Table 1.

Mechanical properties of WPI and WPI–ZnO films.

Sample	Young’s Modulus [MPa]	Tensile Strenght [MPa]	Elongation at Break [%]
WPI	12.65 ± 0.99	0.56 ± 0.18	106.16 ± 15.97
WPI–ZnO-2	32.27 ± 1.37	0.71 ± 0.15	44.19 ± 4.71
WPI–ZnO-4	36.25 ± 1.47	0.69 ± 0.04	30.90 ± 2.73
WPI–ZnO-6	39.34 ± 3.30	0.65 ± 0.10	14.67 ± 2.95