown in table 1 and table 2, modulate lubricating oil composition (sample oil) thus.
Base oil: poly-alpha-olefin oil (PAO6, DURASYN 166, INEOS Inc., 40 DEG C of viscosity: 30mm
2/ s)
Neutral metal sulfonate 1 (calcium alkylbenzenesulfonate, Alox2292B, Lubrizol Inc., total basicnumber (JIS K2501): 3mgKOH/g, calcium amount: 2.2%)
Neutral metal sulfonate 2 (alkyl naphthalene sulfonic acid calcium salt/calcium carboxylates salt composite, NA-SUL CA-1089, KING Inc., total basicnumber (JIS K2501): 20mgKOH/g, calcium amount: 2.2%)
Overbased metal sulphonath (high alkaline calcium sulfonate, LZ5347, Lubrizol Inc., total basicnumber (JIS K2501): 400mgKOH/g, calcium amount: 15.5%)
Aspartame 1:(KING Inc. K-CORR100)
Aspartame 2:(KING Inc. K-CORR100A2)
Polyhydric alcohol fatty acid ester: dehydrating sorbitol monooleate
Sarcosine derivative: (Z)-N-methyl-N-(1-oxygen-9-octadecylene base) glycine
Phosphate derivative: Voranol EP 2001 phosphoric acid ester (ADEKA COL PS-810E, ADEKA Inc.)
Antioxidant: amine system antioxidant (KING Inc. NA-LUBE AO-120)
Metal-inert agent: two (2-ethylhexyl)-(4 or the 5)-methyl isophthalic acid H-benzotriazole-1-methylamine of N, N-
(2) evaluation method
(2-1) rust-preventing characteristic
Make each sample oil (n=3) of bearing materials (being equivalent to the material of old JIS B1581 specification SBF2118) vacuum impregnation embodiment or comparative example.Be immersed in the glass ware of the φ 32 that 1.5mg 1wt% salt solution is housed, leave standstill, measure until the number of days that gets rusty.
(2-2) wear resistant
Carry out SHELL four-ball test (based on ASTM D2266 method, temperature 75 DEG C, rotation number 1200rpm, load 392N, time 60 minutes), the wear pattern after determination test.
(2-3) frictional coefficient
Measured by pendulum wear test (based on JASO M314-88, ball: SUJ2 (3/16 inch), draw point (roller pin): SUJ2, oil temperature: R.T.).
(3) evaluation result
The evaluation result of each lubricating oil composition is shown in following table 1 and table 2.
[table 1]
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | |
| Neutral metal sulfonate 1 | 1.0 | 2.0 | 2.0 | |||
| Neutral metal sulfonate 2 | 1.0 | 5.0 | 7.0 | |||
| Overbased metal sulphonath | 0.5 | 2.0 | 1.0 | 5.0 | 7.0 | 2.0 |
| Aspartame 1 | 0.5 | |||||
| Aspartame 2 | 0.5 | 0.3 | 0.5 | 0.5 | 0.5 | |
| Polyol ester | 0.4 | |||||
| Sarcosine derivative | ||||||
| Phosphate derivative | ||||||
| Antioxidant | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| Metal-inert agent | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Base oil | 96.5 | 94.0 | 96.2 | 88.0 | 84.0 | 94.6 |
| Rust-preventing characteristic | 3 days | 3 days | 3 days | 5 days | 5 days | 4 days |
| Wear resistant | 0.37 | 0.35 | 0.39 | 0.39 | 0.41 | 0.38 |
| Frictional coefficient | 0.124 | 0.122 | 0.125 | 0.127 | 0.132 | 0.118 |
[table 2]
| Embodiment 7 | Embodiment 8 | Embodiment 9 | Embodiment 10 | Embodiment 11 | |
| Neutral metal sulfonate 1 | 1.0 | 2.0 | |||
| Neutral metal sulfonate 2 | 2.0 | 5.0 | 7.0 | ||
| Overbased metal sulphonath | 1.0 | 2.0 | 2.0 | 5.0 | 7.0 |
| Aspartame 1 | |||||
| Aspartame 2 | 0.3 | 0.5 | 0.5 | 0.5 | 0.5 |
| Polyol ester | |||||
| Sarcosine derivative | 0.2 | ||||
| Phosphate derivative | 0.4 | 0.2 | 0.2 | 0.2 | |
| Antioxidant | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| Metal-inert agent | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Base oil | 96.0 | 93.6 | 93.8 | 87.8 | 83.8 |
| Rust-preventing characteristic | 6 days | 7 days | 6 days | 8 days | 8 days |
| Wear resistant | 0.37 | 0.37 | 0.37 | 0.38 | 0.40 |
| Frictional coefficient | 0.119 | 0.128 | 0.128 | 0.128 | 0.133 |
[table 3]
| Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 | |
| Neutral metal sulfonate 1 | 2.0 | 2.0 | 2.0 | ||
| Overbased metal sulphonath | 2.0 | 2.0 | 2.0 | ||
| Aspartame 1 | 0.5 | ||||
| Aspartame 2 | 0.5 | ||||
