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CN103351908A - Lubricant composition - Google Patents

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Publication number
CN103351908A
CN103351908A CN2013102855442A CN201310285544A CN103351908A CN 103351908 A CN103351908 A CN 103351908A CN 2013102855442 A CN2013102855442 A CN 2013102855442A CN 201310285544 A CN201310285544 A CN 201310285544A CN 103351908 A CN103351908 A CN 103351908A
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CN
China
Prior art keywords
marine diesel
cylinder composition
sanitising agent
lubricant cylinder
preferred
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Pending
Application number
CN2013102855442A
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Chinese (zh)
Inventor
L·尚巴尔
T·加纳
A·邓恩
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Infineum International Ltd
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Infineum International Ltd
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Publication of CN103351908A publication Critical patent/CN103351908A/en
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M163/00Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02Hydroxy compounds
    • C10M2207/023Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/028Overbased salts thereof
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/26Overbased carboxylic acid salts
    • C10M2207/262Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/24Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions having hydrocarbon substituents containing thirty or more carbon atoms, e.g. nitrogen derivatives of substituted succinic acid
    • C10M2215/28Amides; Imides
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/046Overbased sulfonic acid salts
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04Phosphate esters
    • C10M2223/045Metal containing thio derivatives
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00Metal present as such or in compounds
    • C10N2010/04Groups 2 or 12
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/04Detergent property or dispersant property
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/52Base number [TBN]
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/25Internal-combustion engines
    • C10N2040/252Diesel engines
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2060/00Chemical after-treatment of the constituents of the lubricating composition
    • C10N2060/14Chemical after-treatment of the constituents of the lubricating composition by boron or a compound containing boron

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

Abstract

A marine diesel cylinder lubricant composition having a total base number of at least 30. The composition includes at least 40 wt% of an oil of lubricating viscosity, at least one detergent prepared from at least two surfactants, preferably phenate and sulphonate surfactants, at least one boron-containing dispersant providing at least 100 ppm of boron, and at least one zinc-containing antiwear additive, preferably a zinc dihydrocarbyl dithiophosphate, providing at least 230 ppm, preferably at least 250 ppm, of zinc. The marine diesel cylinder lubricant composition exhibits reduced wear even when used with high sulphur fuels.

