JP2021066876A5 - - Google Patents

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JP2021066876A5
JP2021066876A5 JP2020174490A JP2020174490A JP2021066876A5 JP 2021066876 A5 JP2021066876 A5 JP 2021066876A5 JP 2020174490 A JP2020174490 A JP 2020174490A JP 2020174490 A JP2020174490 A JP 2020174490A JP 2021066876 A5 JP2021066876 A5 JP 2021066876A5
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functional fluid
fluid composition
calcium
ppmw
composition according
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JP7094339B2 (ja
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  1. 機能流体組成物であって、
    前記機能流体組成物の総重量に基づいて、50重量%を超える基油と、
    添加剤組成物であって、
    a)前記機能流体組成物の前記総重量に基づいて、少なくとも50ppmwのリンを前記機能流体組成物に提供するのに十分な量の化学式(I)のヒドロカルビル酸ホスフェートであって、
    Figure 2021066876
    式中、Rが、1〜6個の炭素原子を有する直鎖または分岐鎖ヒドロカルビル基であり、Rが、水素および1〜6個の炭素原子を有する直鎖または分岐鎖ヒドロカルビル基から選択される、ヒドロカルビル酸ホスフェートと、
    b)前記機能流体組成物の前記総重量に基づいて、少なくとも25ppmwのカルシウムを前記機能流体組成物に提供するのに十分な量の、ASTM D−2896の方法によって測定したときに225mgKOH/gを超える総塩基価を有する、1種以上の過塩基性カルシウム含有洗浄剤(複数可)と、
    c)前記機能流体組成物の前記総重量に基づいて、20ppmwを超える窒素を前記機能流体組成物に提供するのに十分な量の1種以上の窒素含有分散剤と、を混合することによって調製される、添加剤組成物と、を含み、
    前記1種以上の過塩基性カルシウム含有洗浄剤(複数可)によって提供されるカルシウムのppmwと、前記ヒドロカルビル酸ホスフェートによって提供されるリンのppmwとの重量比が、1:1〜1:10であり、
    前記機能流体組成物が、1〜200,000pS/mの伝導率範囲を有する、170℃で、デジタル伝導率メータで、ASTM D2624−15の方法によって測定したときに、80,000pS/m〜180,000pS/mの電気伝導率を有し、1〜200,000pS/mの伝導率範囲を有する、170℃で、デジタル伝導率メータで、ASTM D2624−15の方法によって測定したときの前記機能流体組成物の前記電気伝導率が、前記1種以上の過塩基性カルシウム含有界面活性剤(複数可)の非存在下にある本質的に同じ機能流体組成物より低く、
    前記機能流体が、アミドを含有しない、機能流体組成物。
  2. 前記1種以上のカルシウム含有洗浄剤(複数可)が、ASTM D−2896の方法によって測定したときに、最高175mgKOH/gの総塩基価を有する、低塩基性カルシウム含有洗浄剤をさらに含む、請求項1に記載の機能流体組成物。
  3. 前記1種以上の過塩基性カルシウム含有洗浄剤(複数可)が、過塩基性カルシウムスルホネート洗浄剤、過塩基性カルシウムフェネート洗浄剤、および過塩基性サリチル酸カルシウム洗浄剤から選択される化合物を含む、請求項2に記載の機能流体組成物。
  4. 前記ヒドロカルビル酸ホスフェートが、アミル酸ホスフェート、メチル酸ホスフェート、プロピル酸ホスフェート、ジエチル酸ホスフェート、ブチル酸ホスフェート、およびこれらの混合物からなる群から選択される、請求項1〜3のいずれか一項に記載の機能流体組成物。
  5. Rが、1〜5個の炭素原子を有するヒドロカルビル基であり、Rが、1〜5個の炭素原子を有するヒドロカルビル基であるか、またはRが、水素である、請求項1〜3のいずれか一項に記載の機能流体組成物。
  6. 前記1種以上の過塩基性カルシウム含有洗浄剤(複数可)が、前記機能流体組成物の前記総重量に基づいて、少なくとも25ppmwのカルシウム〜最高800ppmwのカルシウムを前記機能流体組成物に提供するのに十分な量で存在する、請求項1〜5のいずれか一項に記載の機能流体組成物。
  7. 前記ヒドロカルビル酸ホスフェートが、前記機能流体組成物の前記総重量に基づいて、少なくとも50ppmw〜500ppmwのリンを前記機能流体組成物に提供するのに十分な量で存在する、請求項1〜6のいずれか一項に記載の機能流体組成物。
  8. 前記窒素含有分散剤が、ポリイソブテニルスクシンイミドである、請求項1〜7のいずれか一項に記載の機能流体組成物。
  9. 前記窒素含有分散剤が、前記機能流体組成物の前記総重量に基づいて、100〜1200ppmwの窒素を前記機能流体組成物に提供するのに十分な量で存在する、請求項1〜8のいずれか一項に記載の機能流体組成物。
  10. 腐食抑制剤、酸化防止剤、および粘度改良剤からなる群から選択される1種以上の任意の成分をさらに含む、請求項1〜9のいずれか一項に記載の機能流体組成物。
  11. 前記機能流体組成物が、電気自動車のパワートレイン流体およびハイブリッド自動車のパワートレイン流体からなる群から選択される、請求項1〜10のいずれか一項に記載の機能流体組成物。
  12. 請求項1〜11のいずれか一項に記載の機能流体組成物でパワートレインの一部分を潤滑するステップを含む、電気モータを有する自動車の前記パワートレインの少なくとも前記一部分を潤滑する方法。
  13. 前記混合することが、前記添加剤組成物を前記基油に組み込む前に前記添加剤組成物の成分を混合することを含むか、または前記混合することが、前記添加剤組成物の1種以上の成分を前記基油に混合することを含む、請求項12に記載の方法。
JP2020174490A 2019-10-24 2020-10-16 電気伝導率を低減させた相乗的潤滑油 Active JP7094339B2 (ja)

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Application Number Priority Date Filing Date Title
US16/662,843 2019-10-24
US16/662,843 US11066622B2 (en) 2019-10-24 2019-10-24 Synergistic lubricants with reduced electrical conductivity

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JP2021066876A5 true JP2021066876A5 (ja) 2022-01-06
JP7094339B2 JP7094339B2 (ja) 2022-07-01

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