▎ 摘　　要

NOVELTY - Preparing hybrid composite laminates involves adding graphene oxide to the organic solvent and sonicate to obtain an organic solution of graphene oxide, adding epoxy resin to the organic solution of graphene oxide to obtain a mixed solution, and heating the mixed solution while stirring, until all organic solvents in the mixed solution are evaporated to obtain a graphene oxide epoxy resin solution. The graphene oxide epoxy resin solution is put into the ball mill barrel for ball milling treatment. The ball milled graphene oxide epoxy resin solution is dried and exhausted in a vacuum oven. The curing agent is slowly added to the graphene oxide epoxy resin solution after exhaust while stirring to obtain a mixed liquid. The mixed solution is dried in an oven to obtain graphene oxide/epoxy resin nanocomposite, and added water to polyvinylpyrrolidone and stirred, until dissolved. USE - Methods for preparing hybrid composite laminates. DETAILED DESCRIPTION - Preparing hybrid composite laminates involves adding graphene oxide to the organic solvent and sonicate to obtain an organic solution of graphene oxide, adding epoxy resin to the organic solution of graphene oxide to obtain a mixed solution, and heating the mixed solution while stirring, until all organic solvents in the mixed solution are evaporated to obtain a graphene oxide epoxy resin solution. The graphene oxide epoxy resin solution is put into the ball mill barrel for ball milling treatment. The ball milled graphene oxide epoxy resin solution is dried and exhausted in a vacuum oven. The curing agent is slowly added to the graphene oxide epoxy resin solution after exhaust while stirring to obtain a mixed liquid. The mixed solution is dried in an oven to obtain graphene oxide/epoxy resin nanocomposite, and added water to polyvinylpyrrolidone and stirred, until dissolved. The carbon nanotubes are added to the aqueous solution of polyvinylpyrrolidone and sonicate to obtain a coating solution. The coating liquid is fully dipped on the surface of carbon fiber cloth, carbon fiber and aramid fiber blended cloth, aramid fiber cloth, carbon fiber and glass fiber blended cloth, glass fiber cloth. The five kinds of fibers dipped in the coating liquid are arranged and dried in an oven to obtain a carbon nanotube modified fiber cloth. The obtained graphene oxide/epoxy resin nanocomposite is coated on the surface of five kinds of fiber cloth modified with carbon nanotubes. The fiber cloth is rolled repeatedly with a pressure roller to fully impregnate the graphene oxide / epoxy nanocomposite. The laminate forming process is used to lay five fiber cloths to the required number of layers in the preset order to obtain a hybrid fiber laminate. The vacuum bag is used for vacuum pressing once, and then continued to press on the flat vulcanizing machine, and finally placed in an oven to dry to obtain a hybrid composite laminate.