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A novel approach to obtain conductive tracks on PP/MWCNT nanocomposites by laser printing

机译：一种新的激光印刷在PP / MWCNT纳米复合材料上获得导电轨道的新方法

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This article aims to develop metal free conductive tracks on polymer nanocomposites based on a polypropylene matrix in the presence of MWCNTs, by using laser printing. The main purpose is to obtain electrical wiring that can replace the metal wires commonly used for electrical transmission. A complete investigation is carried out in order to study the effect of the laser processing on the polymer matrix and the influence of the MWCNTs on the electrical and thermal properties of the polymer-based nanocomposites. The paper also describes the effect of the laser on the final microstructure of the CNTs-based nanocomposites. The results obtained clearly indicate that the laser printing is a simple, flexible, and relatively low cost approach to obtain conductive tracks on PP in the presence of MWCNTs, depending on the laser parameters set up. In fact, as found, it is strictly necessary to reach a good compromise between the electrical resistance values and the final integrity of the samples, because the laser printing treatment can induce damage on the final material because of the high energy absorbed on the polymer surface and the high temperatures generated. A circuit prototype has been also designed and developed.
机译：本文旨在通过使用激光印刷在MWCNTS存在下基于聚丙烯基质在聚合物纳米复合材料上形成金属无导电轨道。主要目的是获得电线，其可以代替通常用于电传动的金属线。进行完整的研究，以研究激光加工对聚合物基质的影响以及MWCNT对基于聚合物的纳米复合材料的电气和热性质的影响。本文还描述了激光对基于CNT的纳米复合材料的最终微观结构的影响。清楚地证明，激光印刷是一种简单，柔韧，且相对低的成本方法，以在MWCNTS存在下获得PP的导电轨道，这取决于设置的激光参数。事实上，如发现，由于在聚合物表面上吸收的高能量，激光印刷处理可以严格达到电阻值与样品的最终完整性之间的良好折衷。并且产生的高温。电路原型也被设计和开发。

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