▎ 摘　　要

NOVELTY - Anti-aging polyethylene composite material comprises 40-50 pts. wt. modified polyethylene particles, 5-10 pts. wt. modified antioxidants, 10-20 pts. wt. polycarbonate, 0.5-2 pts. wt. sodium acrylate, 3-8 pts. wt. montmorillonite, 3-5 pts. wt. polyvinyl alcohol, 5-10 pts. wt. silica powder, and 3-5 pts. wt. graphene. The modified polyethylene particles are prepared by vacuum-drying 60-80 pts. wt. polyethylene resin, 3-5 pts. wt. glyceryl monolaurate, 5-10 pts. wt. ethylene-propylene-diene rubber, 3-5 pts. wt. polysulfide rubber, and 5-10 pts. wt. nanometer silicon oxide at 100-110 degrees C for 3 hours. The dried polyethylene resin is put into a reaction kettle with 30-40 pts. wt. deionized water at 80-85 degrees C to swell polyethylene resin for 20-30 minutes. USE - Anti-aging polyethylene composite material. ADVANTAGE - The anti-aging polyethylene composite material has excellent aging resistance, improved tensile strength, and good cooling and drying effects. DETAILED DESCRIPTION - 5-10 pts. wt. glycerol is added dropwise into reaction kettle with stirring for 10-15 minutes to obtain pretreatment solution. The pretreatment solution is put into an ultrasonic oscillator for 10-15 minutes to obtain an emulsion. The obtained emulsion is put into a blender with ethylene propylene diene monomer and polysulfide rubber with stirring at 110-130 degrees C to obtain mixed material. An INDEPENDENT CLAIM is included for a method for preparing anti-aging polyethylene composite material, which involves: (A) taking 30-40 pts. wt. sodium lauryl sulfate in a reaction kettle; (B) adding 10-20 pts. wt. deionized water with stirring speed at 80-85 degrees C with stirring for 30-40 minutes; (C) adding 3-5 pts. wt. o-hydroxybenzophenone to the reaction kettle at 90-95 degrees C to get main antioxidant glue; (D) taking 3-5 pts. wt. salicylic acid and 5-8 pts. wt. carbon black into a 250 ml three-necked flask; (E) adding 5-10 pts. wt. deionized water to the three-necked flask in an electric heating mantle at 130-145 degrees C for 20-30 minutes; (F) adding 5-10 pts. wt. titanium dioxide and 3-5 pts. wt. organotin to the three-necked flask at 120-130 degrees C for 20-30 minutes to get milky white suspension; (G) putting main antioxidant glue solution and the auxiliary antioxidant solution into an ultrasonic oscillator; and (H) adding 3-5 pts. wt. diglycerin polypropylene glycol ether to the ultrasonic oscillator with stirring for 10-15 minutes to get the modified antioxidant is obtained. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic sectional view of the cooling and drying kettle. Kettle body (1) Inlet (2) Rotating separation box (3) Cooling device (4) Cooler (5) Baffle plate (6) Vibration separation plate (7)