• Evaluation of natural biodegradation of low-density polyethylene/modified corn flour composites 

  Sahi, Samira; DJIDJELLI, Hocine; BOUKERROU, Amar (University of Bejaia, 2023-07-29)

  Composites based of low density polyethylene (LDPE) reinforced with acetylated corn flour (ACF) at proportion of 10, 30 and 50 (%.Wt) were prepared. The biodegradation of resulting composites was studied in the environment ...
• Study of the biodegradation of composite materials reinforced with natural resources recovered from industrial areas 

  BELLILI, Nadira; DAIRI, Badrina; GUIZ, Nour Elhouda; DJIDJELLI, Hocine; BOUKERROU, Amar (University of Bejaia, 2023-07-29)

  The aim of our work is to contribute to the search for solutions to the problem linked to environmental pollution by plastic materials and lignocellulosic waste. Composites based on polyvinyl chloride/olive pomace flour ...
• Biodegradation in compost environment of PLA bioplastic containing brown algae biomass 

  IHAMOUCHEN, Chadia; AOUDIA;, Nadia; DJIDJELLI, Hocine; BOUKERROU, Amar (University of Bejaia, 2023-07-29)

  This work was focused to the study of the biodegradation of poly lactic acid (PLA) alga composites in compost environment over a period of 50 days. To highlight the interaction between the natural reinforcement and the ...
• Study of PHBV/PP mixtures: Preparation and physicochemical characterization 

  HAMOUR, Noura; BELLILI, Nadira; DAIRI, Badrina; BOUKERROU, Amar; BEAUGRAND, Johnny (University of Bejaia, 2023-07-29)

  This research work consists in studying the structure-properties relationships of biopolymer mixtures based on poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) and polypropylene (PP) elaborated by casting process according ...
• The effect of a dispersing agent on the properties of polypropylene composites with seaweed fillers 

  DEHANE, Aicha; HAMMICHE, Dalila; BOUKERROU, Amar; Singh KAITH, Balbir (University of Bejaia, 2023-07-29)

  The main focus of this work is to study the processability and characteristics of highly algae-loaded thermoplastic polymer composites. The seaweed powder was characterized in terms of morphology. Polymer/Alg composites ...
• Preparation and characterization of Polypropylene /Polyethylentherephthalate/wood Fibers composites in the presence of compatibilizer 

  DAIRI, Badrina; BELLILI, Nadira; DJIDJELLI, Hocine; BOUKERROU, Amar (University of Bejaia, 2023-07-29)

  This work consists in studying the structure-property relationships of polymer blends based on recycled polypropylene (PP) and poly (ethylene terephthalate). This research reports the results of incorporating a vegetable ...
• Hydrolytic aging of a biopolymer reinforced with Alfa fiber treated with dispersing agent 

  Klaai, Lisa; Hammiche, Dalila; Ibrahim, Hanane; Boukerrou, Amar (University of Bejaia, 2022-01-27)

  The aging of materials is a degradation or a slow evolution of the properties of the material resulting from its intrinsic instability or caused by more or less aggressive external factors. Based on the literature, ...
• Development and validation of high-performance liquid chromatography assay method for simultaneous determination of Caffeic acid, Vanillin, and Cinnamic acid in Algerian propolis extract 

  TOUTOU, Zahra; CHIBANI, Nacera; TAOUZINET, Lamia; SALHI-AMRANI, Yasmina; FATMI, Sofiane (University of Bejaia, 2022-01-30)

  Propolis is a natural bee substance and resinous material produced from various plants, which showed important biological activities. The current study aims to evaluate and validate simultaneous methods of identification ...
• Prickly pear seed: from vegetable fiber to advanced applications: A review 

  BELLACHE, Rebiha; HAMMICHE, Dalila; BOUKERROU, Amar (University of Bejaia, 2022-01-27)

  The prickly pear seed is a part rich in fatty substances; it can be exploited for the extraction of oils for food, cosmetic, pharmaceutical, and medical use. The focus of this review is to define one of the most expensive ...
• Aging by burial in soil of polylactic acid biocomposites reinforced with Alfa fiber treated with dispersing agent 

  Klaai, Lisa; Hammiche, Dalila; Ibrahim, Hanane; Imzi, Sonia; Boukerrou, Amar (University of Bejaia, 2022-01-30)

