Preparation method of glass fiber reinforced plastic

The invention relates to a method for manufacturing glass fiber reinforced plastics by using an epoxy resin coupling agent based on carbon nanotube reinforcement. The preparation method comprises the following steps: mixing oxidized carbon nanotubes accounting for 0.1-2.5% of the mass of epoxy resin with epoxy resin, homogenizing by using a three-roller grinder, ultrasonically dispersing unoxidized hydrophobic carbon nanotubes accounting for 0.3-1.5% of the mass of a curing agent in the curing agent, mixing modified epoxy resin with the modified curing agent, coating a glass fiber cloth with the mixture, and drying to obtain a finished product. The total content of the carbon nano tubes accounts for 0.15-2.2% of the mass of the solid resin, and then the glass fiber laminated body with the required layer number is formed and is subjected to pouring (vacuum) pressing, and the total content of the carbon nano tubes accounts for 0.15-2.2% of the mass of the solid resin. Compared with a traditional composite mater