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US 7,598,357 B1Granted
Bis-reactive dye with n,n-dialkylamino bridge group
AssigneeEverlight USA, Inc.
InventorsWen-Jang Chen, Hong-Chang Huang, Ya-Cing Yu
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Abstract
The present invention relates to a novel bis-reactive dye with N,N-dialkylamino bridge group, represented by the following formula (I): wherein E1, E2, R, R1, R2, R3, R4, R5, R6, G, G′, B, B′, X, m, and n are defined the same as the specification. The bis-reactive dye of the present invention is suitable for exhaust dyeing, cold pad batch, continuous dyeing, printing and digital spray printing materials that contain hydroxyl group or polyamine fibers.
Claims18
A bis-reactive dye with N,N-dialkylamino bridge group of the following formula (I):
- wherein
- E1, and E2 each independently are selected from the group consisting of substituted or unsubstituted benzene component, substituted or unsubstituted naphthalene component, and substituted or unsubstituted monoazo component;
- R is hydrogen, C1-4 alkyl, C1-4 alkylcarbonyl, phenyl, nitroso, or C1-4 alkyl substituted with halogen, hydroxyl, carboxyl or sulfo;
- (R1)0-3, and (R2)0-3 each independently are 0 to 3 identical or different groups, and each of R1, and R2 is independently selected from the group consisting of hydrogen, halogen, hydroxyl, carboxyl, sulfo, nitro, cyano, C1-4 alkyl, C1-4 alkoxy, ureido, and amido;
- R3, and R4 each independently are hydrogen or C1-4 alkyl;
- R5, and R6 each independently are hydrogen, C1-4 alkyl, or phenyl;
- G, and G′ each independently are selected from the group consisting of hydrogen,
- Q, and substituted or unsubstituted C1-4 alkyl;
- (R7)0-3 is 0 to 3 identical or different groups, and each of R7 is independently selected from the group consisting of hydrogen, halogen, hydroxyl, carboxyl, sulfo, nitro, cyano, C1-4 alkyl, C1-4 alkoxy, ureido, and amido;
- B, and B′ each independently are selected from the group consisting of a direct bond, —SO2—, and —CONH—(CH2)k—SO2—;
- k is an integer of 1, 2, 3, 4, 5, or 6;
- Q is selected from the group consisting of —SO2—U, —CONH—(CH2)d—SO2—U, —O—(CH2)r—CONH—(CH2)d—SO2—U, β-thiosulfatoethylsulfonyl, —R′—SO2—U, and —R′—U′;
- R′ is C1-4 alkyl or phenyl;
- d, and r each independently are an integer of 2, 3, or 4;
- U is —CH2CH2W, or —CH═CH2;
- W is —Cl, —OSO3H, —OPO3H, quaternary ammonium, pyridine, carboxypyridinium, methylpyridinium, carbonamidopyridinium, or
- R8, and R9 each independently are hydrogen, or C1-4 alkyl;
- U′ is α,β-halopropionyl, α-halopropionyl, β-halopropionyl, or α-haloacrylol;
- X is halogen;
- m, and n each independently are an integer of 2, 3, or 4;
- and the ring with the dashed lines represents an optional fused benzene ring.
18 more elements
Dependencies are inferred from the claim text.