Table 2.

Dependence of the average contact angle on the polymers concentration.

Polymer	HEC	HPMC	SCS	PO12
Concentration (%)	Average contact angle (°)
(Control) 0.000	40.79	40.19	40.19	41.63
0.010	40.20 ± 0.08	38.46 ± 0.07	39.23 ± 0.09	41.49 ± 0.06
0.025	–	–	–	40.19 ± 0.08
0.050	–	–	38.56 ± 0.08	39.10 ± 0.08
0.075	–	–	–	37.46 ± 0.07
0.100	36.49 ± 0.04	38.39 ± 0.07	38.51 ± 0.04	36.37 ± 0.07
0.200	35.33 ± 0.05	38.04 ± 0.13	–	–
0.300	–	36.32 ± 0.12	38.17 ± 0.06	–
0.400	35.23 ± 0.16	35.51 ± 0.05	–	–
0.500	–	–	34.83 ± 0.15	–
0.600	33.11 ± 0.22	–	–	–