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采用注射成型法制备了羟基磷灰石/聚酰胺6(HA/PA6)多孔支架,用SEM、XRD、DSC等手段表征了支架的组成结构和形貌,检测了其力学性能.研究表明,调节羟基磷灰石(HA)含量、偶氮二甲酰胺(AC)用量和预塑量能有效控制支架的力学性能、孔径大小和孔隙率.HA/PA6支架的孔径在100~500μm左右,孔隙率达到甚至超过65%,压缩模量和压缩强度达到或超过人体骨小梁,并接近人体松质骨的压缩性能,基本能够同时满足支架对力学性能和孔结构的要求.与多孔支架的常规制备方法比较,提供了一种快速便利的制备多孔支架的技术方法.

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