EP2878657A4 - Poly(meth)acrylate viscosity index improver, and lubricating oil composition and lubricating oil additive containing said viscosity index improver - Google Patents

Poly(meth)acrylate viscosity index improver, and lubricating oil composition and lubricating oil additive containing said viscosity index improver

Info

Publication number
EP2878657A4
EP2878657A4 EP13823599.9A EP13823599A EP2878657A4 EP 2878657 A4 EP2878657 A4 EP 2878657A4 EP 13823599 A EP13823599 A EP 13823599A EP 2878657 A4 EP2878657 A4 EP 2878657A4
Authority
EP
European Patent Office
Prior art keywords
lubricating oil
viscosity index
index improver
meth
poly
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
EP13823599.9A
Other languages
German (de)
French (fr)
Other versions
EP2878657B1 (en
EP2878657A1 (en
Inventor
Shigeki Matsui
Hiroya Miyamoto
Hiromitsu Matsuda
Kazuo Tagawa
Akira Takagi
Ryuichi Ueno
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.)
Eneos Corp
Original Assignee
JX Nippon Oil and Energy 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
Priority claimed from JP2013142036A external-priority patent/JP6018982B2/en
Priority claimed from JP2013142014A external-priority patent/JP6018981B2/en
Application filed by JX Nippon Oil and Energy Corp filed Critical JX Nippon Oil and Energy Corp
Publication of EP2878657A1 publication Critical patent/EP2878657A1/en
Publication of EP2878657A4 publication Critical patent/EP2878657A4/en
Application granted granted Critical
Publication of EP2878657B1 publication Critical patent/EP2878657B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • 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
    • C10N2020/04—Molecular weight; Molecular weight distribution
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/02—Pour-point; Viscosity index
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/68—Shear stability
    • 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
    • C10N2040/25—Internal-combustion engines
EP13823599.9A 2012-07-24 2013-07-24 Poly(meth)acrylate viscosity index improver, and lubricating oil composition and lubricating oil additive containing said viscosity index improver Active EP2878657B1 (en)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
JP2012163624 2012-07-24
JP2012163622 2012-07-24
JP2012163619 2012-07-24
JP2013079830 2013-04-05
JP2013079828 2013-04-05
JP2013079832 2013-04-05
JP2013079829 2013-04-05
JP2013079816 2013-04-05
JP2013142036A JP6018982B2 (en) 2013-07-05 2013-07-05 Poly (meth) acrylate viscosity index improver, and lubricating oil additive and lubricating oil composition containing the viscosity index improver
JP2013142014A JP6018981B2 (en) 2013-07-05 2013-07-05 Poly (meth) acrylate viscosity index improver, and lubricating oil additive and lubricating oil composition containing the viscosity index improver
PCT/JP2013/070100 WO2014017558A1 (en) 2012-07-24 2013-07-24 Poly(meth)acrylate viscosity index improver, and lubricating oil composition and lubricating oil additive containing said viscosity index improver

Publications (3)

Publication Number Publication Date
EP2878657A1 EP2878657A1 (en) 2015-06-03
EP2878657A4 true EP2878657A4 (en) 2015-07-08
EP2878657B1 EP2878657B1 (en) 2018-06-13

Family

ID=49997367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13823599.9A Active EP2878657B1 (en) 2012-07-24 2013-07-24 Poly(meth)acrylate viscosity index improver, and lubricating oil composition and lubricating oil additive containing said viscosity index improver

Country Status (4)

