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Chapter 22-1 - ADDING COLOR TO TEXTILES CHAPTER 22 1 Adding...

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ADDING COLOR TO TEXTILES CHAPTER 22 1
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Adding Color to Textiles Ways to decorate of textiles: fabric construction (different looms) color added thru dyeing color applied in patterns thru printing 2
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DYES AND PIGMENTS colorants Natural or synthetic Dyes or pigments dyes Organic Must be soluble or made soluble to penetrate into fiber walls Dyes become molecularly-dispersed » Can be long lasting 3
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DYES AND PIGMENTS pigments organic or inorganic Insoluble particles dispersed but not molecularly » Can be added to liquid polymer » Can be applied to surface with resin binder » (t-shirt lettering is a pigment) 4
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NATURAL DYES The best dyes are fiber specific Fabric treatments for natural dyes natural acids or oxides Mordant improve colorfastness react with dyestuff form colored lake » “Fixing” the color within or on the fiber 5
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NATURAL DYES woad herb plant Blue dye – indigo traditionally used in denim (why denim fades) 6
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NATURAL DYES kermes small insects Brilliant scarlet 7
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Natural Dyes cochineal small insect Vivid red Cochineal = red 8
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