Colorfastness

Colorfastness - COLORAND COLORFASTNESS IMPORTANCEOFCOLOR...

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COLOR AND  COLORFASTNESS
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IMPORTANCE OF COLOR Consumers purchase clothing because  they like the color Color matching is an issue Color retention is critical to serviceability  over time Consumers expect  colorfastness  throughout wear and cleaning, 
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Bleeding  loss of color from a dyed fabric when  immersed in water, dry cleaning solvent  or other liquid  The liquid becomes colored Most common with dark colors Due to poor dye-fiber bonding COLORFASTNESS PROBLEMS
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Color staining color bleed into solvent is picked up by other  textiles, esp. nylon, in the solvent this is why you separate your laundry, especially  new items Migration color shifts to adjacent surfaces in the same fabric:  red flowers run onto white background LEADS TO:
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Crocking transfer of color to another surface or textile due to  rubbing most common with dark colors and when fabric is  damp Frosting change in color in certain areas due to abrasion durable press polyester/cotton frosts due to reduced  abrasion resistance of cotton desired wear with jeans is frosting OTHER COLOR ISSUES
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MORE Fading – Ultraviolet light or atmospheric  gases (acetate most affected)  Graying of light colors – can be from  laundry soil re-deposition Yellowing of white or light colors not from loss of color, but light reflection of  fabric Causes can be oxidation or degradation due to  age, oxidation of accumulated body oils,  nitrogen oxides in polluted air, and others
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COLOR IN PRODUCTION Designated in writing specifications for  materials Critical for component matching Critical with global production systems so 
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This note was uploaded on 12/25/2009 for the course FSAD 4320 taught by Professor Kozen during the Fall '09 term at Cornell.

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Colorfastness - COLORAND COLORFASTNESS IMPORTANCEOFCOLOR...

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