EP3227417A1 - Lubricating composition containing an oxyalkylated hydrocarbyl phenol - Google Patents

Lubricating composition containing an oxyalkylated hydrocarbyl phenol

Info

Publication number
EP3227417A1
EP3227417A1 EP15817639.6A EP15817639A EP3227417A1 EP 3227417 A1 EP3227417 A1 EP 3227417A1 EP 15817639 A EP15817639 A EP 15817639A EP 3227417 A1 EP3227417 A1 EP 3227417A1
Authority
EP
European Patent Office
Prior art keywords
carbon atoms
group
hydrocarbyl
oxyalkylated
composition
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.)
Pending
Application number
EP15817639.6A
Other languages
German (de)
English (en)
French (fr)
Inventor
Yanshi Zhang
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 Corp
Original Assignee
Lubrizol Corp
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 Lubrizol Corp filed Critical Lubrizol Corp
Publication of EP3227417A1 publication Critical patent/EP3227417A1/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • 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
    • C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
    • C10M145/18—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M145/24—Polyethers
    • C10M145/26—Polyoxyalkylenes
    • C—CHEMISTRY; METALLURGY
    • 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
    • C10M1/00—Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants
    • C—CHEMISTRY; METALLURGY
    • 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
    • C10M1/00—Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants
    • C10M1/08—Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants with additives
    • C—CHEMISTRY; METALLURGY
    • 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
    • C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
    • C10M145/18—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M145/20—Condensation polymers of aldehydes or ketones
    • C—CHEMISTRY; METALLURGY
    • 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
    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/12—Reaction products
    • C10M159/20—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products
    • C—CHEMISTRY; METALLURGY
    • 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
    • C10M165/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a compound of unknown or incompletely defined constitution, each of these compounds being essential
    • C—CHEMISTRY; METALLURGY
    • 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
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/045—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and non-macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • 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
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/047—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and macromolecular compounds
    • C—CHEMISTRY; METALLURGY
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    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and macromolecular compounds
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
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    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/04—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing aromatic monomers, e.g. styrene
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/028—Overbased salts thereof
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
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    • C10M2207/046—Hydroxy ethers
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    • C10M2207/26—Overbased carboxylic acid salts
    • C10M2207/262—Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
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    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/101—Condensation polymers of aldehydes or ketones and phenols, e.g. Also polyoxyalkylene ether derivatives thereof
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    • C10M2209/105—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/064—Di- and triaryl amines
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    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
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    • C10M2219/046—Overbasedsulfonic acid salts
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    • C10N2040/252—Diesel engines
    • C10N2040/253—Small diesel engines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C10N2040/255—Gasoline engines

Definitions

  • the p-dodecylphenol-free detergent includes a phenate detergent that may typically be derived from p-hydrocarbyl phenols other than p-dodecylphenol.
  • Alkylphenols of this type may be coupled with sulphur and overbased, coupled with aldehyde and overbased, or carboxylated to form salicylate detergents.
  • R 4 group of each of the formulae above may be located in the para- position relative to the oxyalkylated group, and the resultant formula may be represented by structure:
  • the base catalyst may include sodium chloroacetate, sodium hydride or potassium hydroxide.
  • Synthetic oils may also be produced by Fischer-Tropsch reactions and typically may be hydroisomerised Fischer-Tropsch hydrocarbons or waxes. In one embodiment oils may be prepared by a Fischer-Tropsch gas-to-liquid synthetic procedure as well as other gas-to-liquid oils.
  • Oils of lubricating viscosity may also be defined as specified in April 2008 version of "Appendix E - API Base Oil Interchangeability Guidelines for Passenger Car Motor Oils and Diesel Engine Oils", section 1.3 Sub-heading 1.3. "Base Stock Categories”. The API Guidelines are also summarised in US Patent US 7,285,516 (see column 11, line 64 to column 12, line 10).
  • the oil of lubricating viscosity may be an API Group II, Group III, Group IV oil, or mixtures thereof.
  • the amount of the oil of lubricating viscosity present is typically the balance remaining after subtracting from 100 wt % the sum of the amount of the compound of the disclosed technology and the other performance additives.
