What are the main components of inkjet printer ink?1

Different brands of inkjet printers have their own ink models and classifications. Different industrial inks have different technical parameters, so the inks of different brands of inkjet printers cannot be substituted for each other. What are the main components of inkjet printer inks? 1. Adhesive: Adhesive is the main component of cij printer ink. Its function is mainly as a carrier of pigments to enhance the adhesion of inkjet markings on the surface of objects. It is required that the adhesive can be completely dissolved in the solvent and has good miscibility with other components. After comparison, the cellulose adhesive has good adhesion to the surface of the object, and the added amount is 5.0% to 10.0% of the total weight of the ink. 2. Solvent: Solvent as a carrier plays a decisive role in the performance of cij printer ink. The solvent must be able to dissolve components such as colorants and adhesives quickly, and also have the right volatility, which can effectively control the drying speed during the inkjet printing process. During the test, it was found that two or more kinds of ketones and alcohols with low carbon atoms are used as the solvent and mixed in a certain proportion, and the added amount is about 70%-90% of the total weight of the ink. 3. Conductivity regulator: In order to meet the needs of electronic control, the inkjet printer ink requires a certain conductivity, so it is necessary to add a conductivity regulator. In addition to the colorant to provide a certain conductivity value in the ink, ionizable organic salts or inorganic salts are also used as conductivity regulators. For example, tetramethylammonium acetate has good solubility in the selected solvent and can provide Sufficient conductivity value, the addition amount is 0.5% to 2.0% of the total ink weight. 4. Connecting material: As the main component of inkjet printer ink, it has the function of dispersing pigments, giving the ink proper adhesion, fluidity and transfer performance, and fixing the pigments on the surface of the printed matter through film formation after printing. The binder is often referred to as a varnish. The rheology, viscosity, neutrality, acid value, color, water resistance and printing performance of ink mainly depend on the binder. It can be said that if the same pigment uses different binders, it can be made into different types of inks, and if the same binder is used with different pigments, the final product is still the same type of ink, because it The properties of the ink cannot be changed. 5. Colorant: The colorant must have sufficient dissolving ability in the solvent, and has good mutual solubility with other components in the ink, bright color, good weather resistance and aging resistance. The test found that the organic chromium complex pigment can not only meet the above requirements, but also has good conductivity in the selected organic solvent, and can provide a certain conductivity. The amount of colorant added in the ink accounts for about 3.0% to 8.0% of the weight of the ink, which is subject to the required color depth. 6. Pigment: It is a powder that is insoluble in water and organic solvents. These powders may be colored, black or white powders with high dispersity. If these powders are classified into organic pigments and There are two types of inorganic pigments. 7. Filler: It plays the role of filling, filling the pigment part, which can reduce the amount of pigment, reduce the cost, and can adjust the properties of the ink, such as thinness, fluidity, etc., and also improve the flexibility of formula design. The above are the main components of the inkjet printer ink. The drying speed of the ink and the form of the ink to deal with these media are directly reflected in whether the product logo can appear on the product in the expected form, and whether it will follow the normal use of the product. Adheres normally to the product. There are also various types of cij printers and inks, and cooperation has become an important part of achieving a perfect logo.

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