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首页> 外文期刊>Applied Surface Science >Effect Of Surface Modified Hydroxyapatite On The Tensile Property Improvement Of Ha/pla Composite
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Effect Of Surface Modified Hydroxyapatite On The Tensile Property Improvement Of Ha/pla Composite

机译：表面改性羟基磷灰石对Ha / pla复合材料拉伸性能改善的影响

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摘要

In this study, we modified the surface of hydroxyapatite (HA) particle by ring-opening polymerization of lactide (LA). The modified HA particles were characterized by IR and TGA. It was shown that LA could be graft-polymerized onto the surface of HA. A series of composites based on modified HA/PLA were further prepared and characterized. It indicated that the modified HA particles were well dispersed in PLA matrix than unmodified HA particles and the adhesion between HA particle and PLA matrix was improved. The modified HA/PLA composites showed good mechanical properties than that of unmodified HA/PLA.
机译：在这项研究中，我们通过丙交酯（LA）的开环聚合修饰了羟基磷灰石（HA）颗粒的表面。改性的HA颗粒通过IR和TGA表征。结果表明，LA可以接枝聚合到HA的表面。进一步制备和表征了一系列基于改性HA / PLA的复合材料。结果表明，改性HA粒子与未改性HA粒子相比，在PLA基质中的分散性更好，HA粒子与PLA基质之间的附着力得到改善。改性的HA / PLA复合材料比未改性的HA / PLA具有良好的机械性能。

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