Plasma surface treatment solves the problem of delamination of laminated wine boxes and is suitable for fully automatic box gluing and mass production

For high-end gift boxes of Baijiu (Chinese liquor) and Red Wine, PP film coating and UV varnish processes are commonly used to enhance the appearance. However, the coating layer is a low surface energy material, and conventional water-based cold glues are difficult to adhere firmly. During batch production, problems such as box edge peeling and transportation edge detachment often occur. Many factories can only manually polish the glued edges, resulting in a lot of dust and unstable yield. Moreover, it is prone to damaging the printed and gold-embossed surfaces. The KECI constant pressure plasma equipment can be directly installed at the paper feeding position of the laminating machine. It can directly treat the adhesive area before the glue application, without the need to modify the entire production line structure. Dongguan KECI... 。

The low-temperature plasma only modifies the nanostructure of the surface layer of the cardboard, without damaging the color printing and gold stamping patterns on the wine box. After treatment, the surface tension of the cardboard reaches over 40mN/m, and the previously difficult-to-adhere laminates and UV coatings can be directly bonded with ordinary environmentally friendly water-based cold glue, completely eliminating the need for manual sanding and local film removal processes. The equipment supports custom multi-gun nozzles and is suitable for long wine boxes and irregular wine box folding lines. During the 20m/min high-speed operation of the folding machine, plasma activation can be completed simultaneously, without slowing down the overall production line's rhythm. Dongguan Keqi... 。

For the packaging of exported alcoholic beverages, the entire process is dust-free and free of chemical solvents, meeting the environmental protection standards for food contact packaging. After many packaging factories have adopted this technology, the rate of poor box adhesion has decreased by 85%, the usage of glue materials has been reduced, and the costs of manual sanding and material consumption have been saved. The equipment comes with CE safety certification, multiple fault alarms, and is compatible with domestic and international automated packaging lines for alcoholic beverage boxes, ensuring long-term stable operation.