Reactive black dye composition and method for dying fibers using the same
AssigneeEverlight Chemical Industrial Corporation
InventorsChien-Yu CHEN, Hong-Chang HUANG, Chia-Wen LIEN, Cheng-Hsiang HSU, Tz-Yi WU
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Abstract
A reactive black dye composition is disclosed, which comprises: (A) a reactive blue dye represented by the following formula (I) or a salt thereof; and (B) a reactive red dye or a salt thereof, a reactive yellow dye or a salt thereof, or a combination thereof. Herein, R11, X1, X2, X31, X41 and n are defined in the specification. In addition, a method for dying fibers using the aforesaid reactive black dye composition is also disclosed.
Claims20
A reactive black dye composition, comprising the following components:
- (A) a reactive blue dye represented by the following formula (I) or a salt thereof:
- wherein X1 is —OH or —NH2;
- X2 is —OH or —NH2, and X1 and X2 are different;
- R11 is H, —C2H4SO3H, —C2H4OC2H4OH or
- X31 and X41 are respectively a halogen;
- and
- n is 1 or 2;
- and
- (B) a reactive red dye or a salt thereof, a reactive yellow dye or a salt thereof, or a combination thereof.
A method for dying fibers, comprising:
- dying fibers with a reactive black dye composition by digital printing, wherein the reactive black dye composition comprises the following components:
- (A) a reactive blue dye represented by the following formula (I) or a salt thereof:
- wherein X1 is —OH or —NH2;
- X2 is —OH or —NH2, and X1 and X2 are different;
- R11 is H, —C2H4SO3H, —CH4OC2H4OH or
- X31 and X41 are respectively a halogen;
- and
- n is 1 or 2;
- and
- (B) a reactive red dye or a salt thereof, a reactive yellow dye or a salt thereof, or a combination thereof.
A method for dying fibers, comprising:
- dying fibers with a reactive black dye composition by textile printing, wherein the reactive black dye composition comprises the following components:
- (A) a reactive blue dye represented by the following formula (1) or a salt thereof:
- wherein X1 is —OH or —NH2;
- X2 is —OH or —NH2, and X1 and X2 are different;
- R11 is H, —C2H4SO3H, —C2H4OC2H4OH or
- X31 and X41 are respectively a halogen;
- and
- n is 1 or 2;
- and
- (B) a reactive red dye or a salt thereof, a reactive yellow dye or a salt thereof, or a combination thereof.
Dependencies are inferred from the claim text.