Transcription of 論 文 ポリビニルピロリドン 水， アルカノール (n 1 4)， 1-メ …
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論 文 ポリビニルピロリドン 水， アルカノール (n 1 4)， 1-メ …
Netsu Sokutei 36 3 130-139.. ( n 1 4) . 1- -2- .. 2009 3 16 2009 4 6 . Thermodynamic Study on the Polyvinylpyrrolidone Water, Alkanol (n 1 4), 1-Methyl-2-Pyrrolidone at K. Takuya Sugiura, Fumio Kimura, and Hideo Ogawa (Received March 16, 2009; Accepted April 6, 2009). Enthalpies of solution of polyvinylpyrrolidone (PVP, molecular weight average, Mw . 1 10 4) in water, alkanol (n 1 4) and 1-methyl-2-pyrrolidone (NMP) were measured at K using newly constructed calorimeter to investigate the solvation behavior of PVP in those solvents. Enthalpy of solution of PVP in water is exothermic. Enthalpies of solution of PVP in other solvents are smaller than uncertainty of calorimeter. Densities and sound velocities were also measured in same series of solution to calculate partial specific volumes at infinite dilution, V w,2 , partial specific isentropic compressions at infinite dilution, K s,w,2 , of PVP of different molecular weight. And viscosity was also measured to evaluate specific viscosity, SP, of these solutions.
130 Netsu Sokutei 36（3）2009 1. はじめに ポリビニルピロリドン（PVP）は高い吸湿性，成膜性， 接着性，分散性などの特徴を活かし，増粘剤や接着剤など
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