UTF-8'en'[Autex Research Journal] Preparation And Properties Of Bionanocomposite Films Reinforced Wi

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PREPARATION AND PROPERTIES OF BIONANOCOMPOSITE FILMS REINFORCEDWITH NANOCELLULOSE ISOLATED FROM MOROCCAN ALFA FIBRESBenyoussif Youssefa,d*, Aboulhrouz Soumiab, El Achaby Mounirc, Cherkaoui Omara,Lallam Abdelazizd, El Bouchti Mehdia, Zahouily Mohamedb,c**aLaboratoire de recherche sur les matériaux textiles, Ecole supérieure des industries de textile et de l’habillement, 20220 Casablanca, MoroccobLaboratoire de Matériaux, Catalyse et Valorisation des Ressources Naturelles, URAC 24, Faculté des Sciences et Techniques,Université Hassan II-Casablanca B.P. 146, 20650, MoroccocMoroccan Foundation for Advanced Science Innovation and Research (MAScIR), Rabat Design,Rue Mohamed El Jazouli, Madinat El Irfane 10100-Rabat, MoroccodLaboratoire de Physique et Mécanique Textiles, Ecole Nationale Supérieure d’Ingénieurs Sud Alsace, 68093 Mulhouse, FranceE-mail: *[email protected]; **[email protected]1. IntroductionIn recent years, more attention has been paid to naturalpolymers for sustainable development and environmentalpreservation [1–3]. There has been spectacular developmentand rapidly growing interest in renewable biopolymersderived, especially from natural resources for a wide range ofapplications (biodegradable packaging materials, automotiveindustries, agriculture, pharmaceuticals…) [4–7].In this context, Alfa grasses have been used in variouscomposite applications [8, 9]. The main components of thesefibres are cellulose, hemicellulose and lignin. These fibres arecharacterised by their interesting physical and mechanicalproperties that favour its exploitation to produce biodegradablecomposites [8–9]. In North Africa, Alfa is a name of the plantStipa tenacissimaL.Species belongs to the grass familytypically Mediterranean localised, especially in the western partof the Mediterranean region. It covers a large area estimatedto about 3,186,000 ha in Morocco, 4,000,000 ha in Algeria,400,000 ha in Tunisia and 350,000 ha in Libya [10–12].Cellulose is the most abundant natural polymer in thebiosphere. It has been extensively studied in both theoryand experimentation. Carboxymethyl cellulose (CMC) is aderivative of cellulose and can be produced from annual plantpulps, cotton cellulose and wood. It is produced by introducing- CH2COOH groups into cellulose molecular chain. Accordingto unique physicochemical properties such as non-toxic,viscosity, transparency, hydrophilicity and biodegradability [13,14], CMC can be employed for several applications such asmedicine constituents, viscosity controllers, paper industry,detergents, food and textile printing among others [15–17].Nanocellulose (NC) is also a cellulose derivative composedof a nanosized fibre network, which determines the productproperties and its functionality. It has generated much attentionand interest during these few last decades because of theirvalue-added applications in science and technology, forexample, (1) in pharmaceutical formulations, as a potentialdirect compression excipient, especially in the design and

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