Application Of Water-based Wax In Printing Industry

2023-02-20   Pageview:170

The application of water-based wax in the printing industry. Wax emulsion is a very important component in the water-based varnish system. The types of wax emulsion mainly include stone wax emulsion and polyvinyl wax emulsion, which can effectively improve the water Wear resistance of permanent varnish, anti-adhesion, and give printed matter a skin-like feel.

Application fields of water-based wax: water-based varnish, water-based ink.

Effects of water-based wax: anti-scratch, anti-adhesion, wear-resistant, anti-slip or increase slip, improve brightness, matte, water repellency, and peel off.

The principle of water-based wax: choose a reasonable water-based wax product and water-based resin additives, etc. During the drying process, the wax particles migrate to the surface of the coating due to the floating effect and the ball-axis effect, forming a wax layer. Anti-scratch, anti-adhesion and other functions.

As an additive of water-based ink, water-based wax emulsion can better improve the surface properties of water-based ink after film formation, and endow the ink with better wear and abrasion resistance. At the same time, the wax emulsion can also be used as a matting agent, which has a good matting effect.

The emulsified wax emulsion is added to the ink, and the wax particles migrate to the surface of the ink coating during the stirring process, changing the properties of the coating surface (reflection, refraction and scattering of light, while coating Friction coefficient changes, changes in coating surface hardness and mechanical properties), so as to improve the gloss of ink (increase gloss or reduce gloss), feel (smooth, oily or even astringent), resistance Corrosion resistance, scratch resistance, adhesion, etc. will be affected.

What are the requirements for wax emulsion in the ink system? Wax emulsions are mainly used in high-gloss systems, such as various types of varnishes. Its first requirement is not to affect the transparency and gloss of the system. Therefore, the particle size of the wax emulsion is required to be less than 0.2 μm. During the ink drying process, part of the wax particles migrate to the surface of the coating due to floating effect (difference in density), which plays the role of anti-wear and anti-scratch.


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