Figure 7. FTIR spectra for (A) base PET films, (B) for simultaneous γ-induced grafted PET (gPET) films, (C) γ- induced grafted sulfonated (gsPET), (D) UV-induced grafted PET (gPET) films, (E) UV-induced grafted sulfonated PET (gsPET) films, and (F) UV-induced grafted–CCl4 sulfonated PET (coloration) (gsPET) films

From

Properties of Proton Exchange Membranes Poly-ethylene Terephthalate (PET) Films Developed by Gamma Radiation Induced Grafting and Sulfonation Technique

Khadiza Begam, Md. AlamgirKabir, M. Mahbubur Rahman, Md. Abul Hossain, Mubarak A. Khan

Physics and Materials Chemistry. 2013, 1(2), 13-20 doi:10.12691/pmc-1-2-2