JP2010090210A - 潤滑油組成物 - Google Patents
潤滑油組成物 Download PDFInfo
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- C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
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- C10M2207/289—Partial esters containing free hydroxy groups
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
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- C10M2207/289—Partial esters containing free hydroxy groups
- C10M2207/2895—Partial esters containing free hydroxy groups used as base material
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- 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
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
- C10M2219/022—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of hydrocarbons, e.g. olefines
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- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
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- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
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Abstract
【解決手段】(A)多価アルコールとカルボン酸の部分エステルを、基油全量基準で0.1〜80質量%含有する、100℃における動粘度が1〜15mm2/sの潤滑油を基油とし、100℃における動粘度が1〜20mm2/sであることを特徴とするトラクション係数の低い潤滑油組成物。
【選択図】なし
Description
本発明の潤滑油組成物は、基油として(A)多価アルコールとカルボン酸の部分エステルからなるエステル系基油を含有する。
エステル系基油を構成するアルコールは多価アルコールであり、エステル系基油を構成するカルボン酸としては一塩基酸でも多塩基酸であってもよいが、本発明におけるエステル系基油は、多価アルコールの水酸基の少なくとも一部がエステル化されずに残存する部分エステルであることが必要である。
(a)多価アルコールと一塩基酸との部分エステル
(b)多価アルコールと多塩基酸との部分エステル
(c)多価アルコールと一塩基酸、多塩基酸との混合物との混合部分エステル
このポリ(メタ)アクリレート系化合物は、粘度指数向上剤及び/または流動点降下剤としての機能を有する。なお、本明細書における「ポリ(メタ)アクリレート系化合物」は、ポリアクリレート系化合物及びポリメタクリレート系化合物の総称である。
上記R2で表される炭素数1〜30の直鎖状又は分枝状の炭化水素基としては、具体的には、メチル基、エチル基、プロピル基、ブチル基、ペンチル基、ヘキシル基、ヘプチル基、オクチル基、ノニル基、デシル基、ウンデシル基、ドデシル基、テトラデシル基、ヘキサデシル基、オクタデシル基等のアルキル基(これらアルキル基は直鎖状でも分枝状でもよい);ブテニル基、ペンテニル基、ヘキセニル基、ヘプテニル基、オクテニル基、ノネニル基、デセニル基、ウンデセニル基、ドデセニル基、テトラデセニル基、ヘキサデセニル基、オクタデセニル基等のアルケニル基(これらアルケニル基は直鎖状でも分枝状でもよく、二重結合の位置も任意である)等が例示できる。
上記E2で表されるアミン残基又は複素環残基としては、具体的には、ジメチルアミノ基、ジエチルアミノ基、ジプロピルアミノ基、ジブチルアミノ基、アニリノ基、トルイジノ基、キシリジノ基、アセチルアミノ基、ベンゾイルアミノ基、モルホリノ基、ピロリル基、ピロリノ基、ピリジル基、メチルピリジル基、ピロリジニル基、ピペリジニル基、キノニル基、ピロリドニル基、ピロリドノ基、イミダゾリノ基、及びピラジノ基等が例示できる。
重量平均分子量が5,000未満の場合には、十分な粘度指数向上効果が得られず、組成物のコストが上昇するおそれがある。一方、重量平均分子量が400,000を超える場合には、潤滑油組成物のせん断安定性や貯蔵安定性が損なわれるおそれがある。
表1に示す組成に従い、本発明に係る潤滑油組成物(実施例1〜2)を調製した。これらの組成物につき、トラクション係数を測定し、その結果も表1に示した。
また、表1に示す組成に従い、比較のための潤滑油組成物(比較例1〜5)を調製し、これらの組成物についても同様にトラクション係数を測定し、その結果も表1に示した。
薄膜EHL試験機*を用い、下記の条件でトラクション係数を測定した。
(*)R.Kapadia et al.; Tribology International(March 2007)等に記載のもの。
(試験条件)
試験片 : SUJ2
油温 : 100℃
面圧 : 0.514GPa
すベり率: 100%
Claims (6)
- (A)多価アルコールとカルボン酸の部分エステルを、基油全量基準で0.1〜80質量%含有する、100℃における動粘度が1〜15mm2/sの潤滑油を基油とし、100℃における動粘度が1〜20mm2/sであることを特徴とするトラクション係数の低い潤滑油組成物。
- 多価アルコールとカルボン酸の部分エステルが、トリメチロールプロパンと1価カルボン酸の部分エステルであることを特徴とする請求項1に記載の潤滑油組成物。
- トラクション係数が0.013以下であることを特徴とする請求項1乃至3のいずれかに記載の潤滑油組成物。
- トラクション係数と100℃における動粘度(mm2/s)の比が1.2E−03以下であることを特徴とする請求項1乃至4のいずれかに記載の潤滑油組成物。
- −40℃におけるブルークフィールド粘度が40,000mPa・s以下であることを特徴とする請求項1乃至5のいずれかに記載の潤滑油組成物。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008259371A JP5398218B2 (ja) | 2008-10-06 | 2008-10-06 | 潤滑油組成物 |
CN2009801396728A CN102171316B (zh) | 2008-10-06 | 2009-09-28 | 润滑油组合物 |
RU2011118372/04A RU2501846C2 (ru) | 2008-10-06 | 2009-09-28 | Композиция смазочного масла |
BRPI0919747A BRPI0919747A2 (pt) | 2008-10-06 | 2009-09-28 | composição de óleo lubrificante. |
EP09818923A EP2336277A4 (en) | 2008-10-06 | 2009-09-28 | LUBRICATING OIL COMPOSITION |
PCT/JP2009/004907 WO2010041383A1 (ja) | 2008-10-06 | 2009-09-28 | 潤滑油組成物 |
US13/122,570 US20110190183A1 (en) | 2008-10-06 | 2009-09-28 | Lubricating oil composition |
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JP2008259371A JP5398218B2 (ja) | 2008-10-06 | 2008-10-06 | 潤滑油組成物 |
