Abstract
Designing and fabricating nanocomposite scaffolds based on biodegradable polymers and bioactive materials are an important topic in the area of bone regeneration. A novel nanocomposite scaffold composed of polyurethane (BPU) and nano-bioactive glass (NBAG) was prepared. The effects of the NBAG content on the properties of the BPU/NBAG composite scaffolds, including the morphologies, porosity and compressive strength, were investigated. The BPU/NBAG composite scaffolds showed an interconnected pore structure with the pore size ranging from 50 to 500 μm for all samples. The porosity percent and swelling ability decreased with increasing NBAG content; however, the compressive strength was enhanced.
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