▎ 摘　　要

NOVELTY - Production of special-shaped brush wire comprises preparing glass fiber, graphene powder, nitrile rubber, polyester composite, ceramic particles, spring silk, coupling agent, lubricant, and foaming agent; plasticizing nitrile rubber and polyester compound, and shredding into rubber particles after cooling; mixing colloidal particles with glass fiber, graphene powder, coupling agent, lubricant and foaming agent, and dispersing; drying dispersed material, extruding, cooling, and drawing cooled brush wire to obtain shaped monofilament; winding; applying adhesive layer in thread gap, and embedding ceramic particles in thread gap to form second layer of thread structure protruding from first layer of thread structure with ceramic particles; and sending brush wire assembly into heating box for heating and setting, transferring to constant temperature setting in constant temperature device, and finally transferring to cooling device for cooling and setting, and cutting to required length. USE - The method is used for producing special-shaped brush wire. ADVANTAGE - The ceramic particles have good abrasion resistance, which greatly enhances abrasion resistance of brush wire and extends brush head life. DETAILED DESCRIPTION - Production of special-shaped brush wire comprises preparing 16-20 pts. wt. glass fiber, 5-10 pts. wt. graphene powder, 15-25 pts. wt. nitrile rubber, 20-28 pts. wt. polyester composite, 10-18 pts. wt. ceramic particles, 20-25 pts. wt. spring silk, 0.1-0.8 pts. wt. coupling agent, 0.5-1.0 pts. wt. lubricant, and 8-15 pts. wt. foaming agent; plasticizing nitrile rubber and polyester compound, and shredding into rubber particles after cooling; mixing colloidal particles obtained above with glass fiber, graphene powder, coupling agent, lubricant and foaming agent, and performing ultrasonic dispersion in ultrasonic disperser; drying dispersed material, sending to extruder, heating into molten state, extruding to form preliminary brush wire with irregular shape in cut surface, cooling, and drawing cooled brush wire to obtain shaped monofilament; sending shaped monofilament into winding device, using coated spring wire as inner core, and spirally winding shaped monofilament on surface of spring wire to form first layer of thread structure with monofilament as main body; applying adhesive layer in thread gap formed above, and uniformly embedding ceramic particles in thread gap to form second layer of thread structure protruding from first layer of thread structure with ceramic particles as main body; and sending brush wire assembly into heating box for heating and setting, transferring to constant temperature setting in constant temperature device, and finally transferring to cooling device for cooling and setting, and cutting to required length.