▎ 摘　　要

NOVELTY - A high molecule geotechnical grid comprises pyromellitic dianhydride, zinc stearate, barium stearate, graphene oxide, acetic anhydride, zinc acetate, 6-hydroxy-2-naphthoic acid, high density polyethylene, p-hydroxybenzoic acid, polyurethane, polyacrylamide, silanediol, hexamethylphosphoric triamide, 2-thiol-benzimidazole, zinc ricinoleate, and alkyl phenol polyoxyethylene ether. USE - High molecule geotechnical grid. ADVANTAGE - The product improves filler dispersibility in polymer, stability and resistance. DETAILED DESCRIPTION - A high molecule geotechnical grid comprises 0.1-0.2 pt. wt. pyromellitic dianhydride, 2-3 pts. wt. zinc stearate, 1-2 pts. wt. barium stearate, 5-7 pts. wt. graphene oxide, 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, 40-50 pts. wt. p-hydroxybenzoic acid, 6-8 pts. wt. polyurethane, 3-4 pts. wt. polyacrylamide, 2-4 pts. wt. silanediol, 0.1-1 pt. wt. hexamethylphosphoric triamide, 0.7-1 pt. wt. 2-thiol-benzimidazole, 0.3-1 pt. wt. zinc ricinoleate, and 0.3-1 pt. wt. alkyl phenol polyoxyethylene ether. An INDEPENDENT CLAIM is included for preparation of high molecule geotechnical grid comprising: (A) adding 60-70 wt.% acetic anhydride with p-hydroxybenzoic acid into oil bath at 138-140 degrees C, keeping stirring for 10-15 minutes, dropping 0.01-0.02% of 96-98% sulfuric acid, preserving temperature, reacting for 3-5 hours, discharging, pouring ice water, standing for 3-5 minutes, blow drying, and vacuum drying at 50-60 degrees C for 20-24 hours to obtain acetylated monomer a; (B) adding 6-hydroxy-2-naphthoic acid and remaining acetic anhydride into oil bath at 120-130 degrees C, preserving temperature, reacting for 3-4 hours, discharging, pouring ice water, standing for 3-5 minutes, adding zinc stearate, uniformly stirring, blow drying, and vacuum drying at 50-60 degrees C for 20-24 hours to obtain acetylated monomer b; (C) adding 2-thiol-benzimidazole with absolute ethanol for 14-20 times, uniformly stirring, adding silanediol, and heat preserving at 50-60 degrees C for 3-7 minutes to obtain compound alcohol solution; (D) adding graphene oxide with anhydrous ethanol for 100-120 times, ultrasonically dispersing for 50-60 minutes, adding compound alcohol solution, uniformly stirring, adding acetylated monomers a and b, ultrasonically processing for 30-40 minutes, adding hexamethylphosphoric triamide, uniformly stirring, vacuum distilling, and vacuum drying to 60-70 degrees C for 20-25 hours to obtain monomer pre-treated graphene; (E) adding alkyl phenol polyoxyethylene ether with deionized water for 10-14 times, uniformly stirring, adding polyacrylamide, stirring, and keeping at 50-60 degrees C for 3-7 minutes to obtain polymer emulsion; (F) mixing monomer pre-treated graphene and zinc acetate, feeding into reaction kettle, introducing nitrogen for protection, heating at 240-250 degrees C, keeping for 3-4 hours, continuously heating to 270-280 degrees C, keeping for 1-2 hours, continuously heating to 290-300 degrees C, keeping for 30-40 minutes, discharging, and cooling to obtain copolyester graphene composite material; and (G) mixing into polymer emulsion, adding barium stearate, heating to 80-90 degrees C, keeping stirring to dryness, adding remaining raw materials, uniformly stirring, feeding into extruder, melt extruding, melt pressing into sheet by three-roller machine, punching, and stretching.