JP2012512309A - 潤滑油組成物 - Google Patents
潤滑油組成物 Download PDFInfo
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Abstract
【解決手段】硫黄分が約0.4質量%以下、かつASTM D874で測定した硫酸灰分が約0.5質量%以下の潤滑油組成物であって、(a)主要量の潤滑粘度の油、(b)組成物の全質量に基づくホウ素量が約600ppm以下となる量の、少なくとも一種の油溶性又は分散性の油中で安定なホウ素含有化合物、および(c)組成物の全質量に基づくモリブデン量が約800ppm以下となる量の、少なくとも一種の油溶性又は分散性の油中で安定なモリブデン含有化合物を含む潤滑油組成物、ただし、潤滑油組成物の硫黄対モリブデン比は約5:1乃至約500:1である。
【選択図】なし
Description
本発明の潤滑油組成物に使用される少なくとも一種の油溶性又は分散性の油中で安定なホウ素含有化合物の代表的な例としては、ホウ酸化分散剤、ホウ酸化摩擦緩和剤、分散性のアルカリ金属又は混合アルカリ金属又はアルカリ土類金属ホウ酸塩、ホウ酸化エポキシド、ホウ酸エステル、ホウ酸化脂肪アミン、ホウ酸化アミド、ホウ酸化スルホネート等、およびそれらの混合物を挙げることができる。
本発明の潤滑油組成物に使用される油溶性又は分散性の油中で安定なモリブデン含有化合物の代表的な例としては、モリブデンジチオカルバメート類、モリブデンジチオホスフェート類、分散性水和モリブデン化合物、酸性モリブデン化合物または酸性モリブデン化合物の塩類、モリブデン含有錯体等、およびそれらの混合物を挙げることができる。
R9−Sb−R10 (VIII)
下記の成分を一緒にブレンドして粘度グレードSAE15W−40の配合物を得ることにより、潤滑油組成物を製造した。
下記の成分を一緒にブレンドして粘度グレードSAE15W−40の配合物を得ることにより、潤滑油組成物を製造した。
下記の成分を一緒にブレンドして粘度グレードSAE15W−40の配合物を得ることにより、潤滑油組成物を製造した。
下記の成分を一緒にブレンドして粘度グレードSAE15W−40の配合物を得ることにより、潤滑油組成物を製造した。
実施例1および比較例A−Cの潤滑油組成物について、耐摩耗性能の評価を行った。検査機用のCJ−4カミンズエンジン試験によって、インジェクタ調整ねじの質量損失(IASWL)を測定することにより、高荷重ディーゼル・バルブトレーン耐摩耗性能を測定した。CJ−4カミンズ試験はEGRを備えたカミンズISMエンジンを用いた。エンジン試験時間は100時間である。下記第1表に、この試験の結果を示す。
───────────
IASWL
───────────
実施例1 7.1
比較例A 22.3
比較例B 31.2
比較例C 38.6
───────────
Claims (15)
- 硫黄分が約0.4質量%以下、かつASTM D874で測定した硫酸灰分が約0.5質量%以下の潤滑油組成物であって、(a)主要量の潤滑粘度の油、(b)組成物の全質量に基づくホウ素量が約600ppm以下となる量の、少なくとも一種の油溶性又は分散性の油中で安定なホウ素含有化合物、および(c)組成物の全質量に基づくモリブデン量が約800ppm以下となる量の、少なくとも一種の油溶性又は分散性の油中で安定なモリブデン含有化合物を含む潤滑油組成物、ただし、潤滑油組成物の硫黄対モリブデン比は約5:1乃至約500:1である。
- 潤滑粘度の油が鉱物基油を含む請求項1に記載の潤滑油組成物。
- ホウ素量が約500ppm以下である請求項1または2に記載の潤滑油組成物。
- モリブデン量が約500ppm以下である請求項1乃至3のいずれかの項に記載の潤滑油組成物。
- モリブデン量が約100ppm以下である請求項1乃至3のいずれかの項に記載の潤滑油組成物。
- ホウ素量が約400ppm以下であり、モリブデン量が約100ppm以下である請求項1に記載の潤滑油組成物。
- 硫黄対モリブデン比が約15:1乃至約240:1である請求項1乃至6のいずれかの項に記載の潤滑油組成物。
- 硫黄対モリブデン比が約20:1乃至約100:1である請求項1乃至7のいずれかの項に記載の潤滑油組成物。
- 油溶性又は分散性の油中で安定なモリブデン化合物が、硫化又は未硫化のモリブデンポリイソブテニルコハク酸イミド錯体、モリブデンジチオカルバメート、分散状態にある水和モリブデン化合物、酸性モリブデン化合物又はその塩およびそれらの混合物からなる群より選ばれる請求項1乃至8のいずれかの項に記載の潤滑油組成物。
- ASTM D874で測定した硫酸灰分が約0.3質量%以下である請求項1乃至10のいずれかの項に記載の潤滑油組成物。
- リンを実質的に含まない請求項1乃至11のいずれかの項に記載の潤滑油組成物。
- ジアルキルジチオリン酸亜鉛を実質的に含まない請求項1乃至12のいずれかの項に記載の潤滑油組成物。
- さらに、金属清浄剤、無灰分散剤、摩擦緩和剤、極圧剤、粘度指数向上剤および流動点降下剤からなる群より選ばれる少なくとも一種の添加剤を含む請求項1乃至13のいずれかの項に記載の潤滑油組成物。
- 請求項1乃至14のいずれかの項に記載の潤滑油組成物を用いて内燃機関を作動させる工程を含む内燃機関の作動方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US12/316,893 US20100152073A1 (en) | 2008-12-17 | 2008-12-17 | Lubricating oil compositions |
US12/316,893 | 2008-12-17 | ||
PCT/US2009/067433 WO2010077756A2 (en) | 2008-12-17 | 2009-12-10 | Lubricating oil compositions |
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JP2014256022A Division JP5952888B2 (ja) | 2008-12-17 | 2014-12-18 | 潤滑油組成物 |
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JP2014256022A Active JP5952888B2 (ja) | 2008-12-17 | 2014-12-18 | 潤滑油組成物 |
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EP (2) | EP2829596A1 (ja) |
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CN (2) | CN105331430A (ja) |
CA (1) | CA2746939C (ja) |
