Sample PVA HEC Thickness EWC Contact Tensile Elongation
Name (wt%) (wt%) (mm) (%) angle (°) strength (N/mm2) (%)

PHEC90

10 90 0.12 727 56 38 2.23

PHEC80

20 80 0.10 642 61 67 1.97

PHEC70

30 70 0.15 536 63 86 1.78

PHEC60

40 60 0.10 479 65 102 1.44

PHEC50

50 50 0.16 379 67 109 1.35

PHEC40

60 40 0.14 301 68 122 1.33

PHEC30

70 30 0.11 251 69 138 1.08

PHEC20

80 20 0.13 240 71 183 1.04

PHEC10

90 10 0.15 205 74 228 0.63
Table 1: Properties of the Phec Hydrogel Films Varying the Content of Hec.