Unlock the Secrets: A Deep Dive into the Classification of Dyes and Pigments
Until the discovery of synthetic dyes and pigments, natural colorants such as flowers, plants, and minerals were the only sources of natural colorants. There has been a massive increase in the number and kind of colorants, making their classification mandatory. In this guide, we will discuss the classification of dyes and pigments. What are dyes and pigments? How they are produced? And what are the classifications of dyes and pigments? Dyes or colorants are categorized according to various factors, like structure, source, color, solubility, and application. They are divided into two categories: dyes and pigments based on the chemical structure and application method of dyes. Azo dyes are classified as anthraquinone, anthraquinone-containing dyes, indigo dyes, phthalocyanine dyes, sulfur dyes, nitro dyes, and nitroso dyes based on the chemical structure of the dyes. Based on the application method, pigments were grouped as reactive, dispersed, acid, basic, direct, and vat dyes. Nonetheless, based on their chemical composition, pigments can also be considered organic versus inorganic. So, let’s dive right into the classification of dyes and pigments and understand their significance in various industries. What are dyes and pigments? Dyes and pigments are both substances that impart color to different materials, although they work…
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