CN101815779B - 包含酯基的聚合物作为抗疲劳添加剂的用途 - Google Patents

包含酯基的聚合物作为抗疲劳添加剂的用途 Download PDF

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Publication number
CN101815779B
CN101815779B CN2008801008906A CN200880100890A CN101815779B CN 101815779 B CN101815779 B CN 101815779B CN 2008801008906 A CN2008801008906 A CN 2008801008906A CN 200880100890 A CN200880100890 A CN 200880100890A CN 101815779 B CN101815779 B CN 101815779B
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weight
ester
segment
purposes
vinyl
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Chinese (zh)
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CN101815779A (zh
Inventor
T·斯多尔
M·米勒
T·巴特尔斯
C·温希尔兹
K·施莫塞克
M·纽西厄斯
D·詹森
M-K·斯蒂赫尔卡
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Evonik Operations GmbH
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Evonik Rohmax Additives GmbH
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    • 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
    • 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
    • C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
    • C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
    • 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
    • C08F293/00—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
    • C08F293/005—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule using free radical "living" or "controlled" polymerisation, e.g. using a complexing agent
    • 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
    • C10M149/00—Lubricating compositions characterised by the additive being a macromolecular compound containing nitrogen
    • C10M149/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M149/10—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a nitrogen-containing hetero ring
    • 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
    • C08F2438/00—Living radical polymerisation
    • C08F2438/01—Atom Transfer Radical Polymerization [ATRP] or reverse ATRP
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/028—Overbased salts thereof
    • 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
    • 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
    • C10M2217/023—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 the amino group containing an ester bond
    • 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
    • C10M2225/00—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2225/02—Macromolecular compounds from phosphorus-containg monomers, obtained by reactions involving only 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic 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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CN2008801008906A 2007-08-06 2008-06-20 包含酯基的聚合物作为抗疲劳添加剂的用途 Active CN101815779B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007036856.0 2007-08-06
DE102007036856A DE102007036856A1 (de) 2007-08-06 2007-08-06 Verwendung von Estergruppen-umfassenden Polymeren als Antifatigue-Additive
PCT/EP2008/057828 WO2009019065A2 (de) 2007-08-06 2008-06-20 Verwendung von estergruppen-umfassenden polymeren als antifatigue-additive

Publications (2)

Publication Number Publication Date
CN101815779A CN101815779A (zh) 2010-08-25
CN101815779B true CN101815779B (zh) 2013-12-11

Family

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CN2008801008906A Active CN101815779B (zh) 2007-08-06 2008-06-20 包含酯基的聚合物作为抗疲劳添加剂的用途

Country Status (11)

