摘要:
A bisazo compound of the following formula: ##STR1## wherein R.sup.1 and R.sup.3 are each hydrogen or alkyl; D is phenylene or naphthylene; one of X.sup.1 and X.sup.2 is NH.sub.2 and the other is OH; Z.sup.1 and Z.sup.2 are each --CH.dbd.CH.sub.2 or --CH.dbd.CH.sub.2 Z' in which Z' is a splittable group; B is monosulfophenylene, monosulfophenylene-methylene or mono- or di-sulfonaphthylene-methylene; U is phenylene or an aliphatic bridging group; and J is an amono-derivative group or, J may be alkoxy when X.sup.1 is OH and U is phenylene, and J may be alkoxy or phenoxy when X.sup.1 is OH and U is the aliphatic bridging group. This compound is useful for dyeing or printing fiber materials and gives a dyed or printed product having a color superior in various fastness properties with superior build-up property.
摘要:
A dye-containing polarizing film which comprises at least one dye selected from:dye represented by the following formula(1):Q1--N.dbd.N--Q2--X--Q3--N.dbd.N--Q4 (1)wherein Q1 and Q4 are phenyl or naphthyl group, Q2 and Q3 are phenylen group, X is azo or azoxy, and dye represented by the following formula(2): ##STR1## wherein Me is a transition metal selected from copper, nickel, zinc and iron, Q5 and Q6 are 1-naphthol or 2-naphthol residue, Y is azo or azoxy, R1 and R2 are hydrogen, lower alkyl, lower alkoxy or sulfo. The polarizing film exhibits polarizing activities not smaller than those of a iodine containing polarizing film, has excellent durability and does not cause light to break through the film by using several types of the specific dye in combination.
摘要:
A monoazo compound represented by the following formula in a free acid form, ##STR1## wherein R is hydrogen or unsubstituted or substituted C.sub.1 to C.sub.4 alkyl, X is unsubstituted or substituted phentyl or naphthyl, Y is unsubstituted or substituted phenylene or naphthylene, Z is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z.sub.1, in which Z.sub.1 is a splittable group by the action of an alkali, and R.sub.1 and R.sub.2 are independently hydrogen or unsubstituted or substituted C.sub.1 to C.sub.4 alkyl, phenyl or benzyl, excepting the case where R.sub.1 and R.sub.2 are hydrogen, which is useful as reactive dyes of high solubility and good build-up property for giving dyed or printed products of a deep red color excellent in fastness properties.
摘要:
A dioxazine compound represented by the following formula (I) in the free acid form, ##STR1## wherein V is a direct linkage or ##STR2## in which R.sub.3 is hydrogen or unsubstituted or substituted alkyl, and X is a direct linkage or an aliphatic, araliphatic or aromatic bridging group, provided that X stands for the bridging group as defined hereinabove when V is ##STR3## Y is unsubstituted or substituted phenylene, or unsubstituted or substituted naphthylene, Z is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z.sub.1 in which Z.sub.1 is a group capable of being split by the action of an alkali, Q is sulfo, hydroxy, halo, alkoxy, unsubstituted or substituted phenoxy or unsubstituted or substituted amino, and R.sub.1 and R.sub.2 independently of one another are each hydrogen or unsubstituted or substituted alkyl, which is useful for dyeing or printing fiber materials to give a dyed or printed product of a blue color superior in fastness properties, particularly those such as chlorine fastness, with superior build-up property.
摘要:
2,4-Dichloro-3-alkyl-6-nitrophenol, which is a precursor of 2,4-dichloro-3-alkyl-6-aminophenol useful for the production of a cyan coupler to be used with a sensitive material in the field of a photography in color, is industrially advantageously produced by (a) nitration of 2,4,5-trichloro-3-alkylbenzene, followed by hydrolysis of the resulting 2,4,5-trichloro-3-alkyl-6-nitrobenzene, or (b) hydrolysis of 2,4,5-trichloro-3-alkylbenzene-6-sulfonic acid or a salt thereof, followed by nitration of the resulting 2,4-dichloro-3-alkylphenol-6-sulfonic acid or a salt thereof, the starting material usable for these processes being 4-alkylbenzenesulfonic acid or a salt thereof, which is easily available.
