Aspartic Acid-derived Wear-preventing and Friction-reducing Agents for Ionic Liquids

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The first additives that improve the tribological properties of ionic liquids were designed. They were evaluated by a ball-on-flat type tribo-test under reciprocating motion. Tetraalkylammonium and tetraalkylphosphonium salts of N-protected aspartic acid was dissolved in 1-alkyl-3-methylimidzolium bis(trifluoromethylsulfonyl)imide. They prevented wear remarkably and reduced friction considerably. The salt of N-protected glutamic acid prevented wear but did not reduce friction under the conditions we have evaluated. A new model of boundary film composed of liquid clathrate structure is proposed herein.

収録刊行物

  • Chemistry letters

    Chemistry letters 37(3), 300-301, 2008-03-05

    The Chemical Society of Japan

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各種コード

  • NII論文ID(NAID)
    10021078480
  • NII書誌ID(NCID)
    AA00603318
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    03667022
  • データ提供元
    CJP書誌  IR 
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