CA2237538A1 - Automatic transmission fluid having low brookfield viscosity and high shear stability - Google Patents

Automatic transmission fluid having low brookfield viscosity and high shear stability

Info

Publication number
CA2237538A1
CA2237538A1 CA002237538A CA2237538A CA2237538A1 CA 2237538 A1 CA2237538 A1 CA 2237538A1 CA 002237538 A CA002237538 A CA 002237538A CA 2237538 A CA2237538 A CA 2237538A CA 2237538 A1 CA2237538 A1 CA 2237538A1
Authority
CA
Canada
Prior art keywords
high shear
shear stability
brookfield viscosity
automatic transmission
transmission fluid
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
Application number
CA002237538A
Other languages
French (fr)
Other versions
CA2237538C (en
Inventor
Albert Gordon Alexander
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
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2237538A1 publication Critical patent/CA2237538A1/en
Application granted granted Critical
Publication of CA2237538C publication Critical patent/CA2237538C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • C10M157/00—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential
    • C10M157/04—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential at least one of them being a nitrogen-containing compound
    • 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
    • C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M145/10—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
    • C10M145/12—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate monocarboxylic
    • C10M145/14—Acrylate; Methacrylate
    • 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
    • C10M169/02—Mixtures of base-materials and thickeners
    • 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
    • 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
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
    • 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
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • 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
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/022—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amino group
    • 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
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • 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
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/042—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for automatic transmissions
    • 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
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/044—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for manual transmissions
    • 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
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/046—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for traction drives

Abstract

An automatic transmission fluid of low Brookfield viscosity and high shear stability is disclosed which contains a base oil of lubricating viscosity and a combination of a poly alkyl (meth) acrylate viscosity index improver of low Brookfield viscosity and high shear stability and a functionalized poly alkyl (meth) acrylate viscosity index improver with dispersant properties of high Brookfield viscosity and high shear stability.
CA002237538A 1997-07-03 1998-06-11 Automatic transmission fluid having low brookfield viscosity and high shear stability Expired - Fee Related CA2237538C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US888,206 1997-07-03
US08/888,206 US5807815A (en) 1997-07-03 1997-07-03 Automatic transmission fluid having low Brookfield viscosity and high shear stability

Publications (2)

Publication Number Publication Date
CA2237538A1 true CA2237538A1 (en) 1999-01-03
CA2237538C CA2237538C (en) 2007-08-14

Family

ID=25392741

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002237538A Expired - Fee Related CA2237538C (en) 1997-07-03 1998-06-11 Automatic transmission fluid having low brookfield viscosity and high shear stability

Country Status (4)

Country Link
US (1) US5807815A (en)
EP (1) EP0889114A1 (en)
CA (1) CA2237538C (en)
SG (1) SG60222A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999010454A2 (en) 1997-08-22 1999-03-04 Röhm RohMax Holding GmbH Mixtures of high- and low-molecular weight poymeric additives for the improvement of the low-temperature fluidity of lubricating oils
US6133210A (en) * 1998-06-30 2000-10-17 The Lubrizol Corporation Homogeneous additive concentrates for preparing lubricating oil compositions
US20050043192A1 (en) * 2003-08-22 2005-02-24 Alexander Albert Gordon Shear stable functional fluid with low brookfield viscosity
US20050261142A1 (en) * 2004-05-18 2005-11-24 The Lubrizol Corporation, A Corporation Of The State Of Ohio Polymeric dispersant viscosity modifier composition
GB0517471D0 (en) * 2005-08-26 2005-10-05 Reckitt Benckiser Uk Ltd Surface treatment process and applicator
JP5829374B2 (en) * 2009-06-04 2015-12-09 Ｊｘ日鉱日石エネルギー株式会社 Lubricating oil composition

