Reversible Surface Properties of Polybenzoxazine/Silica Nanocomposites Thin Films
Figure 5
XPS spectra (O 1s peaks) of the PBZ film after its (a) first thermal treatment at 200°C for 1 h, (b) first UV irradiation for 2 h, (c) second thermal treatment at 200°C for 1 h, and (d) second UV irradiation for 2 h.
