ATE298780T1 - Vikositätsveränderer für schmieröle und schmierölzusammensetzung - Google Patents

Vikositätsveränderer für schmieröle und schmierölzusammensetzung

Info

Publication number
ATE298780T1
ATE298780T1 AT99959693T AT99959693T ATE298780T1 AT E298780 T1 ATE298780 T1 AT E298780T1 AT 99959693 T AT99959693 T AT 99959693T AT 99959693 T AT99959693 T AT 99959693T AT E298780 T1 ATE298780 T1 AT E298780T1
Authority
AT
Austria
Prior art keywords
range
lubricating oil
ethylene
lubricant
modifier
Prior art date
Application number
AT99959693T
Other languages
English (en)
Inventor
Keiji Okada
Ryousuke Kaneshige
Original Assignee
Mitsui Chemicals Inc
Lubrizol Corp
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 Mitsui Chemicals Inc, Lubrizol Corp filed Critical Mitsui Chemicals Inc
Application granted granted Critical
Publication of ATE298780T1 publication Critical patent/ATE298780T1/de

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
    • C10M119/00—Lubricating compositions characterised by the thickener being a macromolecular compound
    • C10M119/02—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
    • 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
    • C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
    • 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
    • C10M143/02—Polyethene
    • 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
    • C10M143/04—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing propene
    • 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
    • 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
    • C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
    • 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
    • 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
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/022—Ethene
    • 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
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/024—Propene
    • 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)
AT99959693T 1998-12-09 1999-12-08 Vikositätsveränderer für schmieröle und schmierölzusammensetzung ATE298780T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP35027998 1998-12-09
JP35028098 1998-12-09
PCT/JP1999/006868 WO2000034420A1 (en) 1998-12-09 1999-12-08 Viscosity modifier for lubricating oil and lubricating oil composition

Publications (1)

Publication Number Publication Date
ATE298780T1 true ATE298780T1 (de) 2005-07-15

Family

ID=26579168

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99959693T ATE298780T1 (de) 1998-12-09 1999-12-08 Vikositätsveränderer für schmieröle und schmierölzusammensetzung

Country Status (9)

