What type of fluorescent whitening agent is suitable for ink

Ink is a viscous colloidal fluid made of pigments, connecting materials, fillers, additives, etc. that are uniformly mixed and rolled repeatedly. The pattern and text are displayed on the substrate through printing. Most of them are used in various markets such as books, packaging and decoration. The various additives added in the production of ink include desiccant, anti-drying agent, diluting agent, detackifier, plasticizer, fluorescent whitening agent, etc. Adding fluorescent whitening agent to ink can greatly increase its whiteness and brightness. Generally, fluorescent whitening agent OB is used.

 

微信图片_20220302153140

 

There are two ways to add fluorescent whitening agent OB into ink to whiten and brighten, one is cold mixing and the other is grinding. These two addition methods will not affect the production process and production process of the ink. With the shortage of raw materials in recent years, the price of traditional fluorescent whitening agent OB is also skyrocketing. The ink manufacturers who used traditional fluorescent whitening agent OB earlier found that the cost is getting higher and higher, so they are looking for a good whitening effect. A special whitening agent for ink that will not seriously increase the production cost.

For this reason, our company has improved the traditional fluorescent whitening agent OB through technical research and field experiments by engineers, which not only improves the whitening and brightening effect by more than ten points, but also reduces the amount of addition and price, and can be specially adapted to two types of ink. Add method. The improved fluorescent whitening agent OB has an effective melting point as high as 220°C, and can be better compatible with organic solvents, so that the produced white ink has blue-white light or original white light, which better increases the competitiveness of the market. Other colors of ink also add brightness in disguise.

2

 

The fluorescent whitening agent OB ink special version has good weather resistance and excellent anti-fading performance. It is a high-grade whitening auxiliary specially used in ink. Our company can provide application technical services such as color adjustment. For more whitening agent questions, you can contact us, we will provide you with a variety of special fluorescent whitening agents for the plastic coating market!


Post time: Mar-02-2022