▎ 摘　　要

NOVELTY - Flame retardant nano materials comprises 40-60 pts. wt. high-density polyethylene, 10-20 pts. wt. nano-aluminum hydroxide, 10-20 pts. wt. nano-magnesium hydroxide, 8-12 pts. wt. zinc borate, 4-8 pts. wt. graphene, 5-10 pts. wt. ceramic fiber, 1-2 pts. wt. anti-oxygen agent, 1-2 pts. wt. coupling agent, 1-2 pts. wt. stabilizer, and 2-4 pts. wt. toughening agent. USE - Flame retardant nano material. ADVANTAGE - The flame retardant nano material has high temperature resistance, good thermal stability, better flame resistance or toughness. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing flame retardant nano material, which involves: (A) adding high density polyethylene, nano aluminum hydroxide, nano magnesium hydroxide, zinc borate, graphene, ceramic fiber, antioxidant, coupling agent, stabilizer, toughening agent and putting into the mixer, and stirring, setting the speed of the mixer to 200-300 revolutions per minute, setting the temperature to 95-110 degrees C, and stirring for 2-3 hours to obtain a mixture; and (B) adding mixture to the extruder, and setting temperature of each region of the extrusion rod of the extruder to 130 degrees C, 135 degrees C, 140 degrees C, 145 degrees C, 150 degrees C, 150 degrees C, 150 degrees C, 130 degrees C to obtain final product.