▎ 摘　　要

NOVELTY - A fluorinated geogrid comprises molybdenum disulfide, 1H,1H,2H,2H-perfluorodecyltriethoxysilane, graphene oxide, para-hydroxybenzoic acid, acetic anhydride, 6-hydroxy-2-naphthoic acid, high density polyethylene, PTFE, chlorophthalic acid dimethyl ester, tetrahydrofurfuryl, polyethylene pyrrolidone, perfluorobutyl potassium sulfonate, tributyl citrate, diisodecyl adipate, zinc acetate, and polyethylene glycol. USE - Fluorinated geogrid. ADVANTAGE - The product is suitable for damp heat area, and has good surface hydrophobicity and seepage resistance. DETAILED DESCRIPTION - A fluorinated geogrid comprises 1-2 pts. wt. molybdenum disulfide, 1-2 pts. wt. 1H,1H,2H,2H-perfluorodecyltriethoxysilane, 5-7 pts. wt. graphene oxide, 40-50 pts. wt. para-hydroxybenzoic acid, 10-17 pts. wt. acetic anhydride, 20-30 pts. wt. 6-hydroxy-2-naphthoic acid, 180-200 pts. wt. high density polyethylene, 7-10 pts. wt. PTFE, 0.6-1 pt. wt. chlorophthalic acid dimethyl ester, 0.1-0.2 pt. wt. tetrahydrofurfuryl, 1.7-2 pts. wt. polyethylene pyrrolidone, 0.4-1 pt. wt. perfluorobutyl potassium sulfonate, 6-8 pts. wt. tributyl citrate, 4-6 pts. wt. diisodecyl adipate, 0.08-0.1 pt. wt. zinc acetate, and 2-3 pts. wt. polyethylene glycol. An INDEPENDENT CLAIM is included for preparation of fluorinated geogrid comprising: (A) mixing 60-70% acetic anhydride with para-hydroxybenzoic acid, adding into oil bath at 138-140 degrees C, keeping stirring for 10-15 minutes, dropping 96-98% sulfuric acid, preserving temperature and reacting for 3-5 hours, discharging, filtering, pouring ice water, standing for 3-5 minutes, adding polyethylene pyrrolidone, uniformly stirring, blow drying, and placing into vacuum drying box at 50-60 degrees C for 20-24 hours to obtain acetylated monomer a; (B) mixing 6-hydroxy-2-naphthoic acid and remaining acetic anhydride, adding into oil bath at 120-130 degrees C, preserving temperature and reacting for 3-4 hours, discharging, pouring ice water, standing for 3-5 minutes, blow drying, and placing into vacuum drying box at 50-60 degrees C for 20-24 hours to obtain acetylated monomer b; (C) mixing chlorophthalic acid dimethyl ester and tetrahydrofurfuryl alcohol, heating at 60-70 degrees C, adding anhydrous alcohol for 10-17 times, keeping temperature for 3-5 minutes, adding molybdenum disulfide, and ultrasonically processing for 2-3 minutes to obtain alcohol dispersion; (D) adding graphene oxide with anhydrous ethanol for 100-120 times, adding mixed alcohol solution, ultrasonically dispersing for 50-60 minutes, adding alcohol dispersion, stirring, adding acetylated monomers a and b and polyethylene glycol, ultrasonically processing for 30-40 minutes, vacuum distilling, and vacuum drying to 60-70 degrees C for 20-25 hours to obtain monomer pre-treated graphene; (E) mixing with zinc acetate, feeding into reaction kettle, filling nitrogen for protection, heating to 240-250 degrees C, preserving temperature and reacting for 3-4 hours, continuously heating 270-280 degrees C, keeping temperature and reacting for 1-2 hours, continuously heating to 290-300 degrees C, keeping temperature and reacting for 30-40 minutes, discharging, and cooling to obtain copolyester graphene composite material; (F) adding 1H,1H,2H,2H-perfluorodecyltriethoxysilane with absolute ethanol for 10-14 times, uniformly stirring, adding copolyester graphene composite material and PTFE, heating to 60-65 degrees C, heat preserving for 20-30 minutes, filtering, washing precipitate for 2-3 times, and vacuum drying to 70-80 degrees C for 1-2 hours to obtain modified composite material; and (G) mixing with remaining raw materials, uniformly stirring, feeding into extruder, melt extruding, melt pressing into sheet by three-roller machine, and punching and stretching.