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Publication Number | Publication Date |
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JP2010090210A true JP2010090210A (ja) | 2010-04-22 |
JP5398218B2 JP5398218B2 (ja) | 2014-01-29 |
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JP2008259371A Expired - Fee Related JP5398218B2 (ja) | 2008-10-06 | 2008-10-06 | 潤滑油組成物 |
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Country | Link |
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US (1) | US20110190183A1 (ja) |
EP (1) | EP2336277A4 (ja) |
JP (1) | JP5398218B2 (ja) |
CN (1) | CN102171316B (ja) |
BR (1) | BRPI0919747A2 (ja) |
RU (1) | RU2501846C2 (ja) |
WO (1) | WO2010041383A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013147150A1 (ja) | 2012-03-30 | 2013-10-03 | 出光興産株式会社 | 潤滑油組成物 |
JP2013253128A (ja) * | 2012-06-05 | 2013-12-19 | Jx Nippon Oil & Energy Corp | 潤滑油組成物 |
JP2021059739A (ja) * | 2015-11-25 | 2021-04-15 | サントルブズ エルエルシー | 低剪断強度潤滑流体 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5789111B2 (ja) * | 2011-03-25 | 2015-10-07 | Jx日鉱日石エネルギー株式会社 | 潤滑油組成物 |
EP2657324A1 (en) * | 2012-04-26 | 2013-10-30 | Petróleo Brasileiro S.A. - PETROBRAS | Process for the production of bio-lubricant from methyl biodiesel and bio-lubricant obtained by said process |
RU2507244C1 (ru) * | 2013-01-11 | 2014-02-20 | Открытое акционерное общество "Нефтяная компания "Роснефть" | Пакет присадок к дизельным маслам и дизельное масло его содержащее |
US20140274848A1 (en) * | 2013-03-15 | 2014-09-18 | Exxonmobil Research And Engineering Company | Low traction energy conserving fluids containing base stock blends |
CN104560297B9 (zh) * | 2013-10-18 | 2019-03-08 | 吉坤日矿日石能源株式会社 | 混合动力车或电动汽车的减速器用润滑油组合物 |
CA2930318C (en) | 2013-11-22 | 2022-03-15 | Ashland Licensing And Intellectual Property, Llc | Lubricating oils containing silicone oil |
US11434447B2 (en) | 2013-11-22 | 2022-09-06 | Valvoline Licensing and Intellectual Property, LLC | Silicone modified lubricant |
RU2561277C1 (ru) * | 2014-10-10 | 2015-08-27 | федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Российский государственный университет нефти и газа имени И.М. Губкина" | Консервационный состав для защиты от коррозии черных и цветных металлов |
JP2018039943A (ja) * | 2016-09-09 | 2018-03-15 | 昭和シェル石油株式会社 | 自動変速機用潤滑油組成物 |
WO2020131515A2 (en) * | 2018-12-19 | 2020-06-25 | Exxonmobil Research And Engineering Company | Lubricant compositions with improved wear control |
US20200199482A1 (en) * | 2018-12-20 | 2020-06-25 | Exxonmobil Research And Engineering Company | Low Viscosity Lubricating Oil Compositions With Increasing Flash Point |
TWI686469B (zh) * | 2019-04-24 | 2020-03-01 | 百達精密化學股份有限公司 | 基礎油及潤滑油 |
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- 2009-09-28 RU RU2011118372/04A patent/RU2501846C2/ru active
- 2009-09-28 EP EP09818923A patent/EP2336277A4/en not_active Withdrawn
- 2009-09-28 WO PCT/JP2009/004907 patent/WO2010041383A1/ja active Application Filing
- 2009-09-28 BR BRPI0919747A patent/BRPI0919747A2/pt not_active Application Discontinuation
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Also Published As
Publication number | Publication date |
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US20110190183A1 (en) | 2011-08-04 |
CN102171316B (zh) | 2013-06-12 |
EP2336277A1 (en) | 2011-06-22 |
BRPI0919747A2 (pt) | 2016-09-06 |
CN102171316A (zh) | 2011-08-31 |
RU2011118372A (ru) | 2012-11-20 |
RU2501846C2 (ru) | 2013-12-20 |
EP2336277A4 (en) | 2012-03-21 |
WO2010041383A1 (ja) | 2010-04-15 |
JP5398218B2 (ja) | 2014-01-29 |
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