JPWO2015056783A1 - 潤滑油組成物 - Google Patents
潤滑油組成物 Download PDFInfo
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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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- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
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- 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
- C10M2209/086—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 polycarboxylic, e.g. maleic acid
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
- C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
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Abstract
Description
[2]潤滑油組成物全量を基準として、2質量%以上の、α−オレフィンと重合性不飽和結合を有するエステル単量体との共重合体をさらに含有し、前記共重合体の重量平均分子量が2000〜20000である、[1]に記載の潤滑油組成物。
[3]潤滑油組成物全量を基準として、ホウ素元素換算で100〜500質量ppmのホウ素含有分散剤をさらに含有する、[1]又は[2]に記載の潤滑油組成物。
[4]ハイポイドギヤに用いられる、[1]〜[3]のいずれかに記載の潤滑油組成物。
[5]組成物のハイポイドギヤ用潤滑油としての使用であって、前記組成物が、潤滑油基油全量を基準として、エステル系基油を0.5〜70質量%含み、40℃における動粘度が18〜28mm2/sである潤滑油基油と、潤滑油組成物全量を基準として、モリブデン元素換算で100〜1000質量ppmの有機モリブデン化合物と、を含有し、40℃における動粘度が50mm2/s以下である、使用。
[6]組成物のハイポイドギヤ用潤滑油の製造のための使用であって、前記組成物が、潤滑油基油全量を基準として、エステル系基油を0.5〜70質量%含み、40℃における動粘度が18〜28mm2/sである潤滑油基油と、潤滑油組成物全量を基準として、モリブデン元素換算で100〜1000質量ppmの有機モリブデン化合物と、を含有し、40℃における動粘度が50mm2/s以下である、使用。
本実施形態の潤滑油組成物は、(A)潤滑油基油全量を基準として、エステル系基油を0.5〜70質量%含み、40℃における動粘度が18〜28mm2/sである潤滑油基油を含有する。
(a)1価アルコールと一塩基酸とのエステル
(b)多価アルコールと一塩基酸とのエステル
(c)1価アルコールと多塩基酸とのエステル
(d)多価アルコールと多塩基酸とのエステル
(e)1価アルコール、多価アルコールとの混合物と多塩基酸との混合エステル
(f)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エステル
(g)1価アルコール、多価アルコールとの混合物と一塩基酸、多塩基酸との混合エステル
本実施形態に係る潤滑油組成物は、摩擦調整剤として、潤滑油組成物全量を基準として、モリブデン元素換算で100〜1000質量ppmの有機モリブデン化合物を含有する。(A)成分と組み合わせることにより、金属摩擦係数を低減させ、省燃費性を高めることができる。
なお、ここでいう重量平均分子量とは、ウォーターズ社製150−C ALC/GPC装置において東ソー社製のGMHHR−M(7.8mmID×30cm)のカラムを2本直列に使用し、溶媒としてテトラヒドロフランを用い、温度23℃、流速1mL/分、試料濃度1質量%、試料注入量75μLの条件下、示差屈折率計(RI)検出器を用いて測定した標準ポリスチレン換算の重量平均分子量である。
一般式(4)において、R10及びR11は同一でも異なっていてもよく、それぞれ炭素数40〜400のアルキル基又はアルケニル基、好ましくは炭素数60〜350のアルキル基又はアルケニル基を示し、ポリブテニル基であることが好ましい。qは0〜4、好ましくは1〜3の整数を示す。
表1及び表2に示すように、実施例1〜18及び比較例1〜4の潤滑油組成物をそれぞれ調製した。得られた潤滑油組成物について、極圧性、耐摩耗性、耐焼付き性、耐摩擦性及び酸化安定性を測定し、その結果を表1及び表2に併記した。
基油A−1:ポリα−オレフィン[グループIV、40℃動粘度:19mm2/s、100℃動粘度:4.1mm2/s、粘度指数:126、流動点:−66℃、引火点:220℃]
基油A−2:ポリα−オレフィン[グループIV、40℃動粘度:30.3mm2/s、100℃動粘度:5.9mm2/s、粘度指数:142、流動点:<−54℃、引火点:246℃]
基油A−3:ポリα−オレフィン[グループIV、40℃動粘度:48mm2/s、100℃動粘度:8.0mm2/s、粘度指数:139、流動点:−48℃、引火点:260℃]
基油A−4:ポリα−オレフィン[グループIV、40℃動粘度:396mm2/s、100℃動粘度:39mm2/s、粘度指数:147、流動点:−36℃、引火点:281℃]
基油A−5:水素化精製鉱油[グループIII、40℃動粘度:33.97mm2/s、100℃動粘度:6.208mm2/s、粘度指数:133、硫黄分:10質量ppm未満、%CP:80.6、%CN:19.4、%CA:0]
基油B−1:二塩基酸エステル[グループV、アゼライン酸+2エチルヘキサノール、40℃動粘度:10.3mm2/s、100℃動粘度:2.9mm2/s、粘度指数:138、流動点:−72℃、引火点:220℃]
有機モリブデン化合物F−1:モリブデンジチオカーバメート(MoDTC)[モリブデン元素換算:10質量%]
ホウ素含有分散剤G−1:ホウ素化コハク酸イミド[ホウ素元素換算:2.0質量%、窒素元素換算:2.3質量%、重量平均分子量:1000]
非ホウ素分散剤H−1:コハク酸イミド[窒素元素換算:2.3質量%、重量平均分子量:1000]
