Rahman Habibur, Yeasmin Farjana, Islam Tarikul, Hasan Mahmudul, Uddin Muhamad Borhan, Khan Ruhul Amin
Department of Textile Engineering, Jashore University of Science and Technology (JUST), Jashore-7408, Bangladesh.
Department of Agro Product Processing Technology, Jashore University of Science and Technology (JUST), Jashore-7408, Bangladesh.
Heliyon. 2022 Apr 16;8(4):e09287. doi: 10.1016/j.heliyon.2022.e09287. eCollection 2022 Apr.
The hybridization effect of agro-waste pineapple leaf fibre (PALF) and jute fibre as reinforcement in linear low-density polyethylene (LLDPE) composites was investigated in this work. The samples were fabricated by using the heat press compression moulding. The effect of gamma irradiation on composite physico-mechanical properties was also investigated in order to determine the best gamma dose among 2.50, 5.00, 7.50, and 10.00 kGy. The composite sample containing 40% PALF and 60% jute (with a total weight of 50% fibres) demonstrated the most feasible tensile strength (33.36 ± 0.59 MPa), tensile modulus (1494.41 ± 10.94 MPa), elongation at break (50.92 ± 0.77%), bending strength (82.58 ± 0.49 MPa), bending modulus (4932.46 ± 96.12 MPa), and impact strength (34.38 ± 0.42 kJ/m) at 7.50 kGy irradiation. Thermogravimetric analysis (TGA) determined the thermal performance of the samples. Scanning electron microscopy (SEM) images at the tensile fracture surfaces of composites revealed the interfacial interaction between reinforcement fibres and matrix.
本研究考察了农业废弃物菠萝叶纤维（PALF）与黄麻纤维在线性低密度聚乙烯（LLDPE）复合材料中作为增强材料的混杂效应。样品采用热压压缩成型法制备。为了确定2.50、5.00、7.50和10.00 kGy中最佳的γ剂量，还研究了γ辐照对复合材料物理力学性能的影响。含有40% PALF和60%黄麻（纤维总重量为50%）的复合样品在7.50 kGy辐照下表现出最可行的拉伸强度（33.36±0.59 MPa）、拉伸模量（1494.41±10.94 MPa）、断裂伸长率（50.92±0.77%）、弯曲强度（82.58±0.49 MPa）、弯曲模量（4932.46±96.12 MPa）和冲击强度（34.38±0.42 kJ/m）。热重分析（TGA）测定了样品的热性能。复合材料拉伸断裂表面的扫描电子显微镜（SEM）图像揭示了增强纤维与基体之间的界面相互作用。
