Resumen: Durable and wear resistant polypropylene surfaces with static contact angle (SCA) above 140° have been fabricated using standard photolithographic process and O2 plasma etching followed by thermal annealing at 100 °C. This microfabrication process leads to a hierarchical topography derived from the patterned microstructures and the sub-micron roughness caused by plasma. Hydrophobicity (SCA up to 145°) remained over 14 months after fabrication. This wetting behavior is attributed to the combination of the periodic array of micro-sized pillars with low aspect-ratio and the submicron roughness caused by O2 plasma. Idioma: Inglés DOI: 10.1002/ppap.201700019 Año: 2017 Publicado en: Plasma Processes and Polymers 14, 8 (2017), e1700019 [6 pp] ISSN: 1612-8850 Factor impacto JCR: 2.7 (2017) Categ. JCR: POLYMER SCIENCE rank: 20 / 87 = 0.23 (2017) - Q1 - T1 Categ. JCR: PHYSICS, FLUIDS & PLASMAS rank: 8 / 31 = 0.258 (2017) - Q2 - T1 Categ. JCR: PHYSICS, APPLIED rank: 43 / 146 = 0.295 (2017) - Q2 - T1 Categ. JCR: PHYSICS, CONDENSED MATTER rank: 25 / 67 = 0.373 (2017) - Q2 - T2 Factor impacto SCIMAGO: 0.611 - Polymers and Plastics (Q1) - Condensed Matter Physics (Q2)