JP2009540070A - 複合エステル含有滑剤組成物 - Google Patents
複合エステル含有滑剤組成物 Download PDFInfo
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- JP2009540070A JP2009540070A JP2009514660A JP2009514660A JP2009540070A JP 2009540070 A JP2009540070 A JP 2009540070A JP 2009514660 A JP2009514660 A JP 2009514660A JP 2009514660 A JP2009514660 A JP 2009514660A JP 2009540070 A JP2009540070 A JP 2009540070A
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Abstract
Description
a)ポリオール並びにモノカルボン酸およびジカルボン酸、または
b)ポリオールおよびモノアルコール並びにジカルボン酸、または
c)ポリオールおよびモノアルコール並びにモノカルボン酸およびジカルボン酸
の反応により得られる、組成物を提供する。
i)自動トランスミッションおよび手動トランスミッション用のトランスミッション油、車軸油およびクラッチ油について、CEC L−45−T−93(20時間)に従って測定され、8%未満、好ましくは5%未満、特に好ましくは4%未満であり、
ii)作動液、固定使用での工業用トランスミッション油、風力タービン潤滑油、ガスタービン油、コンプレッサー油および緩衝吸収流体について、CEC L−45−T−93(20時間)に従って測定され、15%未満、好ましくは8%未満であり、
iii)2サイクルエンジン油および4サイクルエンジン油、並びにジーゼルモーター油およびガソリンモーター油について、ASTM D 3945(30サイクル)に従って剪断作用後に測定され、15%未満、好ましくは10%未満、特に好ましくは7%未満である。
表1は、実施例配合物および比較例配合物の一覧を示す。
高粘性エステルHVE IまたはHVE IIに基づいたSAE class 75W−90のトランスミッション油は、良好な低温特性(−40℃での測定で全て300,000mPa・s未満の低い動力学粘度)を伴って配合できたことが明らかに見出される。注目に値することは、比較例(CE1)と比較して、向上した実施例配合物の剪断安定性である(E5およびE6は別として、低温特性の改善、およびPAO 6の代わりに群III鉱油を使用する可能性といった1つの本発明の効果がもっぱら意図されている)。この効果は、CE1が特に剪断安定であると分類されているPIBおよびOCP系を用いて配合されていると考えると、ますます明らかである。高粘性エステルの使用により、PAO 6を用いる代わりにPAO 8または群III鉱油を用いても良好な低温粘度を有する配合物を入手できることは注目に値する(E4、E5、E6を参照)。比較的低濃度での特定ポリマーの使用が、低温粘度の向上について相乗効果を有することが見出される(E3と比較してE2、E7と比較してE2、E10と比較してE2、およびE6と比較してE5を参照)。このことは、アルキルメタクリレートポリマー(E5およびE6を参照)、アルキルメタクリレート−α−オレフィンコポリマー(E3を参照)、アルキルマレエート−α−オレフィンコポリマー(E7を参照)を用いることにより、およびアルキルフマレート−α−オレフィンコポリマー(E10を参照)を用いることにより示された。アルキルメタクリレートポリマーを使用した場合、配合物の剪断安定性が低減することが見出された(E5およびE6を参照)。これは、アルキルメタクリレートポリマーの剪断応力に帰因する。同様に、HVE IIに基づく配合物が、ARKL試験(VW PV 1454)における平均試験終了温度に利益をもたらすことが明らかである(E8およびE9と比較してCE1を参照)。この試験は、トランスミッション用途および車軸用途における運転油温を反映しており、得られた温度が低いほど、ますます肯定的である。同様に、本発明の油を使用したことにより耐摩耗性を有するので、摩擦値が低下したことが明らかになった。このことは、工業規格SRV試験を用いて示された(E2と比較してCE1を参照)。
PAO 6:Neste Oil Corp.からのNexbase 2006
PAO 8:Neste Oil Corp.からのNexbase 2008
