摘要:
Dyestuffs of the formula (I) ##STR1## wherein R.sup.1 and R.sup.4 independently of one another represent an acyl radical, R.sup.2 and R.sup.3 independently of one another represent hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl, X represents a bridge member which is not fibre-reactive and n and m independently of one another represent 1 or 2, are outstandingly suitable for dyeing and printing substrates containing hydroxyl and/or amide groups, in particular for printing paper by the ink-jet method.
摘要:
New azo dyestuffs of the formula (I) ##STR1## wherein n in each case independently of one another represents 0 or 1,a, b and c independently of one another denote 1 or 2,a+c
摘要翻译:式(I)的新偶氮染料其中n在每种情况下彼此独立地表示0或1,a,b和c彼此独立地表示1或2,a + c <4,a + b + c = 3或5,X和Y表示不同的一价或二价基团,其制备方法及其用于染色和印刷含纤维素纤维材料,特别是通过喷墨方法的纸张的使用具有 被发现。
摘要:
Novel dyestuffs of the formula (I) ##STR1## in which DK denotes a radical of the formula ##STR2## where m is 1 or 2 and DK' denotes a radical of the formula ##STR3## where n is 1 or 2 R.sub.1 represents hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkyl,R.sub.2 represents hydrogen, substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy,R.sub.3 represents substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -acylamino andR.sub.4 represents substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl.have now been found.The invention also relates to a process for their preparation and to their use for dyeing/coloring and printing textiles and paper, in particular in printing inks containing these dyestuffs.
摘要:
The new basic azo dyestuffs of the formula ##STR1## wherein the symbols have the meaning given in the description, are suitable for dyeing synthetic and naturally occurring substrates which can be dyed with basic dyestuffs.
摘要:
The new dyestuffs of the formula (I) ##STR1## wherein the substituents R and R.sup.1 and the index n have the meaning given in the description, are outstandingly suitable for dyeing and printing cellulose-containing materials, in particular for the preparation of recording liquids for ink jet recording systems.
摘要:
A process has been found for dyeing and printing pater, wood, plastic or metal, in which dyestuffs which, in the form of the free acid, correspond to the formula (I) ##STR1## wherein A denotes a phenol radical which is optionally substituted by alkyl or cycloalkyl andn represents 0 or 1,are employed.
摘要:
The invention relates to a process for preparing alkoxy-substituted, metal-containing phthalocyanines of the formula (I) where R is substituted or unsubstituted alkyl or cycloalkyl, M is a divalent metal atom, metaloxy or a trivalent or tetravalent substituted metal atom, characterized in that the phthalonitrile of the formula (II) is reacted in the presence of a metal salt and a base in a water-miscible solvent.
摘要:
Optical data carrier comprising a preferably transparent substrate which may, if desired, have previously been coated with one or more reflection layers and to whose surface a light-writeable information layer, if desired one or more reflection layers and if desired a protective layer or a further substrate or a covering layer have been applied, which can be written on and read by means of blue, red or infrared light, preferably laser light, where the information layer comprises a light-absorbent compound and, if desired, a binder, characterized in that at least one azo metal dye is used as light-absorbent compound.
摘要:
Optical data carriers having at least one information layer which comprises a polymeric network comprising covalently bound light-absorbent compounds.
摘要:
The present invention relates to a process for the production of cyanine dyes with their methine chain showing group (M) and the charge compensation occuring by linked end groups through transformation of cationic cyanine dyes comprising group (D) with CH-acid compounds of the following formula (I) B.sub.1 --CH.sub.2 --B.sub.2 in an inert solvent, the substituents having the significance given in the description. ##STR1##