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首页> 外文期刊>Journal of natural fibers >Influence of Surface Modifications of Flax Fiber on Mechanical and Flow Properties of Thermoplastic Polyurethane Based Eco-Composites
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Influence of Surface Modifications of Flax Fiber on Mechanical and Flow Properties of Thermoplastic Polyurethane Based Eco-Composites

机译：亚麻纤维的表面改性对热塑性聚氨酯基生态复合材料的力学和流动性能的影响

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摘要

In this study, several treatments including alkali, permanganate, peroxide and silanization were applied to flax fiber (FF) to improve its adhesion to bio-based thermoplastic polyurethane (TPU) matrix. TPU/FF composites were prepared at a constant ratio of 30 wt% by using extrusion process. Their mechanical properties, modulus of elasticity, water uptake behaviors, melt-flow properties and morphologies of composites were investigated. All treatments resulted in better mechanical properties with respect to untreated FF. Silane treated FF containing composite exhibited the highest tensile strength and lowest water absorption. Results confirmed that surface modifications improve the adhesion between FF and TPU matrix.
机译：在这项研究中，对亚麻纤维（FF）进行了包括碱，高锰酸盐，过氧化物和硅烷化在内的多种处理，以改善其对生物基热塑性聚氨酯（TPU）基体的粘合力。通过使用挤出工艺以30重量％的恒定比率制备TPU / FF复合材料。研究了它们的机械性能，弹性模量，吸水性能，熔体流动性能和复合材料的形貌。与未处理的FF相比，所有处理均导致更好的机械性能。经硅烷处理的含FF复合材料表现出最高的拉伸强度和最低的吸水率。结果证实，表面改性可改善FF与TPU基质之间的附着力。

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