CN1415712A - Lubricating oil composition - Google Patents
Lubricating oil composition Download PDFInfo
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- CN1415712A CN1415712A CN 01134372 CN01134372A CN1415712A CN 1415712 A CN1415712 A CN 1415712A CN 01134372 CN01134372 CN 01134372 CN 01134372 A CN01134372 A CN 01134372A CN 1415712 A CN1415712 A CN 1415712A
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- lubricating oil
- oil composition
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- naphthenate
- mixture
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- 239000000203 mixture Substances 0.000 title claims abstract description 80
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 60
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 22
- OFUAIAKLWWIPTC-UHFFFAOYSA-L magnesium;naphthalene-2-carboxylate Chemical compound [Mg+2].C1=CC=CC2=CC(C(=O)[O-])=CC=C21.C1=CC=CC2=CC(C(=O)[O-])=CC=C21 OFUAIAKLWWIPTC-UHFFFAOYSA-L 0.000 claims abstract description 22
- 239000003599 detergent Substances 0.000 claims abstract description 20
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011701 zinc Substances 0.000 claims abstract description 16
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 16
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 15
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002199 base oil Substances 0.000 claims abstract description 12
- 230000007935 neutral effect Effects 0.000 claims abstract description 11
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 10
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 7
- 229960002317 succinimide Drugs 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 230000003647 oxidation Effects 0.000 claims description 18
- 238000007254 oxidation reaction Methods 0.000 claims description 18
- 239000003112 inhibitor Substances 0.000 claims description 14
- 239000003513 alkali Substances 0.000 claims description 12
- 239000003921 oil Substances 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- 239000002585 base Substances 0.000 claims description 9
- 229920001577 copolymer Polymers 0.000 claims description 9
- -1 secondary alcohol alkyl zinc dithiophosphates Chemical class 0.000 claims description 9
- 239000002270 dispersing agent Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 125000005609 naphthenate group Chemical group 0.000 claims description 6
- 229920000193 polymethacrylate Polymers 0.000 claims description 6
- NKFIBMOQAPEKNZ-UHFFFAOYSA-N 5-amino-1h-indole-2-carboxylic acid Chemical compound NC1=CC=C2NC(C(O)=O)=CC2=C1 NKFIBMOQAPEKNZ-UHFFFAOYSA-N 0.000 claims description 5
- 229920013639 polyalphaolefin Polymers 0.000 claims description 4
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 claims description 3
- HNNQYHFROJDYHQ-UHFFFAOYSA-N 3-(4-ethylcyclohexyl)propanoic acid 3-(3-ethylcyclopentyl)propanoic acid Chemical compound CCC1CCC(CCC(O)=O)C1.CCC1CCC(CCC(O)=O)CC1 HNNQYHFROJDYHQ-UHFFFAOYSA-N 0.000 claims description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 2
- 241001597008 Nomeidae Species 0.000 claims description 2
- CLKAQWSCGDNHHJ-UHFFFAOYSA-N OP(O)(S)=S.CCCCCCCC[Zn]CCCCCCCC Chemical compound OP(O)(S)=S.CCCCCCCC[Zn]CCCCCCCC CLKAQWSCGDNHHJ-UHFFFAOYSA-N 0.000 claims description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 2
- 125000003342 alkenyl group Chemical group 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004327 boric acid Substances 0.000 claims description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims description 2
- 159000000007 calcium salts Chemical class 0.000 claims description 2
- NAGJZTKCGNOGPW-UHFFFAOYSA-N dithiophosphoric acid Chemical compound OP(O)(S)=S NAGJZTKCGNOGPW-UHFFFAOYSA-N 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 239000010688 mineral lubricating oil Substances 0.000 claims description 2
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- WMYJOZQKDZZHAC-UHFFFAOYSA-H trizinc;dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S WMYJOZQKDZZHAC-UHFFFAOYSA-H 0.000 claims description 2
- 239000010705 motor oil Substances 0.000 abstract description 15
- 239000008186 active pharmaceutical agent Substances 0.000 abstract description 4
- 239000011575 calcium Substances 0.000 abstract description 4
- 229910052791 calcium Inorganic materials 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 239000010711 gasoline engine oil Substances 0.000 description 15
- 239000010710 diesel engine oil Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 230000001939 inductive effect Effects 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- SRTXXUBDPVIROV-UHFFFAOYSA-N S=C1C(C=CC=C1)[O-].[Ca+2].S=C1C(C=CC=C1)[O-] Chemical compound S=C1C(C=CC=C1)[O-].[Ca+2].S=C1C(C=CC=C1)[O-] SRTXXUBDPVIROV-UHFFFAOYSA-N 0.000 description 4
