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WO1996026995A1 - Compositions d'huiles lubrifiantes - Google Patents

Compositions d'huiles lubrifiantes Download PDF

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Publication number
WO1996026995A1
WO1996026995A1 PCT/GB1996/000364 GB9600364W WO9626995A1 WO 1996026995 A1 WO1996026995 A1 WO 1996026995A1 GB 9600364 W GB9600364 W GB 9600364W WO 9626995 A1 WO9626995 A1 WO 9626995A1
Authority
WO
WIPO (PCT)
Prior art keywords
lubricating oil
hydrocarbyl
composition
substituted
weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/GB1996/000364
Other languages
English (en)
Inventor
Stephen James Cook
Paul Kristian Robinson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lubrizol Adibis Holdings UK Ltd
Original Assignee
BP Chemicals Additives Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BP Chemicals Additives Ltd filed Critical BP Chemicals Additives Ltd
Publication of WO1996026995A1 publication Critical patent/WO1996026995A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M163/00—Lubricating 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
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    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/04—Hydroxy compounds
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    • C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/52—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of 30 or more atoms
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    • C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
    • C10M141/06—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic nitrogen-containing compound
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    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/02—Natural products
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    • C10M159/12—Reaction products
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    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition

Definitions

  • the present invention relates to lubricating oil compositions and in particular to lubricating oil compositions suitable for medium- or low-speed diesel engines, typically the four-stroke trunk-piston engine.
  • Lubricating oils for medium- or low-speed diesel engines are known and will typically contain a range of additives which will perform a variety of functions, for example they may comprise dispersants to minimise deposit formation in various parts of the engine, or detergent additives.
  • contamination of these lubricating oil compositions with unburnt residual fuel oil is a problem recognised in the industry. This leads to severe engine cleanliness problems in service which is sometimes referred to as "black paint”.
  • the problem is particularly widespread in 4-stroke trunk-piston engines where dirty cam boxes and crankcases are encountered.
  • 2- stroke cross-head engines can also suffer from the problem. These 2-stroke engines will usually use two separate lubricating oils, one for the crankcase and one for the cylinder, but it is in the crankcase where the heavy deposits potentially occur.
  • a lubricating oil composition suitable for use in low or medium speed diesel engines comprising a fuel oil with a residual oil content characterised in that the lubricating oil composition further comprises a "black paint" reducing amount of a hydrocarbyl- substituted phenol.
  • the lubricating oil composition of the present invention will be suitable for use in either a low- or medium-speed engine especially a marine diesel engine.
  • a low- or medium-speed engine especially a marine diesel engine.
  • a marine diesel engine can be a 4-stroke trunk piston engine having an engine speed of 50-1,000 rpm, e.g. 100-500 rpm, and a brake horse-power (BHP) per cylinder of 10-3,000 preferably 250-2,000.
  • BHP brake horse-power
  • the engine can also be a 2-stroke cross-head engine having a speed of 40-1,000 rpm preferably 100-500 rpm, and a BHP per cylinder of 100-8,000.
