The production of gravure ink is inseparable from the solvent. Similarly, when the gravure printing operation is performed, when the gravure operation is performed, the dilution of the ink is also inseparable from the solvent. In the gravure printing operation, it is very important to select the proper solvent to dilute the ink. If the solvent is not pure or the formula of the diluent is incorrect, it will easily cause damage to the ink, making the printing impossible, and even causing the residual of the solvent to occur. The problem of anti-adhesion of printed products after printing, use of printed products, etc.
Solvents used for dilution of gravure inks generally include alcohol solvents, benzene solvents, ester solvents, and ketone solvents.
Alcohols are ethanol, isopropanol, butanol, etc., ethanol isopropyl alcohol is relatively fast drying, but for the gravure plastic ink, ethanol solubility is poor, and the water content is greater, generally do not use, ethanol is generally Alcohol-soluble inks and water-based inks are used more often, and gravure inks mainly use isopropyl alcohol or butanol mixed with other solvents as a diluent for inks. Isopropyl alcohol dries faster, but butanol dries more slowly.
Benzene solvents are mainly toluene, xylene. Toluene has the distinction between petroleum toluene and coal-based toluene. Do not use char-type toluene because it will damage the plastic gravure ink and make printing impossible. Toluene is a dry solvent, and xylene is a slow-drying solvent.
The ester solvents used for gravure inks mainly include ethyl acetate and butyl acetate. Ethyl acetate is the fastest dried in gravure ink thinners, and acetate is slower to dry.
Ketone solvents are generally used in complex oils, mainly butanone and keto-ketone. The addition of ketones to the composite ink will make the oil-paste better dryness and good fluidity, while cyclohexanone is very slow-drying. It smells great and is generally not used.
Select the appropriate solvent to dilute the ink for printing. The solvent used must be pure, with no moisture and impurities, otherwise it cannot be used. With a good solvent, to be formulated into an ideal diluent, you must understand the drying performance of various solvents, follow the use of slow-drying solvents for commercial or slow printing, and use fast-drying solvents for low-temperature or fast printing. the rules. In the printing process, for different printing conditions, printing speeds and different printing problems, it is necessary to know how to adjust the ink drying speed through the adjustment of the solvent formulation in order to ensure that the ideal print and plastic packaging can be printed and the products can be improved. The quality and success rate reduce scrapping of printed products. (spirit)
Solvents used for dilution of gravure inks generally include alcohol solvents, benzene solvents, ester solvents, and ketone solvents.
Alcohols are ethanol, isopropanol, butanol, etc., ethanol isopropyl alcohol is relatively fast drying, but for the gravure plastic ink, ethanol solubility is poor, and the water content is greater, generally do not use, ethanol is generally Alcohol-soluble inks and water-based inks are used more often, and gravure inks mainly use isopropyl alcohol or butanol mixed with other solvents as a diluent for inks. Isopropyl alcohol dries faster, but butanol dries more slowly.
Benzene solvents are mainly toluene, xylene. Toluene has the distinction between petroleum toluene and coal-based toluene. Do not use char-type toluene because it will damage the plastic gravure ink and make printing impossible. Toluene is a dry solvent, and xylene is a slow-drying solvent.
The ester solvents used for gravure inks mainly include ethyl acetate and butyl acetate. Ethyl acetate is the fastest dried in gravure ink thinners, and acetate is slower to dry.
Ketone solvents are generally used in complex oils, mainly butanone and keto-ketone. The addition of ketones to the composite ink will make the oil-paste better dryness and good fluidity, while cyclohexanone is very slow-drying. It smells great and is generally not used.
Select the appropriate solvent to dilute the ink for printing. The solvent used must be pure, with no moisture and impurities, otherwise it cannot be used. With a good solvent, to be formulated into an ideal diluent, you must understand the drying performance of various solvents, follow the use of slow-drying solvents for commercial or slow printing, and use fast-drying solvents for low-temperature or fast printing. the rules. In the printing process, for different printing conditions, printing speeds and different printing problems, it is necessary to know how to adjust the ink drying speed through the adjustment of the solvent formulation in order to ensure that the ideal print and plastic packaging can be printed and the products can be improved. The quality and success rate reduce scrapping of printed products. (spirit)
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