- 238000004939 coking Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 229960004025 sodium salicylate Drugs 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 3
- 239000013538 functional additive Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910000071 diazene Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000003915 liquefied petroleum gas Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 231100000241 scar Toxicity 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UUNBFTCKFYBASS-UHFFFAOYSA-N C(CCCCCCC)C=1C(=C(C=CC1)NC1=CC=CC=C1)CCCCCCCC Chemical compound C(CCCCCCC)C=1C(=C(C=CC1)NC1=CC=CC=C1)CCCCCCCC UUNBFTCKFYBASS-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- RYSNDQDGZQEOAL-UHFFFAOYSA-N calcium;phenol Chemical compound [Ca].OC1=CC=CC=C1 RYSNDQDGZQEOAL-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920005653 propylene-ethylene copolymer Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
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- Lubricants (AREA)
Abstract
The invention provides a general internal combustion engine lubricating oil composition which can meet the specification requirements of GB 11121 and API SF/CD general internal combustion engine oil. The composition consists of neutral base oil , magnesium naphthenate detergent (B), sulfurized calcium alkyl phenate (C), polyisobutylene succinimide (D), zinc dialkyl dithiophosphate (E), auxiliary antioxidant (F), viscosity index improver (G), pour point depressant (H) and anti-foaming agent (H).
Description
Technical field
The present invention relates to a kind of engine oil composition, particularly a kind of general-purpose engine lubricating oil composition that is used for petrol engine or diesel motor or gas engine.
Background technology
Gasoline engine oil, diesel engine oil are that a class is used lubricating oil very widely, according to the requirement of different size, have corresponding antioxidant property, corrosion resistance, wear resistance, stainless property, acid neutralization capacity and high temperature detergency.About the report of gasoline engine oil and diesel engine oil composition and patent are existing a lot, but all do not relate to the composition of relevant magnesium naphthenate.
The 14th the 2nd phase of volume of " lubricating oil " magazine has been reported a kind of SE level gasoline engine oil prescription, it is characterized in that having adopted calcium naphthenate and another kind of metal detergent, Ashless butyl diimide dispersant, zinc dialkyl dithiophosphate and auxiliary antioxidant, but do not indicate the kind of auxiliary antioxidant.
The 31st the 10th phase of volume of " refining of petroleum and chemical industry " magazine has been reported a kind of SF/CC general-purpose engine oil formula, it is characterized in that having adopted sulfonate detergent, alkyl monosulfide phenates purification agent, Ashless butyl diimide dispersant, zinc dialkyl dithiophosphate and auxiliary antioxidant, also do not indicate the kind of auxiliary antioxidant.
Chinese patent CN 1138621A and CN 1138624A disclose a kind of lubricating oil and compositions of additives, belong to SC, SD gasoline engine oil and SC/CC, SD/CC general-purpose engine oil formula, functional additive component wherein is alkyl sodium salicylate, two succimide dispersion agent, zinc dialkyl dithiophosphate.
Chinese patent CN1138622A and CN1138623A disclose a kind of lubricating oil and compositions of additives, belong to SF level gasoline engine oil prescription, functional additive component wherein is alkyl sodium salicylate or magnesium alkylsalicylate, calcium sulphonate or sulfonic acid magnesium, calcium sulfenyl phenolate, succimide dispersion agent, zinc dialkyl dithiophosphate and dioctyl diphenylamine.
The 16th the 1st phase of volume of " lubricating oil " magazine has been reported a kind of SD level gasoline engine oil prescription, and functional additive component wherein is calcium sulphonate, calcium sulfenyl phenolate, succimide, zinc dialkyl dithiophosphate.
The 7th the 2nd phase of volume of " Xinjiang petroleum science and technology " magazine has been reported a kind of ERB, ERC two-stroke gasoline engine oil prescription, it is characterized in that having adopted low alkali value magnesium naphthenate, ashless dispersant and ashless oxidation inhibitor, this lubricating oil composition is the two-stroke gasoline engine special lube, can not satisfy the specification requirement of gasoline engine oil, diesel engine oil or gas engine oil.
