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

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
    • C08F297/02—Macromolecular 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
    • C08F297/04—Macromolecular 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
    • C08F297/046—Macromolecular 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
    • 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
    • C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
    • C10M143/12—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing conjugated diene
    • 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
    • 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
    • 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
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/06—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing conjugated dienes
    • 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
    • C10N2040/02—Bearings
    • 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
    • C10N2040/08—Hydraulic fluids, e.g. brake-fluids
    • 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
    • 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
    • C10N2040/251—Alcohol-fuelled 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
    • 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
    • C10N2040/28—Rotary 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
    • C10N2070/00—Specific manufacturing methods for lubricant compositions
    • C10N2070/02—Concentrating of additives
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/901—Radial 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 (fr)
EP (1) EP0690082B1 (fr)
JP (1) JP4022270B2 (fr)
CN (1) CN1060786C (fr)
AU (1) AU694511B2 (fr)
BR (1) BR9503016A (fr)
CA (1) CA2152992C (fr)
DE (1) DE69500603T2 (fr)
ES (1) ES2106617T3 (fr)
ZA (1) ZA955389B (fr)

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.
EP1551945B1 (fr) * 2003-03-28 2016-07-13 The Lubrizol Corporation Compositions ameliorantes de la viscosite conferant de meilleures caracteristiques a basse temperature aux huiles lubrifiantes
US7776804B2 (en) * 2005-03-16 2010-08-17 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
RU2439130C2 (ru) * 2006-03-10 2012-01-10 КРЭЙТОН ПОЛИМЕРС Ю.Эс. ЭлЭлСи Добавка, улучшающая индекс вязкости, для смазочных масел
US20090156442A1 (en) * 2007-12-17 2009-06-18 Laurent Chambard Lubricant Compositions With Low HTHS for a Given SAE Viscosity Grade
CN105062582A (zh) * 2008-03-26 2015-11-18 国际壳牌研究有限公司 汽车燃料组合物
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
US9879201B2 (en) 2014-02-28 2018-01-30 Cosmo Oil Lubricants Co., Ltd. Engine oil composition
CN106414529B (zh) * 2014-05-16 2019-05-10 科腾聚合物美国有限责任公司 多链烯基偶联剂和由其制备的共轭二烯聚合物
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
JP2024518829A (ja) 2021-05-14 2024-05-07 エクソンモービル ケミカル パテンツ，インコーポレイティド 粘度調整剤として使用されるエチレン－プロピレン分岐コポリマー

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
GB1575507A (en) * 1976-02-10 1980-09-24 Shell Int Research Hydrogenated star-shaped polymers and oil compositions thereof
US4156673A (en) * 1976-02-10 1979-05-29 Shell Oil Company Hydrogenated star-shaped polymer
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
ES2073514T3 (es) * 1989-10-26 1995-08-16 Shell Int Research Polimero con forma de estrella, su preparacion y composiciones lubricantes que lo contienen.
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
CA2152992A1 (fr) 1996-01-02
ES2106617T3 (es) 1997-11-01
AU2335595A (en) 1996-01-18
EP0690082A3 (fr) 1996-05-22
CN1060786C (zh) 2001-01-17
DE69500603D1 (de) 1997-10-02
DE69500603T2 (de) 1998-01-15
US5458791A (en) 1995-10-17
EP0690082B1 (fr) 1997-08-27
EP0690082A2 (fr) 1996-01-03
CN1120552A (zh) 1996-04-17
CA2152992C (fr) 2006-05-02
BR9503016A (pt) 1996-05-28
AU694511B2 (en) 1998-07-23
JPH0848987A (ja) 1996-02-20
JP4022270B2 (ja) 2007-12-12

Similar Documents

Publication Publication Date Title
ZA955389B (en) Star polymer viscosity index improver for oil lubricating compositions
DE69614323D1 (de) Dispergier- und Viskositätsverbesserer für Schmierölzusammensetzungen
SG64431A1 (en) Viscosity index improving additives for phosphate ester-containing hydraulic fluids
SG54227A1 (en) Lubricating oil compositions
AU1824695A (en) Viscosity index improver and lubricating oil
EP0781834A3 (fr) Composition d'huile lubrifiante
DE69909265D1 (de) Sternformiges polymer als viskositätsindexverbesser für ölzusammensetzungen
SG63672A1 (en) Lubricating oil composition
DE69606338D1 (de) Dispergier- und Viskositätsverbesserer für Schmierölzusammensetzungen
DE69607777D1 (de) Dispergier- und Viskositätsverbesserer für Schmierölzusammensetzungen
GB9503993D0 (en) Lubricating oil compositions
DE69919611D1 (de) Viskositätsindexverbesserer für Schmierölzusammensetzungen
EP0711790A3 (fr) Additif dispersant améliorant l'indice de viscosité pour huiles lubrifiantes
ZA956634B (en) Asymmetric triblock copolymer viscosity index improver for oil compositions
KR950700392A (ko) 윤활유를 위한 전단-안정성 점도 개질제(Shear-stable viscosity improver for lubricating oils)
AU2881395A (en) Multigrade lubricating compositions containing no viscosity modifier
GB9504914D0 (en) Lubricating oil compositions
SG30412A1 (en) Star polymer viscosity index improver for oil lubricating compositions
GB9621262D0 (en) Lubricity additives for fuel oil compositions
GB9319648D0 (en) Lubricating oil compositions
AU3255195A (en) Improved lubricating oil compositions
AU6683390A (en) Lube oil additive package containing viscosity index improver
SG32449A1 (en) Asymmetric triblock copolymer viscosity index improver for oil compositions
DE69309525D1 (de) Viskositätsindexverbessererzusammensetzung für Schmieröl
AU7646196A (en) Shear-stable viscosity improver for lubricating oils