JP2003193077A5 - - Google Patents

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Publication number
JP2003193077A5
JP2003193077A5 JP2002354556A JP2002354556A JP2003193077A5 JP 2003193077 A5 JP2003193077 A5 JP 2003193077A5 JP 2002354556 A JP2002354556 A JP 2002354556A JP 2002354556 A JP2002354556 A JP 2002354556A JP 2003193077 A5 JP2003193077 A5 JP 2003193077A5
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JP
Japan
Prior art keywords
dispersant
lubricating oil
oil composition
moiety
lubricating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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JP2002354556A
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English (en)
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JP2003193077A (ja
JP5203550B2 (ja
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Publication date
Priority claimed from US10/010,668 external-priority patent/US6743757B2/en
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Publication of JP2003193077A publication Critical patent/JP2003193077A/ja
Publication of JP2003193077A5 publication Critical patent/JP2003193077A5/ja
Application granted granted Critical
Publication of JP5203550B2 publication Critical patent/JP5203550B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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【特許請求の範囲】
【請求項1】 ポリアルケニル置換モノ又はジカルボン酸、その無水物又はエステルとポリアミンとの反応生成物を含む分散剤であって、該反応生成物がポリアルケニル部分に対して約1.3より大きく約1.7未満のモノ又はジカルボン酸生成部分を有し、前記ポリアルケニル部分の分子量分布(Mw/Mn)が約1.5〜約2.0である分散剤。
【請求項2】 前記ポリアルケニル部分の数平均分子量(Mn)が約1800〜約3000である、請求項1記載の分散剤。
【請求項3】 前記ポリアルケニル置換モノ又はジカルボン酸、その無水物又はエステルがポリイソブテンコハク酸無水物である、請求項1記載の分散剤。
【請求項4】 前記ポリイソブテンコハク酸無水物が得られるポリイソブテン部分の末端ビニリデン含量が、少なくとも65重量%である、請求項3記載の分散剤。
【請求項5】 前記ポリイソブテン部分が高反応性ポリイソブチレン(HR-PIB)を含んでいる、請求項4記載の分散剤。
【請求項6】 前記ポリアミンの窒素原子/分子が平均約6〜7個である、請求項1記載の分散剤。
【請求項7】 前記反応生成物がポリアルケニル部分に対して約1.3より大きく約1.6までのモノ又はジカルボン酸生成部分を有する、請求項1記載の分散剤。
【請求項8】 前記ポリアミンが少なくとも1つの第一アミン部分を含み、前記ポリアミンの第一アミン部分に対して約0.8〜約1.0のスクシニル部分から得られる、請求項1記載の分散剤。
【請求項9】 多量の潤滑粘性油と、少量の請求項1記載の分散剤とを含む潤滑油組成物。
【請求項10】 前記潤滑粘性油がIII族油、IV族油、V族油、又はその混合物である、請求項記載の潤滑油組成物。
【請求項11】 前記潤滑粘性油のNoack揮発度が13.5%以下で粘度指数(VI)が少なくとも120である、請求項記載の潤滑油組成物。
【請求項12】 前記組成物のNoack揮発度が12%以下である、請求項11記載の潤滑油組成物。
【請求項13】 モリブデン含有耐摩耗性剤又は酸化防止剤、サリチル酸カルシウム清浄剤又は中性清浄剤からなる群より選ばれた少なくとも1種の追加添加剤の少量を更に含んでいる、請求項記載の潤滑油組成物。
【請求項14】 リン含量が前記潤滑油組成物の全重量に対して0.08重量%以下である、請求項記載の潤滑油組成物。
【請求項15】 多量の潤滑粘性油と、潤滑油組成物の全重量に対して約1〜約7重量%の請求項1記載の分散剤とを含む潤滑油組成物。
【請求項16】 約20〜90重量%の通常は液体で実質的に不活性の有機溶媒又は希釈剤と、約10〜約90重量%の請求項1記載の分散剤を含んでいる添加剤とを含む添加剤濃縮物。
【請求項17】 動作中の内燃機関のピストンの清浄度を向上させる方法であって、前記機関を請求項15記載の潤滑油組成物で潤滑する工程を含む、前記方法。
JP2002354556A 2001-12-06 2002-12-06 分散剤及びそれを含む潤滑油組成物 Expired - Lifetime JP5203550B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/010,668 US6743757B2 (en) 2001-12-06 2001-12-06 Dispersants and lubricating oil compositions containing same
US10/010668 2001-12-06

Publications (3)

Publication Number Publication Date
JP2003193077A JP2003193077A (ja) 2003-07-09
JP2003193077A5 true JP2003193077A5 (ja) 2006-01-19
JP5203550B2 JP5203550B2 (ja) 2013-06-05

Family

ID=21746828

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002354556A Expired - Lifetime JP5203550B2 (ja) 2001-12-06 2002-12-06 分散剤及びそれを含む潤滑油組成物

Country Status (6)

Country Link
US (1) US6743757B2 (ja)
EP (1) EP1318189B1 (ja)
JP (1) JP5203550B2 (ja)
CN (1) CN1261548C (ja)
CA (1) CA2413676A1 (ja)
SG (1) SG102702A1 (ja)

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US20040259742A1 (en) * 2003-06-18 2004-12-23 Mishra Munmaya K. Use of dispersant viscosity index improvers in exhaust gas recirculation engines
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US20050101496A1 (en) * 2003-11-06 2005-05-12 Loper John T. Hydrocarbyl dispersants and compositions containing the dispersants
US20050124509A1 (en) * 2003-12-04 2005-06-09 Antonio Gutierrez Lubricating oil compositions
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US10472584B2 (en) 2015-07-30 2019-11-12 Infineum International Ltd. Dispersant additives and additive concentrates and lubricating oil compositions containing same
US11168280B2 (en) 2015-10-05 2021-11-09 Infineum International Limited Additive concentrates for the formulation of lubricating oil compositions
US10487286B2 (en) * 2016-05-23 2019-11-26 Infineum International Ltd. Highly borated dispersant concentrates for lubricating oil compositions and methods for forming same
US10655052B2 (en) 2016-12-30 2020-05-19 M-I L.L.C. Method and process to stabilize asphaltenes in petroleum fluids
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