Description

Lubricant compositions
The application be that October 9, application number in 2004 are 200410103828.6 the applying date, denomination of invention divides an application for the application for a patent for invention of " lubricant compositions ".
The present invention relates to a kind of lubricant compositions, particularly marine diesel lubricant cylinder (MDCL) composition.Marine diesel lubricant cylinder composition is the total loss lubricant, and their purpose is that firm oil film is provided between steam jacket and piston ring, and the acid that neutralizes and formed by sulphur compound burning in the fuel.
The fuel that is used for diesel motor generally has high sulfur content (for example, at least 3.5% sulphur), and this can cause containing a large amount of sulfur oxide (SO in the waste gas from diesel motor X).Sulfur oxide and the reaction of moisture that also is present in the waste gas, formation will be corroded the sulfuric acid of engine.Therefore, marine diesel lubricant cylinder composition comprises that the high alkalinity metal sanitising agent is with neutralisation of sulphuric acid.Commercially available marine diesel lubricant cylinder composition generally has and is at least 70 total basicnumber (' TBN ') (measuring with ASTM D2896).
Environmental problem has been impelled many areas, such as the coastland, require to adopt low-sulfur fuel, namely comprises the fuel less than 1.00 % by weight sulphur, and this just allows and use and have low total basicnumber the marine diesel lubricant cylinder composition of (for example 40).Therefore, this just needs steamer to carry the oil tank of two kinds of different lubricants.
US4,842,755 disclose a kind of base number is at least 60 marine diesel lubricant cylinder.Said composition comprises ashless dispersant, one or more alkaline metal cpds through boration and the phosphorodithioic acid dialkyl ester zinc salt (referring to claim 1) of 0.02-0.023 % by weight (200-230ppm) zinc is provided.Specific embodiment shows increases zinc content to the loss that can cause encircling and overlapping the polishing machine advantage greater than 230ppm.
The purpose of this invention is to provide total basicnumber and be at least 30, be preferably 35 or the marine diesel lubricant cylinder of higher (ASTM D2896-01), it is suitable for using with high-sulfur and low-sulfur fuel.
Another object of the present invention provides total basicnumber and is at least 30, is preferably 35 or the marine diesel lubricant cylinder of higher (ASTM D2896-01); this lubricant is suitable for using with high and low-sulfur fuel; when it uses with high-sulfur fuel, still can provide to corrosive wear the protection of required degree simultaneously.
According to the present invention, a kind of marine diesel lubricant compositions is provided, its total basicnumber is at least 30, preferably be at least 35 or higher (measuring according to ASTM D2896), and comprises:
The oil of-at least 40 % by weight lubricant viscosities (based on the total amount of marine diesel lubricant cylinder composition),
-at least a sanitising agent by at least two kinds of tensio-active agents, preferred phenates and sulfosalt surfactant preparation,
-at least a at least the boron-containing dispersant of 100ppm boron that provides,
-at least a zinc the antiwear additive that contains preferably provides greater than 230ppm, the preferred at least phosphorodithioic acid dialkyl ester zinc salt of 250ppm zinc.
The inventor surprisingly finds; with US4, what 842,755 instruction was different is; in the marine diesel lubricant cylinder composition that comprises by the sanitising agent of at least two kinds of tensio-active agents preparation, use greater than the zinc of 230ppm and can provide the protection that has increased to wearing and tearing.
The inventor also finds, when using with high-sulfur fuel, even more than the marine diesel lubricant cylinder composition of definition is at lower total basicnumber, and for example 40, the abrasion protection of good degree still can be provided.
According to the present invention, a kind of method that operates marine diesel engine also is provided, the method comprises the step of the marine diesel lubricant cylinder composition lubricating engine that adopts above definition.
According to the present invention, the purposes of the marine diesel lubricant cylinder composition of above definition also is provided, be used for reducing the marine diesel engine wearing and tearing.
The oil of lubricant viscosity
The oil of lubricant viscosity (being sometimes referred to as lubricating oil) can be any lubricated oil that is suitable for ship engine.Lubricating oil can suitably be animal, plant or mineral oil.Suitably, lubricating oil is the lubricating oil derived from oil, such as cycloalkyl, paraffinic base or mixing base oil.In addition, lubricant can be ucon oil.Suitable ucon oil comprises synthetic ester oil grease, and it comprises diester, such as Octyl adipate, dioctyl sebacate and hexanodioic acid tridecyl ester or polymeric hydrocarbon lubricating oil, such as liquid polyisobutene and poly-alpha olefins.The general mineral oil that adopts.Lubricating oil usually can comprise greater than 60, is typically greater than the composition of 70 quality %, and typically has from 2 to 40 in the time of 100 ℃, for example 3-15mm 2s -1Kinematic viscosity, with from 80-100, for example from the viscosity index of 90-95.
