▎ 摘　　要

NOVELTY - Waterproof material having high heat dissipation property comprises 20-40 pts. wt. graphene, 10-30 pts. wt. high-density polyethylene, 10-20 pts. wt. carbon fiber, 8-15 pts. wt. polyethylene glycol, 2-8 pts. wt. alumina powder, 2-8 pts. wt. calcium silicate, 3-10 pts. wt. liquid organosilicon compound, 4-10 pts. wt. lignin, 3-8 pts. wt. starch. USE - Waterproof material having high heat dissipation property. DETAILED DESCRIPTION - Waterproof material having high heat dissipation property comprises 20-40 pts. wt. graphene, 10-30 pts. wt. high-density polyethylene, 10-20 pts. wt. carbon fiber, 8-15 pts. wt. polyethylene glycol, 2-8 pts. wt. alumina powder, 2-8 pts. wt. calcium silicate, 3-10 pts. wt. liquid organosilicon compound, 4-10 pts. wt. lignin, 3-8 pts. wt. starch, 1-5 pts. wt. diatomaceous earth, 3-8 pts. wt. thermal filler, 4-10 pts. wt. additives, and 40-60 pts. wt. deionized water, where additive comprises 0.5-2.5 pts. wt. flame retardant, 0.2-0.8 pts. wt. plasticizer, 0.1-0.6 pts. wt. coupling agent, and 0.5-1.5 pts. wt. antioxidant. An INDEPENDENT CLAIM is included for a method for preparing waterproof material having high heat dissipation property, which involves: (A) adding heat-conducting filler and graphene to high-density polyethylene and stirring to obtain mixture A; (B) adding flame retardant, plasticizer, coupling agent and antioxidant into mixture A, heating at 40-60 degrees C, stirring for 30-50 minutes at speed of 300-400 revolutions/minute to obtain mixture B; (C) adding carbon fiber, polyethylene glycol, alumina powder, calcium silicate, liquid organosilicon compound, lignin, starch, diatomaceous earth and deionized waterinto mixture B, heating at 70-80 degrees C, stirring at rate of 250-350 revolutions/minute for 20-30 minutes to obtain a mixture C; and (D) placing mixture C in an ultrasonic dispersion machine for dispersing, ultrasonic dispersing, removing mixture C, allowing to stand at room temperature for 30-40 minutes to obtain final product.