Abstract
— In this work, cation exchange membrane is developed using simultaneous radiation induced grafting technique. Grafting of styrene monomer has been done on polyethylene coated polypropylene fabric (PPF) using different absorbed doses upto maximum of 10 kGy. The sulphonation of styrene grafted PPF has been done by refluxing it in sulphuric acid. Fourier transform infrared spectroscopy (FTIR) has confirmed the grafting of styrene on PPF and the intensity of the phenyl groups is dependent on the amount of absorbed dose. X-ray diffraction (XRD) analysis revealed a decrease in crystallinity of grafted PPF and its sulphonated form. Thermal analysis (TGA) showed marked decrease in the thermal stability of sulphonated PPF as compared to styrene grafted PPF. Scanning electron microscopy (SEM) showed an increase in the thickness of fiber after grafting and sulphonation. In addition, the smooth surface of the fabric is changed into rough surface in sulphonated PPF. The PPF has shown 205.4 % grafting of styrene at 10 kGy and its sulphonated form have an ion exchange capacity value of 3.66 meq/g.

Bilal Ghafoor, Muhammad Inaam ul Hassan, Tariq Yasin, Saima Shabbir, Syed Wilayat Husain . (2017) Synthesis of Cation Exchange Membrane from Polypropylene Fabric using Simultaneous Radiation Grafting , Journal of Space Technology , Volume 7, Issue 1.
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