| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for finishing an indigo-dyed cloth by which used feeling can be imparted, and to provide the indigo-dyed cloth having the used feeling imparted thereto. SOLUTION: The bleaching method includes soaking the indigo-dyed cloth in sea water or an aqueous solution obtained by dissolving metal ions of sodium, magnesium, and calcium in water, and containing the metal ions of the sodium, the magnesium and the calcium, and a chlorine ion, and adding peroxosulfates thereto to make a deeply drab hue in yellow-green to green-blue color system. COPYRIGHT: (C)2009,JPO&INPIT
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