silk screen effect on non-woven fabrics
Through experiments, four kinds of different weights of spunbond non-woven fabrics in the 40, 80, 160 mesh three mesh screen printing, visual observation of the experimental results macroscopically, from the experimenter to screen out a few objective point of view Print the best print. Among them, through the summation of votes by many people, the best printing result is a 200-gram non-woven fabric with 160-mesh screen printing in a small amount of ink. Proper pattern, the outline of a clear and complete, uniform ink distribution, ink layer formation, ink and non-woven substrates are not wrinkled. The thickness of the ink layer is thick and moderately three kinds of high quality non-woven mesh in the lowest thickness of the ink layer, the sun can not penetrate the ink layer and non-woven fabric, ink surface no bubbles. After drying 24 hours, with 3M 600 tape repeatedly sticky five times on the surface, there is no ink off and fade. After drying, the ink layer surface smooth distinction and the purpose of 40 printed no significant roughness.
Analysis of the reasons: First of all, 200 non-woven fabric is the largest weight of non-woven in this test, 200 grams of non-woven material properties of these four non-woven fabrics in the most hard, many low-gram non-woven Easy to dry with the ink drying occurs folds, but 200 grams of non-woven material itself stiffness, the perfect customer service wrinkles reasons. The second point, because 200 grams of non-woven fabric material flat, printing, all parts of the average amount of ink, after printing surface roughness, consistent ink thickness and the ink will not penetrate non-woven fabrics.
160 grams 200 grams of nonwovens printed in a small amount of ink ensures that light can not penetrate the lowest ink layer thickness when printed at the same ink volume compared to other nonwovens prints. 160 Head 200 grams less ink non-woven ink layer density of 1.68 and the same density of more than the same amount of ink, but not the same as the less ink printing will not appear too much ink paste phenomenon. And the ink density of 1.68 is the highest density of all finished products in this experiment. Compared with the same density, the printing ink less sample more advantages, on the one hand to reduce the printing and production costs, at the same time through access to information that the amount of ink and ink layer is positively correlated, so less ink means Inking layer thickness is lower, reducing the thickness of the ink layer can effectively reduce the friction surface of the ink layer, a direct impact on increasing the printing of the use of time. And less ink drying time is much shorter than the amount of ink.
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