| Polyol ester | 0.4 | 0.4 | 0.4 | ||
| Sarcosine derivative | |||||
| Phosphate derivative 1 | |||||
| Antioxidant | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| Metal-inert agent | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Base oil | 94.5 | 96.0 | 94.1 | 96.1 | 97.6 |
| Rust-preventing characteristic | 1 day | 1 day | 1 day | 1 day | 1 day |
| Wear resistant | 0.47 | 0.77 | 0.40 | 0.79 | 0.51 |
| Frictional coefficient | 0.160 | 0.147 | 0.135 | 0.128 | 0.125 |
From table 1 and table 2 clearly, lubricating oil composition of the present invention reaches the number of days got rusty all needs more than 3 days, has good rust-preventing characteristic.Particularly embodiment 4 contrasted with comparative example 3 (composition corresponding with patent documentation 1) or comparative example 5 (composition corresponding with patent documentation 2), the rust-preventing characteristic of known lubricating oil composition of the present invention depends on the synergy of neutral metal sulfonate and overbased metal sulphonath and aspartame.
In addition, the result of the abrasion resistance test of lubricating oil composition of the present invention is less than 0.41, and frictional coefficient is less than 0.133, has excellent rubbing characteristics and wear resistant concurrently.
Utilizability in industry
The fundamental property of lubricating oil composition of the present invention not only as lubricating oil is excellent, and has sufficient rust-preventing characteristic, so go for the instrument component etc. in various industrial field.
Specifically, rolling bearing, sliding surface bearing, other bearings, chain, lining (bush) can be enumerated.In addition; except the requirement rust-preventing characteristic of intermetallic composite coating use etc. and the parts of oilness etc., also can use based on the object of the sliding part (solid Contact portion) of lubrication and protection gear, valve (valve), stopcock (cock), oil-sealing arrangement (oil seal), electric contact etc.
More specifically, the various positions of following various instrument apparatus can be preferably applicable to.
In automobile, electric radiator fan electric motor can be enumerated, fan coupler, electricity EGR processed, electronically controlled throttling valve (throttle valve), alternator, loose pulley, dynamo-electric brake, hub (hub unit), water pump, power windows, sliding gate, rain brush, electric motor driven power steering mechanism etc. requires rust-preventing characteristic, the rolling bearing of oilness or sliding surface bearing, or gear parts, control switch for automatic variable speed machine, double-direction control switch (rever control switch), keyswitches etc. require rust-preventing characteristic, the electric contact portion of oilness, the X loop section of viscous coupling, the O ring etc. of exhaust brake requires rust-preventing characteristic, the rubber gasket part of oilness, headlight, seat, ABS, door lock, door hinge, clutch type force-increasing mechanism, two two-piece flywheel (two piece fly wheel), window winder (window regulator), ball and socket joint (boll joint), the rolling bearing of clutch type force-increasing mechanism etc., sliding surface bearing, gear, sliding part etc.
In commercial affairs instrument, the sliding part or gear etc. of the requirement rust-preventing characteristic of the fixing roller of duplicating machine, laser printer etc., fixing band etc., the rolling bearing of oilness, sliding surface bearing, resin molding can be enumerated.
In resin manufacture device, stentering machine (film tenter), laminator (film laminator), the requirement rust-preventing characteristic of Banbury (Banbury mixer), the rolling bearing, sliding surface bearing, latching (pin), oil-sealing arrangement (oil seal), gear etc. of oilness can be enumerated.
