CN104388153B - A kind of long-life Lubricating Oil for Gas Automobile Engine - Google Patents
A kind of long-life Lubricating Oil for Gas Automobile Engine Download PDFInfo
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- CN104388153B CN104388153B CN201410322579.3A CN201410322579A CN104388153B CN 104388153 B CN104388153 B CN 104388153B CN 201410322579 A CN201410322579 A CN 201410322579A CN 104388153 B CN104388153 B CN 104388153B
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- lubricating oil
- automobile engine
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 239000002270 dispersing agent Substances 0.000 claims abstract description 11
- 239000002199 base oil Substances 0.000 claims abstract description 10
- 239000003112 inhibitor Substances 0.000 claims abstract description 10
- 230000003647 oxidation Effects 0.000 claims abstract description 8
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 8
- 238000005260 corrosion Methods 0.000 claims abstract description 7
- 230000007797 corrosion Effects 0.000 claims abstract description 7
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 6
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 claims abstract description 4
- -1 dithio amino formate Chemical compound 0.000 claims description 7
- 229920000728 polyester Polymers 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 claims description 5
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 5
- 239000012990 dithiocarbamate Substances 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 claims description 4
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 229940014800 succinic anhydride Drugs 0.000 claims description 4
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 claims description 3
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 229920005551 calcium lignosulfonate Polymers 0.000 claims description 3
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 238000001704 evaporation Methods 0.000 abstract description 9
- 230000008020 evaporation Effects 0.000 abstract description 9
- 229920001732 Lignosulfonate Polymers 0.000 abstract description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000005461 lubrication Methods 0.000 abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 4
- 239000011574 phosphorus Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 24
- 239000003921 oil Substances 0.000 description 17
- 239000010705 motor oil Substances 0.000 description 12
- 229920001577 copolymer Polymers 0.000 description 11
- 239000010721 machine oil Substances 0.000 description 11
- 239000000654 additive Substances 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 6
- 239000003915 liquefied petroleum gas Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000003078 antioxidant effect Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 229920013639 polyalphaolefin Polymers 0.000 description 3
- 239000004711 α-olefin Substances 0.000 description 3
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 2
- BYLSIPUARIZAHZ-UHFFFAOYSA-N 2,4,6-tris(1-phenylethyl)phenol Chemical compound C=1C(C(C)C=2C=CC=CC=2)=C(O)C(C(C)C=2C=CC=CC=2)=CC=1C(C)C1=CC=CC=C1 BYLSIPUARIZAHZ-UHFFFAOYSA-N 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000001273 butane Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- BZJTUOGZUKFLQT-UHFFFAOYSA-N 1,3,5,7-tetramethylcyclooctane Chemical group CC1CC(C)CC(C)CC(C)C1 BZJTUOGZUKFLQT-UHFFFAOYSA-N 0.000 description 1
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- GQEZCXVZFLOKMC-UHFFFAOYSA-N n-alpha-hexadecene Natural products CCCCCCCCCCCCCCC=C GQEZCXVZFLOKMC-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical group CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 101150104688 run gene Proteins 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 229960001124 trientine Drugs 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
- 238000006886 vinylation reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Lubricants (AREA)
Abstract
The present invention relates to a kind of long-life Lubricating Oil for Gas Automobile Engine, its weight percent composition is: 85 95% new construction synthetic base oils；1 5% new type high temperature ashless dispersant；0.1 2% oil-soluble lignosulfonates detersive；0.3 5% high temperature ashless oxidation inhibitor；The 0.3 5% wear-resistant corrosion inhibitor of high temperature antioxygen；0 0.5% pour-point depressant and 5 50ppm (additional) anti-foaming agent.The invention has the beneficial effects as follows: compared with traditional Lubricating Oil for Gas Automobile Engine product, the Lubricating Oil for Gas Automobile Engine of the present invention has the advantages such as balance good, shear stability is good, length in service life, evaporation loss formula little, without phosphorus, the safety and environmental protection of formula, can meet the lubrication of high power gas electromotor.
Description
Technical field
The present invention relates to lubricating oil field, in particular it relates to a kind of long-life Lubricating Oil for Gas Automobile Engine.
