Resistencia a la compresión y propiedades térmicas de la albura de pino Scots impregnada con nanopartículas de óxido de magnesio y óxido de zinc
DOI:
https://doi.org/10.21829/myb.2025.312519Palabras clave:
nano, impregnación, propiedades mecánicas, TGA, pérdida de peso, difracción de rayos XResumen
Este estudio tuvo como objetivo investigar cómo la impregnación de nanoóxido de magnesio (nano-MgO) y nanoóxido de zinc (nano-ZnO) en madera de pino Scots (Pinus sylvestris L.), en concentraciones de 0.1%, 0.2% y 0.3%, afecta sus propiedades físicas, mecánicas y térmicas. Las propiedades examinadas fueron densidad, valor de retención, resistencia a la compresión, análisis termogravimétricos (TGA) e índice de cristalinidad (CI) mediante difracción de rayos X (DRX). En general, la resistencia media a la compresión paralela a la fibra en el material de madera aumentó cuando la cantidad de nanopartículas de MgO añadidas a la solución de impregnación aumentó de 0.1% a 0.3%, mientras que disminuyó en el caso de la adición de nano-ZnO a la solución. La estabilidad térmica de la madera de pino Scots tratada con nano-MgO y nano-ZnO fue mejor que la de la madera sin tratar. En general, el CI de las muestras aumentó con el incremento del contenido de nano-MgO y nano-ZnO. Este estudio ofrece una visión general de las ventajas de utilizar nano-ZnO y nano-MgO como agentes de impregnación para mejorar las propiedades de la madera.
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