具有弱磁性能的FeNip/HAP/PEEK生物复合材料的制备及其生物相容性
Preparation and biocompatibility of FeNip/HAP/PEEK biocomposites with weak magnetic properties.
作者信息
Liu Dengyu, Zhu Zhenghou, Zhou Jia, Zhao Hui, Chen Jie, Bai Ruru, Lin Qianying, Alagarsamy Manikandan
机构信息
School of Materials Science & Engineering, Nanchang University Nanchang 330031 China
Institute of Space Science and Technology, Nanchang University Nanchang 330031 China
出版信息
RSC Adv. 2019 Mar 29;9(18):10081-10090. doi: 10.1039/c9ra00719a. eCollection 2019 Mar 28.
Hydroxyapatite (HAP)/polyetheretherketone (PEEK) composites are widely used in the new generation of bone implant materials. The use of weak magnetic fields can promote the biocompatibility of PEEK materials. In this paper, FeNi alloy nanopowders and FeNi/HAP/PEEK composites were prepared by liquid phase chemical reduction and liquid phase mixing. The prepared FeNi alloy nanopowders have a particle size of about 100 nm and good chemical activity and magnetic properties. The saturation magnetization ( ) of the FeNi alloy powders is 70 emu g. FeNi nano-powders in FeNi/HAP/PEEK composites are uniformly distributed in the matrix in the form of individual particles, achieving nano-level dispersion. With the increase of FeNi alloy powders content, the magnetic properties of the composites are significantly enhanced. The biocompatibility of FeNi/HAP/PEEK composites is significantly better than that of PEEK and HAP/PEEK materials. The 2% FeNi/HAP/PEEK composite has the best comprehensive performance, and its biocompatibility is good. The contact angle is only 55.85°. The reaches 1.5 emu g and the hardness reaches 42 HBa.
羟基磷灰石（HAP）/聚醚醚酮（PEEK）复合材料被广泛应用于新一代骨植入材料中。弱磁场的使用可以促进PEEK材料的生物相容性。本文通过液相化学还原法和液相混合法制备了FeNi合金纳米粉末以及FeNi/HAP/PEEK复合材料。所制备的FeNi合金纳米粉末粒径约为100 nm，具有良好的化学活性和磁性。FeNi合金粉末的饱和磁化强度（ ）为70 emu g。FeNi/HAP/PEEK复合材料中的FeNi纳米粉末以单个颗粒的形式均匀分布在基体中，实现了纳米级分散。随着FeNi合金粉末含量的增加，复合材料的磁性能显著增强。FeNi/HAP/PEEK复合材料的生物相容性明显优于PEEK和HAP/PEEK材料。2%的FeNi/HAP/PEEK复合材料具有最佳的综合性能，其生物相容性良好。接触角仅为55.85°。 达到1.5 emu g，硬度达到42 HBa。
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