Study of the morphology and mechanical properties of polypropylene composites with silica or rice-husk
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Study of the morphology and mechanical properties of polypropylene composites with silica or rice-husk
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| Id. |
38184144 |
| Idioma |
inglés
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| Titulo |
Study of the morphology and mechanical properties of polypropylene composites with silica or rice-husk |
| Autor(es) |
Toro, P.
Quijada, R.
Murillo, O.
Yazdani-Pedram, M.
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| Localización |
POLYMER INTERNATIONAL 54(4):730-734
0959-8103
http://hdl.handle.net/2250/5281
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| Versión |
1.0 |
| Estado |
Final
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| Descripción |
The mechanical, morphological behavior and water absorption characteristics of polypropylene (PP) and silica, or PP and rice-husk, composites have been studied. The silica used in this study as filler was a commercial type produced from soluble glass or rice husks. The compatibilizing effect of PP grafted with monomethyl itaconate (PP-g-MMI) and/or with vinyltriethoxysilane (PP-g-VTES) as polar monomers on the mechanical properties and water absorption was also investigated. In general, a high loading of the studied fillers in the polymer matrix increases the stiffness and the water absorption capacity. This effect is more noticeable in the tensile modulus of the PP/silica composite with PP-g-VTES as compatibilizer. However, the increase of the rice-husk charge as a natural filler in the PP matrix decreases the stiffness, and in the presence of PP-g-MMI as compatibilizer in PP/rice-husk, the tensile modulus and water absorption of the composite were improved. The better adhesion and phase continuity in the PP/silica and PP/rice-husk composites with different compatibilizers was confirmed by the morphological study.
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| Palabras clave |
Silica
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| Tipo de recurso |
Article
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| Tipo de Interactividad |
Expositivo
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| Nivel de Interactividad |
muy bajo
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| Audiencia |
Estudiante
Profesor
Autor
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| Estructura |
Atomic |
| Coste |
no
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| Copyright |
sí
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| Requerimientos técnicos |
Browser: Any
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| Fecha de contribución |
14-nov-2008 |
| Contacto |
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