  • the lubricating composition may be in the form of a concentrate and/or a fully formulated lubricant. If the lubricating composition of the disclosed technology (comprising the additives disclosed herein) is in the form of a concentrate which may be combined with additional oil to form, in whole or in part, a finished lubricant), the ratio of the of these additives to the oil of lubricating viscosity and/or to diluent oil include the ranges of 1 :99 to 99: 1 by weight, or 80:20 to 10:90 by weight.
  • the disclosed technology provides a lubricating composition further comprising at least one of a polyisobutylene succinimide dispersant, an antiwear agent, a dispersant viscosity modifier, a friction modifier, a viscosity modifier (typically an olefin copolymer such as an ethylene-propylene copolymer), an antioxidant (including phenolic and aminic antioxidants), an overbased detergent (including overbased sulphonates and phenates), or mixtures thereof.
  • a polyisobutylene succinimide dispersant typically an antiwear agent, a dispersant viscosity modifier, a friction modifier, a viscosity modifier (typically an olefin copolymer such as an ethylene-propylene copolymer), an antioxidant (including phenolic and aminic antioxidants), an overbased detergent (including overbased sulphonates and phenates), or mixtures thereof.
  • the lubricating composition may further include a dispersant, or mixtures thereof.
  • the dispersant may be a succinimide dispersant, a Mannich dispersant, a succinamide dispersant, a polyolefm succinic acid ester, amide, or ester-amide, or mixtures thereof.
  • the disclosed technology does include a dispersant or mixtures thereof.
  • the dispersant may be present as a single dispersant.
  • the dispersant may be present as a mixture of two or more (typically two or three) different dispersants, wherein at least one may be a succinimide dispersant.
  • the succinimide dispersant may be derived from an aliphatic polyamine, or mixtures thereof.
  • the aliphatic polyamine may be aliphatic polyamine such as an ethylenepolyamine, a propylenepolyamine, a butylenepolyamine, or mixtures thereof.
  • the aliphatic polyamine may be ethylenepolyamine.
  • the aliphatic polyamine may be chosen from ethylenediamine, diethylenetriamine, triethylenetetramine, tetraethylenepentamine, pentaethylenehexamine, polyamine still bottoms, and mixtures thereof.
  • the dispersant may be a polyolefm succinic acid ester, amide, or ester-amide.
  • a polyolefm succinic acid ester may be a polyisobutylene succinic acid ester of pentaerythritol, or mixtures thereof.
  • a polyolefm succinic acid ester-amide may be a polyisobutylene succinic acid reacted with an alcohol (such as pentaerythritol) and an amine (such as a diamine, typically diethyleneamine).
  • the dispersant may be an N-substituted long chain alkenyl succinimide.
  • the dispersants may also be post-treated by conventional methods by a reaction with any of a variety of agents.
  • agents such as boric acid, urea, thiourea, dimercaptothiadiazoles, carbon disulphide, aldehydes, ketones, carboxylic acids such as terephthalic acid, hydrocarbon-substituted succinic anhydrides, maleic anhydride, nitriles, epoxides, and phosphorus compounds.
  • the post-treated dispersant is borated.
  • the post-treated dispersant is reacted with dimercaptothiadiazoles.
  • the dispersant may be prepared/obtained/obtainable from reaction of succinic anhydride by an "ene” or “thermal” reaction, by what is referred to as a "direct alkylation process.”
  • the "ene” reaction mechanism and general reaction conditions are summarised in "Maleic Anhydride", pages 147-149, Edited by B.C. Trivedi and B.C. Culbertson and Published by Plenum Press in 1982.
  • the lubricating composition may be a lubricating composition further comprising a molybdenum compound.
  • the molybdenum compound may be an antiwear agent or an antioxidant.
  • the molybdenum compound may be be chosen from molybdenum dialkyldithiophosphates, molybdenum dithiocarbamates, amine salts of molybdenum compounds, and mixtures thereof.
  • the molybdenum compound may provide the lubricating composition with 0 to 1000 ppm, or 5 to 1000 ppm, or 10 to 750 ppm, 5 ppm to 300 ppm, or 20 ppm to 250 ppm of molybdenum.
