制备了一种新型可注射纳米磷灰石/聚酰胺66复合材料,研究了其可注射性能、在生理盐水中的凝结时间以及抗压强度.结果表明:纳米磷灰石/聚酰胺66复合材料可用针管注射,能在空气、生理盐水和血液中固化,有合理的凝结时间,高的抗压强度,可用于骨缺损的修复.在固化过程中,材料中的聚酰胺发生了物相变化,聚酰胺从结晶型相转变成无定型相,在水中固化后又转变成结晶型相;金属盐的存在破坏了聚酰胺分子间的氢键,导致了材料在固化过程中聚酰胺结构发生了变化.该材料生物相容性和生物活性好,能促进骨缺损的修复和重建.
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