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[Chemical Knowledge]：Properties and uses of pearlescent pigments

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Pearlescent pigment is a kind of pigment with unique optical properties, which can show pearly luster and color under light irradiation. In the field of chemical production raw materials, pearlescent pigments are widely used in various plastics, coatings, inks, printing and other fields to add bright appearance and improve the value of products. This article will detail the properties and uses of pearlescent pigments.

1. the properties of pearlescent pigments

1. Optical properties The core properties of

pearlescent pigments are their unique optical properties, which can reflect and interfere with light, thereby producing pearly luster and color. This effect is produced by the thin layer structure of the pigment surface, which is formed by the alternating stack of mica flakes of high refractive index and air layers of low refractive index. When light hits the surface of the pigment, reflection and interference occur to form color and luster.

2. Physicochemical properties

pearlescent pigments are usually supplied in powder or slurry form, with good dispersion and stability. They also have excellent heat resistance, weather resistance and chemical resistance, and can maintain stable properties and color under various harsh conditions. The use of

2. pearlescent pigments

1.
of the plastics industry
pearlescent pigments are widely used in the plastics industry and can be used to manufacture various plastic products, such as home appliance shells, car interiors, toys, etc. By adding pearlescent pigments, the surface of plastic products can show colorful luster and color, and improve the appearance quality and added value of products.

2. Coating industry

pearlescent pigments can also be used to manufacture various coatings, such as architectural coatings, automotive coatings, furniture coatings, etc. Adding pearlescent paint can make the coating surface appear pearl luster and color, increase the ornamental and decorative coating.

3. Ink industry

In the ink industry, pearlescent pigments can be used to make printing inks, so that the surface of the printed matter presents a unique luster and color effect. This effect can be used to improve the grade and visual appeal of printed matter, and is widely used in packaging printing, book printing and other fields.

4. cosmetics industry

pearlescent pigments in the cosmetics industry also has a wide range of applications, such as lipstick, eye shadow and other makeup products. By adding pearlescent pigments, cosmetics can show shining color and luster, increasing the ornamental and use effect of the product.

In short, pearlescent pigments have a wide range of uses in the field of chemical production raw materials, and can add unique appearance and color effects to various products. With the continuous progress of technology and the expansion of application fields, the application prospects of pearlescent pigments will be broader.

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