  • a method of reducing deposits in a low- or medium-speed diesel engine comprising lubricating the moving parts of the engine with a lubricating oil composition suitable for use in such an engine which comprises a fuel oil with a residual oil content characterised in that the lubricating oil composition further comprises a "black paint" reducing amount of a hydrocarbyl-substituted phenol.
  • the lubricating oil compositions of the present invention will have a TBN in the range 0.1 to lOOmgKOH g.
  • the TBN is preferably in the range 5-70, more preferably 8-50mgKOH/g; where it is to be used in a 2-stroke cross-head engine and particularly for the crankcase, the TBN of the composition is preferably in the range 0.1 to 15, more preferably 1 to 10 mgKOH/g.
  • the lubricating oil composition of the present invention will usually be a monograde lubricant, i.e. one which exhibits little or no viscosity index improvement properties, e.g. an SA30 oil.
  • the lubricating oil may be any oil suitable for the lubrication of a low- or medium-speed diesel engine, particularly a marine diesel engine.
  • the lubricating oil may suitably be an animal, a vegetable or a mineral oil.
  • the lubricating oil is a petroleum-derived lubricating oil, such as a naphthenic base, paraffin base, or mixed base oil.
  • the lubricating oil may be a synthetic lubricating oil.
  • Suitable synthetic lubricating oils include synthetic ester lubricating oils, which oils include diesters such as di-octyl adipate, di-octyl sebacate and tri-decyl adipate, or polymeric hydrocarbon lubricating oils, for example liquid polyisobutene and poly-alpha olefins. Commonly, a mineral oil is employed. The oil may be suitable for lubricating a low- or medium-speed marine diesel engine without adjustment of its viscosity. If viscosity adjustment is required it may be achieved by the addition of, for example, bright stock.
  • the lubricating oil will generally comprise greater than 70% by weight, typically greater than 80% by weight of the composition.
  • the lubricating oil composition will be contaminated with a fuel oil which has a residual oil content.
  • a fuel oil will be suitable for use as a diesel fuel oil.
  • Fuel oils can in general be divided into two main categories - distillates and heavy fuels. Distillates consist of one or more distilled fractions. Heavy fuels are fuels which comprise at least a proportion of a residual oil, that is an oil which remains after the distilled fractions have been removed from an unrefined oil.
  • the composition of the residual oil will vary with the composition of the starting oil which is usually a crude oil and will also vary depending upon the distillation conditions. However, by its nature residual oil is of high molecular weight and high boiling point and the man skilled in the art will know what is meant by residual oil.
  • Heavy fuels can also comprise, in addition to residual oil, distillates. However, heavy fuels will generally comprise at least 90%, for example at least 95%, typically at least 99% by weight residual oil.
  • the present invention is concerned with lubricating oil compositions that are contaminated with a heavy fuel.
  • the amount of heavy fuel in the lubricating oil composition will vary. Typically the composition will comprise between 0.1 to 10, e.g. 0.3 to 5, especially 0.5 to 3%, by weight heavy fuel oil which as defined above is a fuel oil which has a residual oil content.
  • the hydrocarbyl-substituted phenol may be a mono-hydrocarbyl-substituted phenol or a poly-hydrocarbyl-substituted phenol or a mixture of both mono- and poly-substituted phenols.
  • the hydrocarbyl-substituent is preferably an alkyl group which may be branched or unbranched. Suitable alkyl groups contain from 4 to 50, preferably from 9 to 29, carbon atoms.
  • a particularly suitable alkyl phenol is the predominantly Ci2-.alkyl phenol obtained by alkylating phenol with propylene tetramer.
  • a particularly suitable poly-substituted phenol is dinonyl phenol.
  • Hydrocarbyl-substituted phenols are well-known commercial materials which are usually manufactured by alkylating phenol at elevated temperature in the presence of an acidic catalyst.
  • composition of the invention may contain other additives, chief amongst which is a dispersant.
