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首页> 外文会议>International Symposium on Eco-Materials Processing amp; Design; 20060108-11; Chengdu(CN) >Synthesis of Biodegradable β-TCP/PLGA Composites Using Microwave Energy
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Synthesis of Biodegradable β-TCP/PLGA Composites Using Microwave Energy

机译：微波能合成可生物降解的β-TCP/ PLGA复合材料

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摘要

Biodegradable β-tricalcium phosphate (β-TCP)/poly (lactide-co-glycolide) (PLGA) composites were synthesized by in situ polymerization with microwave energy. The influence of the β-TCP content in β-TCP/PLGA composites on the molecular weight, crystallinity, microstructure, and mechanical properties was investigated. As the molecular weight of composites decreased, the β-TCP content increased up to 10 wt%, while further raising of the β-TCP content above 10%, the molecular weight increased with increasing β-TCP content. This behavior may be ascribed to the superheating effect or nonthermal effect induced by microwave energy. It was found that the bending strength and Young's modulus of the β-TCP/PLGA composites were proportional to the molecular weight of PLGA. The bending strength of the β-TCP/PLGA composites ranged from 18 to 38 MPa, while Young's modulus was in the range from 2 to 6 GPa.
机译：通过微波能量原位聚合合成了可生物降解的β-磷酸三钙（β-TCP）/聚丙交酯-乙交酯（PLGA）复合材料。研究了β-TCP/ PLGA复合材料中β-TCP的含量对分子量，结晶度，微观结构和力学性能的影响。随着复合材料分子量的降低，β-TCP含量增加到10 wt％，而当β-TCP含量进一步增加到10％以上时，分子量随着β-TCP含量的增加而增加。此行为可能归因于微波能量引起的过热效应或非热效应。发现β-TCP/ PLGA复合材料的弯曲强度和杨氏模量与PLGA的分子量成正比。 β-TCP/ PLGA复合材料的弯曲强度为18到38 MPa，而杨氏模量为2到6 GPa。

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