Abstract
Wetting is an important property of solid surfaces, where the surface roughness has a meaningful influence on it. This study focuses on the wetting behavior of micro-textures fabricated on acrylonitrile butadiene styrene (ABS) thermoplastic polymer to provide it anti-fingerprint properties. The structuring process was performed by ultrashort (picosecond) and short (nanosecond) pulses based on square pillars. Wetting behavior was assessed by water and oleic acid static and dynamic (hysteresis) contact angles. Both sort of micro-textures displayed a water contact angle tailored from 90⁰ (smooth ABS surface) to 150⁰ keeping a contact angle hysteresis <5⁰. Apparent color changes induced by laser were assessed to get information about the aesthetical appearance.
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