The bio-composites (Hydroxyapatite/High-density polyethylene) materials reinforced with Multi-walled carbon nanotubes for bone tissue repair

다국어 초록 (Multilingual Abstract)

Due to the predominance diseases such as bone fracture, bone cancer, and osteoporosis Worldwide. There is a developingrequirement for synthesizing biomaterials for bone repair or substitute due to the predominance of bone fracture, bone cancer,and osteoporosis. In this study, multi-wall carbon nanotubes (MWCNT) of (0.6%, 1%, 1.4%, 2%) wt.% and High-densitypolyethylene HDPE (60) wt.% were incorporated into hydroxyapatite (40) wt.% to form biocomposite using hot-presstechniques. These samples were characterized by XRD, Field Emission scanning electron microscope (FESEM), Atomic forcemicroscopy (AFM), mechanical properties with tensile strength and hardness test. Homogeneous, better distribution of thefibrous network and microstructure arrangements were among the most prominent characteristics obtained through XRD,FESEM, and AFM examinations. The result showed improved approximately (3.1 times) compared with pure sample (withoutaddition MWCNT) in the tensile test. Also, the microhardness improves approximate 24% compared to pure samples HA/HDPE. Based on the experimental results, the synthesis HA/ HDPE/MWCNT bio-composites prepared to have excellentcharacteristics that make them suitable application as a substitute material for bone repair.

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