Figure 3.

FTIR Spectra of studied films with and without epoxidized oil conditioned at 53% R.H. and 25 °C: A) Complete FTIR spectra; B) FTIR spectra section between 2800 cm⁻¹ and 3700 cm⁻¹; C) FTIR spectra section between 1700 cm⁻¹ and 1800 cm⁻¹ and D) FTIR spectra section between 800 cm⁻¹ and 1070 cm⁻¹