FR2532323B1 - Procede et composition d'huile lubrifiante a base d'ester synthetique donnant des huiles de moteurs resistant a l'hydrolyse - Google Patents

Procede et composition d'huile lubrifiante a base d'ester synthetique donnant des huiles de moteurs resistant a l'hydrolyse

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Publication number
FR2532323B1
FR2532323B1 FR8313996A FR8313996A FR2532323B1 FR 2532323 B1 FR2532323 B1 FR 2532323B1 FR 8313996 A FR8313996 A FR 8313996A FR 8313996 A FR8313996 A FR 8313996A FR 2532323 B1 FR2532323 B1 FR 2532323B1
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France
Prior art keywords
hydrolysis
composition
lubricating oil
synthetic ester
engine oils
Prior art date
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Expired
Application number
FR8313996A
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English (en)
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FR2532323A1 (fr
Inventor
Stephen Metro
Dale Carr
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.)
ExxonMobil Technology and Engineering Co
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Exxon Research and Engineering Co
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Publication of FR2532323A1 publication Critical patent/FR2532323A1/fr
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Publication of FR2532323B1 publication Critical patent/FR2532323B1/fr
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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
    • 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
    • C—CHEMISTRY; METALLURGY
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    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/32—Esters
    • C10M105/34—Esters of monocarboxylic acids
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    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/32—Esters
    • C10M105/38—Esters of polyhydroxy compounds
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    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
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    • C10M105/42—Complex esters, i.e. compounds containing at least three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compound: monohydroxy compounds, polyhydroxy compounds, monocarboxylic acids, polycarboxylic acids and hydroxy carboxylic acids
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    • C10M105/44—Complex esters, i.e. compounds containing at least three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compound: monohydroxy compounds, polyhydroxy compounds, monocarboxylic acids, polycarboxylic acids and hydroxy carboxylic acids derived from the combination of monocarboxylic acids, dicarboxylic acids and dihydroxy compounds only and having no free hydroxy or carboxyl groups
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    • C10M129/34—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 7 or less carbon atoms polycarboxylic
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    • C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
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    • C10M137/04—Phosphate esters
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    • C10M2207/123—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms polycarboxylic
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    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
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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
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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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    • 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
    • C10M2215/066—Arylene diamines
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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
    • C10M2215/067—Polyaryl amine alkanes
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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
    • C10M2215/068—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings having amino groups bound to polycyclic aromatic ring systems, i.e. systems with three or more condensed rings
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    • C10M2215/22—Heterocyclic nitrogen compounds
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
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    • C10M2215/223—Five-membered rings containing nitrogen and carbon only
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
    • C10M2215/226—Morpholines
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/26—Amines
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/30—Heterocyclic 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
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • 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
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/041—Triaryl phosphates

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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)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Lubricants (AREA)
FR8313996A 1982-09-01 1983-08-31 Procede et composition d'huile lubrifiante a base d'ester synthetique donnant des huiles de moteurs resistant a l'hydrolyse Expired FR2532323B1 (fr)

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US06/413,894 US4440657A (en) 1982-09-01 1982-09-01 Synthetic ester lubricating oil composition containing particular t-butylphenyl substituted phosphates and stabilized hydrolytically with particular long chain alkyl amines

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FR2532323A1 FR2532323A1 (fr) 1984-03-02
FR2532323B1 true FR2532323B1 (fr) 1986-08-08

