ZA955389B - Star polymer viscosity index improver for oil lubricating compositions - Google Patents

Star polymer viscosity index improver for oil lubricating compositions

Info

Publication number
ZA955389B
ZA955389B ZA955389A ZA955389A ZA955389B ZA 955389 B ZA955389 B ZA 955389B ZA 955389 A ZA955389 A ZA 955389A ZA 955389 A ZA955389 A ZA 955389A ZA 955389 B ZA955389 B ZA 955389B
Authority
ZA
South Africa
Prior art keywords
viscosity index
index improver
star polymer
lubricating compositions
polymer viscosity
Prior art date
Application number
ZA955389A
Other languages
English (en)
Inventor
Robert Barnett Rhodes
Craig Aldred Stevens
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of ZA955389B publication Critical patent/ZA955389B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F297/00Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
    • C08F297/02Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
    • C08F297/04Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
    • C08F297/046Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes polymerising vinyl aromatic monomers and isoprene, optionally with other conjugated dienes
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M143/00Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
    • C10M143/12Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing conjugated diene
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/04Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing aromatic monomers, e.g. styrene
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/06Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing conjugated dienes
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/02Bearings
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/08Hydraulic fluids, e.g. brake-fluids
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/25Internal-combustion engines
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/25Internal-combustion engines
    • C10N2040/251Alcohol fueled engines
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/25Internal-combustion engines
    • C10N2040/255Gasoline engines
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/25Internal-combustion engines
    • C10N2040/255Gasoline engines
    • C10N2040/28Rotary engines
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2070/00Specific manufacturing methods for lubricant compositions
    • C10N2070/02Concentrating of additives
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S525/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/901Radial block

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Lubricants (AREA)
  • Graft Or Block Polymers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
ZA955389A 1994-07-01 1995-06-29 Star polymer viscosity index improver for oil lubricating compositions ZA955389B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/269,724 US5458791A (en) 1994-07-01 1994-07-01 Star polymer viscosity index improver for oil compositions

Publications (1)

Publication Number Publication Date
ZA955389B true ZA955389B (en) 1996-02-09

Family

ID=23028417

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA955389A ZA955389B (en) 1994-07-01 1995-06-29 Star polymer viscosity index improver for oil lubricating compositions

Country Status (10)

Country Link
US (1) US5458791A (xx)
EP (1) EP0690082B1 (xx)
JP (1) JP4022270B2 (xx)
CN (1) CN1060786C (xx)
AU (1) AU694511B2 (xx)
BR (1) BR9503016A (xx)
CA (1) CA2152992C (xx)
DE (1) DE69500603T2 (xx)
ES (1) ES2106617T3 (xx)
ZA (1) ZA955389B (xx)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9908068B1 (pt) * 1998-02-19 2009-12-01 aperfeiçoador de ìndice de viscosidade de polìmero estrela para composições de óleo.
US7776804B2 (en) * 2005-03-16 2010-08-17 The Lubrizol Corporation Viscosity improver compositions providing improved low temperature characteristics to lubricating oil
AU2004225517B2 (en) * 2003-03-28 2009-06-04 The Lubrizol Corporation Viscosity improver compositions providing improved low temperature characteristics to lubricating oil
US7163913B2 (en) * 2003-07-01 2007-01-16 Infineum International Limited Viscosity index improvers for lubricating oil compositions
US20050209408A1 (en) * 2004-03-17 2005-09-22 Lee Hyung-Jae Star-shaped polymer, multiple star polymer and their preparation methods
US20070105731A1 (en) * 2005-11-04 2007-05-10 Chin Chu Lubricating oil compositions
CN101460598B (zh) * 2006-03-10 2013-03-20 科腾聚合物美国有限责任公司 用于润滑油的粘度指数改进剂
US20090156442A1 (en) * 2007-12-17 2009-06-18 Laurent Chambard Lubricant Compositions With Low HTHS for a Given SAE Viscosity Grade
RU2510986C2 (ru) * 2008-03-26 2014-04-10 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Композиция автомобильного топлива
US8999905B2 (en) 2010-10-25 2015-04-07 Afton Chemical Corporation Lubricant additive
US9133413B2 (en) * 2011-12-21 2015-09-15 Infineum International Limited Viscosity index improvers for lubricating oil compositions
WO2015129022A1 (ja) * 2014-02-28 2015-09-03 コスモ石油ルブリカンツ株式会社 エンジン油組成物
EP3143056B1 (en) * 2014-05-16 2021-01-13 Kraton Polymers U.S. LLC Polyalkenyl coupling agent and conjugated diene polymers prepared therefrom
CN104531265A (zh) * 2014-12-17 2015-04-22 宁波市蓝润能源科技有限公司 氢化苯乙烯异戊二烯共聚物用于制备粘度指数改进剂的应用
CN107663265B (zh) * 2017-08-24 2019-11-19 中国科学院长春应用化学研究所 一种非对称多聚星形聚合物及其制备方法和应用
CN109721694A (zh) * 2017-10-27 2019-05-07 中国石油化工股份有限公司 多嵌段共聚物及其制备方法和应用以及润滑剂组合物
FR3080383B1 (fr) * 2018-04-20 2020-11-20 Total Marketing Services Composition lubrifiante pour moteurs industriels a potentiel fe amplifie
EP4337749A1 (en) 2021-05-14 2024-03-20 ExxonMobil Chemical Patents Inc. Ethylene-propylene branched copolymers used as viscosity modifiers

