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. 2021 Apr 13;14(8):1951. doi: 10.3390/ma14081951

Figure 10.

Figure 10

SEM micrographs of the sample surfaces for neat PP (a), and PP/PU-PFPE dried at ambient conditions (b), dried at 70 °C (c), or at 70 °C and 5 × 106 Pa (d).