Summary of the invention
The objective of the invention is to adopt with above-mentioned different component a kind of engine oil composition is provided, this lubricating oil composition can satisfy GB 11121 and the specification requirement of API SF/CD general service oil, by adjusting the consumption of each component in the lubricating oil composition, satisfy the requirement of other gasoline engine oil of the following level of modulation SF/CD, diesel engine oil, gas engine oil or general service oil.
General-purpose engine lubricating oil composition provided by the invention is made of following component:
(A), neutral base oil;
(B), high alkalinity naphthenate metal detergent;
(C), low alkali value magnesium naphthenate metal detergent;
(D), alkyl monosulfide phenates metal detergent;
(E), polyisobutene succinimide ashless dispersant;
(F), zinc dialkyl dithiophosphate oxidation inhibitor;
(G), auxiliary antioxidant;
(H), viscosity index improver;
(I), pour point depressant and kilfoam.
The said lubricating oil composition of the present invention, each component proportion scale is: in 100 parts of lubricating oil compositions, 75～98 parts of neutral base oils, 0.1～5 part of high alkalinity naphthenate metal detergent, 0.1～3 part of low alkali value magnesium naphthenate metal detergent, 0.1～3 part of alkyl monosulfide phenates metal detergent, 1～7 part of polyisobutene succinimide ashless dispersant, 0.5～2 part in zinc dialkyl dithiophosphate oxidation inhibitor, 0.01～1 part of auxiliary antioxidant, 0～15 part of viscosity index improver, 0.01～1 part of pour point depressant, 0.0003～0.01 part of kilfoam.
The said high alkalinity naphthenate of the present invention is above magnesium naphthenate or a calcium naphthenate of base number 100mgKOH/g, or its mixture.
The said low alkali value magnesium naphthenate of the present invention is the low basicity magnesium naphthenate of base number 20～150mgKOH/g, and its basicity is 90～150%.
The said alkyl monosulfide phenates of the present invention is the above calcium salt of base number 40mgKOH/g.
The said polyisobutene succinimide dispersion agent of the present invention is mono butonediimide or two succimide or high molecular succimide, or its mixture.
The said zinc dialkyl dithiophosphate of the present invention is fourth octyl group zinc dithiophosphate or dioctyl zinc dithiophosphate or two secondary alcohol alkyl zinc dithiophosphates, or its mixture.
The said auxiliary antioxidant of the present invention is organic carboxyl acid copper oxidation inhibitor or organic amine oxidation inhibitor or thiadiazole derivant metal passivator, or its mixture.
The said organic carboxyl acid copper of the present invention oxidation inhibitor is the mantoquita or the cuprous salt of alkenyl succinic acid, naphthenic acid, dialkyl dithiophosphoric acid, carboxylamine, alkyl monosulfide boric acid, or its mixture.
The said viscosity index improver of the present invention is ethylene propylene copolymer, isoprene styrene copolymer, polymethacrylate, polyisobutene, or has dispersed ethylene propylene copolymer, polymethacrylate concurrently, or its mixture.
The said neutral base oil of the present invention is mineral lubricating oils, poly-alpha olefins ucon oil, esters syntholube or its mixture.
In gasoline engine oil or diesel engine oil or gas engine oil compositions, metal detergent commonly used generally has calcium sulphonate or sulfonic acid magnesium, alkyl sodium salicylate or magnesium alkylsalicylate, calcium sulfenyl phenolate, calcium naphthenate etc., the alkalescence magnesium naphthenate is a class novel metal detergent additive of Dushanzi petro-chemical corporation of CNPC exploitation, have ash content little, generate the soft characteristics of carbon distribution, have good antioxidant property, stainless property and cleansing performance.In internal combustion (IC) engine oil composition, it is compound generally to adopt two or more metal detergents to carry out, and utilizes the capability and performance of the synergy raising I. C. engine oil between them.It is compound that the present invention has adopted low alkali value magnesium naphthenate, middle high base number magnesium naphthenate and three kinds of metal detergents of overbased sulfurized alkylphenols as active phenol calcium to carry out, and with oxidation inhibitor good synergy arranged, and shows good high-temperature antioxidant property and cleansing performance.