Another kind of lubricating oil is hydrocrackates, and refining treatment is further at high temperature with suitably under the pressure herein, in the presence of hydrogen in the decomposition and last running.Hydrocrackates typically has from 2-40 in the time of 100 ℃, for example from 3-15mm 2s -1Kinematic viscosity and from 100-110, the viscosity index in the 105-108 scope for example.
This oil can comprise " bright stock ", and it refers to such base oil, namely its for generally 100 ℃ the time kinematic viscosity be 28-36mm 2s -1Vacuum residuum through solvent extraction, diasphaltene and the product that comes, and typically with less than 40, preferably less than 30, the ratio that is more preferably less than 20 % by weight (based on the quality of composition) uses.
Marine diesel lubricant cylinder composition preferably includes the oil of at least 50 % by weight lubricant viscosities, the more preferably oil of at least 60 % by weight lubricant viscosities, even the more preferably oil of at least 70 % by weight lubricant viscosities (based on the total amount of marine diesel lubricant cylinder composition).
The sanitising agent that comprises at least two kinds of tensio-active agents
Sanitising agent is to reduce the additive that piston throw out in the engine (for example high temperature varnish and lacquer throw out) forms; It has antacid performance, and can make finely divided solid keep suspending.It is based on metal " soap ", and namely the metal-salt of acidic organic compound is sometimes referred to as tensio-active agent.
Sanitising agent comprises the polar head with long-chain hydrophobic tail.A large amount of metal matrix are included to obtain comprising as metal matrix (for example, carbonate) during micella is outer field over-based detergent with sanitising agent by excess metal compound (such as oxide compound or oxyhydroxide) and sour gas (such as carbonic acid gas) reaction.
Sanitising agent comprises at least two kinds of tensio-active agents, preferably comprises at least phenates and sulfosalt surfactant.That sanitising agent can be called is compound/mix sanitising agent.The composite clean agent preferably includes at least 5 quality % phenates, more preferably at least 10 % by weight phenates (based on the total amount of sanitising agent).The composite clean agent preferably includes at least 5 quality % sulfonate, more preferably at least 8 quality % sulfonate (based on the sanitising agent total amount).Sanitising agent also preferably includes the salicylate tensio-active agent.Sanitising agent preferably includes at least 5 quality % salicylates, more preferably at least 10 quality % salicylates (based on the sanitising agent total amount).The technique means that the amount of tensio-active agent can be known by those skilled in the art in the composite clean agent is measured such as chromatography, spectrography and/or volumetry.Sanitising agent also can comprise other tensio-active agent, for example thiophosphate, naphthenate or oil soluble carboxylate salt.Surfactant group can combination in the high alkalinity process.Metal can be basic metal or alkaline-earth metal, such as sodium, potassium, lithium, calcium and magnesium.Preferred calcium.
The example of composite clean agent is described in WO97/46643, WO97/46644, WO97/46645, WO97/46646 and WO97/46647.
Preferably, the TBN of sanitising agent is at 250-500, more preferably 280-480 even more preferably in the scope of 300-450.
Marine diesel lubricant cylinder composition preferably includes at least 2 % by weight, preferred at least 5 % by weight, the more preferably sanitising agent that comprises at least two kinds of tensio-active agents of at least 8 % by weight (based on the total amount of marine diesel cylinder unit compound).
The marine diesel lubricant cylinder can also comprise other sanitising agents, such as phenol calcium sanitising agent, calcium sulphonate sanitising agent or calcium salicylate sanitising agent.Other sanitising agent can have the low TBN less than 50, from the medium TBN of 50-150 or greater than 150 high TBN.Marine diesel lubricant cylinder composition preferably includes other sanitising agent (based on the total amount of marine diesel lubricant cylinder composition) of at least 4 % by weight, preferred at least 6 % by weight.
Dispersion agent
At least a at least dispersion agent of 100ppm boron that provides is provided marine diesel lubricant cylinder composition.Dispersion agent is the additive for lubricant compositions, and its Main Function in lubricant cylinder is the acid neutralization of expedite clean-up agent system.
Noticeable dispersion agent classification is " ashless ", namely opposite with the material that contains metal and therefore have ash to form, when burning, substantially do not form grey nonmetal organic materials.Ashless dispersant comprises the long chain hydrocarbon with polar head, and polarity is because it comprises for example O, P or N atom.Hydrocarbon chain is to give oil-soluble lipophilic group, and it has for example 40-500 carbon atom.Therefore, ashless dispersant can comprise oily molten polymeric hydrocarbon main chain, and this main chain has the functional group that can be connected with the particle that will disperse.
The example of ashless dispersant is the succinimide through boration, for example, and through the polyisobutylene succinic anhydride of boration; With the polyamine condenses through boration.