In paper equipment processed, can enumerate and manufacture the requirement rust-preventing characteristic on two sides corrugated cardboard system (corrugator machine), the rolling bearing, sliding surface bearing, latching, oil-sealing arrangement, gear, chain etc. of oilness.
In wood processing equipment, the requirement rust-preventing characteristic of press (contipress) etc., the rolling bearing, sliding surface bearing, latching, oil-sealing arrangement, gear, chain etc. of oilness can be enumerated.
In food apparatus, the linear slide rail (linear guide) can enumerating bread baker, baking box etc. requires the bearing etc. of rust-preventing characteristic, oilness.
In household electrical appliances information instrument, the rolling bearing of the cooling fan of computer, scavenger, washing machine etc., sliding surface bearing, oil-sealing arrangement etc. can be enumerated.
Apart from the above, the rolling bearing, sliding surface bearing etc. that spin special requirement rust-preventing characteristic, oilness in axle (spindle), servosystem etc. at work apparatus is also gone for.
In addition, each parts used in the construction apparatus, power tool, chain saw etc., isolating switch, limit switch etc. of the rolling bearing in the vacuum pump of semiconductor-fabricating device, liquid crystal mfg. apparatus, electron microscope etc., gear, the portable instrument such as rolling bearing, clock, camera, mobile phone of isolating switch of electronic controls, precision instrument parts, outdoor application are also gone for.
Claims (6)
1. a lubricating oil composition, it is in lubricant base, add neutral metal sulfonate, overbased metal sulphonath and aspartame,
Described aspartame is represented by following general formula (i),
Wherein, R
1and R
4separately represent that hydrogen atom or carbonatoms are alkyl or the hydroxyalkyl of 3 ~ 6, R
2represent carbonatoms to be the saturated or unsaturated carboxylic acid base of 1 ~ 30 or carbonatoms be the alkyl of 1 ~ 30 or alkenyl or hydroxyalkyl, R
3represent that carbonatoms is the alkyl of 1 ~ 30 or hydroxyalkyl or alkoxyalkyl.
2. lubricating oil composition as claimed in claim 1, wherein, also be added with at least one be selected from polyhydric alcohol fatty acid ester, sarcosine derivative and phosphoric acid ester, and, take total composition as benchmark, described neutral metal sulfonate, overbased metal sulphonath and aspartame are respectively 0.1 ~ 10 quality %, 1 ~ 20 quality %, 0.01 ~ 5 quality %.
3. lubricating oil composition as claimed in claim 2, wherein, take total composition as benchmark, described neutral metal sulfonate, overbased metal sulphonath and aspartame are respectively 1 ~ 10 quality %, 1 ~ 10 quality %, 0.05 ~ 2 quality %.
4. lubricating oil composition as claimed in claim 3, wherein, take total composition as benchmark, described neutral metal sulfonate and overbased metal sulphonath are respectively 1 ~ 8 quality %, 1 ~ 5 quality %.
5. the lubricating oil composition according to any one of Claims 1 to 4, it is for oil bearing.