Country Link
US (1) US6525007B2 (de)
EP (1) EP1148115B1 (de)
JP (1) JP4427669B2 (de)
KR (1) KR100615474B1 (de)
CN (1) CN1159419C (de)
AT (1) ATE298780T1 (de)
BR (1) BR9916013B1 (de)
DE (1) DE69926015T2 (de)
WO (1) WO2000034420A1 (de)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100662062B1 (ko) * 1999-03-30 2006-12-27 미쓰이 가가쿠 가부시키가이샤 윤활유용 점도 조정제 및 윤활유 조성물
BR0106323B1 (pt) 2000-05-10 2011-09-06 modificador de viscosidade para óleo lubrificante e composições de óleo lubrificante.
JP5288675B2 (ja) * 2000-07-31 2013-09-11 ザ ルブリゾル コーポレイション 潤滑油のための粘度改良剤として有用な重合体混合物
JP2002356693A (ja) * 2001-05-29 2002-12-13 Mitsui Chemicals Inc 潤滑油組成物
JP4606644B2 (ja) * 2001-05-29 2011-01-05 三井化学株式会社 潤滑油用粘度調整剤および潤滑油組成物
JP4717264B2 (ja) * 2001-05-31 2011-07-06 三井化学株式会社 潤滑油用粘度指数向上剤および潤滑油組成物
JP5248728B2 (ja) * 2001-09-27 2013-07-31 三井化学株式会社 潤滑油粘度調整剤および潤滑油組成物
EP1546292B1 (de) * 2002-10-01 2009-01-14 The Lubrizol Corporation Herstellung von Schmiermitteln aus Metallhydroxid enthaltenden entwässerten Emulsionen
CN1333057C (zh) * 2002-11-12 2007-08-22 三井化学株式会社 润滑油组合物和适用于内燃机的润滑油
AU2003277670A1 (en) * 2002-11-12 2004-06-03 Mitsui Chemicals, Inc. Lubricating oil composition and internal combustion engine oil
US7776804B2 (en) 2005-03-16 2010-08-17 The Lubrizol Corporation Viscosity improver compositions providing improved low temperature characteristics to lubricating oil
JP4840925B2 (ja) * 2003-03-28 2011-12-21 ザ ルブリゾル コーポレイション 改良された低温特性を潤滑油に賦与する粘性改良剤組成物
JP4540963B2 (ja) * 2003-10-20 2010-09-08 三井化学株式会社 潤滑油用粘度調整剤および潤滑油組成物
JP4620966B2 (ja) * 2004-04-26 2011-01-26 三井化学株式会社 駆動系潤滑油組成物
EP1795580B1 (de) 2004-09-10 2013-02-13 Mitsui Chemicals, Inc. Viskositätsmodifikator für schmieröle, additivzusammensetzung für schmieröle und schmierölzusammensetzungen
US20070191242A1 (en) * 2004-09-17 2007-08-16 Sanjay Srinivasan Viscosity modifiers for lubricant compositions
JPWO2006101206A1 (ja) * 2005-03-25 2008-09-04 三井化学株式会社 動力伝達系用潤滑油の粘度調整剤および動力伝達系用潤滑油組成物
JP4749747B2 (ja) * 2005-03-25 2011-08-17 三井化学株式会社 潤滑油用粘度調整剤
WO2008047878A1 (fr) * 2006-10-20 2008-04-24 Mitsui Chemicals, Inc. Copolymère, modificateur de viscosité d'huile lubrifiante et composition d'huile lubrifiante
US20120028865A1 (en) * 2010-07-28 2012-02-02 Sudhin Datta Viscosity Modifiers Comprising Blends of Ethylene-Based Copolymers
US8378042B2 (en) * 2009-04-28 2013-02-19 Exxonmobil Chemical Patents Inc. Finishing process for amorphous polymers
US9045574B2 (en) 2009-09-28 2015-06-02 Mitsui Chemicals, Inc. Viscosity modifier for lubricating oils, additive composition for lubricating oils, and lubricating oil composition
US8415284B2 (en) * 2009-11-05 2013-04-09 Afton Chemical Corporation Olefin copolymer VI improvers and lubricant compositions and uses thereof
EP2526133B1 (de) 2010-01-22 2015-04-22 ExxonMobil Chemical Patents Inc. Ethylencopolymere, herstellungsverfahren und verwendung
EP2837676B1 (de) * 2012-04-12 2020-07-01 Mitsui Chemicals, Inc. Schmiermittelzusammensetzung
KR20200096701A (ko) * 2013-07-09 2020-08-12 다우 글로벌 테크놀로지스 엘엘씨 개선된 펠렛 유동능을 갖는 에틸렌/알파-올레핀 인터폴리머