性能添加剤C−1:リン系摩耗防止剤、硫黄系極圧剤、金属不活性化剤、摩擦調整剤、消泡剤等を含む添加剤パッケージ[リン元素換算:1.40質量%、硫黄元素換算:22.9質量%]
粘度調整剤J−1:α−オレフィンとα,β−エチレン性不飽和ジカルボン酸ジエステルとの共重合体[重量平均分子量:10000]
粘度調整剤J−2:α−オレフィンとα,β−エチレン性不飽和ジカルボン酸ジエステルとの共重合体[重量平均分子量:7000]
粘度調整剤J−3:エチレンとα−オレフィンとのオリゴマー[数平均分子量:3700]
ASTM D 2596に準拠し、高速四球試験機を用い、各潤滑油組成物の1800回転における最大非焼付き荷重(LNSL)を測定した。本試験においては、最大非焼付き荷重が大きいほど極圧性に優れていることを意味する。
(2)耐摩耗性試験
以下の条件により、四球試験(ASTM D4172)を行い、摩耗痕径(mm)を測定して耐摩耗性を評価した。本試験においては、摩耗痕径が小さいほど耐摩耗性に優れていることを意味する。
荷重:800N
回転数:1800rpm
温度:80℃
試験時間:30分間
(3)耐焼付き性試験
ASTM D3233に記載のファレックス試験機を用いて、焼付荷重を測定し、耐焼付き性の評価を行った。この耐焼付き性は、鋼同士の極圧性を示す。試験条件を以下に示す。本試験においては、焼付荷重が大きいほど耐焼付き性に優れていることを意味する。
温度:110℃
回転数:290rpm
(4)耐摩擦性試験
ASTM D2174に記載のブロックオンリング試験機(LFW−1)を用いて、摩擦係数を、以下の試験条件下において測定した。また、本試験では、潤滑油組成物の新油と後述する酸化安定性試験を135℃、48時間行った劣化油の両者について摩擦係数を求めた。本試験においては、摩擦係数が小さいほど耐摩擦性に優れていることを意味する。
リング:Falex S−10 Test Ring(SAE4620 Steel)
ブロック:Falex H−60 Test Block(SAE01 Steel)
油温:90℃
荷重:222−3113N
滑り速度:0.5m/s
(5)酸化安定性試験
JIS K 2514 4.(内燃機関用潤滑油酸化安定度試験方法)に準拠して以下の条件で実施し、酸価増加を測定した。本試験においては、酸価増加が小さいほど酸化安定性に優れていることを意味する。
温度:135℃
試験時間:96時間
Claims (4)
- 潤滑油基油全量を基準として、エステル系基油を0.5〜70質量%含み、40℃における動粘度が18〜28mm2/sである潤滑油基油と、
潤滑油組成物全量を基準として、モリブデン元素換算で100〜1000質量ppmの有機モリブデン化合物と、
を含有し、40℃における動粘度が50mm2/s以下である、潤滑油組成物。 - 潤滑油組成物全量を基準として、2質量%以上の、α−オレフィンと重合性不飽和結合を有するエステル単量体との共重合体をさらに含有し、前記共重合体の重量平均分子量が2000〜20000である、請求項1に記載の潤滑油組成物。
- 潤滑油組成物全量を基準として、ホウ素元素換算で100〜500質量ppmのホウ素含有分散剤をさらに含有する、請求項1又は2に記載の潤滑油組成物。
- ハイポイドギヤに用いられる、請求項1〜3のいずれか一項に記載の潤滑油組成物。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013217600 | 2013-10-18 | ||
JP2013217600 | 2013-10-18 | ||
PCT/JP2014/077707 WO2015056783A1 (ja) | 2013-10-18 | 2014-10-17 | 潤滑油組成物 |
Publications (2)
Publication Number | Publication Date |
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JPWO2015056783A1 true JPWO2015056783A1 (ja) | 2017-03-09 |
JP6373857B2 JP6373857B2 (ja) | 2018-08-15 |
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JP2015542903A Active JP6373857B2 (ja) | 2013-10-18 | 2014-10-17 | 潤滑油組成物 |
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US (2) | US20160257905A1 (ja) |
JP (1) | JP6373857B2 (ja) |
CN (1) | CN105658775B (ja) |
MX (1) | MX2016004798A (ja) |
WO (1) | WO2015056783A1 (ja) |
Families Citing this family (2)
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JP7446807B2 (ja) | 2019-12-19 | 2024-03-11 | Eneos株式会社 | ギヤ油組成物 |
US20210292677A1 (en) * | 2020-03-20 | 2021-09-23 | Chevron Japan Ltd. | Low viscosity lubricating oil composition |
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JPS61140672A (ja) * | 1984-12-13 | 1986-06-27 | Aisin Warner Ltd | 4輪駆動車の自動変速機 |
JPS62274160A (ja) * | 1986-05-23 | 1987-11-28 | Fuji Heavy Ind Ltd | 車両用自動変速機 |
JPH08183985A (ja) * | 1994-12-28 | 1996-07-16 | Tonen Corp | 潤滑油組成物 |
JPH08283762A (ja) * | 1995-04-14 | 1996-10-29 | Tonen Corp | 潤滑油組成物 |
