Wettability control on microstructured polypropylene surfaces by means of O2 plasma
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 microfabricationprocess leads to a hierarchical topography derived from the pa...
| Autores: | , , , , |
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| Tipo de recurso: | artículo |
| Fecha de publicación: | 2017 |
| País: | España |
| Institución: | Consejo Superior de Investigaciones Científicas (CSIC) |
| Repositorio: | DIGITAL.CSIC. Repositorio Institucional del CSIC |
| OAI Identifier: | oai:digital.csic.es:10261/370893 |
| Acceso en línea: | http://hdl.handle.net/10261/370893 |
| Access Level: | acceso abierto |
| Palabra clave: | Micropatterning Plasma etching Poly(propylene) (PP) Static contact angle |
| Sumario: | 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 microfabricationprocess leads to a hierarchical topography derived from the patterned microstructures and the sub-micronroughness caused by plasma.Hydrophobicity (SCA up to145°) remained over14 months after fabrication. This wetting behavior is at-tributed to the combination ofthe periodic array of micro-sized pillars with low aspect-ratio and the submicronroughness caused by O2 plasma. |
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