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Título: | Micromechanical properties of injection-molded starch-wood particle composites |
Autor: | Ueberschaer, A.; Cagiao, M. E. CSIC ORCID; Bayer, R. K. CSIC; Henning, S.; Baltá Calleja, Francisco José CSIC ORCID | Palabras clave: | Polysaccharides/hardness composites Creep |
Fecha de publicación: | 2006 | Citación: | Journal of Applied Polymer Science, 100(6), 4893-4899 (2006) | Resumen: | The micromechanical properties of injection molded starch–wood particle composites were investigated as a function of particle content and humidity conditions. The composite materials were characterized by scanning electron microscopy and X-ray diffraction methods. The microhardness of the composites was shown to increase notably with the concentration of the wood particles. In addition,creep behavior under the indenter and temperature dependence were evaluated in terms of the independent contribution of the starch matrix and the wood microparticles to the hardness value. The influence of drying time on the density and weight uptake of the injection-molded composites was highlighted. The results revealed the role of the mechanism of water evaporation, showing that the dependence of water uptake and temperature was greater for the starch–wood composites than for the pure starch sample. Experiments performed during the drying process at 70°C indicated that the wood in the starch composites did not prevent water loss from the samples. | Versión del editor: | https://doi.org/10.1002/app.23304 | URI: | http://hdl.handle.net/10261/79483 | DOI: | 10.1002/app.23304 |
Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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injection‐molded starch–wood.pdf | 888,01 kB | Adobe PDF | Visualizar/Abrir |
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