Background technology
Along with developing rapidly of automobile industry, China's automobile pollution dramatically increases, and automobile energy consumption and environmental issue cause
The whole society pays high attention to.Automobile fuel gas electromotor is owing to having energy-conservation, low emission, and range of application is more and more wider.Combustion gas
Electromotor is also gas engine, is with LPG(liquefied petroleum gas), CNG(compressed natural gas) common name of electromotor as fuel.
Liquefied petroleum gas (LPG) by the mixture of propane and butane for mainly comprising；Compressed natural gas (CNG), based on methane, contains
A small amount of ethane, propane, butane etc..
Because gas engine combustion medium is LPG, CNG, LNG etc., therefore gas engine has combustion chamber high temperature, tail
Amount of nitrogen oxides high in gas: the calorific value that fuel gas buring produces is big, makes chamber temperature raise, relatively different sources of the gas,
The combustion chamber for gas combustion engine temperature of different capacity than Diesel engine high tens to several Baidu；Although LPG, CNG are clear
Clean fuel, but due to combustion chamber high temperature, cause nitrogen oxide in tail gas content to raise, and when using normal engine oil, meeting
Cause following problem:
1, make to send out a machine oil nitrification, shorten machine oil service life；
2, a large amount of greasy filth is produced, plugging machine oil rectifier, sufficient lubrication can not be obtained during electromotor work, shorten electromotor
Service life；
3, normal engine oil ash is high, is easily caused spark plug fouling, causes advanced ignition, and engine power performance declines；
4, greasy filth increases with carbon distribution, causes cylinder and piston ring abrasive wear, reduction of service life；
5, temperature is high, easily causes engine corrosion abrasion.
Therefore, when gas car engine uses normal engine oil, it is impossible to meet the high-temperature oxidation resistant of gas engine
Performance and high temperature detergent-dispersant performance energy requirement, ultimately result in lubricant life shortening, paint film and greasy filth and increase, increase electromotor and support
Protect cost, and shorten the service life of engine oil and electromotor.
Further, since commercially available gas engine oil is the base oil and additive component composition that various molecular weights is different,
These basis oil flash are relatively low, and under the conditions of the very high temperature of gas engine uses, evaporation loss is fast, causes oil consumption
Greatly, machine oil must regular be added during use to keep good lubrication.Simultaneously as its anti-oxidative stability is bad, lead
Causing machine oil rotten fast, the oil draining period is short.Owing to evaporation loss is big, the machine oil drain period is short, causes oil consumption big, the most unfavorable
In resources conservation.The machine oil of evaporation loss evaporate in air or is lost in environment simultaneously, adds due to oil draining period short meeting
Producing a large amount of used oil etc., these are all unfavorable for environmental conservation.
Summary of the invention
Present invention aim to overcome that the deficiencies in the prior art, it is provided that a kind of service life length and high-temperature oxidation resistant, anti-
Nitrification, abrasion resistance are outstanding, the long-life Lubricating Oil for Gas Automobile Engine that formulation stability is high.
The long-life Lubricating Oil for Gas Automobile Engine of the present invention is by methacrylate and-olefin copolymer base oil
And there is synergistic additive component composition with it, comprise 85-95% methacrylate and-olefin copolymer, 1-5%
New type high temperature ashless dispersant, 0.1-2% oil-soluble base number calcium lignosulfonate (molecular weight is more than 10000g/mol) are peace and quiet
Agent, 0.3-5% high temperature ashless oxidation inhibitor, the wear-resistant corrosion inhibitor of 0.3-5% high temperature antioxygen, 0-0.5% pour-point depressant, 5-50ppm anti-foaming agent
(additional).
Further, described alpha-olefin and methacrylate copolymer, its molecular weight is: 300-25000,100 DEG C
Kinematic viscosity is: 5-1500mm2/ s, molecular structural formula is as follows:
In formula: R=C1-C2Alkyl, R1= C3-C20Alkyl, R2= C5-C20Alkyl；n=1-50.
Further, described new construction multiamide polyester derivatives high temperature dispersant, by satisfied fatty acid, double Ji Wusi
Alcohol, succinic anhydride and organic amine reaction prepare, and its molecular structure is as follows:
In formula: R1, R2, R3, R4=C1-C20Side chain or branched alkyl；X, Y=(NHCH2CH2) nNH2(n=1-4) and
(or) (NHCH2CH2CH2) mNH2(m=1-4).
Further, described ashless high-temperature antioxidant is 4,4-(,-dimethyl benzyl) diphenylamines, styrol
Diphenylamines, styrenated phenol one or more.