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Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3067578D1 (en) * 1979-11-23 1984-05-24 Exxon Research Engineering Co Additive combinations and fuels containing them
US4530772A (en) * 1984-02-22 1985-07-23 Stauffer Chemical Company Method of electrical contact lubrication
US4529531A (en) * 1984-02-22 1985-07-16 Stauffer Chemical Company Electrical contact lubricant composition and method of lubrication
US4780229A (en) * 1984-10-01 1988-10-25 Akzo America Inc. High temperature polyol ester/phosphate ester crankcase lubricant composition
GB8629690D0 (en) * 1985-12-20 2013-10-16 Stauffer Chemical Co High temperature synthetic lubricant
US4645615A (en) * 1986-02-27 1987-02-24 Fmc Corporation Fire-resistant hydraulic fluid
US4879052A (en) * 1987-11-05 1989-11-07 Akzo America Inc. High temperature polyol ester/phosphate ester crankcase lubricant composition
JP2621329B2 (ja) * 1988-04-20 1997-06-18 松下電器産業株式会社 流体軸受装置
US5244953A (en) * 1991-05-07 1993-09-14 Ciba-Geigy Corporation Substituted 1-aminonaphthalenes and stabilized compositions
US5160647A (en) * 1991-05-07 1992-11-03 Ciba-Geigy Corporation Substituted 1-aminonaphthalenes and stabilized compositions
JP2966975B2 (ja) * 1991-07-17 1999-10-25 出光興産株式会社 潤滑油組成物
GB2272000B (en) * 1992-10-30 1997-03-26 Castrol Ltd A method of inhibiting corrosion
US5460712A (en) * 1994-11-30 1995-10-24 Nalco Chemical Company Coker/visbreaker and ethylene furnace antifoulant
DE69525657T2 (de) * 1994-12-08 2002-10-17 Exxonmobil Chem Patents Inc Verwendung von biologisch abbaubarem synthetischen verzweigten ester in einem zwei-takt motor öl um die herstellung von rauch in einem zwei-takt motor zu reduzieren
US5665686A (en) * 1995-03-14 1997-09-09 Exxon Chemical Patents Inc. Polyol ester compositions with unconverted hydroxyl groups
US5728658A (en) * 1996-05-21 1998-03-17 Exxon Chemical Patents Inc Biodegradable synthetic ester base stocks formed from branched oxo acids
US5698502A (en) * 1996-09-11 1997-12-16 Exxon Chemical Patents Inc Polyol ester compositions with unconverted hydroxyl groups for use as lubricant base stocks
DE19730318C2 (de) * 1997-07-15 2002-04-04 Klueber Lubrication Schmierfettzusammensetzung, Verfahren zur Herstellung derselben sowie deren Verwendung
JP4310286B2 (ja) 2004-03-31 2009-08-05 三菱重工業株式会社 潤滑油組成物
US7307049B1 (en) 2007-02-08 2007-12-11 Anderol, Inc. Antioxidants for synthetic lubricants and methods and manufacture
US8623796B2 (en) 2011-05-27 2014-01-07 Exxonmobil Research And Engineering Company Oil-in-oil compositions and methods of making
US20120302478A1 (en) 2011-05-27 2012-11-29 Exxonmobil Research And Engineering Company Method for producing a two phase lubricant composition

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2758086A (en) * 1952-06-28 1956-08-07 California Research Corp Lubricant composition
US2938871A (en) * 1956-12-24 1960-05-31 Exxon Research Engineering Co Aviation gas turbine lubricants
US3468802A (en) * 1965-11-24 1969-09-23 Mc Donnell Douglas Corp Corrosion inhibited hydraulic fluids
GB1180390A (en) * 1967-03-20 1970-02-04 British Petroleum Co Synthetic Lubricants for Aero Gas Turbines
FR1557534A (fr) * 1967-04-24 1969-02-14
US3701730A (en) * 1970-12-23 1972-10-31 Grace W R & Co Extreme pressure properties of synthetic lubricants
US3780145A (en) * 1971-02-19 1973-12-18 Ethyl Corp Triphenyl phosphates
US3790478A (en) * 1971-04-30 1974-02-05 British Petroleum Co Synthetic lubricant for aero gas turbines
US3790481A (en) * 1971-04-30 1974-02-05 British Petroleum Co Synthetic lubricants for aero gas turbines
US4064059A (en) * 1972-12-21 1977-12-20 Texaco Inc. Synthetic aircraft turbine oil
GB1469987A (en) * 1973-11-05 1977-04-14 Exxon Research Engineering Co Synthetic ester lubricant composition
US3931023A (en) * 1974-07-22 1976-01-06 Fmc Corporation Triaryl phosphate ester functional fluids
US4141845A (en) * 1977-06-28 1979-02-27 Texaco Inc. Synthetic aircraft turbine oil
US4179386A (en) * 1978-05-30 1979-12-18 Texaco Inc. Synthetic aircraft turbine oil

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US4440657A (en) 1984-04-03
FR2532323A1 (fr) 1984-03-02
GB8323297D0 (en) 1983-10-05
GB2126245A (en) 1984-03-21

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