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JP2009029968A (ja) * | 2007-07-27 | 2009-02-12 | Japan Energy Corp | 変速機油組成物 |
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JP2010195894A (ja) * | 2009-02-24 | 2010-09-09 | Jx Nippon Oil & Energy Corp | ギヤ用潤滑油組成物 |
JP2010280819A (ja) * | 2009-06-04 | 2010-12-16 | Jx Nippon Oil & Energy Corp | 潤滑油組成物 |
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GB9520295D0 (en) * | 1995-10-04 | 1995-12-06 | Ethyl Petroleum Additives Ltd | Friction modification of synthetic gear oils |
SG64414A1 (en) * | 1996-01-16 | 1999-04-27 | Lubrizol Corp | Lubricating compositions |
US7208642B2 (en) * | 2000-02-25 | 2007-04-24 | Nippon Steel Corporation | Process for preparation of formate esters or methanol and catalyst therefor |
JP2004277712A (ja) * | 2003-02-27 | 2004-10-07 | Nippon Oil Corp | 4サイクルエンジン油基油及び組成物 |
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JP5731170B2 (ja) * | 2010-11-19 | 2015-06-10 | Jx日鉱日石エネルギー株式会社 | アルミニウム系材料を備えた摺動部用潤滑油組成物及び潤滑方法 |
-
2014
- 2014-10-17 MX MX2016004798A patent/MX2016004798A/es unknown
- 2014-10-17 CN CN201480056756.6A patent/CN105658775B/zh active Active
- 2014-10-17 WO PCT/JP2014/077707 patent/WO2015056783A1/ja active Application Filing
- 2014-10-17 US US15/029,136 patent/US20160257905A1/en not_active Abandoned
- 2014-10-17 JP JP2015542903A patent/JP6373857B2/ja active Active
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2019
- 2019-10-02 US US16/591,285 patent/US20200032159A1/en not_active Abandoned
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JPS55157687A (en) * | 1979-05-29 | 1980-12-08 | Mitsubishi Chem Ind Ltd | Lubricating oil additive |
JPS61140672A (ja) * | 1984-12-13 | 1986-06-27 | Aisin Warner Ltd | 4輪駆動車の自動変速機 |
JPS62274160A (ja) * | 1986-05-23 | 1987-11-28 | Fuji Heavy Ind Ltd | 車両用自動変速機 |
JPH08183985A (ja) * | 1994-12-28 | 1996-07-16 | Tonen Corp | 潤滑油組成物 |
JPH08283762A (ja) * | 1995-04-14 | 1996-10-29 | Tonen Corp | 潤滑油組成物 |
JPH10195474A (ja) * | 1996-12-27 | 1998-07-28 | Tonen Corp | 内燃機関用潤滑油組成物 |
WO2005118758A1 (ja) * | 2004-06-01 | 2005-12-15 | Nippon Oil Corporation | 手動変速機用潤滑油組成物 |
JP2009029968A (ja) * | 2007-07-27 | 2009-02-12 | Japan Energy Corp | 変速機油組成物 |
JP2009203377A (ja) * | 2008-02-28 | 2009-09-10 | Japan Energy Corp | 省燃費型エンジン油組成物 |
JP2010195894A (ja) * | 2009-02-24 | 2010-09-09 | Jx Nippon Oil & Energy Corp | ギヤ用潤滑油組成物 |
JP2010280819A (ja) * | 2009-06-04 | 2010-12-16 | Jx Nippon Oil & Energy Corp | 潤滑油組成物 |
Also Published As
Publication number | Publication date |
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US20160257905A1 (en) | 2016-09-08 |
MX2016004798A (es) | 2016-07-18 |
US20200032159A1 (en) | 2020-01-30 |
CN105658775A (zh) | 2016-06-08 |
CN105658775B (zh) | 2019-06-14 |
JP6373857B2 (ja) | 2018-08-15 |
WO2015056783A1 (ja) | 2015-04-23 |
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