In gasoline engine oil or diesel engine oil or gas engine oil compositions, it is very important selecting suitable oxidation inhibitor, and generally the oxidation inhibitor of Shi Yonging is zinc dialkyl dithiophosphate.Use zinc dialkyl dithiophosphate to be difficult to satisfy the requirement of superior performance I. C. engine oil separately, the present invention has adopted auxiliary antioxidant and the compound use of zinc dialkyl dithiophosphate, improves the antioxidant property of lubricating oil composition.
In gasoline engine oil or diesel engine oil or gas engine oil compositions, viscosity index improver commonly used is ethylene propylene copolymer, isoprene styrene copolymer, polymethacrylate, polyisobutene, or has dispersed ethylene propylene copolymer, polymethacrylate concurrently.Difference according to prepared lubricating oil composition viscosity grade, the usage quantity of viscosity index improver is very different, for preparation simple engine lubricating oil, can not use viscosity index improver, for preparation multi-stage engine lubricating oil, the usage quantity of viscosity index improver is generally 5～15%.
The present invention has adopted the polyisobutene succinimide ashless dispersant that generally uses in gasoline engine oil and diesel engine oil composition.
Pour point depressant can use poly-alpha olefins or alkylnaphthalene or other analogous products, and kilfoam can use methyl-silicone oil or other analogous products.
Judge that can lubricating oil composition satisfy the specification requirement of GB 11121 and API SF/CD, the bench testing that need pass through comprises: SH/T 0512 test, i.e. MS program IID corrosion test; SH/T 0513 test, i.e. MS program IIID high temperature oxidation, wearing test; SH/T 0514 test, i.e. MS program VD LTD test; SH/T 0265 test, i.e. L-38 bearing insert corrosion test; GB/T 9933 test, i.e. 1G2 high temperature detergency and wear tests.Gas engine oil does not have unified standard, except that needs satisfy corresponding gasoline engine oil or diesel engine oil specification requirement, also will carry out road test.The present invention has adopted oxide thin layer test TFOUT Simulation with I IID high-temperature oxidation test, and with the antioxidant property of oxidation induction period sign lubricating oil composition, the oxidation induction period time is long more, and the antioxidant property of lubricating oil composition is good more.The present invention has adopted the wearing and tearing of low speed four-ball wear test Simulation with I IID, VD, and with the wear resistance of wear scar diameter sign lubricating oil composition, wear scar diameter is more little, and the wear resistance of lubricating oil composition is good more.
Advantage of the present invention is, the lubricating oil composition that is provided has adopted the magnesium naphthenate of two kinds of different base numbers to carry out compound and has adopted auxiliary antioxidant, good antioxidant property, corrosion resistance, wear resistance, stainless property, acid neutralization capacity and high temperature detergent performance can be provided, can satisfy GB 11121 and the specification requirement of API SF/CD general service oil, by adjusting the consumption of each component in the lubricating oil composition, can satisfy the requirement of other gasoline engine oil of the following level of SF/CD, diesel engine oil, gas engine oil or general service oil.
Concrete enforcement
The following examples will be made further supplementary notes to the present invention.
Embodiment 1
Lubricating oil composition I comprises:
10g low alkali value magnesium naphthenate T111A
Base number magnesium naphthenate T111B among the 12g
The 6g calcium sulfenyl phenolate
35g succimide dispersion agent
The 13g zinc dialkyl dithiophosphate
3g organic carboxyl acid copper T542
The decentralized propylene ethylene copolymers viscosity index improver of 90g
The 5g poly-alpha-olefin pour depressant
1.25ml kilfoam (1% kerosene thinner)
875g HVI150 neutral base oil
30g HVI90BS neutral base oil
The character of HVI150 neutral base oil, HVI90BS neutral base oil is listed in table 1.
Table 1 base oil character
Project HVI150 HVI90BS100 ℃ kinematic viscosity, mm
25.18 19.2340 ℃ of kinematic viscosity of/s, mm
2/ s 29.62 238.2 viscosity indexs 104 94 low-temperature dynamic viscosity (20 ℃), mPas 2100-flash-point (opening), ℃ 218 256 pour points, ℃-11-8 acid numbers, mgKOH/g 0.01 0.04 sulphur content, % 0.024 0.033 nitrogen content, μ g/g 0.7 160
Be 173min oxide thin layer inductive phase of lubricating oil composition I, the burnt heavy 141mg of coking plate test, low speed four ball wear 0.52mm.
