摘要:
Mixtures have been found comprising at least one red dye of the formula (I), (C) or (CI) and at least one orange dye of the formula (L), (LI), (LII), (LIII), (LIV) or (LV) where the substituents have the definition in the description, these mixtures being suitable more particularly for the mass colouring of plastics.
摘要:
Vat dyestuffs containing at least 80% by weight of one or more of the compounds of the formula ##STR1## wherein A and B independently of one another represent --NHV, --NHW or --NHZ,in whichV represents a radical of the formula ##STR2## W represents a radical of the formula ##STR3## and Z represents a radical of the formula ##STR4## R.sub.1 and R.sub.2 denote hydrogen or acylamino, but do not simultaneously denote acylamino,Hal denotes a halogen atom andn denotes the numbers 0, 1 or 2,yield deep and light-fast dyeings on cellulose fibres.They are advantageously obtained by the stepwise condensation of cyanuric chloride with corresponding aminoanthraquinones in the presence of a phenol.
摘要:
The present invention relates to a process for the preparation of vat dyes of the formula ##STR1## in which A is a vattable radical, X is an acyl radical and Y' is a halogen atom, an amino group or an aryloxy group, which comprises acylating compounds of the formula ##STR2## in which A is as defined under formula (1) and Y is a halogen atom, with an acylating agent which contains the acyl radical X, and, if desired, subjecting the compounds of the formula (2), before or after acylation, to a condensation reaction with an amine or an aromatic hydroxy compound.
摘要:
DYESTUFFS WHEREIN A SIX-MEMBERED HETEROCYCLIC RING CONTAINING THREE NITROGEN ATOMS AS RING MEMBERS IS BOUND TO TWO VATTABLE CHROMOPHORES FREE FROM AULPHONIC ACID GROUPS TO EACH THROUGH AN -NH-BRIDGE, AND THROUGH AN-O-OR-NH-BRIDGE TO A NON-METALLIZABLE AZO DYESTUFF RESIDUE, ARE VALUABLE VAT DYESTUFS WITH EXCELLENT PROPERTIES OF WET FASTNESS AND SURPRISING PROPERTIES IN RESPECT OF APPLICATION.
摘要:
NEW WATER-SOLUBLE VAT DYESTUFFS CONTAINING ARYLOXY-OR ARYLMERCAPTO GROUPS AND TWO ANTHRAQUINONE RADICALS OR A VATTABLE CHROMOPHOR CONTAINING AT LEAST 4 FUSED RINGS.
摘要:
Anthraquinone dyes I ##STR1## (Ar = aryl, A = anthraquinonyl) are prepared by reacting a aryldihalotriazine II ##STR2## (Hal = chlorine or bromine) with an aminoanthraquinone IIIA--NH.sub.2in an N--C.sub.1 --C.sub.4 -alkylpyrrolid-2-one or -piperid-2-one, N-di-C.sub.1 -C.sub.4 -alkylacetamide or -propionamide or urea derivatives of the formula IV ##STR3## (R = identical or different alkyl groups of from 1 to 4 carbon atoms which can also be linked together to form a 5- or 6-membered ring containing the urea group) as solvent.
摘要:
The invention relates to vattable 2-aryl-4,6-diaminopyrimidines of formula ##STR1## wherein A.sub.1 and A.sub.2 are identical or different vattable radicals, andAr is an aryl radical.These pyrimidines are particularly suitable vat dyes for dyeing or printing textile fibres made from natural or regenerated cellulose. They give light- and wetfast orange, red or violet dyeings.
摘要:
Vat dyestuffs of the formula ##EQU1## wherein R.sub.1 and R.sub.2 each represent a hydrogen atom or a low molecular alkyl radical and A.sub.1 and A.sub.2 represent a different or similar vattable radical with 3 to 6 condensed rings, are suitable for dyeing and printing the most varied materials, in particular for dyeing and printing fibres made from natural or regenerated cellulose in the presence of a reducing agent.