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3304260A (en) * 1960-12-30 1967-02-14 Monsanto Co Compositions of improved viscosity index containing alkyl polymethacrylate of high relative syndiotacticity
US4036768A (en) * 1976-06-14 1977-07-19 Texaco Inc. Polymethacrylate and lube composition thereof
US4036766A (en) * 1976-06-14 1977-07-19 Texaco Inc. Polymethacrylate additives and lube compositions thereof
DE3339103A1 (en) * 1983-10-28 1985-05-09 Röhm GmbH, 6100 Darmstadt ADDITIVES FOR LUBRICANTS
JPS619497A (en) * 1984-06-25 1986-01-17 Nippon Oil Co Ltd Oil composition for automatic transmission
US4957650A (en) * 1985-06-07 1990-09-18 Exxon Chemical Patents Inc. Lubricating oil composition containing dual additive combination for low temperature viscosity improvement
US4668412A (en) * 1985-06-27 1987-05-26 Texaco Inc. Lubricating oil containing dispersant VII and pour depressant
US4606834A (en) * 1985-09-10 1986-08-19 Texaco Inc. Lubricating oil containing VII pour depressant
DE3544061A1 (en) * 1985-12-13 1987-06-19 Roehm Gmbh HIGHLY STABLE MULTI-RANGE LUBRICANTS WITH IMPROVED VISCOSITY INDEX
US4699723A (en) * 1986-08-20 1987-10-13 Texaco Inc. Dispersant-antioxidant multifunction viscosity index improver
US4790948A (en) * 1986-10-14 1988-12-13 Texaco Inc. Lubricating oil containing dispersant viscosity index improver
US4767553A (en) * 1986-12-24 1988-08-30 Texaco Inc. Lubricating oil containing dispersant viscosity index improver
US4795577A (en) * 1986-12-29 1989-01-03 Texaco Inc. Lubricating oil containing dispersant viscosity index improver
US4904404A (en) * 1987-08-12 1990-02-27 Texaco Inc. Lubricating oil containing viscosity index improver
US4812261A (en) * 1987-08-12 1989-03-14 Texaco Inc. Lubricating oil containing viscosity index improver
FR2622891B1 (en) * 1987-11-05 1990-02-02 Elf Aquitaine
US4863623A (en) * 1988-03-24 1989-09-05 Texaco Inc. Novel VI improver, dispersant, and anti-oxidant additive and lubricating oil composition containing same
CA2013891C (en) * 1989-04-18 2003-01-14 Joseph M. Bollinger Dispersant polymethacrylate viscosity index improvers
US5013470A (en) * 1989-10-10 1991-05-07 Texaco Inc. Antioxidant VII lubricant additive
US5013468A (en) * 1989-10-10 1991-05-07 Texaco Inc. Dispersant/antioxidant VII lubricant additive
DE4000753A1 (en) * 1990-01-12 1991-07-18 Roehm Gmbh POWER TRANSFER FLUID BASED ON MINERAL OIL
EP0439254A3 (en) * 1990-01-23 1992-02-12 Rohm And Haas Company Dispersant polymethacrylate viscosity index improvers
JP2748104B2 (en) * 1994-03-08 1998-05-06 三洋化成工業株式会社 Viscosity index improver and lubricating oil
JPH07286189A (en) * 1994-04-18 1995-10-31 Sanyo Chem Ind Ltd Lubricating oil additive and lubricating oil
JP2769974B2 (en) * 1994-04-22 1998-06-25 三洋化成工業株式会社 Lubricating oil additives and lubricating oils
DE69431710T2 (en) * 1994-06-06 2003-07-24 Sanyo Chemical Ind Ltd Gear and power transmission lubricant compositions with improved slurry dispersing properties.
JP2754341B2 (en) * 1994-08-10 1998-05-20 三洋化成工業株式会社 New viscosity index improver
JP2906026B2 (en) * 1994-11-02 1999-06-14 三洋化成工業株式会社 New viscosity index improver and lubricating oil
JP2906024B2 (en) * 1994-12-06 1999-06-14 三洋化成工業株式会社 Lubricant
JP2754342B2 (en) * 1994-08-11 1998-05-20 三洋化成工業株式会社 New viscosity index improver
JP2754343B2 (en) * 1994-08-11 1998-05-20 三洋化成工業株式会社 New viscosity index improver
US5520832A (en) * 1994-10-28 1996-05-28 Exxon Research And Engineering Company Tractor hydraulic fluid with wide temperature range (Law180)
US5641733A (en) * 1995-07-17 1997-06-24 Exxon Chemical Patents Inc. Automatic transmission fluids of improved viscometric properties
US5641732A (en) * 1995-07-17 1997-06-24 Exxon Chemical Patents Inc. Automatic transmission fluids of improved viscometric properties
US5646099A (en) * 1995-07-17 1997-07-08 Exxon Chemical Patents Inc. Automatic transmission fluids of improved viscometric properties

Also Published As

Publication number Publication date
EP0889114A1 (en) 1999-01-07
US5807815A (en) 1998-09-15
SG60222A1 (en) 1999-02-22
CA2237538C (en) 2007-08-14

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20160613