  • Antioxidants include sulphurised olefins, diarylamines, alkylated diarylamines, hindered phenols, molybdenum compounds (such as molybdenum dithiocarbamates), hydroxyl thioethers, or mixtures thereof.
  • the lubricating composition includes an antioxidant, or mixtures thereof.
  • the antioxidant may be present at 0 wt % to 15 wt %, or 0.1 wt % to 10 wt %, or 0.5 wt % to 5 wt %, or 0.5 wt % to 3 wt %, or 0.3 wt % to 1.5 wt % of the lubricating composition.
  • the diaryl amine or alkylated diarylamine may be a phenyl-a-naphthyl amine (PANA), an alkylated diphenylamine, or an alkylated phenylnapthylamine, or mixtures thereof.
  • the alkylated diphenylamine may include di-nonylated diphenylamine, nonyl diphenylamine, octyl diphenylamine, di-octylated diphenylamine, di-decylated diphenylamine, decyl diphenylamine and mixtures thereof.
  • the diphenylamine may include nonyl diphenylamine, dinonyl diphenylamine, octyl diphenylamine, dioctyl diphenylamine, or mixtures thereof.
  • the alkylated diphenylamine may include nonyl diphenylamine, or dinonyl diphenylamine.
  • the alkylated diarylamine may include octyl, di-octyl, nonyl, di-nonyl, decyl or di-decyl phenylnapthylamines.
  • the hindered phenol antioxidant may be an ester and may include, e.g., IrganoxTM L-135 from Ciba.
  • IrganoxTM L-135 from Ciba.
  • molybdenum dithiocarbamates which may be used as an antioxidant, include commercial materials sold under the trade names such as Vanlube 822TM and MolyvanTM A from R. T. Vanderbilt Co., Ltd., and Adeka Sakura-LubeTM S-100, S-165, S-600 and 525, or mixtures thereof.
  • the lubricating composition further includes a viscosity modifier.
  • the viscosity modifier is known in the art and may include hydrogenated styrene-butadiene rubbers, ethylene -propylene copolymers, polymethacrylates, polyacrylates, hydrogenated styrene-isoprene polymers, hydrogenated diene polymers, polyalkyl styrenes, polyolefms, esters of maleic anhydride -olefin copolymers (such as those described in International Application WO 2010/014655), esters of maleic anhydride-styrene copolymers, or mixtures thereof.
  • the dispersant viscosity modifier may include functionalised polyolefms, for example, ethylene-propylene copolymers that have been functionalised with an acylating agent such as maleic anhydride and an amine; polymethacrylates functionalised with an amine, or styrene -maleic anhydride copolymers reacted with an amine. More detailed description of dispersant viscosity modifiers are disclosed in International Publication WO2006/015130 or U.S. Patents 4,863,623; 6,107,257; 6,107,258; 6,117,825; and US 7,790,661. In one embodiment the dispersant viscosity modifier may include those described in U.S. Patent 4,863,623 (see column 2, line 15 to column 3, line 52) or in
  • dispersant viscosity modifier may include those described in U.S. Patent US 7,790,661 column 2, line 48 to column 10, line 38.
  • the lubricating composition of the disclosed technology further comprises a dispersant viscosity modifier.
  • the dispersant viscosity modifier may be present at 0 wt % to 5 wt %, or 0 wt % to 4 wt %, or 0.05 wt % to 2 wt %, or 0.2 wt % to 1.2 wt % of the lubricating composition.
  • the friction modifier may be be chosen from long chain fatty acid derivatives of amines, long chain fatty esters, or derivatives of long chain fatty epoxides; fatty imidazolines; amine salts of alkylphosphoric acids; fatty alkyl tartrates; fatty alkyl tartrimides; fatty alkyl tartramides; fatty glycolates; and fatty glycolamides.
  • the friction modifier may be present at 0 wt % to 6 wt %, or 0.01 wt % to 4 wt %, or 0.05 wt % to 2 wt %, or 0.1 wt % to 2 wt % of the lubricating composition.
  • fatty alkyl or "fatty” in relation to friction modifiers means a carbon chain having 10 to 22 carbon atoms, typically a straight carbon chain.