Further, described described high temperature antioxygen, wear-resistant corrosion inhibitor be: zinc dialkyl dithiocarbamate or
Dialkyl dithio amino formate and their mixture.In structure such as following formula 1 and formula 2(formula, R1, R2=C4-C20Direct-connected
Or branched alkyl:
Formula 1 zinc dialkyl dithiocarbamate molecular structure
The molecular structure of formula 2 dialkyl dithio amino formate
Further, described pour-point depressant is commercially available prod, such as: Infineum SV385.
Further, described described anti-foaming agent is commercially available silicon type or non-silicon type antifoamer.As: T901 etc..
The preparation method of product of the present invention is: first add in blending kettle by base oil and the additive in addition to anti-foaming agent,
Agitating heating is warmed up to 70 ± 5 DEG C, is subsequently adding anti-foaming agent, constant temperature stirring 30min, obtains product after filtration.Following each embodiment
Preparation method consistent, simply raw material type and (or) dosage are different.
The present invention is had the beneficial effect that
1, formula composition simplifies, and product quality is easily controllable, balance and good stability
The long-life Lubricating Oil for Gas Automobile Engine of the present invention uses alpha-olefin-methacrylate copolymer base first
Plinth oil, for relatively conventional poly alpha olefin (PAO), introduces methacrylic acid ester group in the molecular structure, imparts this
The preferable polarity of base oil, is conducive to and the mixing of other additive, and solving conventional formulation needs multicomponent to solve
With the consistency problem of additive, do not have the minor variations of mill run gene basis oil formula and the additive that causes in storage
The phenomenon separated out during depositing and using.Simultaneously as the viscosity of alpha-olefin-methacrylate copolymer is relatively big relative to PAO,
Cryogenic property is good, in formula, in addition to base oil component except being used is less, but also need not to use thickening agent and (or)
Pour-point depressant.Which reduce the composition of formula, make the balance of formula and stability surmount common synthesis type lubricant formula, produce
The production process of product is also easily controlled with quality.
2, high temperature detergent-dispersant performance can be outstanding
The long-life Lubricating Oil for Gas Automobile Engine of the present invention uses oil-soluble base number lignosulfonates detersive
And multiamide polyester derivatives new type high temperature ashless dispersant.Compared with common detersive and dispersant, the product of the present invention
Under gas engine hot operation environment, there is more preferable detergent-dispersant performance energy, a small amount of deposit and the carbon distribution of formation can be made
Detach rapidly engine friction surface, and be dispersed in oil, reduce greasy filth and carbon distribution produces, reduce electromotor because of deposition
Thing and the abrasive wear that produces and the blocking of machine filter, extend machine oil oil draining period and service life of aeroengine.
3, evaporation loss is little, and shear stability is high
The alpha-olefin used by long-life Lubricating Oil for Gas Automobile Engine base oil of the present invention is with methacrylate altogether
Copolymer base oil, for the compound that molecular weight distribution is narrower.Flash-point is high, and evaporation loss is little, can reduce consumption of lubricating oil.Meanwhile, by
Bigger with methyl acrylate copolymer basis oil viscosity in alpha-olefin, it is not necessary to add macromole viscosifier to reach suitable
Viscosity.Therefore the Lubricating Oil for Gas Automobile Engine of the present invention has outstanding shear stability, it is possible to resolve engine oil is in big merit
The problem of lubricating oil viscosity dramatic decrease under rate electromotor shearing force, it is to avoid because of engine oil pressure deficiency produce send out a warning and
The phenomenon such as be short of power, and keeps engine continuous strong impetus.
4, by force, machine oil is long for service life for antioxygen, anti-nitrification ability
The long-life Lubricating Oil for Gas Automobile Engine of the present invention uses 4,4-(,-dimethyl benzyl) diphenylamines, benzene
Vinylation diphenylamines, styrenated phenol are ashless high-temperature antioxidant, and the extreme pressure used, wear-resistant, corrosion inhibitor for and amine type, phenol
Type antioxidant has splendid synergistic dialkyl dithio amino formate and zinc dialkyl dithiocarbamate so that this
The fuel gas automobile engine oil of invention has superpower antioxidation and anti-Nitrification, can meet high power gas engine lubrication
Require and there is especially long service life, its service life be 3 times of general gas automobile engine oil or more than, ratio is commercially available
The synthesis type fuel gas automobile engine oil oil draining period extends more than 10000km, substantially prolongs the oil draining period of engine oil.
