Dye composition and the use thereof
AssigneeEverlight USA, Inc.
InventorsHuei-Chin Huang, Sheue-Rong Lee, Hsiao-San Chen
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Abstract
A dye composition, which comprising: a monoazo dye of the formula and a disazo dye of the formula (II) wherein R, R1, R2, R3, R4, Y, K, D are defined in this document ; these kinds of dye composition have good stability and build-up. The dye composition are suitable for dyeing and printing of materials containing cellulose fibers, such as cotton, artificial cotton, linen, and artificial linen, or synthetic polyamide, such as wool, silk, and nylon etc.
Claims22
A dye composition comprising:
- (a) a monoazo dye of the formula (I):
- wherein R is hydrogen, sulfo, C1-4 alkyl or C1-4 alkoxyl;
- R1 is —CH3 or —COOH;
- K is phenyl or naphthyl rings having 0 to 3 substituent groups, said substituent groups are selected from the groups consisting of halogen, C1-4 alkyl, C1-4 alkoxyl, nitro, amino, hydroxyl, carboxyl, phosphonic acid and sulfo group;
- Y is —CH═CH2, —CH2CH2Cl or —CH2CH2OSO3H;
- and
- (b) a disazo dye of the formula (II):
- wherein R is hydrogen, sulfo, C1-4 alkyl or C1-4 alkoxyl;
- R2 and R3 independently is hydrogen, halogen, C1-4 alkyl or C1-4 alkoxyl;
- R4 is C1-4 alkyl or —NH2;
- Y is —CH═CH2, —CH2CH2Cl, or —CH2CH2OSO3H;
- D is a group having following formulas:
- wherein m is an integer of 1, 2 or 3;
- n is an integer of 1 or 2.
A method of dyeing or printing a fiber materials, comprising contacting the fiber materials with a composition having a monoazo dye of the formula (I):
- wherein R is hydrogen, sulfo, C1-4 alkyl or C1-4 alkoxyl;
- R1 is —CH3 or —COOH;
- K is phenyl or naphthyl rings having 0 to 3 substituent groups, said substituent groups are selected from the groups consisting of halogen, C1-4 alkyl, C1-4 alkoxyl, nitro, amino, hydroxyl, carboxyl, phosphonic acid and sulfo group;
- Y is —CH═CH2, —CH2CH2Cl or —CH2CH2OSO3H;
- and a disazo dye of the formula (II):
- wherein R is hydrogen, sulfo, C1-4 alkyl or C1-4 alkoxyl;
- R2 and R3 independently is hydrogen, halogen, C1-4 alkyl or C1-4 alkoxyl;
- R4 is C1-4 alkyl or —NH2;
- Y is —CH═CH2, —CH2CH2Cl, or —CH2CH2OSO3H;
- D is a group having formulas (IIIa) or (IIIb):
- wherein m is an integer of 1, 2 or 3;
- n is an integer of 1 or 2.
Dependencies are inferred from the claim text.