Abstract
This study creates a PET bone scaffolds with a stabilized structure. With various twists per inch (TPI), 150 denier polyester (PET) filaments are twisted into plied yarn, after which the optimal plied yarn is braided into PET bone scaffolds. The plied yarn is evaluated for mechanical properties to determine the optimal TPI. The maximum elongation of the plied yarn occurs when the TPI is at its optimal, 9. The PET bone scaffolds are immersed in sodium alginate (SA) solution and CaCl2 solution, respectively, and then observed by a stereomicroscope and evaluated for porosity. The surface observation of PET bone scaffolds indicates that the immersion leads to the adhesion of filaments and consequent, their compact arrangement, which results in a lower porosity of the bone scaffolds, but a greater tensile strength.
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