Reactive black dye composition
The invention provides a reactive black dye composition. The reactive black dye composition mainly comprises 45-99 parts of at least one component A shown in formula (I) and 1-55 parts of at least one component B shown in formula (II) by mass. The reactive black dye composition has the advantages of...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides a reactive black dye composition. The reactive black dye composition mainly comprises 45-99 parts of at least one component A shown in formula (I) and 1-55 parts of at least one component B shown in formula (II) by mass. The reactive black dye composition has the advantages of good upgrading performance, high color fixing rate, high dyeing rate, easy washing, clear dyeing residual liquid, stable salt resistance and alkali resistance and excellent wet fastness when used in fabric printing and dyeing, and is a rare deep black economical dye. |
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