DISSOCIATION EQUILIBRIUM IN HYDROLYZED POLYACRYLAMIDE GEL ACCOMPANIED BY SWELLING AND SHRINKING

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概要

• 論文の詳細を見る

• An experimental investigation concerning the dissociation equilibrium in a gel accompanied by swelling and shrinking was carried out by using hydrolyzed polyacrylamide gel and buffer or NaOH solution. It was found that the gel swelled or shrank to absorb or release mobile ions and water, and the degree of change depended on the pH of solutions. In the system of Na-type gel, -COONa, and buffer solution, the relationship between the degree of dissociation of the fixed carboxyl acid in gel and the concentration of hydrogen ions in the outer aqueous phase could be correlated by an equation based on the dissociation equilibrium. In the system of H-type gel, -COOH, and NaOH solution, though the mechanism differed according to pH, the relationships conformed to equations based on the reaction equilibrium. The analytical methods developed here may be expected to apply to the enriching separations of various polymer solutions and metal ions.

• 社団法人 化学工学会の論文
• 1994-04-20

著者

• Hoshino Kazuhiro

  Department of Materials Systems Engineering and Life Science, Toyama University

• Hoshino Kazuhiro

  Department Of Materials Systems Engineering And Life Science Toyama University

• MOROHASHI Shoichi

  Department of Chemical Engineering, Faculty of Engineering, Toyama University

• SASAKURA Toshisuke

  Department of Chemical and Biochemical Engineering, Toyama University

• Sasakura T

  Toyama Univ. Toyama

• Hoshino Kazuhiro

  Section Of Functional Molecule Production Systems Field Of Nano And Functional Material Sciences Gra

• Morohashi S

  Depertment Of System Engineering Of Materials And Life Science Toyama University

• Morohashi Shoichi

  Section Of Functional Molecule Production Systems Field Of Nano And Functional Material Sciences Gra

• Morohashi Shoichi

  Department Of Chemical Engineering Faculty Of Engineering Toyama University

• Morohashi Shoichi

  Department of Chemical and Biochemical Engineering, Toyama University

• Hoshino Kazuhiro

  Department of Chemical and Biochemical Engineering, Toyama University

• SASAKURA TOSHISUKE

  Department of Chemical and Biochemical Engineering, Faculty of Engineering, Toyama University

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