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Professional metal name plate manufacturer in China since 2006. DongGuan YongFu Hardware  Co., LTD

Email: kelly.jiang@yfnameplate.com

What factors affect the quality of silk screen signs in the 'strong' survey?

There are many reasons for the impact of silk screen signs. The influence of the acidity of the wet liquid on the boring, in addition to the above factors. The thickness of the printing ink layer and the influence of the number of overlapping ink printing on the dullness, etc. , different printing environments also have certain influence on the dullness of the ink. The air circulation in the printing environment makes the oxygen content in the air sufficient, and the oxygen can be compensated from time to time, and then the oxidation polymerization reaction rate of the ink is accelerated. In addition, the air circulation can also improve the transpiration rate of the solvent, so that the ink transpiration can be enhanced. The dullness of ink is mainly determined by the type and nature of the binder when the type or type of ink is different. Boring methods and boring functions are also different. For example, resin ink is more boring than oil ink, and the composition of the connecting material is different. This is because its connection guess is rich in resin components; When the proportion of dry oil rich in the connection guess increases, the boring speed of the ink slows down accordingly. In addition, the dullness of the ink is also affected by multiple factors, which changes the boring speed of the ink. One. The influence of ink pigment on dullness the drying mechanism is similar to that of boring agent, the oxidative polymerization reaction of ink is carried out in the presence of solid phase such as pigment and filler. Different pigments have different effects on the oxidative polymerization reaction of ink. Some pigments are lazy and have no significant effect on the dullness of the ink. Some pigments have a drying effect. But the ability to do it is much weaker. Especially when the molecular structure of pigment is rich in phenol, phenol, naphthol, Amine, aniline and other groups, most organic pigments have a blocking effect on the boring oxidative polymerization of ink. Can press the connecting material for oxidative polymerization reaction. Therefore, the oxidized conjunctival boring ink made of these pigments. The boring speed is slow. Rare pigments that prevent ink from oxidizing and boring include carbon black, titanium dioxide, azo red and phosphorus tungsten molybdenum salt deposition. The proportion of pigment used in ink and its dispersion are also related to the strength of ink penetration ability and the speed of penetration and boring. The amount of pigment is large, the particles are fine, and the blocking effect on the penetration of the connecting material is large when the particles are uniform, and the capillary effect formed by the pigment particles is strong, so the penetration of the connecting material can be weakened, the corresponding ink dullness is also reduced. Second ,. The influence of catalyst on the dullness of ink is also different. In addition to the boring agent can improve the speed of ink oxidation conjunctiva boring, in the process of sign production, ink should participate in silent writing auxiliary agent to adjust printing adaptability. The composition and properties of various auxiliary agents are different. Some other auxiliary agents can accelerate the boring speed of ink, while others can restrain the boring speed of ink and neglect the boring speed of ink. Third ,. The influence of high temperature on boring the boring speed of ink accelerates. The temperature of the printing environment rises every 10 °c increase. The time required for the oxidation of ink can be shortened by half. When the temperature rises, the chemical activity of the substance molecules increases, the reaction rate between the dry oil molecules and oxygen accelerates, and the production of peroxides in the oxidative polymerization reaction also increases, which can accelerate the polymerization of the oil molecules. In addition, when the temperature rises, the molecular motion speed accelerates and energy is added, which can improve the transpiration rate of solvent in the binder, and then improve the boring and boring speed of transpiration boring ink. Fourth ,. The influence of air relative humidity on dullness the dullness of ink slows down. The concave and convex of the relative humidity mainly affects the boring speed of the oxidized conjunctiva of the ink, and the humidity of the brand factory has a greater influence on the boring of the ink. When the ambient temperature rises. This is because when the water vapor content in the air increases, the chemical vitality of oxygen in the air weakens, the amount of oxygen touched by the ink is relatively reduced, and the water content of the paper is correspondingly improved, compared with the low relative humidity, the absorption of the paper to the connecting material is reduced, so that the ink penetration and agglutination can also be reduced, resulting in the boring of the ink. Five ,. The influence of paper materials on the dullness of paper can be different. The tenderness of paper is one of the important factors that affect the dullness of ink. The water content, ink absorption, tightness and sizing degree of paper are closely related to the penetration and penetration speed of ink. Affect the speed of ink soaking, drying and agglutination. When the water content of the paper is too high, the transpiration of water will prevent the oxidation polymerization reaction and slow down the boring speed of the ink. Therefore, the strong and weak dullness of ink after printing on paper with different properties are different.

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