The Indian-Indian compound is not strong, mostly due to dilution of the ink system or the printing process, the resin content in the ink system is too small or the viscosity of the ink is too large, and there are unselected detachments caused by the special ink and the composite adhesive. On the other hand, the surface tension difference between the ink and the substrate is too large and the ink is uncured after printing (cooling), or the solvent is completely evaporated and the ink hardness is too small (the film is too brittle, too thick, or the plate is too deep ). In particular, the printing materials were not handled well, and the imprinting pressure was small and there was no resistance to rubbing and tearing. Note: The control of surface tension is mainly for the corona discharge treatment of printing materials.

Processing method: use printing compound ink with high resin content but small viscosity, use the ink and adhesive with the same properties as the printing material according to the type and model provided by the ink factory; second, adjust the surface tension controller of the printing machine (make it In the range of 38dyn/cm2, due to the different dry or dry time of different solvent type inks, the adhesion fastness should be re-examined after 48h aging (eg due to the viscosity, the dry speed and adhesion will not be strong. When using 175-line printing gradation printing, the technical parameters are: white ink / viscosity 25 ~ 30S/25 °C · coated 4 cups (40 ~ 100 m/min printing speed); and color ink viscosity should be controlled at 28 ~ 33S/25 °C·coating 4 cups (100～140m/min printing speed) range, while the actual application is lower by an average of about 5 S. The fifth is a short-time relaminated printing, the viscosity of the diluted ink is lower by about 3S or quick-drying The main solvent is the slow solvent, supplemented by the slow-drying solvent, which promotes the tight binding of the hydrogen bonding force.7 The printing roller is replaced with a depth of 15 to 35 μm. The ink appears water-like and should be temporarily added with gold transfer oil or special thinner, and it is best to use the thinner specifically produced by the ink factory, or TM3, etc. Ninth, in accordance with the "two-dimensional method" design, the diluent is formulated to avoid adhesion. bad.

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