Embodiment 2
Lubricating oil composition II compares with lubricating oil composition I, has replaced organic carboxyl acid copper auxiliary antioxidant T542 with thiadiazole auxiliary antioxidant T561.
Be 181min oxide thin layer inductive phase of lubricating oil composition II, low speed four ball wear 0.57mm, the weightless 32.3mg of L-38 bearing shell.
Embodiment 3
Lubricating oil composition III compares with lubricating oil composition I, has removed the low alkali value magnesium naphthenate.
Be 113min oxide thin layer inductive phase of lubricating oil composition III, the burnt heavy 145mg of coking plate test.
Embodiment 4
Lubricating oil composition IV compares with lubricating oil composition I, has replaced the low alkali value magnesium naphthenate with alkyl sodium salicylate T109.
Be 144min oxide thin layer inductive phase of lubricating oil composition IV, the burnt heavy 121mg of coking plate test.
Embodiment 5
Lubricating oil composition V compares with lubricating oil composition I, has replaced the low alkali value magnesium naphthenate with calcium naphthenate T113.
Be 130min oxide thin layer inductive phase of lubricating oil composition V, the burnt heavy 186mg of coking plate test.
Embodiment 6
Lubricating oil composition VI is identical with the component of lubricating oil composition I, and the ratio of each component is adjusted, the viscosity grade SAE10W30 of lubricating oil composition VI, quality scale SF/CD, 100 ℃ of kinematic viscosity 10.53mm
2/ s ,-20 ℃ of low-temperature dynamic viscosity 3320mPas, 150 ℃ 10
6s
-1High-temperature high shear viscosity 2.95mPas, 217 ℃ of flash-points (opening), pour point-33 ℃.The assessment of performance of lubricating oil composition VI the results are shown in table 2.
Table 2 lubricating oil composition assessment of performance result
Project quality index measured value bearing insert corrosion test (L-38) bearing shell weightlessness, 100 ℃ of kinematic viscosity of mg 40max 25.5 shear stabilities (L-38), mm
2/ s is in this grade oil viscosity scope 10.00
Within the program IID engine test engine corrosion average score 8.5min 8.79 tappets bondings no program IIID engine test of number (64h) viscosity increase (40 ℃); % 375max 42.32 engine average score engine sludge 9.2min 9.69 piston skirt paint film 9.2min 9.48 oil ring platform deposit 4.8min 6.39 ring bondings do not have no tappet bonding nothing is not had scratch and wearing and tearing (64h) cam or the tappet scratch no cam of nothing and tappet wearing and tearing; Mm mean value 0.102max 0.012 maximum 0.203max 0.017 program VD engine test engine sludge average score 9.4min 9.57 piston skirt paint film average score 6.7min 7.85 engine paint film average score 6.6min 8.4 filter net jams; % 7.5max 0 oil ring stops up; % 10.0max 0 compression ring bonding does not have 0 cam wear, mm mean value 0.025 0.0127 maximum, 0.064 0.0111 high temperature detergency and wear test (1135D2) total weighted scoring 300max 264.5 first annular grooves fill the carbon rate, % 80max 61.0
Embodiment 7
Lubricating oil composition VI has carried out use-testing winter in 2000 in Santana's taxi, motor spirit is liquefied petroleum gas (LPG) or gasoline, and amblent air temperature temperature-29 ~ 20 ℃ is travelled and changed oil in 30 days, travels 400 ~ 500 kilometers every day.Use-testing result shows, engine mainly rubs the wearing and tearing at position all in range of normal value, and oil body increases little, and use-testing the results are shown in table 3.
