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[Chemical Knowledge]：Exploring the Difference between Reactive Black and Disperse Black

Read： 429 Time：15months ago Source：Transform the World with Simplicity

Reactive black and disperse black are two common pigments, which are widely used in all walks of life. Although they have similar names, they actually have obvious differences in nature and use. The preparation methods of

reactive black and disperse black are different. Reactive black is obtained by inserting atoms or molecules on the surface of the pigment to form an active center that reacts with other substances. Disperse black is prepared by dispersing a pigment in a solvent or a resin. There are also differences in the physical and chemical properties of

. Reactive black pigment has high hygroscopicity and hydrophilicity, and its surface can easily react with gas, liquid or other pigments. The molecular structure of dispersed black is relatively stable and is not easily affected by external conditions.

in the application, reactive black and dispersed black also have different uses. Because the reactive black pigment has strong reactivity with other substances, it is often used in rubber, ink, adhesive and other industries. It can increase the adhesion of the pigment to the base material, improve the adhesion and durability of the product. Disperse black is mainly used in plastics, coatings, textiles and other fields. Disperse black pigment particles are small, good dispersion, can be evenly colored, and bring good coverage and color to the product.

In addition, there is a difference in price between the two. Because the preparation process of reactive black pigment is more complicated and the requirements for raw materials are higher, its price is relatively high. The dispersed black because of the simple preparation process, raw materials are more common, so the price is relatively low.

In short, although active black and dispersed black have similar names, they are quite different in preparation methods, physical properties, chemical properties, application fields and prices. For different industries, it is very important to choose suitable pigments according to the specific requirements of the product. It is hoped that this article can help readers better understand the difference between reactive black and dispersed black, and provide reference for selecting suitable pigments.

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