How to avoid the new method of pasting paste after printing

When UV glazing, due to the poor affinity of the UV varnish with the paper, it often causes the phenomenon of gel opening during the pasting or pasting. When laminating, the surface tension and surface energy of the film will have different values ​​in different environments. With the different adhesive strengths of different brands of adhesives, the phenomenon of gel opening often occurs. Some companies in order to avoid opening the plastic phenomenon, hesitate to increase the cost of purchasing imported or domestic high-grade glue paste adhesive, but sometimes still can not avoid the phenomenon of open plastic.

In order to effectively avoid the phenomenon of opening the glue, each folder-gluer machine manufacturer has made every effort to solve the problem, and has equipped the edge-gluer on the folder-gluer to grind the tongue after UV polishing, effectively solving the problem of opening the glue. However, the coated products cannot be polished with grinding wheels. Generally, the method of cutting the teeth is used, or when the film is applied, the area of ​​the mouth is opened, and then the high-quality adhesive is used. This method is effective, but it is not the best method. The following problems will still occur:

(1) The paper hair and paper powder generated during grinding will cause pollution to the environment around the machine and increase the wear of the equipment;

(2) Because the direction of the linear velocity of the grinding wheel is opposite to the running direction of the product, it will inevitably affect the production speed of the product and reduce the production efficiency.

(3) For high-end medical kits and cosmetics boxes and other products, in general, manufacturers do not dare to use ordinary adhesives to glue boxes. This will inevitably increase the cost of the paste boxes.

Low temperature particle flow technology can well solve the above problems. The use of particle flow technology to process the subsistence can remove the organic contaminants on the surface of the subsistence and enable it to be deeply cleaned, resulting in a variety of physical and chemical changes on the surface of the subsistence, such as etching and becoming rough and dense. The cross-linked layer and the introduction of oxygen-containing polar groups improve the hydrophilicity, adhesion, dyeability, biocompatibility, and electrical properties of the application area. When this technique is used to process the surface of the substrate under suitable process conditions, the surface of the substrate becomes polar, sticky, and hydrophilic, and the surface energy of the bonding surface is improved without any damage to the surface. Will not cause film or plating off.

After the low-temperature particle flow technology is applied to the gluing process, the following benefits are: 1The product does not open the glue; 2The cost of the gluing box is greatly reduced; If the condition is available, the ordinary adhesive can be used directly; 3The paper powder is directly eliminated. The impact of paper on the environment and equipment; 4 improve work efficiency.

Low-temperature particle flow technology has been widely used in packaging in foreign countries and has been successfully applied to the gluing process. It is believed that this new technology will bring direct economic benefits to packaging and printing companies.