JP2010500457A5 - - Google Patents

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JP2010500457A5
JP2010500457A5 JP2009523982A JP2009523982A JP2010500457A5 JP 2010500457 A5 JP2010500457 A5 JP 2010500457A5 JP 2009523982 A JP2009523982 A JP 2009523982A JP 2009523982 A JP2009523982 A JP 2009523982A JP 2010500457 A5 JP2010500457 A5 JP 2010500457A5
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zinc
lubricating oil
oil composition
dialkyldithiophosphate
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JP2010500457A (en
JP5345935B2 (en
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主要量の潤滑粘度の基油、および少量の第一級ジアルキルジチオリン酸亜鉛と第二級ジアルキルジチオリン酸亜鉛とジアリールジチオリン酸亜鉛との混合物を含む潤滑油組成物であって、第一級ジアルキルジチオリン酸亜鉛と第二級ジアルキルジチオリン酸亜鉛との比が、リン分に基づき、２：１乃至１：２であり、第一級ジアルキルジチオリン酸亜鉛と第二級ジアルキルジチオリン酸亜鉛との混合物とジアリールジチオリン酸亜鉛との比が、６：１乃至１：１であり、そして潤滑油組成物の全リン分が、潤滑油組成物の全質量に基づき０．０６質量％未満である潤滑油組成物。   A lubricating oil composition comprising a major amount of a base oil of lubricating viscosity and a minor amount of a mixture of a primary zinc dialkyldithiophosphate, a secondary zinc dialkyldithiophosphate and a zinc diaryldithiophosphate, wherein the primary dialkyldithiophosphorus The ratio of zinc acid to secondary zinc dialkyldithiophosphate is 2: 1 to 1: 2, based on phosphorus content, and a mixture of zinc dialkyldithiophosphate and zinc secondary dialkyldithiophosphate and diaryl Lubricating oil composition wherein the ratio to zinc dithiophosphate is 6: 1 to 1: 1 and the total phosphorus content of the lubricating oil composition is less than 0.06% by weight based on the total weight of the lubricating oil composition . 第一級ジアルキルジチオリン酸亜鉛と第二級ジアルキルジチオリン酸亜鉛とジアリールジチオリン酸亜鉛との少量の混合物が、潤滑油組成物の全質量に基づき０．１質量％乃至１．５質量％である請求項１に記載の潤滑油組成物。   A small amount of a mixture of zinc primary dialkyldithiophosphate, zinc secondary dialkyldithiophosphate and zinc diaryldithiophosphate is 0.1% to 1.5% by weight based on the total weight of the lubricating oil composition. Item 2. The lubricating oil composition according to Item 1. 第一級ジアルキルジチオリン酸亜鉛と第二級ジアルキルジチオリン酸亜鉛とジアリールジチオリン酸亜鉛との少量の混合物が、潤滑油組成物の全質量に基づき０．３質量％乃至１．２質量％である請求項１に記載の潤滑油組成物。   A small amount of a mixture of zinc primary dialkyldithiophosphate, zinc secondary dialkyldithiophosphate and zinc diaryldithiophosphate is 0.3% to 1.2% by weight based on the total weight of the lubricating oil composition. Item 2. The lubricating oil composition according to Item 1. 第一級ジアルキルジチオリン酸亜鉛と第二級ジアルキルジチオリン酸亜鉛とジアリールジチオリン酸亜鉛との少量の混合物が、潤滑油組成物の全質量に基づき０．５質量％乃至１．０質量％である請求項１に記載の潤滑油組成物。   A small amount of a mixture of primary zinc dialkyldithiophosphate, zinc secondary dialkyldithiophosphate and zinc diaryldithiophosphate is 0.5% to 1.0% by weight based on the total weight of the lubricating oil composition. Item 2. The lubricating oil composition according to Item 1. 該混合物が、潤滑油組成物の全質量に基づき、０．