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Blend Cationic Dyes Take You To Understand The Dye

Aug 16, 2017

      Dye is the material that can make fiber and other material coloring, the dye divide natural and synthesize two kinds. Dyes are colored substances. But a colored substance is not necessarily a dye. Dye is the ability to make a certain color attached to the fiber material, and not easy to fall off, discoloration. Dyes are usually dissolved in water, and a part of the dye needs a mordant to make the dye stick to the fiber. Archaeological data show that staining technology in India and the Middle East has been more than 5,000 years old.Blend Cationic Dyes
      At that time, dyes from animals and plants or minerals, very little treatment. According to the dye properties and application methods, dyes can be classified as follows. According to the status, water-based color slurry, oily paste, water-based color essence, oily color. By use, ceramic pigments, paint pigments, textile pigments, plastic pigments. According to the source, the natural dyes are divided into plant dyes, animal dyes, synthetic (also called artificial dyes) according to the usage, according to the dye properties and application methods.Blend Cationic Dyes
     REACTIVE dyes. This kind of dye is a new type of dye developed in the 50 's. Its molecular structure contains one or more active groups, under appropriate conditions, can react with the fiber chemical reaction, forming covalent bonding. It can be used in cotton, hemp, silk, wool, viscose fiber, nylon, vinylon and other textile dyeing. Suitable for all fibers, through the resin mechanical adhesion fiber, dark fabric will harden, but the color is very accurate, most of the light fastness, washing fastness is good, especially in the light. This kind of dye has water-soluble, mostly contains the water-soluble gene such as sulfonic acid base and carboxyl group. Protein fibers can be dyed directly in acidic, weakly acidic or neutral medium, but the fastness of wet treatment is poor.Blend Cationic Dyes
     The dyeing fastness is one of the important quality indexes of the dyed finished product, which is easy to fade and the fastness of dyeing is not easy to fade. Colour fastness to a large extent depends on its chemical structure. In addition, the dye on the fiber physical state, the degree of dispersion, the combination of dyes and fibers, dyeing methods and technological conditions have a great impact.Blend Cationic Dyes