SG (1) | SG172252A1 (ja) |
WO (1) | WO2010077756A2 (ja) |
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KR20140035357A (ko) * | 2011-04-05 | 2014-03-21 | 셰브런 오로나이트 컴퍼니 엘엘씨 | 저점도 선박 실린더 윤활유 조성물 |
EP2966153B1 (en) * | 2013-03-08 | 2018-12-05 | Idemitsu Kosan Co., Ltd | Use of a lubricating-oil composition |
US9068135B1 (en) * | 2014-02-26 | 2015-06-30 | Afton Chemical Corporation | Lubricating oil composition and additive therefor having improved piston deposit control and emulsion stability |
CN104016965A (zh) * | 2014-04-01 | 2014-09-03 | 东昊石油集团有限公司 | 一种硫化芥酸及其制备方法和应用 |
JP6500271B2 (ja) | 2015-03-30 | 2019-04-17 | 出光興産株式会社 | 潤滑油組成物 |
CN108848672B (zh) * | 2016-03-24 | 2022-03-01 | 出光兴产株式会社 | 用于搭载增压机构的发动机的润滑油组合物和该润滑油组合物的制造方法 |
US11155764B2 (en) | 2016-05-05 | 2021-10-26 | Afton Chemical Corporation | Lubricants for use in boosted engines |
US10487286B2 (en) * | 2016-05-23 | 2019-11-26 | Infineum International Ltd. | Highly borated dispersant concentrates for lubricating oil compositions and methods for forming same |
JP7108373B2 (ja) * | 2016-10-21 | 2022-07-28 | Ntn株式会社 | 玉軸受 |
WO2018139403A1 (ja) * | 2017-01-24 | 2018-08-02 | 株式会社Adeka | エンジン油組成物 |
US10329512B2 (en) * | 2017-02-28 | 2019-06-25 | Chevron Oronite Company Llc | Lubrication oil composition with enhanced wear and low speed pre-ignition properties |
EP3369802B1 (en) * | 2017-03-01 | 2019-07-10 | Infineum International Limited | Improvements in and relating to lubricating compositions |
WO2019240965A1 (en) * | 2018-06-11 | 2019-12-19 | Exxonmobil Research And Engineering Company | Non-zinc-based antiwear compositions, hydraulic oil compositions, and methods of using the same |
WO2021021888A1 (en) | 2019-07-29 | 2021-02-04 | Ecolab USA, Inc. | Oil soluble molybdenum complexes as high temperature fouling inhibitors |
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CN112521998B (zh) * | 2019-09-17 | 2022-08-16 | 中国石油化工股份有限公司 | 一种低噪声聚脲润滑脂组合物及其制备方法 |
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CN116761872A (zh) * | 2020-10-28 | 2023-09-15 | 雪佛龙美国公司 | 硫和硫酸盐灰分含量低且含钼和硼化合物的具有可再生基础油的润滑油组合物 |
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- 2009-12-10 SG SG2011044765A patent/SG172252A1/en unknown
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Also Published As
Publication number | Publication date |
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EP2376614B1 (en) | 2014-08-27 |
WO2010077756A2 (en) | 2010-07-08 |
CA2746939C (en) | 2018-03-27 |
CN102300970A (zh) | 2011-12-28 |
US20140106999A1 (en) | 2014-04-17 |
CA2746939A1 (en) | 2010-07-08 |
EP2829596A1 (en) | 2015-01-28 |
EP2376614A4 (en) | 2012-02-22 |
JP2016180112A (ja) | 2016-10-13 |
JP2015071788A (ja) | 2015-04-16 |
SG172252A1 (en) | 2011-07-28 |
CN105331430A (zh) | 2016-02-17 |
EP2376614A2 (en) | 2011-10-19 |
US9193931B2 (en) | 2015-11-24 |
JP5952888B2 (ja) | 2016-07-13 |
US20100152073A1 (en) | 2010-06-17 |
JP6170595B2 (ja) | 2017-07-26 |
WO2010077756A3 (en) | 2010-10-07 |
US20120145115A1 (en) | 2012-06-14 |
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