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Utilization of Waste Bamboo Fibers in Thermoplastic Composites: Influence of the Chemical Composition and Thermal Decomposition Behavior

Polymers, 2020-03, Vol.12 (3), p.636 [Peer Reviewed Journal]

2020 by the authors. 2020 ;ISSN: 2073-4360 ;EISSN: 2073-4360 ;DOI: 10.3390/polym12030636 ;PMID: 32168761

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  • Title:
    Utilization of Waste Bamboo Fibers in Thermoplastic Composites: Influence of the Chemical Composition and Thermal Decomposition Behavior
  • Author: Yeh, Chin-Hao ; Yang, Teng-Chun
  • Subjects: bamboo-plastic composites (bpcs) ; chemical composition ; physico-mechanical properties ; thermal decomposition kinetics ; waste bamboo fibers
  • Is Part Of: Polymers, 2020-03, Vol.12 (3), p.636
  • Description: In this study, four types of waste bamboo fibers (BFs), Makino bamboo (Phyllostachys makinoi), Moso bamboo (Phyllostachys pubescens), Ma bamboo (Dendrocalamus latiflorus), and Thorny bamboo (Bambusa stenostachya), were used as reinforcements and incorporated into polypropylene (PP) to manufacture bamboo‒PP composites (BPCs). To investigate the effects of the fibers from these bamboo species on the properties of the BPCs, their chemical compositions were evaluated, and their thermal decomposition kinetics were analyzed by the FlynnWallOzawa (FWO) method and the Criado method. Thermogravimetric results indicated that the Makino BF was the most thermally stable since it showed the highest activation energy at various conversion rates that were calculated by the FWO method. Furthermore, using the Criado method, the thermal decomposition mechanisms of the BFs were revealed by diffusion when the conversion rates (α) were below 0.5. When the α values were above 0.5, their decomposition mechanisms trended to the random nucleation mechanism. Additionally, the results showed that the BPC with Thorny BFs exhibited the highest moisture content and water absorption rate due to this BF having high hemicellulose content, while the BPC with Makino BFs had high crystallinity and high lignin content, which gave the resulting BPC better tensile properties.
  • Publisher: Switzerland: MDPI
  • Language: English
  • Identifier: ISSN: 2073-4360
    EISSN: 2073-4360
    DOI: 10.3390/polym12030636
    PMID: 32168761
  • Source: GFMER Free Medical Journals
    PubMed Central
    ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
    DOAJ Directory of Open Access Journals
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