０５質量％乃至１．２質量％の第一級ジアルキルジチオリン酸亜鉛、０．０５質量％乃至１．２質量％の第二級ジアルキルジチオリン酸亜鉛、および０．０２質量％乃至０．７質量％のジアリールジチオリン酸亜鉛を含む請求項１に記載の潤滑油組成物。   The mixture is 0.05% to 1.2% by weight primary dialkyldithiophosphate zinc, 0.05% to 1.2% secondary dialkyl based on the total weight of the lubricating oil composition. The lubricating oil composition of claim 1, comprising zinc dithiophosphate and 0.02 wt% to 0.7 wt% zinc diaryldithiophosphate. 該混合物が、潤滑油組成物の全質量に基づき、０．１質量％乃至０．７質量％の第一級ジアルキルジチオリン酸亜鉛、０．１質量％乃至０．７質量％の第二級ジアルキルジチオリン酸亜鉛、および０．０５質量％乃至０．５質量％のジアリールジチオリン酸亜鉛を含む請求項５に記載の潤滑油組成物。   The mixture is 0.1% to 0.7% by weight primary zinc dialkyldithiophosphate, 0.1% to 0.7% by weight secondary dialkyl, based on the total weight of the lubricating oil composition. The lubricating oil composition according to claim 5, comprising zinc dithiophosphate and 0.05% to 0.5% by weight zinc diaryldithiophosphate. 該混合物が、潤滑油組成物の全質量に基づき、０．２質量％乃至０．５質量％の第一級ジアルキルジチオリン酸亜鉛、０．２質量％乃至０．５質量％の第二級ジアルキルジチオリン酸亜鉛、および０．１質量％乃至０．３質量％のジアリールジチオリン酸亜鉛を含む請求項６に記載の潤滑油組成物。   The mixture comprises from 0.2% to 0.5% by weight primary dialkyldithiophosphate zinc, from 0.2% to 0.5% secondary dialkyl based on the total weight of the lubricating oil composition. The lubricating oil composition of claim 6, comprising zinc dithiophosphate and 0.1 to 0.3 wt% zinc diaryldithiophosphate. 第一級ジアルキルジチオリン酸亜鉛の第一級アルキル基が、炭素原子数Ｃ1乃至Ｃ13である請求項１に記載の潤滑油組成物。 The lubricating oil composition according to claim 1, wherein the primary alkyl group of the primary zinc dialkyldithiophosphate has C 1 to C 13 carbon atoms. 第一級ジアルキルジチオリン酸亜鉛の第一級アルキル基が、炭素原子数Ｃ3乃至Ｃ10である請求項８に記載の潤滑油組成物。 The lubricating oil composition according to claim 8, wherein the primary alkyl group of the primary zinc dialkyldithiophosphate has C 3 to C 10 carbon atoms. 第一級ジアルキルジチオリン酸亜鉛の第一級アルキル基が、炭素原子数Ｃ6乃至Ｃ8である請求項９に記載の潤滑油組成物。 The lubricating oil composition according to claim 9, wherein the primary alkyl group of the primary zinc dialkyldithiophosphate has C 6 to C 8 carbon atoms. 第二級ジアルキルジチオリン酸亜鉛の第二級アルキル基が、炭素原子数Ｃ3乃至Ｃ13である請求項１に記載の潤滑油組成物。 The lubricating oil composition according to claim 1, wherein the secondary alkyl group of the secondary zinc dialkyldithiophosphate has C 3 to C 13 carbon atoms. 第二級ジアルキルジチオリン酸亜鉛の第二級アルキル基が、炭素原子数Ｃ3乃至Ｃ8である請求項１１に記載の潤滑油組成物。 The lubricating oil composition according to claim 11, wherein the secondary alkyl group of the secondary zinc dialkyldithiophosphate has C 3 to C 8 carbon atoms. 第二級ジアルキルジチオリン酸亜鉛の第二級アルキル基が、炭素原子数Ｃ3乃至Ｃ6である請求項１２に記載の潤滑油組成物。 The lubricating oil composition according to claim 12, wherein the secondary alkyl group of the zinc secondary dialkyldithiophosphate has C 3 to C 6 carbon atoms. ジアリールジチオリン酸亜鉛のアリール基が、炭素原子数Ｃ6乃至Ｃ30である請求項１に記載の潤滑油組成物。 The lubricating oil composition according to claim 1, wherein the aryl group of zinc diaryldithiophosphate has C 6 to C 30 carbon atoms. ジアリールジチオリン酸亜鉛のアリール基が、炭素原子数Ｃ6乃至Ｃ24である請求項１４に記載の潤滑油組成物。 