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA716645A (en) 1965-08-24 Shell Oil Company Block polymers and process for preparing them
US3231635A (en) * 1963-10-07 1966-01-25 Shell Oil Co Process for the preparation of block copolymers
US3242038A (en) * 1964-08-11 1966-03-22 Shell Oil Co Laminates of polyalkenes and certain block copolymers
US3652732A (en) * 1968-11-05 1972-03-28 Exxon Research Engineering Co Solventless encapsulating block copolymers
USRE27145E (en) * 1969-05-20 1971-06-22 Side-chain
US3772196A (en) * 1971-12-03 1973-11-13 Shell Oil Co Lubricating compositions
BE794921A (fr) 1972-02-05 1973-08-02 Stamicarbon Solutions de resine melamine-formaldehyde
NL7312245A (nl) * 1973-09-06 1975-03-10 Stamicarbon Werkwijze voor het bereiden van alphamethylstyreen bevattende blokcopolymeren.
US3985830B1 (en) * 1974-07-15 1998-03-03 Univ Akron Star polymers and process for the preparation thereof
US4156673A (en) * 1976-02-10 1979-05-29 Shell Oil Company Hydrogenated star-shaped polymer
GB1575507A (en) * 1976-02-10 1980-09-24 Shell Int Research Hydrogenated star-shaped polymers and oil compositions thereof
US4141847A (en) * 1977-05-11 1979-02-27 Shell Oil Company Star-shaped polymer reacted with dicarboxylic acid and amine as dispersant viscosity index improver
US4427828A (en) * 1981-09-01 1984-01-24 The Firestone Tire & Rubber Company Impact resistant polymeric compositions containing polyamides, maleic anhydride adducts of hydrogenated polymers and graft copolymers thereof
US4578429A (en) * 1984-08-31 1986-03-25 Shell Oil Company Selectively hydrogenated block copolymers modified with acid compounds or derivatives
US4849481A (en) * 1987-07-10 1989-07-18 Shell Oil Company Star shaped asymmetric block copolymer of monoalkenyl aromatic hydrocarbon and conjugated diene
US4788361A (en) * 1987-10-30 1988-11-29 Shell Oil Company Polymeric viscosity index improver and oil composition comprising the same
US4921625A (en) * 1988-06-27 1990-05-01 Shell Oil Company Method for preparing functionalized block copolymers
US5073600A (en) * 1989-10-12 1991-12-17 Shell Oil Company Dispersant viscosity index improvers
DE69020099T2 (de) * 1989-10-26 1995-11-16 Shell Int Research Sternförmiges Polymer, seine Herstellung und dieses Polymer enthaltende Schmierölzusammensetzung.
US5218044A (en) * 1990-04-06 1993-06-08 Shell Oil Company Blends of modified radial polymers and engineering thermoplastic polymers
US5302667A (en) * 1990-04-16 1994-04-12 Shell Oil Company Asymmetrical radial polymer and composition of matter comprising the same
US5310490A (en) * 1991-03-13 1994-05-10 Exxon Chemical Products Inc. Viscosity modifer polymers

Also Published As

Publication number Publication date
AU2335595A (en) 1996-01-18
CA2152992C (en) 2006-05-02
JPH0848987A (ja) 1996-02-20
CN1120552A (zh) 1996-04-17
DE69500603T2 (de) 1998-01-15
EP0690082B1 (en) 1997-08-27
JP4022270B2 (ja) 2007-12-12
CN1060786C (zh) 2001-01-17
EP0690082A3 (en) 1996-05-22
DE69500603D1 (de) 1997-10-02
US5458791A (en) 1995-10-17
CA2152992A1 (en) 1996-01-02
BR9503016A (pt) 1996-05-28
EP0690082A2 (en) 1996-01-03
AU694511B2 (en) 1998-07-23
ES2106617T3 (es) 1997-11-01

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