5, without phosphorus formula, economizes on resources, safe and environment-friendly
The long-life Lubricating Oil for Gas Automobile Engine of the present invention, owing to having the spies such as little, the length in service life of evaporation loss
Point so that the consumption of machine oil substantially reduces, beneficially resources conservation.Simultaneously as the engine oil of the present invention has especially
The long oil draining period so that the discharge capacity of machine oil greatly reduces, and can slow down waste oil disposal pressure, adds this patent product and is used
Raw material be without phosphorus product so that the product of the present invention not phosphorus element-containing, the catalyst of vehicle exhaust reforming unit can be prevented
Poisoning, the therefore product safety of the present invention, environmental protection.
Detailed description of the invention
Hereinafter the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
The composition of embodiment and content and performance are as shown in table 1, table 2.
The composition of table 1 embodiment and content
Illustrate:
1. copolymer 1 is methyl methacrylate and 1-amylene, the copolymer of 1-octene, and 100 DEG C of kinematic viscositys are
5.7mm2/s；Copolymer 2 is ethyl methacrylate and 1-decene, 1-hexadecene copolymer, and 100 DEG C of kinematic viscositys are
14.3mm2/s；Copolymer 3 is methyl methacrylate and 1-octene, 1-octadecylene copolymer, and 100 DEG C of kinematic viscositys are
581.5mm2/s。
2. multiamide polyester derivatives A is 1mol Bis(pentaerythritol) and 2mol succinic anhydride, 2mol isooctyl acid, 2mol last of the ten Heavenly stems
Acid, 1mol triethylene tetramine, the product of 1mol tetrapropylene triamine；Multiamide polyester derivatives B is 1mol Bis(pentaerythritol)
With 2mol succinic anhydride, 2mol acetic acid, 2mol stearic acid, 1mol diethylenetriamine, the product of 1mol TEPA.
3. the molecular weight of lignosulfonates 1 is 11700；The molecular weight of lignosulfonates 2 is 23500.
The performance of each embodiment of table 2 and the performance comparison with commercially available prod
From the results shown in Table 2, the product of the present invention, compared with commercially available prod, has a following significantly performance:
1, evaporation loss is little.Its Noack evaporation loss is only to two/5ths points of commercially available same viscosity grade product
One of；
2, shear stability is high.After high temperature high shear test, viscosity B coefficent is the least, and the viscosity number after shearing is about commercially available product
2 times of product；
3, oxidation resistance is extremely strong.The score value of internal combustion engine oxidation is minimum, about 1/10th of commercially available prod；
4, high temperature detergent-dispersant performance can highlight.After 330 DEG C of crankcase tests, the product grading of the present invention is much smaller than commercially available
Product, shows that the cleansing performance of invention product is outstanding, to the ten/3rds of the burnt amount only commercially available prod concurrently formed/
One, show that the product of the present invention has extremely strong high temperature greasy filth dispersive property；
5, service life is long.The product of invention can be exercised 40000km and be changed oil, and the oil drain interval of commercially available prod is
15000km-30000km.The oil draining period 10000km more than longer than commercially available prod of invention product.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent.
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (4)
1. a long-life Lubricating Oil for Gas Automobile Engine, it is characterised in that comprise following component:
(1) methacrylate and-olefin copolymer base oil: 85-95%
(2) new construction multiamide polyester derivatives high temperature dispersant: 1-5%；
(3) oil-soluble high base number calcium lignosulfonate detersive: 0.1-2%, oil-soluble high base number calcium lignosulfonate detersive
Molecular weight is more than 10000g/mol；
(4) high temperature ashless oxidation inhibitor: 0.3-5%；
(5) high temperature antioxygen, wear-resistant, corrosion inhibitor: 0.3-5%；
(6) pour-point depressant: 0-0.5%；
(7) anti-foaming agent: 5-50ppm；
Described new construction multiamide polyester derivatives high temperature dispersant, by satisfied fatty acid, Bis(pentaerythritol), succinic anhydride and
Organic amine reaction prepares, and its molecular structure is as follows:
In formula: R1, R2, R3, R4=C1-C18Straight or branched alkyl；X, Y=(NHCH2CH2)nNH2, n=1-5,
(NHCH2CH2CH2)mNH2, m=1-5；
Described high temperature ashless oxidation inhibitor is 4,4-(,-dimethyl benzyl) diphenylamines, styrenated diphenylamine, styrol
One or more of phenol；
Described high temperature antioxygen, wear-resistant, corrosion inhibitor be: zinc dialkyl dithiocarbamate or dialkyl dithio amino first
Acid esters and their mixture；Structure such as following formula 1 and formula 2:
Formula 1 zinc dialkyl dithiocarbamate molecular structure
The molecular structure of formula 2 dialkyl dithio amino formate
In formula, R1, R2=C4-C20Straight or branched alkyl.