摘要:
A compound of the following formula in the free acid form, ##STR1## wherein and R and R.sub.1 are each hydrogen or alkyl, A is a divalent group of the formula, ##STR2## wherein R.sub.3, R.sub.4 and R.sub.5 are each hydrogen, methyl, ethyl, methoxy or ethoxy, m is 0 or 1, n, u and v are each 0, 1 or 2, p is 0, 1, 2 or 3, q and s are each an integer of 2 to 6, and r is 1 or 2, B.sub.1 is phenylene or naphthylene, Z.sub.1 is vinyl, .beta.-sulfatoethyl or the like, l is 0, 1 or 2, and X is a group of the formula, ##STR3## wherein R.sub.2 is hydrogen or alkyl, B.sub.2 is phenylene or naphtylene, Z.sub.2 is vinyl, .beta.-sulfatoethyl or the like, R.sub.6 and R.sub.7 are each hydrogen, alkyl, phenyl, naphthyl or benzyl, and R, A and l are as defined above, which is useful for dyeing or printing fiber materials to give a dyed or printed product of a brilliant blue color superior in fastness properties such as light fastness and perspiration-light fastness, with superior build-up property.
摘要:
Anthrapyridone compounds of the formula, ##STR1## wherein R.sub.1 is hydrogen, benzoyl, acetyl or alkyloxycarbonyl, R.sub.2 is hydrogen or alkyl, R.sub.3 is hydrogen, halogen, sulfo, phenoxy, phenylthio or alkoxy, R.sub.4 is hydrogen, halogen or sulfo, R.sub.5 and R.sub.6 are each hydrogen or alkyl, V is --O--, --S-- or ##STR2## in which R.sub.7 is hydrogen, acetyl or alkyl, B is phenylene or naphthylene, D is vinyl or --CH.sub.2 CH.sub.2 L such as --CH.sub.2 CH.sub.2 OSO.sub.3 H, A is a divalent group, and X is halogen, quaternary ammonium, pyridinio, amino or a ##STR3## like group, which are useful for dyeing or printing fiber materials with superior dyeing performance.
摘要:
A monoazo compound of the following formula, ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are independently hydrogen or alkyl, R.sub.4 is alkyl or carboxy, A is ##STR2## in which R.sub.5 is hydrogen, methyl, methoxy, ethoxy, sulfo or carboxy, X is hydrogen or sulfo, n is 0 or 1, and the asterisked linkage bonds to the azo group, B.sub.1 and B.sub.2 are independently phenylene or naphthylene, W is hydrogen, carbamoyl, sulfoalkyl, cyano, sulfo, chloro or bromo, and Y.sub.1 and Y.sub.2 are independently --CH.dbd.CH.sub.2, --CH.sub.2 CH.sub.2 OSO.sub.3 H or the like, which is useful for dyeing hydroxy group- or carbonamide group-containing materials in a deep yellow color excellent in various fastness properties such as light fastness, perspiration-light fastness and chlorine fastness.
摘要:
A monoazo compound, or a salt thereof, of the formula, ##STR1## wherein W is a hydrogen atom or a carbamoyl group, R.sub.1 is a lower alkyl group, R.sub.2 and R.sub.3 are independently a hydrogen atom or a lower alkyl group, A is an unsubstituted or substituted phenylene or naphthylene group, Y is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z, in which Z is a group capable of being split by the action of an alkali, and X is an aromatic or aliphatic group substituted with one or two members selected from sulfonic acid group and carboxylic acid group, which is useful for dyeing fiber materials to give dyed products of a characteristic yellow color excellent in various fastness properties.
摘要:
A compound, or a salt thereof, represented by the formula, ##STR1## wherein X is a halogen atom, Y is a group of --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z (in which Z is a group capable of being split by the action of an alkali), A is an unsubstituted or substituted phenylene or naphthylene group, B is a cycloalkylene group of the formula, ##STR2## an arylene group of the formula, ##STR3## or an alkylene of the formula --(CH.sub.2).sub.1 --, (in which R.sub.3 and R.sub.4 are independently a hydrogen atom or a methyl, ethyl or methoxy group, n is 0, 1 or 2 and 1 is an integer of 2 to 6), R.sub.1 and R.sub.2 are independently a hydrogen atom or an unsubstituted or substituted lower alkyl group, and m is 0, 1 or 2, provided that the group Y is located at m- or p-position to the group ##STR4## when B is the arylene group, which is useful for dyeing fiber materials, particularly cellulose fiber materials, in a blue color having excellent fastness, with excellent build-up and level-dyeing properties.