Reactive dyestuff composition and their use
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United States of America Patent
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Apr 27, 2010
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app pub date -
Dec 15, 2005
filing date -
Aug 31, 2005
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Abstract
A dye composition, which comprising: (a) a mono azo dye of the formula (I), K, Y and m are defined the same as the specification; and (b)at least one azo dye selected from the group consisting of the following formula (II), (III) and (IV),are defined the same as the specification. These kinds of dye composition with good stability and build-up. The dye composition are suitable for dyeing and printing of materials containing either cellulose fibers, such as cotton, artificial cotton, linen, and artificial linen, or synthetic polyamide, such as wool, silk, and nylon etc. Dyed materials with excellent properties can be obtained, showing especially outstanding performance in of wash-off, built-up, level-dyeing, photochromism, wet-fastnes, ghosting fastness and light fastness.
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