▎ 摘　　要

NOVELTY - A plastic comprises 80-120 pts. wt., preferably 100 pt. wt. polycarbonate, 30-50 pts. wt., preferably 40 pt. wt. poly(tetramethylene adipamide), 10-20 pts. wt., preferably 15 pt. wt. polyolefin elastomer, 5-10 pts. wt., preferably 8 pt. wt. calcium carbonate, 8-16 pts. wt., preferably 12 pt. wt. silicon carbide, 6-12 pts. wt., preferably 9 pt. wt. alumina, 5-10 pts. wt., preferably 7 pt. wt. graphene, 4-8 pts. wt., preferably 6 pt. wt. diamond powder, 3-6 pts. wt., preferably 4.5 pt. wt. glass fiber, 5-10 pts. wt., preferably 8 pt. wt. silane coupling agent, 30-50 pts. wt., preferably 40 pt. wt. polyethylene glycol, 4-7 pts. wt., preferably 5.5 pt. wt. 4-hydroxy-4-methoxybenzophenone, 2-5 pts. wt., preferably 3.5 pt. wt. calcium stearate and 3-5 pts. wt., preferably 4 pt. wt. 4-dichloroperoxybenzoyl. USE - Plastic. ADVANTAGE - The plastic has excellent thermal conductivity due to the synergistic effect the various raw materials. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of plastic, which involves putting (1) polycarbonate, polyhexamethylene diamine, and polyolefin elastomer into a mechanical ball mill, adding calcium carbonate, silicon carbide, aluminum oxide, graphene, diamond micro powder, silane coupling agent, polyethylene glycol, performing ball milling for 1-2 hours, drying at 100-150 degrees C for 30-60 minutes to obtain a mixture (A), adding (2) the glass I fiber to the mixture (A), heating the microwave for 3-5 minutes, microwave power 800-1000 W, and adding 2,4-dichlorobenzoyl peroxide after cooling, stirring at a speed of 800-1000 rpm for 10-15 minutes to obtain a mixture (B), adding (3) 2-hydroxy-4-methoxybenzophenone and calcium stearate, stirring uniformly, and drying to obtain mixture (B). performing cold pressing at room temperature with cold pressing pressure of 100-150kg/cm2, for 10-20 minutes after the material is sent into the mold, discharging to obtain plastic embryo, irradiating (4) plastic embryo with ultraviolet rays having a strength of 150-300 mu W/cm2 for 3-5 minutes.