6. lubricating oil composition as claimed in claim 5, wherein, described oil bearing is sintered metal bearing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010004162 | 2010-01-12 | ||
| JP2010-004162 | 2010-01-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102127485A CN102127485A (en) | 2011-07-20 |
| CN102127485B true CN102127485B (en) | 2014-12-31 |
Family
ID=44265760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110008108.1A Active CN102127485B (en) | 2010-01-12 | 2011-01-11 | Lubricant composition |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5672631B2 (en) |
| CN (1) | CN102127485B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5830296B2 (en) * | 2011-07-29 | 2015-12-09 | 出光興産株式会社 | Rolling lubricant and rolling method |
| JP5941342B2 (en) * | 2012-06-05 | 2016-06-29 | Ｊｘエネルギー株式会社 | Lubricating oil composition |
| CN105452427B (en) * | 2013-08-16 | 2018-04-10 | 吉坤日矿日石能源株式会社 | Lubricant composition for internal combustion engine |
| JP6236359B2 (en) * | 2014-06-06 | 2017-11-22 | コスモ石油ルブリカンツ株式会社 | Lubricating oil composition for sliding guide surface |
| JP6856296B2 (en) * | 2016-03-31 | 2021-04-07 | 出光興産株式会社 | Lubricating oil composition and metal processing method |
| JP6777457B2 (en) | 2016-08-18 | 2020-10-28 | 出光興産株式会社 | Lubricating oil composition |
| JP7159097B2 (en) * | 2019-03-28 | 2022-10-24 | Ｅｎｅｏｓ株式会社 | lubricating oil composition |
| US20230250355A1 (en) | 2020-06-09 | 2023-08-10 | Nok Klueber Co., Ltd. | Lubricant composition |
| CN118202024A (en) * | 2021-11-11 | 2024-06-14 | 株式会社海莱客思 | Rust-preventive lubricating oil composition |
| CN114951543B (en) * | 2022-05-26 | 2023-08-29 | 共享新材料(山东)有限公司 | Release agent and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101511984A (en) * | 2006-09-11 | 2009-08-19 | 昭和砚壳石油株式会社 | Lubricating oil composition |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2588270B1 (en) * | 1985-10-03 | 1988-02-05 | Elf France | PROCESS FOR THE PREPARATION OF AN ADDITIVE FOR LUBRICATING OILS, THE ADDITIVE THUS OBTAINED AND A LUBRICATING COMPOSITION CONTAINING SAID ADDITIVE |
| JP3103859B2 (en) * | 1993-10-27 | 2000-10-30 | 光洋精工株式会社 | Anti-rust oil composition for bearings |
| JP4342034B2 (en) * | 1999-05-27 | 2009-10-14 | Ｎｏｋクリューバー株式会社 | Lubricating oil composition |
| JP2007153962A (en) * | 2005-12-01 | 2007-06-21 | Idemitsu Kosan Co Ltd | Rust preventive oil composition also serving as machining fluid |
| JP5255243B2 (en) * | 2006-09-11 | 2013-08-07 | 昭和シェル石油株式会社 | Lubricating oil composition |
-
2011
- 2011-01-11 JP JP2011002732A patent/JP5672631B2/en active Active
- 2011-01-11 CN CN201110008108.1A patent/CN102127485B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101511984A (en) * | 2006-09-11 | 2009-08-19 | 昭和砚壳石油株式会社 | Lubricating oil composition |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2000-336384A 2000.12.05 * |
| JP特开2007-153962A 2007.06.21 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011162774A (en) | 2011-08-25 |
| JP5672631B2 (en) | 2015-02-18 |
| CN102127485A (en) | 2011-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102127485B (en) | Lubricant composition | |
| KR101265168B1 (en) | Grease composition and bearing | |
| JP4883920B2 (en) | Grease composition and bearing | |
| JP4946868B2 (en) | Lubricating oil composition | |
| CN101952401B (en) | Grease composition and bearings | |
| WO2006001309A1 (en) | Rotation transmission apparatus with built-in one-way clutch | |
| CN107406793B (en) | Grease composition | |
| KR20120109594A (en) | Lubricating oil composition | |
| CN104277896A (en) | Lubricating oil composition | |
| CN101617033A (en) | Lubricating oil composition | |
| CN102165052A (en) | Grease composition and bearing | |
| WO2003099973A1 (en) | Grease composition and rolling bearing | |
| CN103429721A (en) | Grease composition | |
| EP4121501B1 (en) | Lubricating oil compositions | |
| CN103732729A (en) | Grease composition for EV/HEV drive motor bearing, and EV/HEV drive motor bearing | |
| CN105273820B (en) | A kind of good lubricating oil of abrasion resistance | |
| JP4342034B2 (en) | Lubricating oil composition | |
| US8889607B2 (en) | Lubricating oil composition | |
| CN108779412B (en) | Grease composition | |
| US8889608B2 (en) | Lubricating oil composition | |
| JP5945488B2 (en) | Gear oil composition | |
| JP2008001734A (en) | Lubricating oil composition | |
| JP2004018677A (en) | Additive composition for lubricant oil and lubricant oil composition | |
| JP3271872B2 (en) | Lubricating oil composition for automatic transmission | |
| GB2182948A (en) | Automatic transmission fluid composition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |