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首页> 外文期刊>Journal of Applied Polymer Science >Kenaf fiber/poly(epsilon-caprolactone) biocomposite with enhanced crystallization rate and mechanical properties
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Kenaf fiber/poly(epsilon-caprolactone) biocomposite with enhanced crystallization rate and mechanical properties

机译：红麻纤维/聚ε-己内酯生物复合材料，具有更高的结晶速率和机械性能

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摘要

Plant-derived kenaf fiber (KF)-reinforced POIY(E-caprolactone) (PCL) biocomposites were successfully fabricated by the melt mixing technique. The crystallization behavior, morphology, and mechanical and dynamic mechanical properties of PCL/KF composites with various KF weight contents were investigated. The crystallization rate, tensile and storage moduli significantly improved as compared to the virgin polymer. The half times of PCL/KF composite (20 wt % fiber content) in isothermal crystallization at 40 degrees C and 45 degrees C reduced to 31.6% and 42.0% of the neat PCL, respectively. Moreover, the tensile and storage modulus of the composite are improved by 146% and 223%, respectively, by the reinforcement with 30% KF. The morphology evaluated by SEM indicates good dispersion and adhesion between KF and PCL. Overall, these findings reveal that KF can be a potential reinforcement for the biodegradable polymer composites owing to its good ability to improve the mechanical properties as well as crystallization rate. (c) 2007 Wiley Periodicals, Inc.
机译：通过熔融混合技术成功地制备了植物来源的洋麻纤维（KF）增强的POIY（E-己内酯）（PCL）生物复合材料。研究了不同KF重量含量的PCL / KF复合材料的结晶行为，形貌以及力学和动态力学性能。与原始聚合物相比，结晶速率，拉伸模量和储能模量显着提高。在40摄氏度和45摄氏度等温结晶中，PCL / KF复合材料（纤维含量为20 wt％）的一半时间分别减少到纯PCL的31.6％和42.0％。此外，通过用30％KF进行增强，复合材料的拉伸模量和储能模量分别提高了146％和223％。通过SEM评估的形态表明KF和PCL之间良好的分散性和粘附性。总的来说，这些发现表明，由于KF具有改善机械性能和结晶速率的良好能力，因此它可以作为可生物降解聚合物复合材料的潜在增强剂。 （c）2007年Wiley Periodicals，Inc.

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