Country Link
US (1) US8859472B2 (enExample)
EP (1) EP2176390A2 (enExample)
JP (1) JP5641933B2 (enExample)
KR (1) KR101520122B1 (enExample)
CN (1) CN101815779B (enExample)
BR (1) BRPI0815137A2 (enExample)
CA (1) CA2695835A1 (enExample)
DE (1) DE102007036856A1 (enExample)
MX (1) MX2010001458A (enExample)
RU (1) RU2515994C2 (enExample)
WO (1) WO2009019065A2 (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004018094A1 (de) * 2004-04-08 2005-11-03 Rohmax Additives Gmbh Polymere mit H-Brücken bildenden Funktionalitäten zur Verbesserung des Verschleißschutzes
DE102005015931A1 (de) 2005-04-06 2006-10-12 Rohmax Additives Gmbh Polyalkyl(meth) acrylat-Copolymere mit hervorragenden Eigenschaften
KR20100044164A (ko) * 2007-07-12 2010-04-29 에보니크 로막스 아디티페스 게엠베하 연속적으로 변동가능한 조성의 공중합체를 제조하는 개선된 방법
DE102009001447A1 (de) * 2009-03-10 2010-09-16 Evonik Rohmax Additives Gmbh Verwendung von Kammpolymeren zur Verbesserung des Lasttragevermögens
DE102009001446A1 (de) * 2009-03-10 2010-09-23 Evonik Rohmax Additives Gmbh Verwendung von Kammpolymeren als Antifatigue-Additive
RU2576401C2 (ru) 2009-06-12 2016-03-10 Эвоник РоМакс Эддитивс ГмбХ Смазочный материал с улучшенным индексом вязкости и способ его получения
JP5466555B2 (ja) * 2010-03-25 2014-04-09 出光興産株式会社 冷凍機用潤滑油組成物
DE102010038615A1 (de) 2010-07-29 2012-02-02 Evonik Rohmax Additives Gmbh Polyalkyl(meth)acrylat zur Verbesserung von Schmieröleigenschaften
DE102011005493A1 (de) 2011-03-14 2012-09-20 Evonik Rohmax Additives Gmbh Estergruppen-umfassende Copolymere und deren Verwendung in Schmiermitteln
DE102011075969A1 (de) 2011-05-17 2012-11-22 Evonik Rohmax Additives Gmbh Reibungsverbessernde Polymere für DLC-beschichtete Oberflächen
DE102011076364A1 (de) * 2011-05-24 2012-11-29 Evonik Rohmax Additives Gmbh Schmiermittelzusammensetzung mit phosphatfunktionalisierten Polymeren
DE102011103215A1 (de) 2011-06-01 2012-12-06 KLüBER LUBRICATION MüNCHEN KG Verwendung von nanoskaligen Materialien in einer Zusammensetzung zur Verhinderung von Ermüdungserscheinungen im oberfläschennahen Gefüge von Antriebselementen
JP5822706B2 (ja) * 2011-12-13 2015-11-24 株式会社Adeka 潤滑油用摩擦摩耗低減剤及びそれを含有する潤滑油組成物
RU2650526C2 (ru) 2012-11-02 2018-04-16 Эвоник Ойл Эддитивс ГмбХ Способ получения диспергирующих полимеров с низким содержанием серы
BR112015021514B1 (pt) * 2013-03-06 2021-06-08 Shell Internationale Research Maatschappij B.V. uso de um polímero alveolar
MX374506B (es) * 2013-08-16 2025-03-06 Jx Nippon Oil & Energy Corp Composicion de aceite lubricante para motor de combustion interna.
JP6878452B2 (ja) * 2015-11-24 2021-05-26 シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイＳｈｅｌｌ Ｉｎｔｅｒｎａｔｉｏｎａｌｅ Ｒｅｓｅａｒｃｈ Ｍａａｔｓｃｈａｐｐｉｊ Ｂｅｓｌｏｔｅｎ Ｖｅｎｎｏｏｔｓｈａｐ 潤滑油の放気を向上させる方法
US10113133B2 (en) * 2016-04-26 2018-10-30 Afton Chemical Corporation Random copolymers of acrylates as polymeric friction modifiers, and lubricants containing same
CN109312253B (zh) * 2016-06-14 2021-09-10 日油株式会社 润滑油组合物
DE102017004541A1 (de) 2017-05-11 2018-11-15 Klüber Lubrication München Se & Co. Kg Schmierstoffzusammensetzung
CN111363158A (zh) * 2020-04-27 2020-07-03 福建师范大学 一种含环氧基的聚硅氧硼烷超支化聚合物及其制备方法
CN112698245B (zh) * 2020-12-02 2021-09-28 西南交通大学 一种少失效数据的变压器绝缘可靠性分析方法
CN115125050B (zh) * 2021-08-04 2023-06-02 苏州索迩电子技术有限公司 一种润滑调节油及其应用

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040132629A1 (en) * 2002-03-18 2004-07-08 Vinci James N. Lubricants containing olefin copolymer and acrylate copolymer
WO2006105926A1 (de) * 2005-04-06 2006-10-12 Evonik Rohmax Additives Gmbh Polyalkyl(meth)acrylat-copolymere mit hervorragenden eigenschaften
CN1910268A (zh) * 2004-04-30 2007-02-07 罗麦斯添加剂有限公司 具有高耐水性的润滑脂

