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Basalt fibre-reinforced high density polyethylene composite development using the twin screw extrusion process
Polymer Testing ( IF 3.275 ) Pub Date : 2020-09-12 , DOI: 10.1016/j.polymertesting.2020.106467
Onuh Adole, Lorna Anguilano, Timothy Minton, James Campbell, Lavelle Sean, Samaras Valisios, Karnik Tarverdi

Offshore renewable energy can lead the way towards sustainable energy harvesting and support the achievement of the CO2 reduction target by 2030. To achieve this goal it is necessary to decrease the manufacturing and deployment cost of the offshore devices. This paper focusses on the mechanical, chemical and microstructural assessment of a novel high density polyethylene (HDPE) reinforced with short basalt fibres for potential application as a hull material for wave energy devices. The choice of short fibres ensures the new composite can utilise existing low cost manufacturing methods for HDPE structures. In particular this study compares the properties of material with a recycled HDPE matrix with the properties of a material using a virgin HDPE matrix. The mechanical properties achieved by the novel composites exceed an improvement of ~300% in the properties of the monolithic polymer hence indicating the potential of this material, both for recycled and virgin HDPE. Furthermore, exploration in detail of the interaction fibres/matrix indicated the dynamic reaction between coupling agent and polymeric matrix showing the formation of molecular bonding perpendicular to the fibres, hence enhancing a 3D network that further increases the reinforcement abilities of the fibres.



中文翻译:

使用双螺杆挤出工艺开发玄武岩纤维增强的高密度聚乙烯复合材料

离岸可再生能源可以引领实现可持续能源收集的道路,并支持到2030年实现二氧化碳减排目标。为实现这一目标,有必要降低离岸设备的制造和部署成本。本文着重于对新型玄武岩短纤维增强的高密度聚乙烯(HDPE)的机械,化学和微观结构进行评估,以潜在地用作波浪能设备的船体材料。短纤维的选择确保了新的复合材料可以利用现有的低成本制造方法制造HDPE结构。尤其是,本研究将使用再生HDPE基质的材料的性能与使用原始HDPE基质的材料的性能进行了比较。新型复合材料实现的机械性能超过了整体聚合物性能的〜300%的改善,因此表明了这种材料在再生和原始HDPE方面的潜力。此外,对纤维/基体相互作用的详细研究表明偶联剂与聚合物基体之间的动态反应显示出垂直于纤维的分子键的形成,从而增强了3D网络,从而进一步提高了纤维的增强能力。

更新日期:2020-09-18
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