  • Suitable friction modifiers include long chain fatty acid derivatives of amines, fatty esters, or fatty epoxides; fatty imidazolines such as condensation products of carboxylic acids and polyalkylene-polyamines; amine salts of alkylphosphoric acids; fatty alkyl tartrates; fatty alkyl tartrimides; fatty alkyl tartramides; fatty phosphonates; fatty phosphites; borated phospholipids, borated fatty epoxides; glycerol esters; borated glycerol esters; fatty amines; alkoxylated fatty amines; borated alkoxylated fatty amines; hydroxyl and polyhydroxy fatty amines including tertiary hydroxy fatty amines; hydroxy alkyl amides; metal salts of fatty acids; metal salts of alkyl salicylates; fatty oxazolines; fatty ethoxylated alcohol
  • Friction modifiers may also encompass materials such as sulphurised fatty compounds and olefins, molybdenum dialkyldithiophosphates, molybdenum dithiocarbamates, sunflower oil or soybean oil monoester of a polyol and an aliphatic carboxylic acid.
  • the friction modifier may be a long chain fatty acid ester.
  • the long chain fatty acid ester may be a mono-ester and in another embodiment the long chain fatty acid ester may be a triglyceride.
  • the lubricating composition optionally further includes at least one antiwear agent.
  • suitable antiwear agents include titanium compounds, tartaric acid derivatives such as tartrate esters, amides or tartrimides, oil soluble amine salts of phosphorus compounds, sulphurised olefins, metal dihydrocarbyldithiophosphates (such as zinc dialkyldithiophosphates), phosphites (such as dibutyl phosphite), phosphonates, thiocarbamate-containing compounds, such as thiocarbamate esters, thiocarbamate amides, thiocarbamic ethers, alkylene-coupled thiocarbamates, and bis(S- alkyldithiocarbamyl) disulphides.
  • the antiwear agent may in one embodiment include a tartrate or tartrimide as disclosed in International Publication WO 2006/044411 or Canadian Patent CA 1 183 125.
  • the tartrate or tartrimide may contain alkyl-ester groups, where the sum of carbon atoms on the alkyl groups is at least 8.
  • the antiwear agent may in one embodiment include a citrate as is disclosed in US Patent Application 20050198894.
  • the lubricating composition may further include a phosphorus-containing antiwear agent.
  • the phosphorus-containing antiwear agent may be a zinc dialkyldithiophosphate, phosphite, phosphate, phosphonate, and ammonium phosphate salts, or mixtures thereof.
  • Zinc dialkyldithiophosphates are known in the art.
  • the antiwear agent may be present at 0 wt % to 3 wt %, or 0.1 wt % to 1.5 wt %, or 0.5 wt % to 0.9 wt % of the lubricating composition.
  • oil-soluble titanium compounds as disclosed in US 7,727,943 and US2006/0014651.
  • the oil-soluble titanium compounds may function as antiwear agents, friction modifiers, antioxidants, deposit control additives, or more than one of these functions.
  • the oil soluble titanium compound may be a titanium (IV) alkoxide.
  • the titanium alkoxide may be formed from a monohydric alcohol, a polyol or mixtures thereof.
  • the monohydric alkoxides may have 2 to 16, or 3 to 10 carbon atoms.
  • the titanium alkoxide may be titanium (IV) isopropoxide.
  • the titanium alkoxide may be titanium (IV) 2-ethylhexoxide.
  • the titanium compound comprises the alkoxide of a vicinal 1,2-diol or polyol.
  • the 1,2-vicinal diol comprises a fatty acid mono-ester of glycerol, often the fatty acid may be oleic acid.
  • the oil soluble titanium compound may be a titanium carboxylate.
  • the titanium (IV) carboxylate may be titanium neodecanoate.
  • Foam inhibitors that may be useful in the compositions of the disclosed technology include polysiloxanes, copolymers of ethyl acrylate and 2-ethylhexylacrylate and optionally vinyl acetate; demulsifiers including fluorinated polysiloxanes, trialkyl phosphates, polyethylene glycols, polyethylene oxides, polypropylene oxides and (ethylene oxide-propylene oxide) polymers.
