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Quiz_5_S12 - Why b Which one(s were designed with high...

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PCC 420 Name ___________________________________ Dyeing & Printing I have neither given nor received unauthorized assistance on this assignment . Quiz 5 – Due Tuesday, February 21, 2012 1. Consider the 4 dye structures below in answering the questions that follow. a. Which one(s) would normally be avoided when dyeing nylon?
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Unformatted text preview: Why ? b. Which one(s) were designed with high lightfastness on wool in mind? Why? c. Which one(s) give good washfastness on nylon? Why? d. Which one(s) require low pH when dyeing wool? Why? e. What structure forms when dye C is used to dye nylon at pH 4-5?...
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