Figure 4

Photographic images of water dropped on sample surface ((a) PCTFE/Q, (b) FEP/Q, (c) PTFE/Q, (d) PCTFE (25,400) /Q, (e) FEP(25,400)/Q, and (f) PTFE(25,400)/Q).

Photographic images of water dropped on sample surface ((a) PCTFE/Q, (b) FEP/Q, (c) PTFE/Q, (d) PCTFE (25,400) /Q, (e) FEP(25,400)/Q, and (f) PTFE(25,400)/Q).