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Natural fibre-reinforced thermoplastic composites from woven-nonwoven textile preforms: Mechanical and fire performance study

机译：来自织造非织造纺织品预成型件的天然纤维增强热塑性复合材料：机械和火灾性能研究

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Partially and fully biodegradable natural fibre reinforced composites have been prepared using a novel patented woven-nonwoven technology. Natural fibres included jute and sisal, whereas the matrices were of synthetic polymers derived from petroleum (polypropylene (PP)) or natural (polylactic acid (PLA)) resources. The physical, mechanical and flammability properties of these partially and fully biodegradable composites have been studied and compared with those of similarly produced glass-fibre reinforced PP and PLA composites with a view to enabling their use in automotive applications. Mechanical test results showed that the tensile and flexural moduli of the PLA composites were higher than respective PP composites. In comparison, sisal composites have higher tensile and flexural moduli than jute composites. The fire performance of the composites studied by cone calorimetry showed that while natural fibre reinforcement had no effect on time-to-ignition, peak heat release was significantly reduced. PLA composites had lower burning propensity compared to respective PP composites.
机译：部分和完全可生物降解的天然纤维增强复合材料已经使用新的专利编织 - 非织造技术制备。天然纤维包括黄麻和剑麻，而基质是衍生自石油（聚丙烯（PP））或天然（聚乳酸（PLA））资源的合成聚合物。已经研究了这些部分和完全生物降解复合材料的物理，机械和可燃性，并与类似生产的玻璃纤维增​​强PP和PLA复合材料进行了比较，以便能够在汽车应用中使用。机械测试结果表明，PLA复合材料的拉伸和弯曲模量高于各自的PP复合材料。相比之下，Sisal复合材料具有比黄麻复合材料更高的拉伸和弯曲模量。锥形量热法研究的复合材料的火灾性能表明，虽然天然纤维增强件对时 - 点燃的影响，但峰热释放显着降低。与各自的PP复合材料相比，PLA复合材料具有较低的燃烧倾向。

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