Table 3 lubricating oil composition use-testing result
100 ℃ of kinematic viscosity of instruction carriage 1 instruction carriage, 2 fresh oils, 10.47 10.47mm
2/ s40 ℃ of kinematic viscosity, 72.60 72.60mm
2/ s4000 kilometer Fe, μ g/g 24.1 21.0Cu, μ g/g 122.0 93.8Pb, μ g/g 120.8 90.6Al, μ g/g 61.3 33.2Cr, 1.48 2.27100 ℃ of kinematic viscosity of μ g/g, 10.05 10.62mm
2/ s40 ℃ of kinematic viscosity, 68.34 72.90mm
2/ s8000 kilometer Fe, μ g/g 37.4 69.6Cu, μ g/g 84.7 83.4Pb, μ g/g 85.5 37.1Al, μ g/g 34.6 65.2Cr, 1.26 2.13100 ℃ of kinematic viscosity of μ g/g, 10.44 10.65mm
2/ s40 ℃ of kinematic viscosity, 73.95 74.32mm
2/ s12000 kilometer Fe, μ g/g 37.6 69.4Cu, μ g/g 66.7 76.2Pb, μ g/g 68.4 80.8Al, μ g/g 67.4 42.4Cr, 0.92 3.55100 ℃ of kinematic viscosity of μ g/g, 10.50 11.10mm
2/ s40 ℃ of kinematic viscosity, 74.10 81.90mm
2/ s flash-point, ℃ 222 224
Claims (11)
1, a kind of general-purpose engine lubricating oil composition, it is characterized in that: described composition is made of following component.
(A), neutral base oil;
(B), high alkalinity naphthenate metal detergent;
(C), low alkali value magnesium naphthenate metal detergent;
(D), alkyl monosulfide phenates metal detergent;
(E), polyisobutene succinimide ashless dispersant;
(F), zinc dialkyl dithiophosphate oxidation inhibitor;
(G), auxiliary antioxidant;
(H), viscosity index improver;
(I), pour point depressant and kilfoam.
2, lubricating oil composition according to claim 1, it is characterized in that: each the component batching that constitutes lubricating oil composition has a specific ratio, in 100 parts of lubricating oil compositions, 75～98 parts of neutral base oils, 0.1～5 part of high alkalinity naphthenate metal detergent, 0.1～3 part of low alkali value magnesium naphthenate metal detergent, 0.1～3 part of alkyl monosulfide phenates metal detergent, 1～7 part of polyisobutene succinimide ashless dispersant, 0.5～2 part in zinc dialkyl dithiophosphate oxidation inhibitor, 0.01～1 part of auxiliary antioxidant, 0～15 part of viscosity index improver, 0.01～1 part of pour point depressant, 0.0003～0.01 part of kilfoam.
3, lubricating oil composition according to claim 1 and 2 is characterized in that: described high alkalinity naphthenate is above magnesium naphthenate or a calcium naphthenate of base number 100mgKOH/g, or its mixture.
4, lubricating oil composition according to claim 1 and 2 is characterized in that: described low alkali value magnesium naphthenate is the low basicity magnesium naphthenate of base number 20～150mgKOH/g, and its basicity is 90～150%.
5, lubricating oil composition according to claim 1 and 2 is characterized in that: described alkyl monosulfide phenates is the above calcium salt of base number 40mgKOH/g.
6, lubricating oil composition according to claim 1 and 2 is characterized in that: described succimide is mono butonediimide or two succimide or high molecular succimide, or its mixture.
7, lubricating oil composition according to claim 1 and 2 is characterized in that: described auxiliary antioxidant is organic carboxyl acid copper oxidation inhibitor or organic amine oxidation inhibitor or thiadiazole derivant metal passivator, or its mixture.
8, lubricating oil composition according to claim 1 and 2 is characterized in that: described zinc dialkyl dithiophosphate is fourth octyl group zinc dithiophosphate or dioctyl zinc dithiophosphate or two secondary alcohol alkyl zinc dithiophosphates, or its mixture.
9, lubricating oil composition according to claim 1 and 2, it is characterized in that: described viscosity index improver is ethylene propylene copolymer, isoprene styrene copolymer, polymethacrylate, polyisobutene, or have dispersed ethylene propylene copolymer, polymethacrylate concurrently, or its mixture.
10, lubricating oil composition according to claim 1 and 2 is characterized in that: described neutral base oil is mineral lubricating oils, poly-alpha olefins ucon oil, esters syntholube or its mixture.
11, lubricating oil composition according to claim 7 is characterized in that: described organic carboxyl acid copper oxidation inhibitor is the mantoquita or the cuprous salt of alkenyl succinic acid, naphthenic acid, dialkyl dithiophosphoric acid, carboxylamine, alkyl monosulfide boric acid, or its mixture.
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| CN101195786B (en) * | 2006-12-07 | 2011-06-22 | 中国石油天然气股份有限公司 | Gasoline engine oil composition |
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