Effect of chemicals treatments on the morphological, mechanical, thermal and water uptake properties of polyvinyl chloride/palm fibers composites / Hamida Boussehel in REVUE DES COMPOSITES ET DES MATERIAUX AVANCES, Vol. 29, N° 1 (02/2019)  

[article]  inREVUE DES COMPOSITES ET DES MATERIAUX AVANCES > Vol. 29, N° 1 (02/2019) . - p. 1-8 Titre : Effect of chemicals treatments on the morphological, mechanical, thermal and water uptake properties of polyvinyl chloride/palm fibers composites Type de document : texte imprimé Auteurs : Hamida Boussehel, Auteur ; Djamel Eddine Mazouzi, Auteur ; Noureddine Belghar, Auteur ; Belhi Guerira, Auteur ; Mohamed Lachi, Auteur Année de publication : 2019 Article en page(s) : p. 1-8 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Chlorure de polyvinyle Composites à fibres végétales Composites à fibres végétales -- Propriétés mécaniques Composites à fibres végétales -- Propriétés thermiques Fibres de palmes Humidité -- Absorption:Eau -- Absorption Morphologie (matériaux) Traitement chimique Index. décimale : 668.4 Plastiques, vinyles Résumé : The use of natural resources in composite materials becomes more frequently, as they are low-colt and lightweight materials. In addition, industrial trends tend towards Eco-products, hence the importance of integrating natural products that are recyclable and easily degradable. Aim of this study is prepared polymer composites of polyvinyl chloride (PVC) using palm fibers at different loading (10 and 30 % by weight). Improving the interfacial adhesion between matrix- fluer interfaces using chemical modification of date palm fibers (DPF) by two types of treatments (acetylation, alkali). The effect of chemical treatment and fiber content on morphological, thermal, mechanical and water absorption properties of composites have been studies. It was found that the use of treated fibers in PVC composites improves the mechanical properties and decomposition temperature, and reduce water absorption of the composites. Note de contenu : - MATERIAL AND METHODS : Materials - Chemical treatments of palm fibers - Preparation of PVC composites - Characterization - RESULTS AND DISCUSSION : FTIR results - Characterization of PVC composites - Table 1 : Properties of polyvinyl chloride (PVC) - Table 2 : Thermal degradation and derivative weight loose of each thermal degradation stage with 30 wt% of fiber - Fig. 1 : FTIR spectra of untreated, acetylated and alkali treated palm fibers - Fig. 2 : SEM micrographs of PVC composites with : neat PVC, untreated fibers, acetylated and alkaly treated palm fibers - Fig. 3 : Tensile strength of neat PVC and composites with trated and untreated fibers - Fig. 4 : Elongation at break of neat PVC and composites with treated and untreated fibers - Fig. 5 : Shore hardness of neat PVC and composites with treated and untreated fibers - Fig. 6 : Thermograms of weight loss, and derivative weight loss of neat PVC and composites with 30 wt% of treated and untreated fibers - Fig. 7 : Water absorption of neat PVC and composites with treated and untreated fibers DOI : https://doi.org/10.18280/rcma.290101 En ligne : https://www.iieta.org/download/file/fid/6902 Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34730 [article]

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