Table 3.

Water contact angle measured on the ‘as prepared’ and photo-oxidated Pebax^®2533 films.

Preparation Method	Casting Solvent	Water Contact Angle (°)
		T0	6 h
Solution casting	ethanol	112.49 ± 0.34	94.11 ± 0.70
	i-propanol	87.89 ± 0.33	87.88 ± 1.18
	HFIP	88.91 ± 1.31	83.06 ± 0.50
	1-butanol	94.40 ± 0.90	93.65 ± 0.60
Hot press	-	83.77 ± 0.51	82.72 ± 1.11