Preparation of PVA/PAM/Zirconium phosphate Membrane for Proton Exchange Membranes

양이온교환용 PVA/PAM/Zirconium phosphate 막의 제조

  • 임지원 (한남대학교 공과대학 화학공학과) ;
  • 황호상 (한남대학교 공과대학 화학공학) ;
  • 김영진 (경상대학교 공과대학 고분자공학과, 공학연구) ;
  • 남상용 (경상대학교 공과대학 고분자공학과, 공학연구원)
  • Published : 2004.06.01


Proton exchange membrane composed of PVA/PAM/ZrP was prepared and effect of PAM and ZrP contents on properties and performance of the membrane were investigated. PAM as a crosslinking agent was mixed into PVA solution with different concentration (7∼11 wt%) and the PVA/PAM solution was cast to prepare PVA/PAM crosslinked membrane. The membrane was treated in the solution of zirconyl chloride and phophoric acid to make a PVA/PAM/ZrP composite membrane. Methanol permeability, ion conductivity, swelling and ion exchange capacity of the membranes with different ZrP concentration were $10^{-8}∼l0^{-6}$ $\textrm{cm}^2$/sec, $10^{-3}~10^{-2}$ S/cm, 0.26∼1.17 g $H_2O$/g membrane and 2.59∼5.1 meq/g membrane, respectively. Hethanol permeability and ion conductivity of the PVA/PAM/ZrP membrane were improved by 18% and 23%, respectively, compared to those of the PVA/PAM membrane.


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