2.3.3. Fourier Transfer Infrared Spectra (FTIR)

The IR spectra of composites was analysed with a Fourier transform infra-red (FTIR) spectrometer (Nicolet Impact model 410, Nicolet, Madison, WI, USA). The equipment was operated with a resolution of 4 cm−<sup>1</sup> and scanning range from 4000 to 500 cm<sup>−</sup>1.
