Advantages and Applications of basic dyes
- 1. Basic Dyes www.veeraco.com +91-9372699096 info@veeraco.com
- 2. Introduction Basic dyes are called so since they are salts organic bases. Basic dyes manufacturers in India. Basic dyes are called cationic dyes because in solution basic dye molecule ionizes, causing its colored component to become an action of positively charged radical. Basic dyes are used for dyeing wool, silk and acrylic and mod-acrylic fibers.
- 3. Properties of Basic Dyes 1. Iconic Nature: Cationic 2. Shade Range: Unlimited shade range with high tinctoral value, brightness 3. Solubility: Soluble in Water 4. Leveling Properties: Poor Leveling 5. Affinity: Very affinity towards wool, silk and acrylic fibre 6. Fastness Properties: Light fastness is poor but wet fastness is good 7. Exhaustion: Cationic dyes have a varied rate of exhaustion 8. Reactivity: Basic side of the isoelectric points 9. Application on Cotton Fabric: Basic colours are not employed on cotton
- 4. Limitations of Basic Dyes 1. Poor shade stability 2. High acid content 3. Colored backwaters 4. Very poor light fastness
- 5. Advantages of Basic Dyes 1. Moderate substantively. 2. Relatively economical 3. Shows good brightness 4. High Tinctorial strength 5. Wide shade range 6. Includes some of the most brilliant synthetic dyes.
- 6. Applications of Basic Dyes 1. Textile Industry: Textile industry for dyeing wool, silk, and nylon fibers 2. Paper Industry: Paper industry to color paper and paper products 3. Leather Industry: Penetrate deeply into the leather, providing long-lasting and rich colors 4. Ink Industry: Especially in the production of colored inks for writing, printing, and artistic applications 5. Biological Staining: Biological laboratories for staining cells and tissues 6. Plastics: Color plastics, including acrylics and modified polyesters 7. Cosmetics: Cosmetics and personal care products to provide coloration
- 7. Chemical Structure of Basic Dyes Basic dyes are characterized by their chemical structure, which typically includes a chromophore group (responsible for color) and a basic group (positively charged, which allows them to bind to negatively charged substrates like fibers). Here's a general structure and explanation: H | N--CH2--Ar--N(CH3)2 | CH3
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