▎ 摘　　要

NOVELTY - A bacteriostatic geogrid comprises 0.7-1 pt. wt. alkyl benzene sulfonate, 2-5 pts. wt. polyamide wax powder, 1-2 pts. wt. aluminum potassium sulfate, 5-7 pts. wt. graphene oxide, 40-50 pts. wt. parahydroxybenzoic 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, 2-3 pts. wt. calcium propionate, 0.3-1 pt. wt. 8-hydroxyquinoline, 2-4 pts. wt. polyvinyl butyral, 6-9 pts. wt. trinonylphenyl phosphite, and 0.1-0.3 pt. wt. monobutyl tin oxide. USE - Bacteriostatic geogrid. ADVANTAGE - The product improves antibacterial performance, and delays useful life. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of bacteriostatic geogrid comprising: (A) mixing 60-70% acetic anhydride with parahydroxybenzoic 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, 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, adding monobutyl tin oxide, uniformly stirring, 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) adding alkyl benzene sulfonate with deionized water for 14-20 times, uniformly stirring, adding propionate, heating at 60-70 degrees C, and heat preserving for 3-4 minutes to obtain antibacterial emulsion; (D) adding polyamide wax powder with anhydrous ethanol for 10-13 times, placing into water bath at 80-90 degrees C, heat preserving for 6-9 minutes, discharging, adding 8-hydroxyquinoline, and stirring to room temperature to obtain mixed solution; (E) adding graphene oxide with anhydrous ethanol for 100-120 times, adding mixed alcohol solution, ultrasonically dispersing for 50-60 minutes, adding acetylated monomers a and b, 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; (F) mixing with zinc acetate and aluminum potassium sulfate, 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, cooling, adding antibacterial emulsion, and keeping stirring to 76-80 degrees C to dryness to obtain copolyester graphene composite material; and (G) mixing with polyvinyl butyral, pre-heating at 60-70 degrees C for 10-17 minutes, adding remaining raw materials, uniformly stirring, feeding into extruder, melt extruding, melt pressing into sheet by three-roller machine, and punching and stretching.