Fig. 1: Casting solutions characterizations.

Viscosity curves of PSF/EVOH (20 wt. %) casting solution with increasing HNT content and temperature (a), Raman spectra of PSF/EVOH (M0) and PSF/EVOH /HNT (M12) casting solutions (b).

Viscosity curves of PSF/EVOH (20 wt. %) casting solution with increasing HNT content and temperature (a), Raman spectra of PSF/EVOH (M0) and PSF/EVOH /HNT (M12) casting solutions (b).