▎ 摘　　要

NOVELTY - Graphene dispersion solution is stirred, and glass fibers are added to mixture, stirred and dried, to obtain graphene-modified glass fiber reinforced material. The glass fiber cloth is woven from graphene-modified glass fiber reinforced material and reacted with silane coupling agent. The reaction product is treated with ethanol and washed, to obtain silane coupling agent-modified glass fiber cloth. The unsaturated polyester resin sheet and silane coupling agent-modified glass fiber cloth are molded, to form modified polyester glass fibers-reinforced plastic composite material. USE - Preparation of modified reinforced glass fiber reinforced plastic composite material (claimed). ADVANTAGE - The method enables preparation of modified reinforced glass fiber reinforced plastic composite material having excellent mechanical property and softening temperature of 150 degrees C or more. DETAILED DESCRIPTION - Glass fibers having diameter of 10 m or less are prepared by adding 50-55 wt.% silica, 10-15 wt.% boron oxide, 0.1-0.5 wt.% sodium oxide, 10-15 wt.% alumina, 15-20 wt.% calcium oxide and 0.1-0.5 wt.% multi-walled carbon nanotubes or porous graphene to 400 mL corundum crucible, melting mixture in silicon molybdenum rod resistance furnace at feed temperature of 1370 degrees C, melting refining temperature of 1450 plus minus 10 degrees C, baking at 1200 degrees C, casting molding, annealing in muffle furnace at 500 degrees C and heating obtained glass at 1050 degrees C, adding weighed graphene quantum dots to dispersion solution with concentration of 0.1-1 mg/ml and containing solvent chosen from water, acetone and dimethyl sulfoxide, ultrasonically stirring 80-100 ml graphene quantum dot dispersion solution, adding pre-treated glass fibers, ultrasonically stirring and soaking mixture for 30-60 minutes, removing glass fibers, cleaning and drying glass fibers. 80-100 ml Graphene dispersion solution with concentration of 0.2-0.8 mg/ml and containing solvent chosen water, acetone and dimethylsulfoxide is ultrasonically stirred, and glass fibers are added to mixture, ultrasonically stirred for 10 minutes, provided to PTFE reactor, heating at 80-120 degrees C for 15-30 minutes, removing glass fibers, cleaning and drying product, to obtain graphene-modified glass fiber reinforced material. The glass fiber cloth is woven from graphene-modified glass fiber reinforced material and reacted with silane coupling agent in mixed solution of ethanol and water at 55-75 degrees C for 20-24 hours. The reaction product is successively treated with ethanol, water washed and centrifuged at 8000-10000 rpm for 15-30 minutes, to obtain silane coupling agent-modified glass fiber cloth. The unsaturated polyester resin sheet and silane coupling agent-modified glass fiber cloth are molded, to form modified polyester glass fibers-reinforced plastic composite material.