▎ 摘　　要

NOVELTY - Preparing antibacterial hydrophobic epoxy resin paint, comprises e.g. (1) mixing crystalline aluminum trioxide with absolute ethanol to obtain a crystalline aluminum trichloride solution, stirring, dropping acetylacetone, stirring, spray drying, adding liquid paraffin, mixing, then stirring, and drying to obtain hydrophobically modified crystalline aluminum trioxide, (2) dropping liquid epoxy resin into citric acid solution, heating, adding hydrophobic modified crystalline aluminum trioxide, heating and stirring, and cooling to obtain a modified liquid epoxy resin, (3) calcining barium hydroxide and zinc oxide, drying, high temperature calcining, adding starch, then grinding, and (4) adding graphene, anti-settling agent and sodium dodecylbenzenesulfonate into water, stirring, adding product obtained in the step (3), stirring, adding diatomite, stirring, adding modified liquid epoxy resin, stirring, adding dispersant, antifoaming agent and flatting agent, and mixing. USE - The method is useful for preparing antibacterial hydrophobic epoxy resin paint. ADVANTAGE - The antibacterial hydrophobic epoxy resin paint: has excellent mechanical performance and stability. DETAILED DESCRIPTION - Preparing antibacterial hydrophobic epoxy resin paint, comprises (1) mixing 10-15 pts. wt. crystalline aluminum trioxide with absolute ethanol (18-23 times of crystalline aluminum trioxide) under stirring condition to obtain a crystalline aluminum trichloride solution, stirring uniformly, dropping 20-30 pts. wt. acetylacetone under stirring condition, stirring resulting solution at 50 degrees C for 1-2 hours under a water bath condition, spray drying, adding 1-5 pts. wt. liquid paraffin, mixing uniformly under stirring condition, then stirring at room temperature for 5-8 hours, and drying to constant weight to obtain hydrophobically modified crystalline aluminum trioxide, (2) dropping 70-80 pts. wt. liquid epoxy resin into 1-5 pts. wt. citric acid solution, heating to 110-150 degrees C, adding hydrophobic modified crystalline aluminum trioxide obtained in the step (1), heating to 80-100 degrees C and stirring for 1-2 hours, and cooling to room temperature to obtain a modified liquid epoxy resin, (3) calcining 10-15 pts. wt. barium hydroxide and 10-15 pts. wt. zinc oxide, drying in hot air drying box at 120-125 degrees C for 3-4 hours, high temperature calcining at 1500-1600 degrees C for 2-4 hours, adding 5-12 pts. wt. starch, then grinding to 200-300 meshes, and (4) adding 1-3 pts. wt. graphene, 0.1-0.3 pts. wt. anti-settling agent and 1-2 pts. wt. sodium dodecylbenzenesulfonate into 100-150 pts. wt. water, stirring for 3-5 minutes, adding product obtained in the step (3), stirring for 3-5 minutes, adding 40-60 pts. wt. diatomite, stirring for 15-20 minutes, adding modified liquid epoxy resin obtained in the step (2), stirring for 20-25 minutes, adding 0.4-0.5 pts. wt. dispersant, 0.1-0.3 pts. wt. antifoaming agent and 0.3-0.5 pts. wt. flatting agent, and mixing uniformly.