航空电缆绝缘用高温聚合物热降解动力学

2021 IEEE International Conference on the Properties and Applications of Dielectric Materials (ICPADM) Pub Date : 2021-07-12 DOI:10.1109/ICPADM49635.2021.9494003

G. Teyssèdre, S. Dinculescu, S. Le Roy, T. Hähner, C. Lagomarsini, Patrick Rybski

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引用次数: 1

摘要

从增加飞机机载功率的角度出发，需要重新考虑电缆技术，其中绝缘处理就是其中之一。本文研究了聚酰亚胺、聚四氟乙烯和全氟烷氧基(PFA)三种材料的热稳定性。基于应用于热重分析曲线的多步降解模型，对等温降解曲线进行了预测。从化学角度来看，PFA具有优异的热稳定性。PFA具有可挤压加工聚合物的优点，因此是高性能挤压绝缘电缆的绝佳候选材料。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Thermal Degradation Kinetics of High Temperature Polymers for Aeronautic Cables Insulation

The perspective of increasing on board power on aircrafts leads to reconsider cable technologies, among which insulation processing. In this work, the thermal stability of three materials, Polyimide, Polytetrafluoroethylene and perfluoroalkoxy (PFA) is investigated. Based on a multi-step degradation model applied to thermogravimetric analysis curves, isothermal degradation curves are predicted. Outstanding thermal stability is anticipated for PFA on a chemical standpoint. With the advantage of being a extrusion-processable polymer, PFA constitutes therefore an excellent candidate for high performance cables with extruded insulation.

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2021 IEEE International Conference on the Properties and Applications of Dielectric Materials (ICPADM)

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