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INDIGO DYEING PROCESS AND APPARATUS AND INDIGO DYED YARNS AND FABRICS MADE THEREBY
INDIGO DYEING PROCESS AND APPARATUS AND INDIGO DYED YARNS AND FABRICS MADE THEREBY
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机译:靛蓝染色过程和装置以及由此制成的靛蓝染色纱线和织物
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摘要
Processes are disclosed which substantially eliminate the formation of oxidized indigo dye before and during dye application onto a natural fiber yarn or fabric while allowing the leuco-indigo dye molecule to diffuse fully into the natural fibers of the yarn where it can fix to the fibers prior to oxidation (i.e., exposure of the leuco-dyed yarns to oxygen). Indigo dyed textile products (e.g., dyed cotton yarns that may be twill woven to form a denim fabric) exhibit exceptionally high colorfastness as determined by the AATCC Crock Test.
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