Aryl group of diaryl zinc dithiophosphate is, the lubricating oil composition of claim 14 which is the number of C 6 to C 24 carbon atoms. ジアリールジチオリン酸亜鉛のアリール基が、炭素原子数Ｃ6乃至Ｃ20である請求項１５に記載の潤滑油組成物。 The lubricating oil composition according to claim 15, wherein the aryl group of zinc diaryldithiophosphate has C 6 to C 20 carbon atoms. 第一級ジアルキルジチオリン酸亜鉛と第二級ジアルキルジチオリン酸亜鉛との比が、リン分に基づき３：２乃至２：３の範囲にある請求項１に記載の潤滑油組成物。   The lubricating oil composition according to claim 1, wherein the ratio of primary zinc dialkyldithiophosphate to zinc secondary dialkyldithiophosphate is in the range of 3: 2 to 2: 3 based on the phosphorus content. 第一級ジアルキルジチオリン酸亜鉛と第二級ジアルキルジチオリン酸亜鉛との比が、リン分に基づき１：１である請求項１７に記載の潤滑油組成物。   The lubricating oil composition of claim 17, wherein the ratio of primary zinc dialkyldithiophosphate to secondary zinc dialkyldithiophosphate is 1: 1 based on phosphorus content. 第一級ジアルキルジチオリン酸亜鉛と第二級ジアルキルジチオリン酸亜鉛との混合物とジアリールジチオリン酸亜鉛との比が、リン分に基づき４：１乃至１：１の範囲にある請求項１に記載の潤滑油組成物。   The lubrication of claim 1, wherein the ratio of the mixture of zinc primary dialkyl dithiophosphate and zinc secondary dialkyl dithiophosphate to zinc diaryl dithiophosphate is in the range of 4: 1 to 1: 1 based on phosphorus content. Oil composition. 第一級ジアルキルジチオリン酸亜鉛と第二級ジアルキルジチオリン酸亜鉛との混合物とジアリールジチオリン酸亜鉛との比が、リン分に基づき２：１である請求項１９に記載の潤滑油組成物。   20. The lubricating oil composition of claim 19, wherein the ratio of the mixture of primary zinc dialkyldithiophosphate and zinc secondary dialkyldithiophosphate to zinc diaryldithiophosphate is 2: 1 based on phosphorus content. 第一級ジアルキルジチオリン酸亜鉛と第二級ジアルキルジチオリン酸亜鉛とジアリールジチオリン酸亜鉛との混合物の比が、リン分に基づき１：１：１である請求項１に記載の潤滑油組成物。   The lubricating oil composition of claim 1, wherein the ratio of the mixture of primary zinc dialkyldithiophosphate, zinc secondary dialkyldithiophosphate and zinc diaryldithiophosphate is 1: 1: 1 based on phosphorus content. 潤滑油組成物の全リン分が、潤滑油組成物の全質量に基づき０．０５質量％未満である請求項１に記載の潤滑油組成物。   The lubricating oil composition according to claim 1, wherein the total phosphorus content of the lubricating oil composition is less than 0.05 mass% based on the total mass of the lubricating oil composition. 潤滑油組成物の全硫黄分が、潤滑油組成物の全質量に基づき０．５質量％未満である請求項１に記載の潤滑油組成物。   The lubricating oil composition according to claim 1, wherein the total sulfur content of the lubricating oil composition is less than 0.5 mass% based on the total mass of the lubricating oil composition. 潤滑油組成物の全硫黄分が、潤滑油組成物の全質量に基づき０．２質量％未満である請求項２３に記載の潤滑油組成物。   The lubricating oil composition according to claim 23, wherein the total sulfur content of the lubricating oil composition is less than 0.2 mass% based on the total mass of the lubricating oil composition. 潤滑油組成物の全硫酸灰分が、潤滑油組成物の全質量に基づき１．２質量％未満である請求項１に記載の潤滑油組成物。   