HVE I:445mm2/秒の40℃で測定された動粘度を有する市販高粘性エステル(例えばCognisからのSynative ES 3237)
HVE II:2000mm2/秒の40℃で測定された動粘度を有する高粘性エステル;ペンタエリスリトール、イソステアリン酸およびセバシン酸を反応させることによって既知の方法により得られる。
DIDA:ジイソデシルアジペート、例えばCognis Deutschland Gmbh & Co. KGからのSynative ES DIDA
群III鉱油:Neste Oil Corp.からのNexbase 3043
アルキルメタクリレート―α−オレフィンコポリマーI:RohMaxからのViscobase 11−574
アルキルメタクリレートI:RohMaxからのViscoplex 0-101
アルキルマレエート−α−オレフィンコポリマーI:Gear-Lube 7930
アルキルフマレート−α−オレフィンコポリマーI:Gear-Lube 7960
添加剤パッケージI:LubrizolからのAnglamol 6004 J
PIB I:LubrizolからのLubrizol 8406
OCP I:LubrizolからのLubrizol 8407
*SRV試験条件:
・Optimol Instruments Prueftechnik GmbHからのSRV1機器
・負荷を、22分以内に200Nまで、更なる5分間に300Nまで、残りの43分間に600Nまで増加した。;試験時間:70分間
・温度:100℃
・球の滑り軌道:1.00mm
・周波数:50Hz
・材料対:粗研磨された表面を有する円筒体上の直径10mmの球
Claims (11)
- 基油および合成複合エステルを含んでなる、100℃での動粘度の損失により測定される良好な剪断安定性を有する滑剤組成物であって、前記複合エステルが、400超〜50,000mm2/秒までの40℃での動粘度を有し、
a)ポリオール並びにモノカルボン酸およびジカルボン酸、または
b)ポリオールおよびモノアルコール並びにジカルボン酸、または
c)ポリオールおよびモノアルコール並びにモノカルボン酸およびジカルボン酸
の反応により得られる、組成物。 - 100℃での動粘度の損失が、
i)CEC L−45−T−93(20時間)に従って測定された、自動トランスミッションおよび手動トランスミッション用のトランスミッション油、車軸油およびクラッチ油について、8%未満である、
ii)CEC L−45−T−93(20時間)に従って測定された、作動液、固定使用での工業用トランスミッション油、風力タービン潤滑油、ガスタービン油、コンプレッサー油および緩衝吸収流体について、15%未満である、
iii)ASTM D 3945(30サイクル)に従って測定された、2サイクルエンジン油および4サイクルエンジン油、並びにジーゼルモーター油およびガソリンモーター油について、15%未満である
ことを特徴とする、請求項1に記載の滑剤組成物。 - 複合エステルが滑剤組成物の総量に基づいて3〜90重量%の濃度で存在することを特徴とする、請求項1または2に記載の滑剤組成物。
- 請求項1のa)に従った反応で使用されるモノカルボン酸が、分枝モノカルボン酸、または直鎖および分枝モノカルボン酸の混合物であり、それらの各々が5〜40炭素原子の炭素数を有することを特徴とする、請求項1〜3のいずれかに記載の滑剤組成物。
- ポリオールが一般式(I):R1(OH)n[式中、R1は2〜20個の炭素原子を含有する脂肪族または脂環式の基であり、nは少なくとも2である。]で示される分枝または直鎖アルコールであることを特徴とする、請求項1〜4のいずれかに記載の滑剤組成物。
- モノアルコールが一般式(II):R2OH[式中、R2は2〜20個の炭素原子を含有する脂肪族または脂環式の基である。]で示される分枝または直鎖アルコールであることを特徴とする、請求項1〜5のいずれかに記載の滑剤組成物。
- ジカルボン酸が、シュウ酸、マロン酸、コハク酸、グルタル酸、アジピン酸、ピメリン酸、スベリン酸、アゼライン酸、セバシン酸、ブラシル酸、タブス酸およびフェロゲン酸からなる群から選択されることを特徴とする、請求項1〜6のいずれかに記載の滑剤組成物。
- 更なる成分として、極性ポリマーが滑剤組成物の総量に基づいて0.5〜30重量%(特に1〜18重量%、より好ましくは2〜12重量%)の濃度で存在することを特徴とする、請求項1〜7のいずれかに記載の滑剤組成物。
