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Punica Granatum Fibers as Potential Reinforcement of Composite Structures
Divya Zindani,Santosh Kumar,Saikat Ranjan Maity,Sumit Bhowmik 한국섬유공학회 2020 Fibers and polymers Vol.21 No.7
In the present work, punica granatum (Punica granatum L) straw discarded from the punica granatum cultivationhas been explored for potential reinforcement to form green polymeric composites. To adjust the lignin content, the punicagranatum straw fibers (PGF) were dissolved in an aqueous solution of sodium bicarbonate (10 %w/w) for different duration(1 day, 5 days and 10 days) at room temperature. The statistical parmeter associated with the fiber morphology wasdetermined for different fiber conditions. The relationship between tensile properties and fiber transverse dimensions wasinvestigated through mathematical model. Moreover, the bio-epoxy composites reinforced with punica granatum straw fiberswere fabricated and characterized for static mechanical properties. The optimal composite composition was determined usingTOmada de Decisao Interativa Multicriterio (TODIM) methodology. PGF-5D reinforced green composite with 30 wt% fiberloading was identified as the optimal composition. Finally, micromechanics evaluation was carried out to quantify the criticalparameters playing a major role in controlling the structural-property relationships of the fabricated composites.