A kind of long-life Lubricating Oil for Gas Automobile Engine the most according to claim 1, it is characterised in that described methyl
Acrylate and-olefin copolymer base oil, its molecular weight is: 300-25000, and 100 DEG C of kinematic viscositys are: 5-1000mm2/
S, molecular structural formula is as follows:
In formula: R=C1-C2Alkyl, R1=C3-C20Alkyl, R2=C5-C20Alkyl；N=1-50.
A kind of long-life Lubricating Oil for Gas Automobile Engine the most according to claim 1, it is characterised in that described pour point depression
Agent is Infineum SV385.
A kind of long-life Lubricating Oil for Gas Automobile Engine the most according to claim 1, it is characterised in that described anti-bubble
Agent is silicon type or non-silicon type antifoamer.
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| CN105296068B (en) * | 2015-11-13 | 2021-02-05 | 宣城市聚源精细化工有限公司 | Lubricating oil dispersant |
| CN105481741A (en) * | 2015-12-28 | 2016-04-13 | 山东源根石油化工有限公司 | Hindered-phenol-containing phenylenediaminothioformate, antioxidant containing compound and application thereof in gas engine lubricating oil |
| CN106635316A (en) * | 2016-11-04 | 2017-05-10 | 苏州圣鑫莱新材料有限公司 | Vehicle lubricating oil and preparation method thereof |
| CN108531248A (en) * | 2018-06-05 | 2018-09-14 | 朱东洋 | A kind of wear-resisting anti-hardening preparation of greases method |
| CN108865363A (en) * | 2018-07-26 | 2018-11-23 | 中国石油化工股份有限公司 | Lubricant oil composite is used for the purposes of pure gas engine lubrication |
| CN110982591A (en) * | 2019-11-29 | 2020-04-10 | 西京学院 | Durable high-wear-resistance automobile diesel engine lubricating oil |
| CN113637519A (en) * | 2021-08-12 | 2021-11-12 | 山东北方淄特特种油股份有限公司 | Marine medium-speed cylindrical piston diesel engine lubricating oil |
| CN116355674A (en) * | 2023-03-22 | 2023-06-30 | 上海奇克氟硅材料有限公司 | Turbine oil antioxidant with low oil sludge yield and preparation method and application thereof |
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| CN102994193A (en) * | 2011-09-14 | 2013-03-27 | 中国石油天然气股份有限公司 | Gas engine lubricating oil composition |
| CN103710084A (en) * | 2013-10-09 | 2014-04-09 | 中国石油化工股份有限公司 | CF-4 grade diesel engine oil composition and uses thereof |
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| CN102994193A (en) * | 2011-09-14 | 2013-03-27 | 中国石油天然气股份有限公司 | Gas engine lubricating oil composition |
| CN103710084A (en) * | 2013-10-09 | 2014-04-09 | 中国石油化工股份有限公司 | CF-4 grade diesel engine oil composition and uses thereof |
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Denomination of invention: Long life gas automobile engine lubricating oil Effective date of registration: 20220413 Granted publication date: 20161102 Pledgee: Agricultural Bank of China Limited Zibo Zhoucun sub branch Pledgor: SHANDONG NORTH ZITE SPECIAL OIL Co.,Ltd. Registration number: Y2022980004185 |
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Denomination of invention: A Long Life Gas Automotive Engine Lubricating Oil Granted publication date: 20161102 Pledgee: Zibo Zhoucun District sub branch of China Postal Savings Bank Co.,Ltd. Pledgor: SHANDONG NORTH ZITE SPECIAL OIL Co.,Ltd. Registration number: Y2024980000610 |
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