ES2690644T3 (es) 2013-07-11 2018-11-21 Mitsui Chemicals, Inc. Material de amortiguación de vibraciones y composición de polímero
FR3011246A1 (fr) * 2013-09-27 2015-04-03 Total Marketing Services Composition lubrifiante a base de copolymeres ethylene/propylene
CN106459813A (zh) * 2014-03-19 2017-02-22 路博润公司 含聚合物共混物的润滑剂
CA2942722C (en) 2014-03-28 2019-01-22 Mitsui Chemicals, Inc. Ethylene-alpha-olefin copolymers as viscosity modifiers
EP3375849A4 (de) 2015-11-09 2019-06-26 Mitsui Chemicals, Inc. Viskositätsmodifikator für schmieröle, additivzusammensetzung für schmieröle und schmierölzusammensetzungen
WO2017205774A1 (en) 2016-05-27 2017-11-30 Cornell University Polyethylene and polypropylene block copolymers
EP3484984B1 (de) * 2016-07-14 2022-08-03 ExxonMobil Chemical Patents Inc. Schmierölzusammensetzungen mit dualmetallocenkatalysierten bimodalen copolymerzusammensetzungen als viskositätsmodifikatoren
WO2018044275A1 (en) 2016-08-30 2018-03-08 Dow Global Technologies Llc Ethylene/c3-c6 alpha-olefin interpolymers with improved pellet flowability
US11162050B2 (en) 2016-12-27 2021-11-02 Mitsui Chemicals, Inc. Lubricating oil composition, viscosity modifier for lubricating oil, and additive composition for lubricating oil
EP3714025A1 (de) 2017-11-21 2020-09-30 ExxonMobil Chemical Patents Inc. Bimodale copolymerzusammensetzungen verwendbar als ölmodifikatoren
KR102736533B1 (ko) 2017-12-13 2024-12-04 셰브런 오로나이트 컴퍼니 엘엘씨 오일 조절제로서 유용한 이원 공중합체 조성물 및 이들을 포함하는 윤활유
WO2019203210A1 (ja) 2018-04-17 2019-10-24 三井化学株式会社 潤滑油組成物および潤滑油用粘度調整剤
US11926685B2 (en) * 2018-09-28 2024-03-12 Dow Global Technologies Llc Tetra-functional long-chain branched ethylene-based polymers
US20220169939A1 (en) 2019-03-26 2022-06-02 Mitsui Chemicals, Inc. Lubricating oil and method for producing the same
ES2985405T3 (es) 2019-03-26 2024-11-05 Mitsui Chemicals Inc Composición de aceite lubricante para engranajes industriales y método para producir la misma
WO2020194543A1 (ja) 2019-03-26 2020-10-01 三井化学株式会社 内燃機関用潤滑油組成物およびその製造方法
KR20210139401A (ko) 2019-03-26 2021-11-22 미쓰이 가가쿠 가부시키가이샤 윤활유 조성물 및 그의 제조 방법
CN113574148A (zh) 2019-03-26 2021-10-29 三井化学株式会社 内燃机用润滑油组合物及其制造方法
KR102580620B1 (ko) 2019-03-29 2023-09-19 미쓰이 가가쿠 가부시키가이샤 수지 조성물
JP7219663B2 (ja) * 2019-04-16 2023-02-08 三井化学株式会社 潤滑油用粘度調整剤および潤滑油組成物
WO2021039818A1 (ja) 2019-08-29 2021-03-04 三井化学株式会社 潤滑油組成物
WO2021070811A1 (ja) 2019-10-07 2021-04-15 三井化学株式会社 エチレン・α－オレフィン共重合体組成物およびその用途
CN113024702B (zh) * 2019-12-25 2023-02-24 中国石油天然气股份有限公司 乙烯-α-烯烃共聚物、其制备方法及含有其的润滑油粘度指数改进剂
JP7341256B2 (ja) 2020-01-30 2023-09-08 三井化学株式会社 ポリアミド組成物
KR20220161935A (ko) 2021-05-31 2022-12-07 에스케이이노베이션 주식회사 Epdm 공중합체 및 이의 제조방법
KR20230161518A (ko) 2021-07-20 2023-11-27 미쓰이 가가쿠 가부시키가이샤 윤활유용 점도 조정제 및 작동유용 윤활유 조성물
EP4435047A1 (de) 2021-11-16 2024-09-25 Mitsui Chemicals, Inc. Harzzusammensetzung und verwendung davon
IT202200025956A1 (it) 2022-12-19 2024-06-19 Versalis Spa Additivi miglioratori dell’indice di viscosita’ di oli lubrificanti e procedimento per la loro preparazione.