Marine diesel lubricant cylinder composition preferably includes at least 150ppm, more preferably 200ppm boron (based on the total amount of marine diesel lubricant cylinder composition) at least.
Antiwear additive
Antiwear additive provides at least 230ppm, preferred 250ppm zinc (based on the total amount of marine diesel lubricant cylinder composition) at least.Antiwear additive preferably provides at least 275ppm, more preferably at least 300ppm even more preferably at least 325ppm even more preferably at least 350ppm even more preferably at least 375ppm and most preferably 385ppm zinc at least.
Antiwear additive can be according to known technology by at first forming dialkyldisulfide for phosphoric acid (DDPA) preparation, and described DDPA is usually by one or more alcohol or phenol and P 2S 5React, then use in the zn cpds and formation.For example, phosphorodithioic acid can make by the mixture reaction of primary and secondary alcohol.In addition, multiple phosphorodithioic acid can be prepared as to comprise and be secondary hydrocarbyl group fully and be primary hydrocarbyl group fully.In order to prepare zinc salt, the composition of any alkalescence or neutral zinc can use, but oxide compound, oxyhydroxide and carbonate are the most frequently used.Commercially available additive is owing to adopt excessive Alkaline Zinc composition in neutralization reaction, so often contain excessive zinc.
Preferred phosphorodithioic acid dialkyl ester zinc salt be dialkyldisulfide for the oil soluble salt of phosphoric acid, can use following chemical formulation:
[(RO)(R 1O)P(S)S] 2Zn
Wherein R and R 1Can be identical or different contain 1-18, preferred 2-12 carbon atom and comprise group such as alkyl, thiazolinyl, aryl, aralkyl, alkaryl and alicyclic radical.As R and R 1Group particularly preferably is the alkyl of 2-8 carbon atom.Therefore, free radical can be for example ethyl, n-propyl, sec.-propyl, normal-butyl, isobutyl-, sec-butyl, amyl group, n-hexyl, isohexyl, n-octyl, decyl, dodecyl, octadecyl, 2-ethylhexyl (2-ethylehexyl), phenyl, butyl phenyl, cyclohexyl, methylcyclopentyl, propenyl, butenyl.In order to obtain oil soluble, the total number of carbon atoms in phosphorodithioic acid is (namely at R and R 1In) be typically 5 or larger.Therefore phosphorodithioic acid dialkyl ester zinc salt can comprise the dialkyl dithiophosphate zinc salt.
Antioxidant
Marine diesel lubricant cylinder composition can comprise at least a antioxidant.Antioxidant can be amine or phenols.As the example of amine, what can mention is secondary aromatic amine, such as diarylamine, and pentanoic for example, wherein each phenyl is with the alkyl-alkyl replacement with 4-9 carbon atom.As the example of antioxidant, what can mention is hindered phenol, comprises single phenol and bis-phenol.
Preferably, antioxidant, if present, the amount with height to 3 quality % in composition provides (based on the total amount of marine diesel lubricant cylinder).
If necessary, can provide other additive, such as pour point reducer, defoamer and/or demulsifying compound.
Not necessarily represent term used herein " oil molten " or " oil can disperse " composition or additive with all proportions in oil solubilized, can mix maybe and can suspend.Yet, this really mean they for example in oil solubilized or stable dispersion to enough in the environment for use of oil the degree of their effects that should bring into play of performance.And if desired, the additional adding of other additive also allows to add the more special additive of high-content.
Lubricant compositions of the present invention can or can not be in independent (namely separating) component of the definition that chemically remains unchanged before and after being included in and mixing.
By the following example explanation (rather than restriction) the present invention.
Embodiment
Preparation has the marine diesel lubricant cylinder composition of 40 or 70 TBN.This lubricant compositions comprises: the high alkalinity composite calcium sanitising agent that comprises phenates and sulfosalt surfactant; Base number is 250 phenol calcium; Dispersion agent through boration; And antiwear agents.
Lubricant compositions adopts the Bolnes engine with outside guide, and (single cylinder two-stroke motor Bolnes3DNL) is carried out the Bolnes test, and it is through calibration and stable, with the fuel handling that comprises about 3.5% sulphur.The Bolnes engine speed is 500rpm, and lubricant feed speed is 1.00g/kwh.Every kind of lubricant compositions was tested 96 hours.The design experiment condition is so that steam jacket produces corrosive wear in this section period.Specifically measure wearing and tearing through the position of calibration with micron at steam jacket.The average record wearing and tearing are report below.The result is lower for record, and the steam jacket wearing and tearing are fewer.
Figure BDA00003483104000081
Upper table clearly illustrates that, when sanitising agent is prepared by at least two kinds of tensio-active agents, comprises that the wearing and tearing that the marine diesel lubricant cylinder of 385ppm or more zinc produces are less.Especially surprisingly, the TBN wearing and tearing that to be 40 embodiment 5 produce with high-sulfur fuel than TBN be 70 Comparative Examples 1 still less.

