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首页> 外文期刊>Journal of Materials Science >Compressive deformation behavior of porous PLLA/PCL polymer blend
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Compressive deformation behavior of porous PLLA/PCL polymer blend

机译：多孔PLLA / PCL聚合物共混物的压缩变形行为

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摘要

In summary, porous structure of PLLA/PCL polymer blend was successfully fabricated by using the solid–liquid phase separation method and the subsequent solvent sublimation process. The compressive mechanical properties such as the initial elastic modulus and the critical stress were then evaluated and compared with those of porous structures of pure PLLAand PCL. The experimental results suggested that these properties can be controlled by using polymer blending with various blend ratios. The deformation mechanisms associated with the microstructures were also investigated by using FE-SEM. The critical point can be recognized as the initiation of localized buckling deformation.
机译：综上所述，采用固液相分离法和随后的溶剂升华工艺成功地制备了PLLA / PCL聚合物共混物的多孔结构。然后评估压缩机械性能，例如初始弹性模量和临界应力，并将其与纯PLLA和PCL的多孔结构进行比较。实验结果表明，可以通过使用各种混合比例的聚合物共混来控制这些性能。还使用FE-SEM研究了与微结构有关的变形机理。临界点可以看作是局部屈曲变形的开始。

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