制备了经过氧化处理的碳纤维增强磷酸钙骨水泥(a-tricalcium phosphate cement/tetracalcium phosphate, a-CP/TTCP), 初步探讨了碳纤维长径比、含量对硬化体抗压、抗折强度的影响.实验结果表明长径比为375, 添加量为0.3wt%时, 增强效果最为理想, 抗压强度提高了55%(最大为63.46MPa), 抗折强度提高近100%(最大为11.95MPa), 而掺入量太大及长径比太高, 碳纤维因不能均匀分散将限制其性能的发挥.生物学评价实验结果表明碳纤维增强的骨水泥具有良好的生物相容性.
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