However, clearly the measured contact angles θ do not show a decreasing trend as the Wenzel ( θ w ) condition.
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Wettability control of polymeric microstructures replicated from laser-patterned stamps.
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The sentences
The hysteresis Δθ for textured PET varies in the range between 12 ± 9.6° and 23 ± 1.6° without showing a clear trend with the aspect ratio of the microstructure.