▎ 摘　　要

NOVELTY - A geogrid comprises 1-2 pts. wt. antimony trioxide, 5-7 pts. wt. oxidized graphene, 40-50 pts. wt. P-hydroxybenzoic acid, 10-17 pts. wt. acetic anhydride, 0.08-0.1 pt. wt. zinc acetate, 20-30 pts. wt. 6-hydroxy-2-naphthoic acid, 180-200 pts. wt. high-density polyethylene, 3-4 pts. wt. tetradecyl alcohol ester, 1-2 pts. wt. benzyltriphenylphosphonium chloride, 0.1-0.2 pt. wt. tetrahydrofurfuryl alcohol, 0.8-1 pt. wt. sodium alkyl benzene sulfonate, 0.1-0.2 pt. wt. stannous sulfide, 5-6 pts. wt. montmorillonite powder, 2-3 pts. wt. polyphenylene ether and 4-7 pts. wt. Malay rosin. USE - Rosin modified geogrid (claimed). ADVANTAGE - The geogrid effectively improves the dispersibility of the filler particles in the polymer and improves the stability and strength of the finished product. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the preparation method of rosin modified geogrid, which involves mixing 60-70 wt.% acetic anhydride with p-hydroxybenzoic acid, heating oil bath at 138-140 degrees C, stirring for 10-15 minutes, adding 0.01-0.02 wt.% mixture and 96-98 wt.% sulfuric acid, carrying out insulation reaction for 3-5 hours, discharging, pouring hot water to 1.6-2 times the weight of ice water, leaving still for 3-5 minutes, blow-drying into a vacuum drying oven at 50-60 degrees C for 20-24 hours, obtaining acetylated monomer (a), adding maleic rosin and tetrahydrofurfuryl alcohol into a water bath at 90-96 degrees C, heating, stirring for 10-14 minutes, discharging, adding to acetylated monomer (a), stirring to room temperature to obtain modified acetylated monomer (a), mixing 6-hydroxy-2-naphthoic acid and the remaining acetic anhydride, adding to oil bath at 120-130 degrees C, carrying out insulation reaction for 3-4 hours, discharging, pouring hot water to 1.6-2 times the weight of ice water, leaving still for 3-5 minutes, blow-drying into vacuum drying oven at 50-60 degrees C for 20-24 hours, obtaining acetylated monomer (b), adding benzyltriphenylphosphonium chloride to 7-10 times the weight of anhydrous alcohol, stirring, adding polyphenylene ether, mixing for 3-5 minutes, obtaining alcohol emulsion, taking graphene oxide, adding to 100-120 times the weight of absolute ethanol, ultrasonically dispersing for 50-60 minutes, adding alcohol emulsion, stirring, adding acetylated monomer (a), acetylated monomer (b) and stannous sulfide, ultrasonically dispersing for 30-40 minutes, carrying out vacuum distillation, drying product under vacuum at 60-70 degrees C for 20-25 hours, obtaining monomer pretreatment graphene, mixing monomer pretreated graphene, zinc acetate and antimony trioxide into the reactor under nitrogen protection, increasing the temperature to 240-250 degrees C, heat preserving for 3-4 hours, continuously increasing the temperature to 270-280 degrees C, carrying out insulation reaction for 1-2 hours, continuously increasing the temperature to 290-300 degrees C, heat preserving for 30-40 minutes, cooling the material, obtaining graphene copolyester composite material, adding sodium alkylbenzene sulfonate to 20-30 times the weight of deionized water, adding graphene copolyester composite material, drying at 80-90 degrees C, mixing with the remaining raw materials, stirring, placing into extruder for melt extrusion, pressing melt into a sheet by three-roll press, punching and stretching.