▎ 摘　　要

NOVELTY - High-temperature-resistant epoxy carbon fiber insulation layer and mold pressing piece comprises composite materials made by hot-pressing and molding high-temperature-resistant epoxy carbon fiber and/or fabric prepreg, the high-temperature-resistant epoxy carbon fiber-fabric prepreg is a high-temperature-resistant epoxy carbon fiber formed by impregnating carbon fiber-fabric with a high-temperature-resistant epoxy adhesive, and baking-fabric prepreg, the carbon fiber-fabric is carbon fiber checkered cloth, carbon fiber twill cloth, carbon fiber plain cloth, carbon fiber satin cloth, carbon fiber stitched felt, carbon fiber continuous felt, carbon fiber composite cloth or carbon fiber composite felt, the components of the high temperature resistant epoxy adhesive comprises 12-45 pts. wt. epoxy resin, 5-35 pts. wt. modified epoxy resin, 6-34 pts. wt. curing agent, 1-61 pts. wt. filler, 9.5-201 pts. wt. solvent and 0.01-0.18 pts. wt. accelerator. USE - The insulation layer and mold pressing piece are useful for aviation, aerospace, military industry, deep diving, rail traffic, new energy vehicle, large wind power generation and other fields of engineering device, electric appliance device and incorrosion resistant appliance. DETAILED DESCRIPTION - High-temperature-resistant epoxy carbon fiber insulation layer and mold pressing piece comprises composite materials made by hot-pressing and molding high-temperature-resistant epoxy carbon fiber and/or fabric prepreg, the high-temperature-resistant epoxy carbon fiber-fabric prepreg is a high-temperature-resistant epoxy carbon fiber formed by impregnating carbon fiber-fabric with a high-temperature-resistant epoxy adhesive, and baking-fabric prepreg, the carbon fiber-fabric is carbon fiber checkered cloth, carbon fiber twill cloth, carbon fiber plain cloth, carbon fiber satin cloth, carbon fiber stitched felt, carbon fiber continuous felt, carbon fiber composite cloth or carbon fiber composite felt, the components of the high temperature resistant epoxy adhesive comprises 12-45 pts. wt. epoxy resin, 5-35 pts. wt. modified epoxy resin, 6-34 pts. wt. curing agent, 1-61 pts. wt. filler, 9.5-201 pts. wt. solvent and 0.01-0.18 pts. wt. accelerator, where the epoxy resin is bisphenol fluorene epoxy resin, bis-o-cresol fluorene epoxy resin, and/or bis-di-o-cresol fluorene epoxy resin, the modified epoxy resin is bisphenol A type epoxy resin, bisphenol F type epoxy resin, alicyclic epoxy resin, glycidylamine type epoxy resin, biphenyl type epoxy resin, phenol type phenolic ring oxygen resin, o-cresol type novolac epoxy resin, bisphenol A novolac type epoxy resin, resorcinol type epoxy resin, epoxy resin of dicyclopentadiene or dicyclodiene and phenolic type polycondensation resin, isocyanate modified epoxy resin and/or hydantoin epoxy resin, the curing agent is 4,4-diaminodiphenylmethane, 4,4-diaminodiphenylsulfone, and/or diamine A fluorine, the filler is aluminum hydroxide, alumina, boehmite, magnesium hydroxide, silica powder, montmorillonite, kaolin, fumed silica, silica powder, graphene, hydrotalcite, and/or talc, the accelerator is 2-methylimidazole, 2-ethyl-4-methylimidazole, N,N-dimethylbenzylamine, boron trifluoride ethylamine, triethylamine, hexamethyltetramine and/or acetyl aluminum acetone and the solvent is toluene, xylene, ethylene glycol dimethyl ether, ethylene glycol ethyl ether acetate, propylene glycol methyl ether, methyl ethyl ketone, cyclohexanone, methyl acetate, methyl ethyl ketone, acetone, N,N-dimethyl methyl ether amide and/or ethanol. An INDEPENDENT CLAIM is also included for preparing high-temperature-resistant epoxy carbon fiber insulation layer and mold pressing piece comprising (i) taking epoxy resin, modified epoxy resin, curing agent, filler, solvent, accelerator; (ii) adding epoxy resin, modified epoxy resin and filler into the compounding tank at room temperature, stirring at 55-115 degrees C for 0.5-2 hours, adding curing agent, stirring at 100-145 degrees C for 1-4 hours, cooling down, adding solvent to make it evenly dispersed, then adding accelerator to adjust the molding time of the glue, taking a sample, and testing with the knife method molding time of the glue liquid, when the molding time is between 440-530 seconds under the condition of 210 degrees C hot plate to obtain the epoxy adhesive and the high temperature resistant epoxy adhesive; (ii) coating carbon fiber-fabric with the high-temperature-resistant epoxy adhesive through a sizing machine, and baking through the drying tunnel of the sizing machine, and then gluing machine drying tunnel is 24 m long, dividing into 4 sections, where each section is 6m, the baking temperature ranges from 85-175 degrees C, and the speed of the gluing machine is 5-18 m/minutes, baking to obtain high temperature resistant ring oxygen carbon fiber-fabric prepreg;(iii)cutting the high-temperature-resistant epoxy carbon fiber-fabric prepreg according to the drawing requirements of high temperature-resistant epoxy carbon fiber insulation layer and molded parts Into the required shape and size, placing the cut one layer or more of the high-temperature-resistant epoxy carbon fiber-fabric prepreg on the stainless steel mold, passing into a hot press equipped with a hot plate, controlling the temperature at 130-250 degrees C under pressure 5-30MPa for hot press forming, determining the hot press forming time is in the range of 0.5-30 hours according to the thickness of the formed structural part of 0.5-150 mm.