Black fluorescent ink

Abstract

The invention provides a black fluorescent ink which mainly comprises 5-50% of fluorescent material, 5-40% of black pigment, 1-40% of blue pigment, 10-60% of linking material, 0.1-40% of filler, 2-60% of adjuvant. The linking material is one or more of phenolic resin, alkyd resin, rosin ester, polyamide resin, acrylic resin and acrylic acid derivative.

Description

technical field [0001] The present invention relates to an ink based on artificial resin. Background technique [0002] Fluorescent ink is the addition of fluorescent materials to ordinary inks. It is mainly used for anti-counterfeiting of printed products. It can show red, green, blue and other colors of fluorescence under ultraviolet light. It is suitable for various securities, bills, product packaging, trademarks, and decorations. print. Existing fluorescent inks are colorless or various colors under natural light, but there is no application of fluorescent inks with a black appearance. The main reason is that black inks have strong covering power and have the disadvantage of shielding colored fluorescence, resulting in the disadvantage of inconspicuous fluorescent anti-counterfeiting features. . Contents of the invention [0003] The object of the present invention is to provide a black fluorescent ink which is applicable to various printing methods and has good ant...

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Problems solved by technology

[0003] The object of the present invention is to provide a black fluorescent ink which can be applied to various printing methods and has good anti-counterfeiti

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