Kinetics in Highly Viscous Liquid Phase Realized under High Pressure

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Effect of pressure on the rate of relatively slow thermal Z to E isomerizations was studied in viscous organic liquids. The results clearly demonstrated that the reactions were transferred from the "activation limited" to the "solvent-fluctuation limited" regime by an increase in the solvent viscosity. The viscosity dependence of the observed rate could be analyzed by assuming a two-step mechanism based on the two-dimensional reaction coordinate model proposed by one of the present authors. A recent Biswas-Bagchi prediction of an inverse logarithmic dependence of rate was not born out by our experimental results. A single case of a "multi exponential" decay is also reported.

収録刊行物

  • 高圧力の科学と技術 = The Review of high pressure science and technology  

    高圧力の科学と技術 = The Review of high pressure science and technology 7, 1222-1224, 1998 

    The Japan Society of High Pressure Science and Technology

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各種コード

  • NII論文ID(NAID)
    10002693454
  • NII書誌ID(NCID)
    AN10452913
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    0917639X
  • NDL 記事登録ID
    4494198
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z17-1589
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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