  • a suitable dispersant is one derived from a hydrocarbyl-substituted succinic acid or anhydride by reaction with an amine, i.e. a hydrocarbyl-substituted succinimide, e.g. a polyisobutene (PIB) succinimide.
  • a hydrocarbyl-substituted succinimide e.g. a polyisobutene (PIB) succinimide.
  • PIB polyisobutene
  • Succinimide production is described in, for example, US-A-2,992,708; US- A-3,018,291; US-A-3,024,237; US-A-3, 100,673; US-A-3,219,666; US-A- 3,172,892 and US-A-3, 272,746.
  • Succinimide dispersants which are mono- or bis- succinimides may be employed.
  • the amount of dispersant present in the low- or medium-speed diesel engine lubricating oil composition of the present invention may suitably be in the range from 0.01 to 5.0, preferably from 0.1 to 2.5% by weight based on the weight of the composition.
  • compositions may additionally contain additives conventionally employed in low- or medium-speed diesel engine lubricating oil compositions.
  • additives include detergents, foam inhibitors, extreme pressure/antiwear agents, rust inhibitors, antioxidants, and the like.
  • Detergents generally employed in the compositions of the invention include hydrocarbyl-substituted alkaline earth metal phenates, salicylates, naphthenates, sulphonates or carboxylates, which may be normal or overbased materials.
  • the detergent in addition to providing detergency, is generally employed to adjust the total base number of the composition to a desired value, typically about 30mg KOH/g.
  • a preferred composition according to the present invention comprises from 0 to 5.0%, preferably from 0.10 to 3.0%, by weight of a hydrocarbyl-substituted succinimide dispersant; sufficient of a hydrocarbyl-substituted alkaline earth metal phenate, salicylate, naphthenate, sulphonate or carboxylate detergent to adjust the TBN to a value in the range from 8 to 50mgKOH/g for use in a 4-stroke trunk piston engine or to a value in the range from 1 to lOmgKOH/g for use in a 2-stroke cross-head marine engine; from 0.5 to 10%, preferably from 2.0 to 5.0% by weight of a hydrocarbyl-substituted phenol; from 0.1 to 10%, typically from 0.5 to 3% by weight heavy fuel oil (i.e. a fuel oil which has a residual oil content); and, comprising the remainder of the composition, a low- or medium-speed diesel engine lubricating oil.
  • the composition of the invention may be prepared by diluting a concentrate comprising a solution of the hydrocarbyl-substituted phenol and optionally the other additives referred to hereinbefore in a suitable carrier with low- or medium- speed diesel engine lubricating oil.
  • a suitable carrier with low- or medium- speed diesel engine lubricating oil.
  • the carrier there may be employed any solvent for the phenol which is compatible both with the lubricating oil and with the use of the composition.
  • the carrier may be any inert hydrocarbon solvent.
  • the hydrocarbyl-substituted phenol may suitably be present in the concentrate in an amount in the range from 0.1 to 20% by weight.
  • test method ten grams of the test oil which has previously been subjected to ageing at 100°C for 24hr is filtered through a filter medium. After solvent washing and drying the total sediment on the filter medium is weighed. The test is carried out in duplicate. Results
  • Ml Mass of filter medium after filtration in g
  • M2 Mass of filter medium before filtration in g
  • M3 Mass of sample filtered in g.
  • the Comparison Test was repeated except that in addition 0.66% by weight of the alkyl phenol product obtained by alkylating phenol with propylene tetramer was added.
  • the Comparison Test was repeated except that in addition 1.48% by weight of the alkyl phenol product obtained by alkylating phenol with propylene tetramer (as used in Example 1) was added.
  • the Comparison Test was repeated except that in addition 2.54% by weight of the alkyl phenol product obtained by alkylating phenol with propylene tetramer (as used in Example 1) was added.
  • the Comparison Test was repeated except that in addition 3.95% by weight of the alkyl phenol product obtained by alkylating phenol with propylene tetramer (as used in Example 1 ) was added.

