High-breakdown-voltage-resistant glass fiber reinforced flame-retardant composite material and preparation method thereof

The invention relates to the technical field of high polymer materials, in particular to a high-breakdown-voltage-resistant glass fiber reinforced flame-retardant composite material and a preparation method of the high-breakdown-voltage-resistant glass fiber reinforced flame-retardant composite material, and the high-breakdown-voltage-resistant glass fiber reinforced flame-retardant composite material comprises the following components: 40-60 parts of nylon resin; 5-30 parts of a flame retardant; 2-8 parts of a synergistic flame retardant; 2-8 parts of functional master batch; 25-45 parts of a reinforcing agent; 0.2 to 1 part of a lubricant; and 0.2 to 1 part of an antioxidant. The glass fiber reinforced flame-retardant composite material provided by the invention is sufficient in raw material source, low in production cost, simple in preparation method and easy to operate, can be prepared through a conventional twin-screw extruder, can meet the basic mechanical property and flame-retardant property requireme