Fluororubber composites: Preparation methods, vulcanization mechanisms, and the associated properties

IF 5.3 Q2 MATERIALS SCIENCE, COMPOSITES
Yurou Chen , Yadong Wu , Jun Li , Xuqiang Peng , Shun Wang , Jichang Wang , Huile Jin
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引用次数: 0

Abstract

Fluororubber (FKM) is an irreplaceable sealing material that plays a critical role in new energy vehicles, petrochemical and aerospace industries. Their broad applications arise from the excellent thermal stability and solvent resistance of fluororubber. Despite there are increasing number of reports on preparation methods, properties and characterization of FKM in literature, there is still a lack of a thorough and comprehensive review that summarizes these results. This paper provides an overview of FKM types, preparation methods, property testing and microscopic characterization, and attempts to give a comprehensive introduction to the vulcanization mechanism of FKM using ternary fluororubber. The mechanical mixing method was identified as the most versatile preparation method in the review, but it is susceptible to causing agglomeration of nanomaterials. Furthermore, different vulcanization systems and reinforcing fillers can be chosen based on the application direction of FKM. Carbon nanomaterials with high inherent strength have the best reinforcing effect on FKM, although they also exhibit the most significant self-agglomeration effect. This can be mitigated through synergistic use of fillers of multiple dimensions and interfacial modification in future research. Additionally, current challenges and future prospects for FKM nanocomposites are also discussed.

氟橡胶复合材料:制备方法、硫化机制及相关性能
氟橡胶(FKM)是一种不可替代的密封材料,在新能源汽车、石油化工和航空航天工业中发挥着至关重要的作用。氟橡胶具有出色的热稳定性和耐溶剂性,因而应用广泛。尽管有关 FKM 的制备方法、性能和表征的文献报道越来越多,但仍然缺乏对这些成果进行总结的全面综述。本文概述了 FKM 的类型、制备方法、性能测试和显微表征,并尝试使用三元氟橡胶全面介绍 FKM 的硫化机理。在综述中,机械混合法被认为是最通用的制备方法,但容易造成纳米材料的团聚。此外,还可根据 FKM 的应用方向选择不同的硫化体系和增强填料。固有强度高的碳纳米材料对 FKM 的增强效果最好,但它们也表现出最显著的自聚效应。在未来的研究中,可以通过多维度填料的协同使用和界面改性来缓解这一问题。此外,还讨论了 FKM 纳米复合材料当前面临的挑战和未来前景。
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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来源期刊
Composites Part C Open Access
Composites Part C Open Access Engineering-Mechanical Engineering
CiteScore
8.60
自引率
2.40%
发文量
96
审稿时长
55 days
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