  • Pour point depressants that may be useful in the compositions of the disclosed technology include polyalphaolefms, esters of maleic anhydride-styrene copolymers, poly(meth)acrylates, polyacrylates or polyacryl amides.
  • Demulsifiers include trialkyl phosphates, and various polymers and copolymers of ethylene glycol, ethylene oxide, propylene oxide, or mixtures thereof different from the non-hydroxy terminated acylated polyalkylene oxide of the disclosed technology.
  • Metal deactivators include derivatives of benzotriazoles (typically tolyltriazole), 1,2,4-triazoles, benzimidazoles, 2-alkyldithiobenzimidazoles or 2-alkyl- dithiobenzothiazoles. The metal deactivators may also be described as corrosion inhibitors.
  • Seal swell agents include sulpholene derivatives Exxon Necton-37TM
  • An engine lubricating composition in different embodiments may have a composition as disclosed in the following table:
  • An aluminium surface may be derived from an aluminium alloy that may be a eutectic or a hyper-eutectic aluminium alloy (such as those derived from aluminium silicates, aluminium oxides, or other ceramic materials).
  • the aluminium surface may be present on a cylinder bore, cylinder block, or piston ring having an aluminium alloy, or aluminium composite.
  • the internal combustion engine may or may not have an exhaust gas recirculation system.
  • the internal combustion engine may be fitted with an emission control system or a turbocharger. Examples of the emission control system include diesel particulate filters (DPF), or systems employing selective catalytic reduction (SCR).
  • DPF diesel particulate filters
  • SCR selective catalytic reduction
  • the internal combustion engine may be a diesel fueled engine (typically a heavy duty diesel engine), a gasoline fueled engine, a natural gas fueled engine, a mixed gasoline/alcohol fueled engine, or a hydrogen fueled internal combustion engine.
  • the internal combustion engine may be a diesel fueled engine and in another embodiment a gasoline fueled engine.
  • Diesel fueled engines may be fueled with a mixture of conventional diesel fuel and bio-derived diesel fuel
  • the diesel engine fuel may comprise 5 volume percent to 100 volume percent bio-diesel (i.e. B5 to blOO); in one embodiment the diesel fuel comprises 5 volume percent to 50 volume percent bio-diesel or 8 volume percent to 30 volume percent bio-diesel. In one embodiment the diesel fuel is substantially free of (i.e. contains less than 1 volume percent) bio-diesel.
  • the internal combustion engine may be a heavy duty diesel engine. In one embodiment, the internal combustion engine may be a gasoline direct injection (GDI) engine.
  • GDI gasoline direct injection
  • the oxyalkylated group of the oxyalkylated hydrocarbyl phenol of the disclosed technology has formula wherein R 1 is ethylene, propylene, butylene group, or mixtures thereof, with the proviso that if R 1 comprises ethylene groups the resultant oxyalkylated hydrocarbyl phenol is a random or block copolymer derived from ethylene glycol and either (i) propylene glycol or (ii) butylene glycol; and n is independently from 1 to 50, or 1 to 20.
  • the internal combustion engine may be a 2-stroke or 4-stroke engine.
  • Suitable internal combustion engines include marine diesel engines, aviation piston engines, low-load diesel engines, and automobile and truck engines.
  • the marine diesel engine may be lubricated with a marine diesel cylinder lubricant (typically in a 2-stroke engine), a system oil (typically in a 2-stroke engine), or a crankcase lubricant (typically in a 4-stroke engine).
  • the internal combustion engine is a 4-stroke engine, and is a compression ignition engine or a positive ignition natural gas (NG) or LPG engine.
  • the lubricant composition for an internal combustion engine may be suitable for any engine lubricant irrespective of the sulphur, phosphorus or sulphated ash (ASTM D-874) content.
  • the sulphur content of the engine oil lubricant may be 1 wt % or less, or
  • the sulphur content may be in the range of 0.001 wt % to 0.5 wt %, or 0.01 wt % to 0.3 wt %.
  • the phosphorus content may be 0.2 wt % or less, or 0.12 wt % or less, or 0.1 wt % or less, or 0.085 wt % or less, or 0.08 wt % or less, or even 0.06 wt % or less, 0.055 wt % or less, or 0.05 wt % or less.
