▎ 摘　　要

NOVELTY - Preparing polyacrylate coating glue comprises (i) mixing graphene oxide and water, ultrasonically dispersing, adding sodium hydroxide solution; (ii) mixing polyethylene glycol and dimethyl sulfoxide, concentrating under reduced pressure and distilling, mixing concentrate with anhydrous dichloromethane; (iii) mixing the modified polyethylene glycol and water and adding modified polyethylene glycol to 1-ethyl-(3-dimethylaminopropyl)carbonyldiimide hydrochloride; (iv) mixing modified graphene oxide with 1-ethyl-(3-dimethylaminopropyl)carbonyldiimide hydrochloride and adding chitosan-polyethylene glycol mixture; (v) adding zinc oxide to surfactant, adding zinc oxide, dropping ethyl orthosilicate, stirring and centrifugally separating; (vi) mixing surfactant with water adding mixed surfactant with pretreated silica; and (vii) mixing modified polyacrylate emulsion with polyurethane emulsion, and adding water, isopropanol, casein, tackifying resin and additive, stirring and mixing. USE - The method is useful for preparing polyacrylate coating glue. ADVANTAGE - The glue has excellent wrinkle resistance and water resistance. DETAILED DESCRIPTION - Preparing polyacrylate coating glue comprises (i) mixing graphene oxide and water according to mass ratio of 1:500 to 1:800, ultrasonically dispersing, adding 10-12 times sodium hydroxide solution, ultrasonically mixing to obtain graphene oxide mixture, mixing graphene oxide mixture and bromoacetic acid according to mass ratio of 250:3-250:4, ultrasonically reacting, filtering and drying to obtain the modified graphene oxide; (ii) mixing polyethylene glycol and dimethyl sulfoxide according to mass ratio of 1:6-1:7, adding 3-4 times sodium hydroxide solution and 5-6 times chloroacetic acid, stirring, reacting, concentrating under reduced pressure and distilling, mixing concentrate with anhydrous dichloromethane at a mass ratio of 1:15-1:25, filtering to obtain the filtrate, rotationally evaporating and concentrating the filtrate to obtain the concentrated solution, mixing concentrate and diethyl ether in a mass ratio of 1:10-1:15, filtering and drying to obtain the modified polyethylene glycol; (iii) mixing the modified polyethylene glycol and water in a ratio of 1:4-1:5, adding 0.10-0.12 times modified polyethylene glycol to 1-ethyl-(3-dimethylaminopropyl)carbonyldiimide hydrochloride, stirring and mixing, adding 0.15-0.20 times chitosan, adjusting pH, stirring and reacting to obtain the mixed liquid, performing dialysis of the mixture to neutral, freezing and drying to obtain chitosan-polyethylene glycol mixture; (iv) mixing modified graphene oxide with 1-ethyl-(3-dimethylaminopropyl)carbonyldiimide hydrochloride in a mass ratio of 1:1-1:2, adding 5-8 times water, ultrasonically dispersing, adding 0.2-0.5 times chitosan-polyethylene glycol mixture, stirring and drying to obtain additive; (v) adding zinc oxide to surfactant in a ratio of 2:1-3:1, adding 8-12 times zinc oxide, where the amount of zinc oxide is 1-2 times higher than that of polyvinylpyrrolidone, ultrasonically dispersing to obtain dispersion liquid, mixing dispersion liquid with the ammonia aqueous solution in a ratio of 8:1-10:1, dropping ethyl orthosilicate, stirring, centrifugally separating, taking the precipitate to obtain the blank, washing the blank with hydrochloric acid in a ratio of 1:5-1:8, filtering, drying to obtain pretreated silica; (vi) mixing surfactant with water in a ratio of 1:50-1:52, adding 2-3 times mixed surfactant with pretreated silica, where the mixed surfactant is 1-2 times of the mass of additive, stirring and mixing to obtain the pre-processed mixture, dropping 0.5-0.6 times ethyl acrylate to the pretreatment mixture, where the quality of the pretreatment mixture is 0.015-0.018 times of alpha -methacrylic acid solution and the quality of the pre-treating mixture 0.002 to 0.003 times the amount of the initiator, stirring, reacting and adjusting the pH to obtain the modified polyacrylate emulsion; and (vii) taking 30-35 pts. wt. water, 10-12 pts. wt. isopropanol, 10-12 pts. wt. casein, 2-5 pts. wt. tackifying resin, 10-15 pts. wt. polyurethane emulsion, 18-25 pts. wt. modified polyacrylate emulsion, 8-15 pts. wt. additive, mixing the modified polyacrylate emulsion with polyurethane emulsion, and adding water, isopropanol, casein, tackifying resin and additive, stirring and mixing.