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

Abstract

Cette invention concerne une composition d'huile lubrifiante convenant à l'utilisation dans les moteurs Diesel de vitesse faible ou moyenne, et particulièrement adaptée à un moteur à quatre temps à piston fourreau, ladite composition contenant un mazout présentant une certaine teneur en résidu de distillation, et se caractérisant en ce qu'elle contient également une quantité de phénol à substitution hydrocarbyle permettant de réduire la 'peinture noire' et de préférence un additif dispersant, par exemple un succinimide à substitution hydrocarbyle. Cette invention concerne également un procédé permettant de réduire la peinture noire dans un moteur Diesel de vitesse faible ou moyenne.
PCT/GB1996/000364 1995-02-28 1996-02-15 Compositions d'huiles lubrifiantes Ceased WO1996026995A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9503993.9 1995-02-28
GBGB9503993.9A GB9503993D0 (en) 1995-02-28 1995-02-28 Lubricating oil compositions

Publications (1)

Publication Number Publication Date
WO1996026995A1 true WO1996026995A1 (fr) 1996-09-06

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WO (1) WO1996026995A1 (fr)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1191088A1 (fr) * 2000-09-22 2002-03-27 Infineum International Limited Lubrification d'un moteur à piston plongeur
EP1236791A1 (fr) * 2001-02-16 2002-09-04 Infineum International Limited Additifs surbasiques en tant que détergents
US6521571B1 (en) 2000-09-22 2003-02-18 Infineum International Ltd. Trunk piston engine lubrication
EP1528099A1 (fr) * 2003-10-30 2005-05-04 Infineum International Limited Methode pour la réduction de la formation de dépôts dans un moteur à piston fourreau
JP2005133098A (ja) * 2003-10-30 2005-05-26 Infineum Internatl Ltd 筒型ピストンディーゼルエンジンの遠心分離系における沈着物の形成を減少させる方法
WO2008128656A2 (fr) 2007-04-24 2008-10-30 Infineum International Limited Détergent
EP2123739A1 (fr) 2008-05-20 2009-11-25 Infineum International Limited Lubrification de moteur marin
EP2123740A1 (fr) 2008-05-20 2009-11-25 Infineum International Limited Lubrification de moteur marin
DE102009034983A1 (de) 2008-09-11 2010-04-29 Infineum International Ltd., Abingdon Verfahren zum Vermindern von Asphaltenablagerung in einem Motor
DE102009034984A1 (de) 2008-09-11 2010-07-01 Infineum International Ltd., Abingdon Detergens
WO2010115594A1 (fr) 2009-04-07 2010-10-14 Infineum International Limited Lubrification de moteur marin
WO2010124859A1 (fr) * 2009-05-01 2010-11-04 Infineum International Limited Lubrification de moteur marin
EP2447346A1 (fr) 2010-10-28 2012-05-02 Infineum International Limited Lubrification de moteur marin
GB2496732A (en) * 2011-11-17 2013-05-22 Infineum Int Ltd Marine engine lubrication
CN101668837B (zh) * 2007-04-24 2014-01-08 英菲诺姆国际有限公司 用于减少沥青质沉淀的烃基取代的羟基苯甲酸高碱性金属盐
EP2727984A1 (fr) * 2012-11-02 2014-05-07 Infineum International Limited Lubrification de moteur marin
KR20140065350A (ko) * 2012-11-21 2014-05-29 인피늄 인터내셔날 리미티드 선박 엔진 윤활화

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FR2528065A1 (fr) * 1982-06-07 1983-12-09 Lubrizol Corp Composition lubrifiante pour moteur a deux temps, procede de lubrification et melange lubrifiant-combustible contenant cette composition
EP0098717A1 (fr) * 1982-06-24 1984-01-18 Nippon Mining Company Limited Huile lubrifiante pour moteurs diesel
US4720350A (en) * 1986-04-14 1988-01-19 Texaco Inc. Oxidation and corrosion inhibiting additives for railway diesel crankcase lubricants
EP0391649A2 (fr) * 1989-04-03 1990-10-10 Exxon Chemical Patents Inc. Compositions lubrifiantes sans cendres pour moteurs à combustion interne
US5259967A (en) * 1992-06-17 1993-11-09 The Lubrizol Corporation Low ash lubricant composition
WO1995008608A1 (fr) * 1993-09-23 1995-03-30 Bp Chemicals (Additives) Limited Compositions d'huiles lubrifiantes

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Publication number Priority date Publication date Assignee Title
FR2528065A1 (fr) * 1982-06-07 1983-12-09 Lubrizol Corp Composition lubrifiante pour moteur a deux temps, procede de lubrification et melange lubrifiant-combustible contenant cette composition
EP0098717A1 (fr) * 1982-06-24 1984-01-18 Nippon Mining Company Limited Huile lubrifiante pour moteurs diesel
US4720350A (en) * 1986-04-14 1988-01-19 Texaco Inc. Oxidation and corrosion inhibiting additives for railway diesel crankcase lubricants
EP0391649A2 (fr) * 1989-04-03 1990-10-10 Exxon Chemical Patents Inc. Compositions lubrifiantes sans cendres pour moteurs à combustion interne
US5259967A (en) * 1992-06-17 1993-11-09 The Lubrizol Corporation Low ash lubricant composition
WO1995008608A1 (fr) * 1993-09-23 1995-03-30 Bp Chemicals (Additives) Limited Compositions d'huiles lubrifiantes