  • the phosphorus content may be 0.04 wt % to
  • the phosphorus content may be 100 ppm to 1000 ppm, or 200 ppm to 600 ppm.
  • the total sulphated ash content may be 0.3 wt % to 1.2 wt %, or 0.5 wt % to 1.2 wt % or 1.1 wt % of the lubricating composition. In one embodiment the sulphated ash content may be 0.5 wt % to 1.2 wt % of the lubricating composition.
  • the TBN (as measured by ASTM D2896) of the engine oil lubricant may be 5 mg KOH/g to
  • hydrocarbyl substituent or “hydrocarbyl group” is used in its ordinary sense, which is well-known to those skilled in the art. Specifically, it refers to a group having a carbon atom directly attached to the remainder of the molecule and having predominantly hydrocarbon character.
  • hydrocarbyl groups include: hydrocarbon substituents, including aliphatic, alicyclic, and aromatic substituents; substituted hydrocarbon substituents, that is, substituents containing non- hydrocarbon groups which, in the context of this disclosed technology, do not alter the predominantly hydrocarbon nature of the substituent; and hetero substituents, that is, substituents which similarly have a predominantly hydrocarbon character but contain other than carbon in a ring or chain.
  • KOH pellets (5 g) are charged to the vessel.
  • the vessel is purged 6 times with Nitrogen (0-30 psi) then pressurised to 10 psi.
  • the contents are heated to 130 °C with stirring and the vessel is repressurised to 10 psi.
  • Ethylene oxide (20.33 g) is added over 4 hours. Purged cylinder lines and allowed pressure to drop to 12 psi (8 hours). Discharged 626 g of a golden liquid.
  • Inventive Preparative Example B (1 equivalents of propylene oxide to 1 equivalent of polyisobutylene phenol): Polyisobutylene (950 Mn) phenol (600 g) and KOH pellets (5 g) are charged to the vessel. The vessel is purged 6 times with Nitrogen (0-30 psi) then pressurised to 10 psi. The contents are heated to 120 °C with stirring and the vessel is repressurised to 10 psi. Propylene oxide (26.81 g) is added over 2 hours.
  • Inventive Preparative Example D (2 equivalents of propylene oxide to 1 equivalent of polyisobutylene phenol): Polyisobutylene (950 Mn) phenol (600 g) and KOH pellets (5 g) are charged to the vessel. The vessel is purged 6 times with Nitrogen (0-30 psi) then pressurised to 10 psi. The contents are heated to 120 °C with stirring and the vessel is repressurised to 10 psi. Propylene oxide (53.61 g) is added over 2 hours.
  • Inventive Preparative Example F (5 equivalents of propylene oxide to 1 equivalent of polyisobutylene phenol): Polyisobutylene (950 Mn) phenol (550 g) and KOH pellets (4.5 g) are charged to the vessel. The vessel is purged 6 times with Nitrogen
  • PP-1 4-Alkylphenol where alkyl is lOOOMn Pib
  • PP-2 4-Alkylphenol where alkyl is 550Mn Pib
  • PP-3 4-Alkylphenol where alkyl is 1500Mn Pib
  • PP-4 4-Alkylphenol where alkyl is 2000Mn Pib
  • ⁇ Mixtures represent feed ratios
  • Additional additives include friction modifier, anti-foam agents, and pourpoint depressants
  • formulations are evaluated in both bench oxidation-deposit tests as well as a fired engine test designed to evaluate deposit control of lubricants.

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  • Chemical Kinetics & Catalysis (AREA)
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  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Lubricants (AREA)
EP15817639.6A 2014-12-03 2015-12-03 Lubricating composition containing an oxyalkylated hydrocarbyl phenol Pending EP3227417A1 (en)

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CN107109290A (zh) 2017-08-29
SG11201704171RA (en) 2017-06-29
WO2016090065A1 (en) 2016-06-09
US20170267941A1 (en) 2017-09-21
CA2969651A1 (en) 2016-06-09
CA2969651C (en) 2023-02-21
JP2017536463A (ja) 2017-12-07

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