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1205243A (en) 1966-09-23 1970-09-16 Du Pont Oil compositions
US3551336A (en) 1969-06-30 1970-12-29 Exxon Research Engineering Co Lubricant containing ethylene-alpha-olefin polymer
NL170019C (nl) 1970-06-02 Exxon Research Engineering Co Werkwijze ter bereiding van een smeeroliemengsel.
US4146492A (en) * 1976-04-02 1979-03-27 Texaco Inc. Lubricant compositions which exhibit low degree of haze and methods of preparing same
US4933099A (en) * 1979-01-09 1990-06-12 Exxon Research And Engineering Company Oil compositions containing ethylene copolymers
DE3270823D1 (en) * 1981-01-13 1986-06-05 Mitsui Petrochemical Ind Novel ethylene/alpha-olefin copolymer
US4959436A (en) * 1983-06-15 1990-09-25 Exxon Research And Engineering Co. Narrow MWD alpha-olefin copolymers
US4540753A (en) * 1983-06-15 1985-09-10 Exxon Research & Engineering Co. Narrow MWD alpha-olefin copolymers
US4507515A (en) 1983-12-21 1985-03-26 Exxon Research & Engineering Co. Lubricating oil compositions containing ethylene-alpha-olefin polymers of controlled sequence distribution and molecular heterogeneity
US4666619A (en) 1984-12-17 1987-05-19 Exxon Research & Engineering Co. Ethylene polymer useful as a lubricating oil viscosity modifier E-25
DE3678024D1 (de) * 1985-03-26 1991-04-18 Mitsui Petrochemical Ind Fluessiges statisches ethylencopolymer, verfahren zur herstellung und anwendung desselben.
JPH086113B2 (ja) * 1986-07-11 1996-01-24 三井石油化学工業株式会社 作動油
US5328624A (en) * 1987-06-16 1994-07-12 Exxon Chemical Patents Inc. Stabilized grafted ethylene copolymer additive useful in oil compositions
US4804794A (en) * 1987-07-13 1989-02-14 Exxon Chemical Patents Inc. Viscosity modifier polymers
US5218071A (en) * 1988-12-26 1993-06-08 Mitsui Petrochemical Industries, Ltd. Ethylene random copolymers
US4963279A (en) 1989-02-28 1990-10-16 Exxon Chemical Patents Inc. C14-carboxylate polymer and viscosity index improver containing oleaginous compositions
US5068047A (en) 1989-10-12 1991-11-26 Exxon Chemical Patents, Inc. Visosity index improver
US5151204A (en) * 1990-02-01 1992-09-29 Exxon Chemical Patents Inc. Oleaginous compositions containing novel ethylene alpha-olefin polymer viscosity index improver additive
US5094766A (en) * 1990-07-02 1992-03-10 Texaco Inc. Dispersant-antioxidant viscosity index improver
US5217636A (en) * 1992-03-10 1993-06-08 Albright & Wilson Americas Inc. Lubricating oil viscosity index improver composition
JPH0696624A (ja) 1992-09-11 1994-04-08 Furukawa Electric Co Ltd:The 水密性絶縁電線
CA2127918A1 (en) * 1993-08-02 1995-02-03 Maria Magdalena Kapuscinski Dimensionally stable solid polymer blend and a lubricating oil composition containing same
US5641736A (en) * 1995-09-28 1997-06-24 Mobil Oil Corporation Synergistic pour point depressant combinations and hydrocarbon lube mixtures
IT1290848B1 (it) 1996-12-12 1998-12-14 Additivi Per Carburanti Srl So Copolimeri etilene/alfa-olefine
WO1998033872A1 (en) 1997-01-31 1998-08-06 Mitsui Chemicals, Inc. Lubricating oil or lubricating oil composition and fuel oil composition
US6124513A (en) * 1997-06-20 2000-09-26 Pennzoil-Quaker State Company Ethylene-alpha-olefin polymers, processes and uses
US6110880A (en) * 1997-06-24 2000-08-29 Exxon Chemical Patents Inc Polyolefin block copolymer viscosity modifier

Also Published As

Publication number Publication date
DE69926015D1 (de) 2005-08-04
DE69926015T2 (de) 2006-05-18
CN1329656A (zh) 2002-01-02
WO2000034420A1 (en) 2000-06-15
CN1159419C (zh) 2004-07-28
BR9916013A (pt) 2001-12-18
BR9916013B1 (pt) 2011-11-01
US20020055445A1 (en) 2002-05-09
JP4427669B2 (ja) 2010-03-10
KR100615474B1 (ko) 2006-08-25
KR20010112228A (ko) 2001-12-20
US6525007B2 (en) 2003-02-25
EP1148115B1 (de) 2005-06-29
EP1148115A4 (de) 2002-05-29
EP1148115A1 (de) 2001-10-24

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