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handle: 10261/353562
Las superficies altamente repelentes a líquidos de distinta naturaleza han cobrado gran importancia debido a sus propiedades específicas, como autolimpieza, antihielo y anti-incrustación. En la actualidad se conocen diferentes tipos de superficies antiadherentes inspiradas en la Naturaleza. Entre ellas, las inspiradas en la hoja de loto han sido las más utilizadas durante las últimas décadas. Sin embargo, este tipo de superficies presenta algunas limitaciones, principalmente su baja estabilidad mecánica y, en general, su poca eficacia frente a líquidos de baja tensión superficial. Es por ello que ha surgido la necesidad de diseñar nuevos materiales antiadherentes, por ejemplo, los inspirados en la planta carnívora en forma de jarra llamada Nepenthes. Estos materiales son conocidos como SLIPS del inglés Slippery Liquid Infused Porous Surfaces (Superficies porosas infiltradas con líquidos deslizantes). En nuestra búsqueda de nuevos materiales con alta repelencia a los líquidos, el objetivo principal de este trabajo es crear una superficie deslizante infiltrada con líquidos libre de flúor, utilizando para ello métodos simples y fácilmente escalables. Con este propósito, se eligió el ácido poli (láctico) (PLA) como material de partida debido no solo a su biodegradabilidad sino también a su origen biobasado
Water and oil highly repellent surfaces have gained great importance due to their specific properties such as self-cleaning, anti-icing, and anti-biofouling. Nowadays, different types of non-stick surfaces inspired by Nature are known. Among them, those inspired by the lotus leaf have been the most studied and used in recent decades. However, this type of surface has limitations, the main ones being its low mechanical stability and, in general, its poor effectiveness against liquids with low surface tension. That is why the need to design new and improved non-stick materials has arisen, inspired by the pitcher-shaped carnivorous plant called Nepenthes. These materials are known as SLIPS for Slippery Liquid Infused Porous Surfaces. In our search for new materials with extreme liquid repellency, the main objective of this work is to create a fluorine-free slippery liquid infused surface, using simple and easily scalable methods. For this purpose, polylactic acid (PLA) was chosen as the raw material due not only to its biodegradability but also to its biobased origin
Los autores agradecen la financiación recibida del Ministerio de Ciencia e Innovación mediante el proyecto PID2019-109401GB- I00. Además, M. Hernández-Rivas agradece al MINECO la concesión de un contrato FPI (PRE2020-094915) para la realización de su tesis doctoral.
antihielo, estructura jerarquizada, Superhidrofobia, SLIPS, mojabilidad. Superhydrophobicity, SLIPS, lubricant, self-healing, anti-icing, hierarchical structure, contact angle, wettability., ángulo de contacto, lubricante, autolimpieza
antihielo, estructura jerarquizada, Superhidrofobia, SLIPS, mojabilidad. Superhydrophobicity, SLIPS, lubricant, self-healing, anti-icing, hierarchical structure, contact angle, wettability., ángulo de contacto, lubricante, autolimpieza
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