TH44450A - Reactive dye compounds - Google Patents

Abstract

DC60 (24/06/42) A reactive dye compound with the formula (I): (chemical formula) where; D is the chromophore group, L is the linkage, Q is the quaternized derivative, nitrogen, X and Y are independently selectable from chlorine, bromine, fluorine or hydrogen, A is selectable from the halogens to be used, chlorine or fluorine, provided that at least one of X and Y is fluorine, A is selectable from the halogens to be used, chlorine or fluorine and their salts and esters. The reactive dye compound of this invention exhibits high emission values, high fixation values, especially on cellulose-derived materials such as cotton, and shows significant improvements in the reduction of dye residue in the discharge water, the enhancement of dye affinity to the dyeing material, the enhancement of dye-dyeing covalent bonding, the enhancement of the dyeing ability of the material at room temperature, and the reduction of the amount of dye removed during The "soap rinsing process" after dyeing is simplified, a natural process used in conjunction with dyeing cotton with reactive dyes, and reduces staining of adjacent white fabrics. Furthermore, the compounds prepared above provide more intense dyeing and require less salt for dyeing cotton materials. The reactive dye compound has the formula (I): (chemical formula) where D is the chromophore group, L is the linkage, Q is the quaternized nitrogen derivative, X and Y are independently selectable from chlorine, bromine, fluorine, or hydrogen, A is selectable from the halogens that should be used, i.e., chlorine or fluorine, provided that at least one of X and Y is fluorine, A is selectable from the halogens that should be used, i.e., chlorine or fluorine, and their salts and esters. The reactive dye compound of this invention has a high consumption value and a high fixation value. Specifically, on cellulose-derived materials such as cotton, the compounds showed significant improvements in reducing dye residue in the discharge water, increasing dye affinity to the dyed material, enhancing dye-material covalent bonding, improving dyeability at room temperature, reducing the amount of dye removed during the post-dyeing "soap rinsing" process, and thus simplifying the natural "soap rinsing" process. Combined with the dyeing of reactive cotton yarns, this also resulted in reduced staining of adjacent white fabrics. Furthermore, the prepared compounds yielded more intense dyeing results and required less salt for dyeing cotton materials. 049763

Claims (5)

6. Reactive dyes according to any one of the claims 1 through 5, where X is chlorine or hydrogen, the appropriate dye to use is chlorine. 7. Reactive dyes according to any one of the claims 1 through 6, where the crosslinking is selectable from NR, NRC=O, C(O)NR, NRSO2 and -SO2NR, where R is H or C1-C4 alkyl, which can be replaced by halogens, the appropriate dyes to use are fluorine or chlorine, hydroxyl, cyano, C1-C4 alkoxy, C2-C5 alkoxycarbonyl, carboxyl, sulfamoyl, sulfo or sulphatone. 8. Reactive dyes according to claim 7, where the crosslinking is NR. 9. Reactive dyes According to claim 7, where R is C1-C4 alkyl or H, the appropriate dye to use is H. 10. The use of any one of the reactive dyes under claims 1 through 9 for the dyeing and printing of cellulose-derived materials such as cotton. 11. The use of any one of the reactive dyes under claims 1 through 9 for the dyeing and printing of wool. 12. The use of any one of the reactive dyes under claims 1 through 9 for the dyeing and printing of polyamides such as nylon. 13. The use of any one of the reactive dyes under claims 1 through 9 for the dyeing and printing of silk. 14. The use of any one of the reactive dyes under claims 1 through 9 for the dyeing and printing of keratin such as fur and hair. 15. The use of any one of the reactive dyes under claims 1 through 9 for the dyeing and printing of... and printing of leather. 16. The use of any of the reactive dyes under claims 1 through 9 for dyeing and printing of paper. 17. A mixture of dyes which includes compounds of claims 1 through 9. 18. A mixture of dyes under claim 17 in which the mixture is in the form of a solid mixture and also contains an acid buffer. 19. A mixture of dyes under claim 17 in which the mixture is in the form of a solid mixture and also contains water and an acid buffer. 20. A mixture of dyes according to claim 17, in which the mixture is in paste form and also contains water, a thickener, and an acidic buffer. 21. A mixture of dyes according to any one of claim 17, 19, or 20, in which the mixture has a pH of approximately 5 or less, from approximately pH 2 to approximately pH 4, or from approximately pH 2 to approximately pH 3. 22. (21 claims, 7 pages, 0 figures) 1. A reactive dye compound with the formula (I): (chemical formula) where: D is the chromophore group, L is the linkage, Q is the quaternist derivative, nitrogen, X and Y can be chosen independently of chlorine, bromine, fluorine or hydrogen, A can be chosen from the halogens that should be used, chlorine or fluorine, provided that at least one of X and Y is fluorine, A can be chosen from the halogens that should be used, chlorine or fluorine and their salts and esters. 2. A reactive dye compound according to claim 1, which has the formula (II): (chemical formula) in which Q, A, D, L, Y and X are as specified above. 3. A reactive dye compound according to claim 1 or 2, which Q can choose from: (chemical formula) where R" is a C1-C4 alkyl and n is an integer from 1 to 4. 4. Any reactive dye under claims 1 through 3 which Q may choose from nicotinate, isonicotinate, DABCO, and dimethylaminobetaine. 5. A reactive dye according to any one of Claims 1 through 4, where Q is nidotinate.