Fracture behavior and biocompatibility evaluation of nylon-infiltrated porous hydroxyapatite
Source abstract
Abstract
Hybrid hydroxyapatite/polymer composites were prepared by the infiltration of nylon into porous hydroxyapatite. Porous hydroxyapatite (HAp) bodies were prepared from a whisker-like powder with high aspect ratio by pressureless-sintering at various temperatures. Pore characteristics, such as the fraction of open porosity and the pore size distribution, were designed and evaluated by mercury porosimeter. Through the in situ polymerization of e-caprolactam, infiltrated into the porous HAp body, a polymeric secondary phase network interpenetrated with the HAp phase was obtained. The obtained hybrid HAp/nylon composites were evaluated with respect to their fracture behavior, i.e., fracture energy, and in vitro bioactivity in simulated body fluid (SBF) in the present paper. These HAp/nylon hybrid composite have a KIC of 1.65 MPam1/2 and also a good bioactivity according to the results of SBF immersion tests.
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Research context
OpenAlex topics: Bone Tissue Engineering Materials · Dental Implant Techniques and Outcomes · Additive Manufacturing and 3D Printing Technologies
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References (22)
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