- 極性ポリマーが、ポリアルキルメタクリレート、アルキルフマレート−α−オレフィンコポリマー、アルキルマレエート−α−オレフィンコポリマー、プロピレンオキシドポリマー、エチレンオキシド−プロピレンオキシドコポリマーおよびアルキルメタクリレート−α−オレフィンコポリマーからなる群から選択されることを特徴とする、請求項1〜8のいずれかに記載の滑剤組成物。
- 更なる添加剤が存在してよく、前記添加剤が、ポリマー増粘剤、粘度指数改良剤、酸化防止剤、腐食防止剤、洗剤、分散剤、解乳化剤、消泡剤、染料、摩耗保護添加剤、極圧(EP)添加剤および耐摩耗(AW)添加剤、並びに摩擦緩和剤からなる群から選択されることを特徴とする、請求項1〜9のいずれかに記載の滑剤組成物。
- 乗物用トランスミッション油、車軸油、工業用トランスミッション油、コンプレッサー油、タービン油またはモーター油としての、請求項1〜10のいずれかに記載の滑剤組成物の使用。
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DE102006027602A DE102006027602A1 (de) | 2006-06-13 | 2006-06-13 | Schmierstoffzusammensetzungen enthaltend Komplexester |
PCT/EP2007/004908 WO2007144079A2 (de) | 2006-06-13 | 2007-06-02 | Schmierstoffzusammensetzungen einthaltend komplexester |
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JPH0633082A (ja) * | 1992-07-15 | 1994-02-08 | Nippon Oil & Fats Co Ltd | エステル系潤滑基剤 |
JP2003522204A (ja) * | 1997-10-01 | 2003-07-22 | ユニケマ ケミー ベスローテン フェンノートシャップ | 複合エステル、これらのエステルを含む配合およびそれらの使用 |
JPH11279233A (ja) * | 1998-02-18 | 1999-10-12 | Lubrizol Corp:The | 潤滑油組成物用の粘度改良剤 |
JP2005520038A (ja) * | 2001-10-10 | 2005-07-07 | エクソンモービル リサーチ アンド エンジニアリング カンパニー | 生分解性非毒性ギヤ油 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2013525552A (ja) * | 2010-04-26 | 2013-06-20 | エボニック オイル アディティヴス ゲゼルシャフト ミット ベシュレンクテル ハフツング | 伝動装置のための潤滑剤 |
JP2013249461A (ja) * | 2012-06-04 | 2013-12-12 | Showa Shell Sekiyu Kk | 潤滑油組成物 |
Also Published As
Publication number | Publication date |
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CN101466817A (zh) | 2009-06-24 |
CN101466817B (zh) | 2013-06-12 |
US20090186787A1 (en) | 2009-07-23 |
AU2007260340B2 (en) | 2011-12-15 |
MX2008014259A (es) | 2008-11-26 |
KR20090016703A (ko) | 2009-02-17 |
EP2027234B1 (de) | 2018-01-31 |
CA2655040A1 (en) | 2007-12-21 |
WO2007144079A3 (de) | 2008-02-28 |
AU2007260340A1 (en) | 2007-12-21 |
HK1129235A1 (en) | 2009-11-20 |
BRPI0713592A2 (pt) | 2012-11-06 |
WO2007144079A2 (de) | 2007-12-21 |
DE102006027602A1 (de) | 2007-12-20 |
EP2027234A2 (de) | 2009-02-25 |
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