Epoxy resin flame-retardant material and preparation method thereof

The invention discloses an epoxy resin flame-retardant material and a preparation method thereof, the epoxy resin flame-retardant material is composed of epoxy resin, a curing agent and a flame-retardant curing accelerator hexa [(4-(aldoxime) 2-methoxyl) phenoxy] cyclotriphosphazene, the hexa [(4-(aldoxime) 2-methoxyl) phenoxy] cyclotriphosphazene is prepared from hexachlorocyclotriphosphazene, vanillin and hydroxylamine hydrochloride as raw materials, vanillin substitutes six chlorine atoms on hexachlorocyclotriphosphazene, and hydroxylamine hydrochloride reduces and aminates an aldehyde group of vanillin into oxime. The epoxy resin flame-retardant material disclosed by the invention has excellent flame-retardant properties such as low heat release rate, low heat release total amount, easiness in forming a stable barrier carbon layer and the like, and has a good application prospect in the fields of electronic packaging, building materials and the like. 本发明公开了一种环氧树脂阻燃材料及其制备方法，是由环氧树脂、固化剂及阻燃型固化促进剂六[(4-(醛肟基)2-甲