Preparation method of waterproof corrugated cartons

The invention relates to a preparation method of waterproof corrugated cartons. The method includes the following steps that step 1: raw and auxiliary materials are prepared; step 2: the raw and auxiliary materials enter a paperboard assembly line for paperboard production, and an adhesive and a waterproof agent are added, specifically, the adhesive is prepared from starch, water, caustic soda flakes, borax, a polyacrylate ammonium salt dispersing agent and urea resin, and the waterproof agent is prepared from a paraffin microemulsion, dimethicone and an emulsifying agent; step 3: longitudinaland transverse cutting processing is performed on produced paperboards; step 4: printing is performed, and meanwhile, an anti-wear agent is added; and step 5: slotting processing is performed, and then the corrugated cartons can be formed through carton nailing and binding. The corrugated cartons prepared with the preparation method have the relatively high waterproofness and the relatively highmechanical strength. 本发明涉及