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Different Types of Color and Structure of Dyes

The blog discusses different types of dyes and their structures. Including Acidic dyes, Basic dyes, Direct dyes, Disperse dyes, Reactive dyes, Sulfur dyes and Vat dyes. Read More: https://bit.ly/2LOmvZP

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Different Types of Color and Structure of Dyes

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  1. Different Types Of Color And Structure Of Dyes Sagar Colour Co

  2. ❖ Different Types of Dyes and Structures Dyes can be classified in different manners; based on application class, chemical constitution, end usage and so on. • The blog discusses different types of dyes and their structures. • ❖ Types and structures of different dyes

  3. 1. Acidic dyes Class: They are anionic compounds soluble in water. Suitable fabric: Wool, Nylon Application method: Beck, exhaust, continuous Color Fixation in percentage: 80 to 93 percent Pollutants associated with the dye: Color, unfixed dye, organic acids • • • • •

  4. 2. Basic dyes Class: They are soluble in water. Found in bright colors. Applied in a weak acidic dyebath. Suitable fabric: Wool, Nylon Application method: Beck, exhaust Color Fixation in percentage: 97 to 98 percent Pollutants associated with the dye: Color, unfixed dye, organic acids • • • • •

  5. 3. Direct dyes Class: They are anionic compounds soluble in water. They can be applied to cellulosics directly without using any mordant or metals, e.g., copper or chromium Suitable fabric: Cotton, Rayon, Other cellulosics Application method: Beck, exhaust, continuous Color Fixation in percentage: 70 to 95 percent Pollutants associated with the dye: Color, unfixed dye, salt, surfactants, diluents, finish, cationic fixing agents, retarding and levelling agents • • • • •

  6. 4. Disperse dyes Class: They are not soluble in water. Suitable fabric: Polyester, acetate, other synthetic fibers Application method: High temperature, exhaust, continuous Color Fixation in percentage: 80 to 92 percent Pollutants associated with the dye: Color, carriers, organic acids, levelling agents, defoamers, phosphates, dispersant, delustrants, lubricants • • • • •

  7. 5. Reactive dyes Class: They are anionic compounds soluble in water. The largest class of dyes. Suitable fabric: Cotton, wool, other cellulosics Application method: Beck, exhaust, continuous, cold pad batch Color Fixation in percentage: 80 to 92 percent Pollutants associated with the dye: Color, unfixed dyes, salt, alkali, defoamer, surfactant, finish, diluent • • • • •

  8. 6. Sulfur dyes Class: They are organic compounds that contain sodium sulfide or sodium Suitable fabric: Cotton, other cellulosics Application method: Continuous Color Fixation in percentage: 60 to 70 percent Pollutants associated with the dye: Color, alkali, reducing agent, oxidizing agent, unfixed dyes • • • • •

  9. 7. Vat dyes Class: They are the oldest dyes. Not soluble in water. Complex chemical structure. Suitable fabric: Cotton, other cellulosics Application method: Continuous, package, exhaust Color Fixation in percentage: 80 to 95 percent Pollutants associated with the dye: Color, alkali, reducing agent, oxidizing agent • • • • •

  10. Also Read: Which type of dye is suitable depends on the application requirement. Dying experts recomment it after checking the specs. If you are looking for dyes and chemicals manufacturers in india then Sagar Colour Co. is one of the foremost acrylic dyes, cationic dyes and textile chemicals manufacturers in Gujarat as well as other parts of India. Types & Use of Cationic Dyes in Textile Industry What Are The Multiple Uses Of Textile Auxiliary Chemicals? • •

  11. CONTACT US Phone No:- 261 7139999 E-Mail:- sagarcolourco@yahoo.com Address:- 403, Empire Estate, Near Udhana Darwaja, Ring Road. Surat – 395002, India. • • • Website:- https://dyesmanufacturerindia.com/

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