_DSC_DSC_
chemical%20stabilityconductivitydensehydrophilichydrophobicion%20exchange%20capacitymechanical%20propertiesmechanical%20strengthmethanol%20permeabilitymicrostructuremorphologypermeabilitypermeanceproton%20conductivityselectivityseparation%20factorseparation%20performancestructurethermalthermal%20stabilitywater%20uptakehydrophilicityiecwater%20permeability