摘要:
The invention relates to novel dyes of the formula (1) in which D represents a phenyl or naphthalene residue which is substituted by one or two sulphonic Acid or carboxylic acid groups and, optionally, by one or two groups selected from C1-C4alkyl, hydroxyl and nitro, each R1 and R2, independently, represent hydrogen or, a C1-C4alkyl group, R′1 represents hydrogen, hydroxyl, C1-C4alkyl or C1-C4hydroxyalkyl, R3 represents hydrogen, C1-C4alkyl or phenyl, which is unsubstituted or substituted by one or two groups selected from C1-C4alkyl, C1-C4alkoxy, halogen, hydroxyl, —NH2, nitro, —SO3M and —CO2M and M represents hydrogen, an alkaline or alkaline earth metal, ammonium or ammonium that is mono-, di-, tri- or tetrasubstituted by C1-C4alkyl or C2-C4hydroxyalkyl or a polyglycolammonium cation and also known dyes of formula (5), in which D′ represents a phenyl or naphthalene residue which is substituted by one or two sulphonic acid or carboxylic acid groups and, optionally, by one or two groups selected from C1-C4alkyl and C1-C4alkoxy and R3 and M are as defined above, and their mixtures suitable for shading white paper, a process for shading, a process for the preparation of the novel dyes and white paper which has been treated with such shading components.
摘要:
The present invention relates to novel yellow anionic dyes, a process for their preparation, certain novel intermediates necessary for their preparation and the use of these dyes for dyeing natural or synthetic materials, in particular, paper.
摘要:
Dyes of formula (1) as claimed in claim 1 can conveniently be prepared by reacting an anthraquinone compound of formula (2) with a haloformate of formula (3) in an inert organic solvent and in the presence of 1 to 2 moles of a heterocyclic tertiary nitrogen base per mole of compound of formula (2).
摘要:
The present invention relates to a shading process characterized by using a composition comprising a phthalocyanine to which at least one dyestuff is attached through a covalent bonding, to shading compositions, to new compounds used in these shading compositions as well as to the production of these new compounds.
摘要:
The invention relates to an aqueous dye solution comprising a) 5 to 30% by weight of an anionic or cationic direct dye, b) 0.01 to 5% by weight of the compound of formula (1), in which M represents hydrogen, an alkali metal or alkaline earth metal, ammonium or ammonium, that is mono-, di-, tri- or tetra-substituted by C1-C4alkyl or C2-C4hydroxyalkyl or mixtures thereof, c) 0 to 10% by weight of an inorganic or an organic acid, d) 0 to 20% by weight of further additives and e) water to complete to 100%, with the proviso that direct dyes of the formula (2) in which K is a residue of a coupling component of the acetoacetanilide, pyridone, pyrazolone or pyrimidine series and M is as defined above, are excluded, a process for their preparation and the use thereof for dyeing paper.
摘要:
The present invention relates storage stable aqueous dye solutions comprising a) 5 to 30% by weight of a dye of the Formula (1) in which K is a residue of a coupling component of the acetoacetanilide, pyridone, pyrazolone or pyrimidine series and M is hydrogen, an alkali metal or alkaline earth metal, ammonium or alkyl ammonium, b) 0.05 to 5% by weight of one or more compounds of the Formula (2) in which A represents —NR1R2, —NHCOR1, —CN, halogen, —NO2—OH, —OR1, hydrogen, C1,-C4alkyl, C2-C4alkenyl, C2-C4alkynil, —CO2M, —CO2R1 or —CONR1R2, wherein R1 and R2 each, independently of one another, represent hydrogen or C1-C4alkyl and M is as previously defined, or a residue of the Formula (3); X represents O, S or NR1, R1, being as previously defined; Y represents N or CR1, R1 being as previously defined and P, Q and R each, independently of one another, represent hydrogen, C1-C4alkyl, —SO3M, —PO3M, —CO2M, —OH, —NO2 or COR1, M and R′1 being as previously defined, c) an organic or an inorganic base or mixtures thereof, d) if desired, further additives and e) water, a process for their preparation and the use thereof for the dyeing, in particular of paper.
摘要:
The present invention relates to novel yellow anionic dyes, a process for their preparation, certain novel intermediates necessary for their preparation and the use of these dyes for dyeing natural or synthetic materials, in particular, paper.
摘要:
The cationic or basic aminobenzothiazole dyes disclosed herein are particularly suitable for dyeing paper.Paper is dyed with these dyes in blue or violet shades of good fastness properties.
摘要:
Reactive dyes of the formula ##STR1## in which D is the radical of a diazo component of the benzene, naphthalene, azobenzene, naphthylazobenzene, azonaphthalene or phenylazonaphthalene series, K is the radical of a coupling component of the benzene or naphthalene series or of the heterocyclic series, except a pyrazolone radical, R.sub.1 and R.sub.2, independently of each other, are each hydrogen or an unsubstituted or substituted C.sub.1-4 -alkyl radical, and X.sub.1 and X.sub.2, independently of each other, are each unsubstituted or substituted aminofluoro-s-triazinyl, are particularly suitable for dyeing and printing cellulose-containing fibre materials and produce, in high dyeing yield, dyeings and prints having good fastness properties.