Claims (10)

1. marine diesel lubricant cylinder composition, it is measured according to ASTM D2896 has at least 30 total basicnumber, and comprises:
The oil of the lubricant viscosity of-at least 40 % by weight,
-at least a sanitising agent by at least two kinds of tensio-active agents, preferred phenates and sulfosalt surfactant preparation,
-at least a at least the boron-containing dispersant of the boron of 100ppm that provides, and
-at least a provide greater than the zinc of 230ppm, preferred at least 250ppm contain the zinc antiwear additive, preferred phosphorodithioic acid dialkyl ester zinc salt,
-based on total amount at least 4 % by weight of marine diesel lubricant cylinder composition, other sanitising agent that is selected from phenol calcium sanitising agent, calcium sulphonate sanitising agent or calcium salicylate sanitising agent of preferred at least 6 % by weight.
2. marine diesel lubricant cylinder composition as claimed in claim 1 is wherein comprised based on the phenates of the total amount 5 quality % of sanitising agent and the sulfonate of 5 quality % by the sanitising agent of two kinds of tensio-active agents preparations at least at least at least.
3. such as the marine diesel lubricant cylinder composition of claim 1 or 2, the sanitising agent that is wherein prepared by at least two kinds of tensio-active agents also comprises the salicylate tensio-active agent, is preferably based on the salicylate of the total amount at least 5 quality % of sanitising agent.
4. according to the marine diesel lubricant cylinder composition of any one in the above claim, wherein the base number of lubricant is at least 35, preferably at least 40 or 60.
5. according to the marine diesel lubricant cylinder composition of any one in the above claim, wherein dispersion agent provides based on the total amount of marine diesel lubricant cylinder composition at least 150ppm, the preferred at least boron of 200ppm.
6. according to the marine diesel lubricant cylinder composition of any one in the above claim, wherein antiwear additive provides at least 275ppm, preferred at least 300ppm, more preferably at least 325ppm even more preferably 350ppm even more preferably at least 375ppm and the most preferably zinc of 385ppm at least.
7. according to the marine diesel lubricant cylinder composition of any one in the above claim, wherein antiwear additive is the dialkyldisulfide that represents of following formula for the oil soluble salt of phosphoric acid:
[(RO)(R 1O)P(S)S] 2Zn
Wherein R and R 1Can be the identical or different alkyl that contains 1-18, preferred 2-12 carbon atom, and comprise for example group of alkyl, thiazolinyl, aryl, aralkyl, alkaryl and alicyclic radical.
8. according to the marine diesel lubricant cylinder composition of any one in the above claim, it also comprises amine or phenol antioxidant.
9. method that operates marine diesel engine, its preferably adopt have at least 3.0%, the fuel of preferred at least 3.5% sulphur content, the method comprises the step of using such as the marine diesel oil lubricant cylinder composition lubricating engine of any one among the claim 1-8.
10. according to the purposes of the marine diesel oil lubricant cylinder composition of any one claim, preferably use with the fuel with sulphur content of at least 3.0%, preferred at least 3.5%, to reduce the wearing and tearing of marine diesel engine.
CN2013102855442A 2003-10-09 2004-10-09 Lubricant composition Pending CN103351908A (en)

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WO2016086857A1 (en) * 2014-12-05 2016-06-09 中国石油天然气股份有限公司 Lubricating oil composition for use in marine piston engine
CN111500349A (en) * 2020-05-27 2020-08-07 中国石油化工股份有限公司 Marine diesel engine oil composition, preparation method and application thereof
CN116891775A (en) * 2023-07-12 2023-10-17 南宁广壮润滑油有限公司 A preparation method for powerful oil film protection motorcycle oil

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EP1805287B1 (en) * 2004-10-06 2017-09-20 The Lubrizol Corporation Method for lubricating a 2-stroke diesel engine with lubricating compositions containing sulphonates
EP1728849B1 (en) * 2005-05-27 2019-12-18 Infineum International Limited A method of lubricating the cylinder liner and the crankcase of a cross-head marine diesel engine
WO2007047446A1 (en) 2005-10-14 2007-04-26 The Lubrizol Corporation Method of lubricating a marine diesel engine
KR20070055386A (en) * 2005-11-25 2007-05-30 인피늄 인터내셔날 리미티드 How do marine or stationary diesel engines work?
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US20050153847A1 (en) 2005-07-14
AU2004218713A1 (en) 2005-04-28

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