Influencing factors of printing on non-woven fabric
Through experiments, it can be concluded that the initial conclusion can be achieved by screen printing spunbond nonwovens. Through the four kinds of weight of non-woven printing effect observed, the impact of the flatness of the ink layer and the substrate and the amount of ink on the substrate and how much the printing effort, when the low weight of the non-woven fabric to apply high ink, After drying more wrinkles appear. In the experiment, many samples appeared in the field after printing the outline of the color is not clear, the hair appears around the color of the virtual and rough edges, mainly due to the printing plate and the substrate between the print size is too small, the ink appeared from the tape and Mesh penetration at the screen, printed on the substrate in excess ink. Similarly, the cause of this problem also includes ink viscosity is too large, so that the ink can not be completely through the mesh printed on the non-woven fabric. At the same time must ensure that the experimental environment clean, if the environment is too much dust, there will be a certain chance of dust blocking the mesh, print quality decline. Experiments, often appear paste board and blocking version of the situation, through the observation, the general slow printing speed and printing pressure is often blocked version of the phenomenon. By understanding, if the plate is too dark or too light will appear paste plate and blocking the phenomenon, and blocking the ink viscosity commonly used are very high. Therefore, block version and paste the situation summarized as a few things: the viscosity of the ink is too high, the depth of the plate, the printing ink scraping the speed of the ink stick these three points.
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