Existence of a Novel Liguid Phase in Methyl Acetate

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概要

• 論文の詳細を見る

• c-c-o-For methyl acetate with a planar structure II 111 the molecule,a spin-lattice relaxation time (7'.) arnd a specific volume were measured in the liquidphase. Methyl acetate has a liquid-liquid phase transition at -I2'C at atmo-spheric pressure. The liquid phase is divided into two parts ?tamed as L. and L.corresponding as high and Ioxv temperature liquid phase, respectively. An ana-lysis of 7'.-temperature relation resulted in that there are two kinds of mode ofthe molecular motion. The phase transition corresponds to the change in themolecular motion and the mode whose correlation time is shorter than the otherappears in each liquid phase. The L. state is a mesomorphic state due to a planarc-c-o-strttcture of II group.A pressure dependence of the transition temperaturewas obtained from T. measurement at high pressure. The value of c3.P/dT at150 MPa is about 5 x 10' Pa/deg.

• 社団法人日本物理学会の論文
• 1983-09-15

著者

• Kawanishi Shunichi

  Takasaki Radiation Chemistry Research Establishment Japan Atomic Energy Research Institute

関連論文

• A Novel Liquid State of trans-1,2-Dichloroethylene
• Existence of Novel Liquid Phases of trans-1,2-Dechloroethylene at High Pressure
• Liquid-Liquid Phase Transition in a,β,β-Trifluoroacrylonitrile
• Nuclear Magnetic Resonance and Relaxation Studies of Molecular Motion in Acrylonitrile
• Existence of a Novel Liguid Phase in Methyl Acetate

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