Country Link
US (1) US20150203782A1 (en)
EP (1) EP2878657B1 (en)
CN (1) CN104411811A (en)
WO (1) WO2014017558A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6420964B2 (en) * 2014-03-31 2018-11-07 出光興産株式会社 Lubricating oil composition for internal combustion engines
WO2016043195A1 (en) 2014-09-17 2016-03-24 株式会社日本触媒 Viscosity index improver, process for producing same, and lubricating oil composition
TW201736410A (en) 2016-01-12 2017-10-16 可樂麗股份有限公司 (meth)acrylate polymer
WO2018056316A1 (en) 2016-09-21 2018-03-29 株式会社日本触媒 Viscosity index improver and lubricant oil composition
JPWO2019004162A1 (en) * 2017-06-30 2020-04-30 株式会社クラレ Methacrylic copolymer and solution containing it
CN111057606B (en) * 2018-10-16 2022-03-11 中国石油化工股份有限公司 Viscosity index improver and preparation method and application thereof
CN113150857A (en) * 2020-11-30 2021-07-23 大连同康新材料科技有限公司 Application of polymethacrylate as viscosity index improver of energy-saving hydraulic oil and energy-saving hydraulic oil
CN114369196B (en) * 2022-01-17 2024-04-02 新乡市瑞丰新材料股份有限公司 Polymethacrylate viscosity index improver and preparation method thereof

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WO2007127615A2 (en) * 2006-04-24 2007-11-08 The Lubrizol Corporation Star polymer lubricating composition
WO2007127660A1 (en) * 2006-04-24 2007-11-08 The Lubrizol Corporation Star polymer lubricating composition
US20120046207A1 (en) * 2005-04-06 2012-02-23 Evonik Rohmax Additives Gmbh Polyalkyl (meth)acrylate copolymers having outstanding properties
WO2012076676A1 (en) * 2010-12-10 2012-06-14 Evonik Rohmax Additives Gmbh A viscosity index improver comprising a polyalkyl(meth)acrylate polymer

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JPS5624493A (en) * 1979-08-06 1981-03-09 Nippon Oil Co Ltd Central system fluid composition for automobile
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CA2090200C (en) 1992-03-20 2005-04-26 Chung Y. Lai Ashless dispersant polymethacrylate polymers
US5312884A (en) 1993-04-30 1994-05-17 Rohm And Haas Company Copolymer useful as a pour point depressant for a lubricating oil
HUT69298A (en) 1993-07-23 1995-09-28 Rohm & Haas Method of making a copolymer useful as viscosity index improving additive for hydraulic fluids
JP3831203B2 (en) 2001-04-06 2006-10-11 三洋化成工業株式会社 Viscosity index improver and lubricating oil composition
US20040077509A1 (en) 2002-08-02 2004-04-22 Tsuyoshi Yuki Viscosity index improver and lube oil containing the same
JP4448311B2 (en) * 2002-10-11 2010-04-07 三洋化成工業株式会社 Viscosity index improver and lubricating oil composition
US20040176256A1 (en) * 2002-11-07 2004-09-09 Nippon Oil Corporation Lubricating oil composition for transmissions
EP2479249B1 (en) * 2003-02-21 2014-01-01 Nippon Oil Corporation Lubricating oil composition for transmissions
EP2343355B1 (en) 2003-10-16 2016-12-07 Nippon Oil Corporation Lubricating oil additive and lubricating oil composition
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US9404062B2 (en) * 2009-06-04 2016-08-02 Jx Nippon Oil & Energy Corporation Lubricant oil composition
JP5524596B2 (en) * 2009-12-18 2014-06-18 三洋化成工業株式会社 Viscosity index improver and lubricating oil composition
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US20120046207A1 (en) * 2005-04-06 2012-02-23 Evonik Rohmax Additives Gmbh Polyalkyl (meth)acrylate copolymers having outstanding properties
WO2007127615A2 (en) * 2006-04-24 2007-11-08 The Lubrizol Corporation Star polymer lubricating composition
WO2007127660A1 (en) * 2006-04-24 2007-11-08 The Lubrizol Corporation Star polymer lubricating composition
WO2012076676A1 (en) * 2010-12-10 2012-06-14 Evonik Rohmax Additives Gmbh A viscosity index improver comprising a polyalkyl(meth)acrylate polymer

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See also references of WO2014017558A1 *

Also Published As

Publication number Publication date
US20150203782A1 (en) 2015-07-23
EP2878657B1 (en) 2018-06-13
CN104411811A (en) 2015-03-11
WO2014017558A1 (en) 2014-01-30
EP2878657A1 (en) 2015-06-03

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