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6521571B1 (en) 2000-09-22 2003-02-18 Infineum International Ltd. Trunk piston engine lubrication
EP1191088A1 (fr) * 2000-09-22 2002-03-27 Infineum International Limited Lubrification d'un moteur à piston plongeur
EP1236791A1 (fr) * 2001-02-16 2002-09-04 Infineum International Limited Additifs surbasiques en tant que détergents
US6642190B2 (en) 2001-02-16 2003-11-04 Infineum International Ltd. Overbased detergent additives
CN1314785C (zh) * 2001-02-16 2007-05-09 英菲诺姆国际有限公司 高碱性去垢剂
AU2004231172B2 (en) * 2003-10-30 2010-06-17 Infineum International Limited A method of reducing deposit formation in a centrifuge system in a trunk piston diesel engine
EP1528099A1 (fr) * 2003-10-30 2005-05-04 Infineum International Limited Methode pour la réduction de la formation de dépôts dans un moteur à piston fourreau
JP2005133098A (ja) * 2003-10-30 2005-05-26 Infineum Internatl Ltd 筒型ピストンディーゼルエンジンの遠心分離系における沈着物の形成を減少させる方法
CN101668837B (zh) * 2007-04-24 2014-01-08 英菲诺姆国际有限公司 用于减少沥青质沉淀的烃基取代的羟基苯甲酸高碱性金属盐
US8012918B2 (en) 2007-04-24 2011-09-06 Infineum International Limited Detergent
WO2008128656A3 (fr) * 2007-04-24 2009-03-12 Infineum Int Ltd Détergent
WO2008128656A2 (fr) 2007-04-24 2008-10-30 Infineum International Limited Détergent
EP2123740A1 (fr) 2008-05-20 2009-11-25 Infineum International Limited Lubrification de moteur marin
EP2123739A1 (fr) 2008-05-20 2009-11-25 Infineum International Limited Lubrification de moteur marin
DE102009034983A1 (de) 2008-09-11 2010-04-29 Infineum International Ltd., Abingdon Verfahren zum Vermindern von Asphaltenablagerung in einem Motor
DE102009034984A1 (de) 2008-09-11 2010-07-01 Infineum International Ltd., Abingdon Detergens
WO2010115594A1 (fr) 2009-04-07 2010-10-14 Infineum International Limited Lubrification de moteur marin
WO2010124859A1 (fr) * 2009-05-01 2010-11-04 Infineum International Limited Lubrification de moteur marin
WO2010124860A1 (fr) * 2009-05-01 2010-11-04 Infineum International Limited Lubrification de moteur marin
AU2010243817B2 (en) * 2009-05-01 2014-06-05 Infineum International Limited Marine engine lubrication
AU2010243910B2 (en) * 2009-05-01 2014-02-20 Infineum International Limited Marine engine lubrication
US8703676B2 (en) 2009-05-01 2014-04-22 Infineum International Limited Marine engine lubrication
EP2447346A1 (fr) 2010-10-28 2012-05-02 Infineum International Limited Lubrification de moteur marin
GB2496732A (en) * 2011-11-17 2013-05-22 Infineum Int Ltd Marine engine lubrication
GB2496732B (en) * 2011-11-17 2014-03-12 Infineum Int Ltd Marine engine lubrication
AU2012250275B2 (en) * 2011-11-17 2014-01-16 Infineum International Limited Marine engine lubrication
DE102012220059A1 (de) 2011-11-17 2013-05-23 Infineum International Limited Schmierung für Schiffsmotoren
EP2727984A1 (fr) * 2012-11-02 2014-05-07 Infineum International Limited Lubrification de moteur marin
US20140128301A1 (en) * 2012-11-02 2014-05-08 Infineum International Limited Marine engine lubrication
CN103805311A (zh) * 2012-11-02 2014-05-21 英菲诺姆国际有限公司 船用发动机润滑
KR20140065350A (ko) * 2012-11-21 2014-05-29 인피늄 인터내셔날 리미티드 선박 엔진 윤활화

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