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2737496A (en) 1952-02-16 1956-03-06 Du Pont Lubricating oil compositions containing polymeric additives
NL276299A (enExample) 1962-03-23
US3506574A (en) 1967-03-20 1970-04-14 Rohm & Haas Lubricating oils and fuels containing graft copolymers
US4021357A (en) 1972-03-10 1977-05-03 Texaco Inc. Multifunctional tetrapolymer lube oil additive
US3816314A (en) * 1972-05-31 1974-06-11 Exxon Research Engineering Co Block copolymers of unsaturated ester and a nitrogen containing monomer as v.i.improving and dispersant additives for oils
SU960191A1 (ru) * 1980-10-03 1982-09-23 Сектор Нефтехимии Института Физико-Органической Химии И Углехимии Ан Усср Сополимеры @ -олефинов с моноэфирами и моно-/3-диметиламинопропил/-амидом малеиновой кислоты в качестве антизадирных присадок к смазочно-охлаждающим жидкост м на водной основе
US4581429A (en) 1983-07-11 1986-04-08 Commonwealth Scientific And Industrial Research Organization Polymerization process and polymers produced thereby
IT1181905B (it) * 1984-06-15 1987-09-30 Anic Spa Additivo multifunzionale per oli lubrificanti e procedimento per la sua preparazione
CA2013891C (en) * 1989-04-18 2003-01-14 Joseph M. Bollinger Dispersant polymethacrylate viscosity index improvers
IT1244474B (it) * 1990-12-14 1994-07-15 Mini Ricerca Scient Tecnolog Addittivo multifunzionale per oli lubrificanti
JPH07228642A (ja) * 1994-02-17 1995-08-29 Sanyo Chem Ind Ltd 粘度指数向上剤および粘度指数向上方法
US5763548A (en) 1995-03-31 1998-06-09 Carnegie-Mellon University (Co)polymers and a novel polymerization process based on atom (or group) transfer radical polymerization
US5969068A (en) * 1995-06-19 1999-10-19 The Lubrizol Corporation Dispersant-viscosity improvers for lubricating oil compositions
US5807937A (en) 1995-11-15 1998-09-15 Carnegie Mellon University Processes based on atom (or group) transfer radical polymerization and novel (co) polymers having useful structures and properties
DE69707452T3 (de) 1996-06-12 2015-07-23 Warwick Effect Polymers Ltd. Polymerisation-katalysator und -verfahren
ES2166092T3 (es) 1996-07-10 2002-04-01 Du Pont Polimerizacion con caracteristicas vivientes.
TW593347B (en) 1997-03-11 2004-06-21 Univ Carnegie Mellon Improvements in atom or group transfer radical polymerization
US6071980A (en) 1997-08-27 2000-06-06 E. I. Du Pont De Nemours And Company Atom transfer radical polymerization
DE10015533A1 (de) 1999-11-30 2001-06-28 Rohmax Additives Gmbh Blockcopolymere sowie Verfahren zur Hestellung und Verwendung
EP1453872B1 (de) * 2002-03-01 2016-04-13 Evonik Oil Additives GmbH Copolymere als dewaxing-additive
US6841695B2 (en) 2003-03-18 2005-01-11 Rohmax Additives Gmbh Process for preparing dithioesters
DE10314776A1 (de) * 2003-03-31 2004-10-14 Rohmax Additives Gmbh Schmierölzusammensetzung mit guten Reibeigenschaften
DE102004018094A1 (de) 2004-04-08 2005-11-03 Rohmax Additives Gmbh Polymere mit H-Brücken bildenden Funktionalitäten zur Verbesserung des Verschleißschutzes
DE102004021778A1 (de) * 2004-04-30 2005-12-08 Rohmax Additives Gmbh Verwendung von Polyalkyl(meth)acrylaten in Schmierölzusammensetzungen
DE102004021717A1 (de) * 2004-04-30 2005-11-24 Rohmax Additives Gmbh Verfahren zur Herstellung von Schmierfett
DE102004034618A1 (de) * 2004-07-16 2006-02-16 Rohmax Additives Gmbh Verwendung von Pfropfcopolymeren
ATE514766T1 (de) * 2004-10-22 2011-07-15 Nippon Oil Corp Schmierstoffzusammensetzung für getriebe
US7648950B2 (en) * 2005-04-22 2010-01-19 Rohmax Additives Gmbh Use of a polyalkylmethacrylate polymer
DE102005031244A1 (de) * 2005-07-01 2007-02-15 Rohmax Additives Gmbh Öllösliche Kammpolymere
DE102005041528A1 (de) 2005-08-31 2007-03-01 Rohmax Additives Gmbh Öllösliche Polymere
DE102006016588A1 (de) * 2006-04-06 2007-10-18 Rohmax Additives Gmbh Kraftstoffzusammensetzungen umfassend nachwachsende Rohstoffe
DE102006039420A1 (de) * 2006-08-23 2008-02-28 Evonik Rohmax Additves Gmbh Verfahren zur Herstellung von Methacrylatestern
KR20100044164A (ko) * 2007-07-12 2010-04-29 에보니크 로막스 아디티페스 게엠베하 연속적으로 변동가능한 조성의 공중합체를 제조하는 개선된 방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040132629A1 (en) * 2002-03-18 2004-07-08 Vinci James N. Lubricants containing olefin copolymer and acrylate copolymer
CN1910268A (zh) * 2004-04-30 2007-02-07 罗麦斯添加剂有限公司 具有高耐水性的润滑脂
WO2006105926A1 (de) * 2005-04-06 2006-10-12 Evonik Rohmax Additives Gmbh Polyalkyl(meth)acrylat-copolymere mit hervorragenden eigenschaften

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
润滑油添加剂对陶瓷球接触疲劳的影响;宋宝玉等;《中国机械工程》;20040131;第15卷(第2期);第170-174页 *

Also Published As

Publication number Publication date
KR101520122B1 (ko) 2015-05-18
EP2176390A2 (de) 2010-04-21
US8859472B2 (en) 2014-10-14
RU2010107871A (ru) 2011-09-20
CN101815779A (zh) 2010-08-25
BRPI0815137A2 (pt) 2015-02-03
WO2009019065A2 (de) 2009-02-12
JP5641933B2 (ja) 2014-12-17
KR20100042274A (ko) 2010-04-23
MX2010001458A (es) 2010-03-01
RU2515994C2 (ru) 2014-05-20
DE102007036856A1 (de) 2009-02-26
WO2009019065A3 (de) 2009-04-02
CA2695835A1 (en) 2009-02-12
US20110237473A1 (en) 2011-09-29
JP2010535870A (ja) 2010-11-25

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