EP0765372A1 - Low volatility luricating compositions - Google Patents
Low volatility luricating compositionsInfo
- Publication number
- EP0765372A1 EP0765372A1 EP95924212A EP95924212A EP0765372A1 EP 0765372 A1 EP0765372 A1 EP 0765372A1 EP 95924212 A EP95924212 A EP 95924212A EP 95924212 A EP95924212 A EP 95924212A EP 0765372 A1 EP0765372 A1 EP 0765372A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- oil
- multigrade
- copolymer
- hydrocarbon backbone
- olefin
- 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.)
- Granted
Links
Classifications
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- 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
- C10M169/048—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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- C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/087—Boron oxides, acids or salts
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- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
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- C10M2203/102—Aliphatic fractions
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- C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
- C10M2219/087—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
- C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
- C10M2219/087—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
- C10M2219/088—Neutral salts
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
- C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
- C10M2219/087—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
- C10M2219/089—Overbased salts
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/102—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon only in the ring
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
- C10M2219/106—Thiadiazoles
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
- C10M2219/108—Phenothiazine
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- 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
- C10M2223/045—Metal containing thio derivatives
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- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/06—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds
- C10M2223/065—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds containing sulfur
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
- C10M2227/061—Esters derived from boron
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
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- 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
- C10N2010/00—Metal present as such or in compounds
- C10N2010/02—Groups 1 or 11
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- C10N2010/04—Groups 2 or 12
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- C10N2010/12—Groups 6 or 16
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- C10N2010/14—Group 7
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
- C10N2040/255—Gasoline engines
- C10N2040/28—Rotary engines
Definitions
- Multigrade oils ususally also contain one or more viscosity modifiers (VM) which are longer chain polymers, which may be functionalised to provide other properties when they are known as multifunctional VMs (or MFVMs), but primarily act to improve the viscosity characteristics of the oil over the operating range.
- VM viscosity modifiers
- MFVMs multifunctional VMs
- the VM acts to increase viscosity at high temperature to provide more protection to the engine at high speeds, without unduly increasing viscosity at low temperatures which would otherwise make starting a cold engine difficult.
- One or more of the ligands may ⁇ -bond to the transition metal atom, which may be a Group 4, 5 or 6 transition metal and/or a lanthanide or actinide transition metal, with zirconium, titanium and hafnium being particularly preferred.
- the transition metal atom which may be a Group 4, 5 or 6 transition metal and/or a lanthanide or actinide transition metal, with zirconium, titanium and hafnium being particularly preferred.
- suitable viscosity modifiers are polyisobutylene, copolymers of ethylene and propylene and higher alpha- olefins, polymethacrylates, polyalkylmethacrylates, methacrylate copolymers, copolymers of an unsaturated dicarboxylic acid and a vinyl compound, inter polymers of styrene and acrylic esters, and partially hydrogenated copolymers of styrene/ isoprene, styrene/butadiene, and isoprene/butadiene, as well as the partially hydrogenated homopolymers of butadiene and isoprene and isoprene/divinylbenzene. 13
- the final formulations may employ from 2 to 15 mass % and preferably 5 to 10 mass %, typically about 7 to 8 mass % of the concentrate or additive package with the remainder being base oil.
- EBCO/PAM polyamine and borated
- BSRn basestock ratio for basestock n
Abstract
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9412065A GB9412065D0 (en) | 1994-06-16 | 1994-06-16 | Low volatility lubricating compositions |
GB9412066 | 1994-06-16 | ||
GB9412065 | 1994-06-16 | ||
GB9412066A GB9412066D0 (en) | 1994-06-16 | 1994-06-16 | Low volatility lubricating compositions |
PCT/EP1995/002272 WO1995034618A1 (en) | 1994-06-16 | 1995-06-12 | Low volatility luricating compositions |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0765372A1 true EP0765372A1 (en) | 1997-04-02 |
EP0765372B1 EP0765372B1 (en) | 2001-03-21 |
Family
ID=26305073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95924212A Expired - Lifetime EP0765372B1 (en) | 1994-06-16 | 1995-06-12 | Low volatility luricating compositions |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0765372B1 (en) |
AU (1) | AU689914B2 (en) |
CA (1) | CA2193120A1 (en) |
DE (1) | DE69520432T2 (en) |
ES (1) | ES2155522T3 (en) |
WO (1) | WO1995034618A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5558802A (en) * | 1995-09-14 | 1996-09-24 | Exxon Chemical Patents Inc | Multigrade crankcase lubricants with low temperature pumpability and low volatility |
WO1998021297A1 (en) * | 1996-11-13 | 1998-05-22 | Exxon Chemical Patents Inc. | Lubricating oil formulations with improved low temperature performance |
GB9716283D0 (en) * | 1997-08-01 | 1997-10-08 | Exxon Chemical Patents Inc | Lubricating oil compositions |
US6303550B1 (en) * | 1998-11-06 | 2001-10-16 | Infineum Usa L.P. | Lubricating oil composition |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4863624A (en) * | 1987-09-09 | 1989-09-05 | Exxon Chemical Patents Inc. | Dispersant additives mixtures for oleaginous compositions |
CA1333596C (en) * | 1986-10-16 | 1994-12-20 | Robert Dean Lundberg | High functionality low molecular weight oil soluble dispersant additives useful in oleaginous compositions |
US5229022A (en) * | 1988-08-01 | 1993-07-20 | Exxon Chemical Patents Inc. | Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives (PT-920) |
-
1995
- 1995-06-12 CA CA002193120A patent/CA2193120A1/en not_active Abandoned
- 1995-06-12 WO PCT/EP1995/002272 patent/WO1995034618A1/en active IP Right Grant
- 1995-06-12 AU AU28812/95A patent/AU689914B2/en not_active Ceased
- 1995-06-12 ES ES95924212T patent/ES2155522T3/en not_active Expired - Lifetime
- 1995-06-12 DE DE69520432T patent/DE69520432T2/en not_active Expired - Fee Related
- 1995-06-12 EP EP95924212A patent/EP0765372B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9534618A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0765372B1 (en) | 2001-03-21 |
ES2155522T3 (en) | 2001-05-16 |
DE69520432D1 (en) | 2001-04-26 |
DE69520432T2 (en) | 2001-07-05 |
CA2193120A1 (en) | 1995-12-21 |
WO1995034618A1 (en) | 1995-12-21 |
AU689914B2 (en) | 1998-04-09 |
AU2881295A (en) | 1996-01-05 |
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