2100 3C-Dyeing

2100 3C-Dyeing - Chapter 3, Part III. Textile Dyeing TXMI...

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Unformatted text preview: Chapter 3, Part III. Textile Dyeing TXMI 2100 Outlines Dyes and dyeing processes Different dye classes Pigments Printing Dyeing Process Dyes dissolve in water Dyes are absorbed, then diffuse in to fabric Dyes migrate and, then are fixed to the fibers Clean-up to remove unfixed dyes from the fabric Conditions of Dyeing Temperature/pressure pH of dye solution Use of salt (sodium chloride) Use of auxiliary chemicals Dyeing of Textile Materials Fiber dyeing Yarn dyeing Piece (fabric) dyeing Garment dyeing Fiber Dyeing Yarn Dyeing Piece (Fabric) Dyeing: The Most Commonly Used Method Garment Dyeing 2. Dye Classes Dyes for Cotton Direct dyes Fiber-reactive dyes Vat dyes Sulfur dyes Dyes for Protein and Synthetic Fibers Acidic dyes Basic dyes Disperse dyes Direct Dyes Water soluble Sensitive to dye temperature Limited brightness Poor colorfastness to laundering Inexpensive Fiber-Reactive Dyes Forming covalent bonds with cellulosic fibers...
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2100 3C-Dyeing - Chapter 3, Part III. Textile Dyeing TXMI...

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