摘要:
Compounds of the general formula IA--B--A (I)where A is a radical of the formula ##STR1## and B is a bridge member of the formula ##STR2## and where R.sup.1 and R.sup.2 independently of one another are unsubstituted or hydroxy-, C.sub.1 -C.sub.4 -alkoxy-, cyano-, C.sub.1 -C.sub.4 -alkoxycarbonyl-, di-C.sub.1 -C.sub.4 -alkylamino-, chlorine- or bromine-substituted C.sub.1 -C.sub.4 -alkyl, cyclohexyl, benzyl, phenylethyl or phenyl, orR.sup.1 and R.sup.2 together with the nitrogen are morpholino, pyrrolidino, piperidino or N-methylpiperazino,R.sup.3 is hydrogen, chlorine, bromine, methyl, ethyl, methoxy, ethoxy or nitro,R.sup.4 and R.sup.5 independently of one another are hydrogen, C.sub.1 -C.sub.4 -alkyl or benzyl,X is oxygen or imino andalkylene is of 2 to 6 carbon atoms and is linear or branched.The compounds of the formula I are particularly suitable for coloring paper pulps.
摘要:
Compounds of the general formulaA.sup.1 .dbd.CH--B--CH.dbd.A.sup.2where A.sup.1 and A.sup.2 are the radical of a quaternized methylene-active compound and B is a bridge member.The compounds according to the invention are very suitable for coloring ligneous and lignin-free paper stock.
摘要:
A benzofuran compound of the formula ##SPC1##Where X.sup.- denotes HSO.sub.4.sup.- , CH.sub.3 SO.sub.4.sup.- , Cl.sup.-, Br.sup.-, 1/2 2ZnCl.sub. 4.sup.-.sup.- or CH.sub.3 COO.sup.-. The said compounds are dyes for synthetic textile material.
摘要:
Natural and synthetic polyamides are dyed with the betaines of 1:1 chromium complexes of sulfo-containing azo or azomethine dyes from an aqueous liquor.
摘要:
Mixtures of two or more cobalt 1:2 complexes of azo dyes of the formula I ##STR1## where R is ##STR2## where R.sup.1 is hydrogen, C.sub.1 -C.sub.18 -alkyl, or hydroxyalkyl or alkoxyalkyl which may be interrupted by oxygen, and X and Y are hydrogen, fluorine, chlorine, bromine, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy.The mixtures according to the invention are particularly useful for dyeing leather.
摘要:
Metal complex compounds which in the form of the free acids correspond to the formula I ##STR1## where A is an aliphatic, carbocyclic or heterocyclic radical,E is an aliphatic or carbocyclic radical,B is a cyano, acyl, substituted sulfonyl, carboxylic acid ester or carboxamide radical, orB and E together with the carbon atoms by which they are linked may be an alicyclic or heterocyclic radical,F is an aliphatic, carbocylic or heterocyclic radical,L is --O--, --COO--, ##STR2## n is 1, 2, 3 or 4, Y is .dbd.CH-- or .dbd.N-- andZ is ##STR3## or the radical of a coupling component, alkyl being of 1 to 4 carbon atoms, andR is hydrogen or unsubstituted or substituted alkyl, cycloalkyl, aryl or acyl and R.sup.1 and R.sup.2 are substituents conventionally present in dyes.The compounds of the formula I give fast dyeings on natural polyamides and synthetic nylons.
摘要:
Compounds which in the form of the free acids correspond to the formula ##STR1## where A is a radical of a diazo component or of an amine,B is a radical of a coupling component or of an aldehyde,R.sup.1 is chlorine or bromine,R.sup.2 is methoxy or ethoxy,X is .dbd.N-- or .dbd.CH--,Y is --O-- or --COO-- andZ is --O-- or --NH--,are dyes which are very suitable for dyeing nylons and natural polyamides.
摘要:
Methine dyes of the general formula ##STR1## where the groups A are identical or different aryl or hetaryl, A.sup..crclbar. is an anion, R is hydrogen, methyl or ethyl and X is a bridge member, and the methine groups are in the .alpha.- or .gamma.-position. The compounds are preferably used for dyeing paper.
摘要:
Paper dyed with compounds of the general formula I ##STR1## where R.sup.1 is unsubstituted or substituted alkyl, T is hydrogen or alkyl, A.sup..theta. is an anion, n is 1, 2 or 3 and X is an aminoaryl radical which may or may not possess further substituents, and where the benzene nucleus a may be substituted by alkyl, hydroxy, alkoxy, chlorine, bromine, amino, alkylamino, dialkylamino, alkanoylamino or nitro. The compounds of the formula I dye paper in brilliant yellow shades. They are also suitable for dyeing materials containing anionic groups.
摘要:
Basic dyes of the naphtholactam series substituted by an arylmercapto radical. The dyes are eminently suitable for dyeing anionically modified fibers, particularly acrylonitrile polymers, and give blue to blue green shades of excellent fastness properties.