含氟密封剂是一类同时具有耐高温耐介质能力的密封剂材料,由于其具有优秀的耐高温耐介质能力性能,经过数十年的发展,因此在飞机和发动机制造领域广泛应用。含氟密封剂可以分为氟硅密封剂、氟碳密封剂、氟醚密封剂和全氟聚醚密封剂四类。详细阐述了四类含氟密封剂的发展历史和主要技术路线,对国内外含氟密封剂相关领域的发展情况进行了对比,同时分析了含氟密封剂领域技术研究的前沿方向。
Fluorinated sealants are a type of sealant materials that have both high-temperature and medium resistance capabilities.Due to their excellent high-temperature and medium resistance performance,they have been widely used in the fields of aircraft and engine manufacturing after decades of development.Fluorinated sealants can be classified into four categories:fluorosilicone sealants,fluorocarbon sealants,fluoroether sealants,and perfluoropolyether sealants.The development history and main technical routes of the above-mentioned types of fluorinated sealants were elaborated in detail,and the development situation of fluorinated sealants related fields at home and abroad was compared.At the same time,the forefront direction of technological research in the field of fluorinated sealants was analyzed.
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