The lubricating oil composition according to claim 1, wherein the total sulfated ash content of the lubricating oil composition is less than 1.2 mass% based on the total mass of the lubricating oil composition. 潤滑油組成物の全硫酸灰分が、潤滑油組成物の全質量に基づき１．０質量％未満である請求項２５に記載の潤滑油組成物。   26. The lubricating oil composition of claim 25, wherein the total sulfated ash content of the lubricating oil composition is less than 1.0% by weight based on the total weight of the lubricating oil composition. 潤滑油組成物の全硫酸灰分が、潤滑油組成物の全質量に基づき０．８質量％未満である請求項２６に記載の潤滑油組成物。   27. The lubricating oil composition of claim 26, wherein the total sulfated ash content of the lubricating oil composition is less than 0.8% by weight based on the total weight of the lubricating oil composition. 鉛腐食を改善する方法であって、主要量の潤滑粘度の基油、および第一級ジアルキルジチオリン酸亜鉛と第二級ジアルキルジチオリン酸亜鉛とジアリールジチオリン酸亜鉛との少量の混合物を含む潤滑油組成物であって、第一級ジアルキルジチオリン酸亜鉛と第二級ジアルキルジチオリン酸亜鉛との比が、リン分に基づき、２：１乃至１：２であり、第一級ジアルキルジチオリン酸亜鉛と第二級ジアルキルジチオリン酸亜鉛との混合物とジアリールジチオリン酸亜鉛との比が、６：１乃至１：１であり、かつ潤滑油組成物の全リン分が潤滑油組成物の全質量に基づき０．０６質量％未満である潤滑油組成物を用いて、内燃機関を作動させることを含む方法。   A lubricating oil composition comprising a major amount of a base oil of lubricating viscosity and a small amount of a mixture of a primary zinc dialkyldithiodiphosphate, a zinc secondary dialkyldithiophosphate and a zinc diaryldithiophosphate for improving lead corrosion. Wherein the ratio of zinc primary dialkyldithiophosphate to zinc secondary dialkyldithiophosphate is from 2: 1 to 1: 2, based on phosphorus, and the primary dialkyldithiophosphate zinc and secondary dialkyldithiophosphate The ratio of the mixture of zinc dialkyldithiophosphate to zinc diaryldithiophosphate is 6: 1 to 1: 1 and the total phosphorus content of the lubricating oil composition is 0.06 based on the total weight of the lubricating oil composition A method comprising operating an internal combustion engine with a lubricating oil composition that is less than mass%.
JP2009523982A 2006-08-09 2007-08-08 Low phosphorus lubricating oil composition with lead corrosion inhibition Expired - Fee Related JP5345935B2 (en)

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US11/463,532 US20080039348A1 (en) 2006-08-09 2006-08-09 Low phosphorus lubricating oil composition having lead corrosion control
US11/463,532 2006-08-09
PCT/US2007/075507 WO2008021901A2 (en) 2006-08-09 2007-08-08 A low phosphorus lubricating oil composition having lead corrosion control

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JP2010500457A JP2010500457A (en) 2010-01-07
JP2010500457A5 true JP2010500457A5 (en) 2010-09-24
JP5345935B2 JP5345935B2 (en) 2013-11-20

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US (2) US20080039348A1 (en)
EP (1) EP2049631B1 (en)
JP (1) JP5345935B2 (en)
CA (1) CA2659854C (en)
WO (1) WO2008021901A2 (en)

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