  Soil burial test comprises of placing samples in soil/ compost for long durations and testing the mechanical properties/dimensional changes/ morphology before and after soil burial. In a bioreactor, samples are placed in ...
• Valorization of shrimp waste by chemical extraction of chitin and chitosan 

  IHAMOUCHEN, Chadia; DJIDJELLI, Hocine; BOUKERROU, Amar (University of Bejaia, 2022-01-27)

  The aim of the present work is the recovery of co-products from shrimp shells by isolation of chitin and chitosan. Chitin is the major structural component of the exoskeleton of invertebrates. Chitosan, the deacetylated ...
• Analytical stress solution in hyperelastic thick-walled sphere under external pressure using different strain energy functions 

  Benslimane, Abdelhakim; Benidir, Adel (University of Bejaia, 2022-01-30)

  Due to their large deformation, rubber-like materials are used in many industrial applications. However, few studies are available in the literature on the classification of rubber-like materials, their mechanical ...
• Optimization and Formulation of Mixed Niosome/Cyclodextrin Encapsulation Process for Béjaia Propolis Extract 

  FATMI, Sofiane; TOUTOU, Zahra; CHIBANI, Nacéra; LEZRAG, Hayet Ahlem; SKIBA, Mohamed; IGUEROUADA, Mokrane (University of Bejaia, 2024-07-15)

  This study focuses on the preparation and optimization of a mixed cyclodextrin and niosomal suspension containing propolis extract from the Melbou region. The experimental design was utilized to determine the key parameters ...
• Development and characterization of a new composite material based on polyvinyl chloride and common reed flour 

  Samia BENMESLI (University of Bejaia, 2024-07-20)

  The objective of this work is to develop and characterize a composite material with a polyvinyl chloride matrix and filler of plant origin, common reed flour. The filler is obtained by grinding and sieving. The composites ...
• Study of the properties of a hybrid composite thermoplastic matrix/vegetable fillers 

  BELLILI, Nadira; DAIRI, Badrina; RABEHI, Nadjia; LARKEM, Sara; DJIDJELLI, Hocine; BOUKERROU, Amar (University of Bejaia, 2024-07-19)

  The study carried out in this work aimed to develop and characterize hybrid composites based on polychloride of vinyl reinforced with date stone flour (DSF) and starch with PVC%/DSF%/ starch % percentages: 80/0/0, 80/20/0, ...
• Green composites: A review of materials and perception 

  Klaai, Lisa; Hammiche, Dalila (University of Bejaia, 2024-07-15)

  The purpose of manufacturing a composite material is to take advantage of the recognized properties of each component in order to build one that will be better suited to certain applications. A composite is a material that ...
• A Review of Composite Materials 

  Klaai, Lisa; Hammiche, Dalila (University of Bejaia, 2024-07-10)

  Unlike conventional materials, composites have become an optimal option for a range of modern, industrial, clinical, and sports applications. This is combined with their noteworthy physical, thermal, electrical, and ...
• Synthesis And Characterization Of Poly (Glycolic Acid) By Azeotropic Polycondensation 

  KERROUCHE, Djamila; SADOUN, Tahar; ROUBA, Nabila; MIMI, Nassiba; BENGHANEM, Nacera; BOURICHE, Siham (University of Bejaia, 2024-07-17)

  Poly (glycolic acid) synthesis was achieved through azeotropic polycondensation of a Hydroxy acid (glycolic acid), in the presence of a catalyst (SnCl2, 2H2O) and an organic solvent, xylene, at a temperature of 170°C for ...
• Study of the effect of MAPP rate on the morphology and thermal properties of PP/r-PET blends 

  DAIRI, Badrina; BELLILI, Nadira; LARKEM, Sara; RABEHI, Nadjia; DJIDJELLI, Hocine; BOUKERROU, Amar (University of Bejaia, 2024-07-18)

  The morphological and thermal study of the blends based on polypropylene (PP) and poly (ethylene terephthalate) recycled (r-PET) without and with a compatibilizer MAPP. PP/r-PET /MAPP Melt blending, the effect of blend ...
• STUDY OF L/D RATIO EFFECT ON RESIDUAL HOOP STRESS EVOLUTION IN POLYETHYLENE PIPE 

  BOUCHAKHCHOUKHA, Soumia; ALIMI, Latifa; CHAOUI, Kamel (University of Bejaia, 2024-01)

  In extrusion process of polyethylene tubes, it is known that residual stresses are the consequences of manufacturing process, which requires homogeneous geometric dimensions of diameter and thickness. These impose rapid ...

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