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Orange Wood Fiber Reinforced Polypropylene Composites: Thermal Properties

Bioresources, 2015-01, Vol.10 (2), p.2156-2166 [Peer Reviewed Journal]

Tots els drets reservats info:eu-repo/semantics/openAccess ;Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 1930-2126 ;EISSN: 1930-2126 ;DOI: 10.15376/biores.10.2.2156-2166

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  • Title:
    Orange Wood Fiber Reinforced Polypropylene Composites: Thermal Properties
  • Author: Reixach, Rafel ; Puig, Josep ; Méndez, José Alberto ; Gironès, Jordi ; Espinach, Francesc X. ; Arbat, Gerard ; Mutjé, Pere
  • Subjects: Fiber-reinforced plastics ; Mechanics ; Mechanics of materials ; Orange pruning fibers ; Physics ; Plàstics reforçats amb fibra ; Polypropylene composites ; Propietats tèrmiques ; Thermal properties
  • Is Part Of: Bioresources, 2015-01, Vol.10 (2), p.2156-2166
  • Description: A major drawback of natural-based composites is the incorporation of reinforcements that are less thermally stable than the matrix; therefore, the thermal properties of the resultant composite material needs to be studied. In this work, orange wood fibers were used to reinforce polypropylene. The effects on the thermal properties of the polymeric matrix were analyzed. To this end, differential scanning calorimetry (DSC), thermogravimetry (TGA), thermomechanical analysis (TMA), and dynamic-mechanical analysis (DMA) were performed. It was found that the degradation of the material took place in two distinct phases: the reinforcement, close to 250 degrees C, and the matrix, above 340 degrees C. DSC results showed that fiber reinforcement did not influence the transition temperatures of the materials, although it did affect the polymer crystallinity value, increasing by 7% when the composite is reinforced with 50% of the lignocellulosic reinforcement. The coefficient of expansion obtained by TMA indicated that thermal expansion decreased as the amount of reinforcement increased. DMA assays showed that the reinforcement did not modify the glass transition (20 to 25 degrees C) temperature and confirmed that the addition of reinforcement increased the crystallinity of the product The authors are grateful for the support of the EMCI - Ministerio de Ciencia e Innovacion (MICINN) for funding the research by the specific Research Program CTQ2010-21660-C03-03
  • Publisher: North Carolina State University. Dept of Wood Paper Science, College of Natural Resources
  • Language: English
  • Identifier: ISSN: 1930-2126
    EISSN: 1930-2126
    DOI: 10.15376/biores.10.2.2156-2166
  • Source: Recercat
    Geneva Foundation Free Medical Journals at publisher websites
    Hyper Article en Ligne (HAL) (Open Access)
    Directory of Open Access Journals
    ROAD: Directory of Open Access Scholarly Resources
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