The Role Of Wax Emulsion In Water-based Ink

2024-03-14   Pageview:40

The role of wax emulsion in water-based ink. As an additive for water-based ink, water-based wax emulsion can better improve the surface properties of water-based ink after film formation, giving the ink better resistance to wear and scratches. Ability. At the same time, the wax emulsion can also be used as a matting agent and has a good matting effect.

Various low-molecule, high-melting-point wax powders or wax emulsions are often added to the formulations of water-based ink coatings. The main purpose is to improve the full feel and durability of the coating surface during the thermal transfer process. Abrasion and anti-scratch matting, degassing and texture effects, because in water-based ink systems, wax molecules can have a bonding effect, and wax molecules can be adsorbed on the ink filler particles and can be transferred to The top layer of the coating prevents the coating from sticking and re-sticking, and does not affect the overall leveling of the water-based ink, solving problems such as pinholes and pits on the surface of the coating.

Dispersion. After the wax emulsion is emulsified with an emulsifier, the system is relatively stable and has good dispersion. When added to the ink system, it can be well and evenly dispersed in the ink system and has good compatibility. The wax powder itself is an ultra-fine particle. The finer the wax powder is added, the wax powder will agglomerate due to the effect of the molecular force and is added to the ink system. If the dispersion is not good, the surface of the ink film will be very uneven. Rough, not smooth to the touch, with a grainy feel. But if the wax powder has good dispersion, the effect will be great.

Compatibility. In preparing all coating formulas, the overall compatibility will directly affect the performance of the entire product. Therefore, whether it is wax powder or wax emulsion, during use, you need to consider whether other formulas in the formula will affect the performance of the entire product. It reacts with it and causes poor compatibility.

In the water-based ink system, wax emulsion has the same function as wax powder. Both can well improve the wear resistance, scratch resistance, leveling and degassing of the ink film. The biggest difference is the dispersion. and compatibility issues.

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