Preparation of cross‐linked SPEEK‐zirconium phosphate hybrid membranes by electron beam irradiation

In this study, cross-linked sulfonated poly(ether ether ketone) (SPEEK) membranes containing various amounts of zirconium phosphate (ZrP) particles were fabricated using an electron beam irradiation method. The water uptake and IEC value of the cross-linked SPEEK/ZrP hybrid membranes were higher than those of cross-linked SPEEK membranes and increased with an increase in ZrP content. Furthermore, under high temperature and low humidity conditions (120°C and RH 35%), the cross-linked SPEEK/ZrP hybrid membrane exhibited a higher proton conductivity (1.41 × 10−3 S/cm) compared with the cross-linked SPEEK membrane (1.13 × 10−4 S/cm). POLYM. COMPOS., 2016. © 2016 Society of Plastics Engineers