The invention discloses a high-performance lightning protection surface film for an aerospace composite material structure and application thereof.The high-performance lightning protection surface film for the composite material structure is composed of an epoxy resin film, a copper net and lining cloth, and the epoxy resin film is prepared from, by weight, 80-100 parts of epoxy resin, 5-10 parts of an active epoxy diluent, 2-5 parts of a coupling agent and 5-10 parts of a curing agent; 0.5 to 1.5 parts of accelerant and 0.5 to 0.8 part of filler. According to the invention, the requirements of light weight, good lightning protection performance and excellent corrosion resistance and manufacturability of aviation products can be met.
本发明公开了一种航空航天复合材料结构用高性能防雷击表面膜及其应用,复合材料结构用高性能防雷击表面膜由环氧树脂膜、铜网以及衬布组成,所述环氧树脂膜按照重量份数是由环氧树脂80~100份,活性环氧稀释剂5~10份,偶联剂2~5份,固化剂5~10份,促进剂0.5~1.5份,填料0.5~0.8份配比而成。本发明能够满足航空产品重量轻、雷击防护性好、耐腐性与工艺性优良的需求。
High-performance lightning protection surface film for composite material structure and application of high-performance lightning protection surface film
一种复合材料结构用高性能防雷击表面膜及其应用
2023-05-23
Patent
Electronic Resource
Chinese