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Artículo

Degradation of sisal fibre/Mater Bi-Y biocomposites buried in soil

Alvarez, Vera AlejandraIcon ; Vázquez, AnalíaIcon ; Ruseckaite, Roxana AlejandraIcon
Fecha de publicación: 12/2006
Editorial: Elsevier
Revista: Polymer Degradation And Stability
ISSN: 0141-3910
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Recubrimientos y Películas

Resumen

Degradation of short sisal fibres/Mater Bi-Y™ biocomposites during indoor burial experiments was analysed. Within the first month, water sorption was the main event followed by weight loss. Water sorption results demonstrated that composites absorbed less water than the matrix. The lower sorption capacity of composites was related to the presence of fibre-fibre and fibre-matrix (both of carbohydrate nature) interactions which delay the water intake and enhances the material stability. In soil burial, all materials followed the same degradation pattern. The amorphous nature of the matrix favoured the preferential removal of starch, which was the most bio-susceptible material, as observed by thermogravimetric analysis (TGA) and scanning electron microscopy (SEM). Fibres seemed to play a secondary role in this process, as confirmed by the slight difference in weight loss between the matrix and composites (40 and 33 wt.%, respectively). The drop in mechanical properties as a function of the exposure time was associated with the preferential loss of matrix and fibre components and the detriment of the fibre/matrix interface.
Palabras clave: Biocomposites , Biodegradation , Biofibre , Mechanical Properties , Soil Burial
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Atribución-NoComercial-SinDerivadas 2.5 Argentina (CC BY-NC-ND 2.5 AR)
Identificadores
URI: http://hdl.handle.net/11336/70106
DOI: http://dx.doi.org/10.1016/j.polymdegradstab.2006.07.011
URL: https://www.sciencedirect.com/science/article/pii/S0141391006002242
Colecciones
Articulos(INTECIN)
Articulos de INST.D/TEC.Y CS.DE LA ING."HILARIO FERNANDEZ LONG"
Articulos(INTEMA)
Articulos de INST.DE INV.EN CIENCIA Y TECNOL.MATERIALES (I)
Citación
Alvarez, Vera Alejandra; Vázquez, Analía; Ruseckaite, Roxana Alejandra; Degradation of sisal fibre/Mater Bi-Y biocomposites buried in soil; Elsevier; Polymer Degradation And Stability; 91; 12; 12-2006; 3156-3162
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