摘要:
In a process known per se for the preparation of white patterns or patterns of various colors on a colored substrate on textile materials comprising hydrophobic synthetic fibres or on textile materials based on mixed fibres composed of polyester and cellulose comprising discharge printing wherein a discharge reserving agent based on an alkali or on sulphites, the improvement which comprises employing as the dischargeable disperse dyestuffs having the formula I ##STR1## in which R and K have the meanings given in claim 1.
摘要:
Monoazo dyestuffs, free of carboxylic acid moieties or sulphonic acid moieties, of the formula ##STR1## wherein A and A' independently of one another are linear or branched alkylene having 2 to 6 carbon atoms;R is hydrogen, alkyl having 1 to 4 carbon atoms, cycloalkyl having 5 or 6 carbon atoms, alkenyl having 3 to 5 carbon atoms, phenyl, benzyl, phenethyl, alkylcarbonyl having 1 to 4 atoms or benzoyl;m is a number from 1 to 5 and n is a number from 0 to 1.
摘要:
Monoazodyestuffs free from water solubilizing moieties and which are useful in dyeing and printing polyester materials, mixtures of polyesters with natural materials or cellulose triacetate materials have the formula ##STR1## wherein X.sup.1 is nitro, cyano or methylsulphonyl and R.sup.1 is of the formula ##STR2## wherein Y.sup.1 is hydrogen, methyl or ethyl; Y.sup.2 is hydrogen, hydroxyl, alkanoyloxy having 1 to 4 carbon atoms in the alkanoyl moiety, or alkoxycarbonyloxy having 1 to 4 carbon atoms in the alkyl moiety, and said alkanoyloxy and said alkoxycarbonyloxy are each unsubstituted or substituted by alkoxy having 1 to 4 carbon atoms or phenoxy;Z is hydrogen, phenyl, cyano, hydroxyl, phenoxy, phenoxy substituted by alkyl having 1 to 4 carbon atoms, phenoxy substituted by alkoxy having 1 to 4 carbon atoms, halogen substituted phenoxy, alkoxycarbonyl having 1 to 4 carbon atoms in the alkoxy, alkoxycarbonyl having 1 to 4 alkoxy carbon atoms substituted by hydroxyl, alkoxycarbonyl having 1 to 4 carbon atoms in the alkoxy moiety substituted by alkoxy having 1 to 4 carbon atoms, phenoxy substituted alkoxycarbonyl having 1 to 4 alkoxy carbon atoms, phenyl substituted alkoxycarbonyl having 1 to 4 alkoxy carbon atoms, alkoxy having 1 to 4 carbon atoms, hydroxy substituted alkoxy having 1 to 4 carbon atoms, cyano substituted alkoxy having 1 to 4 alkoxy carbon atoms, alkoxy of 1 to 4 carbon atoms substituted by alkoxy having 1 to 4 carbon atoms, alkanoyloxy having 1 to 4 carbon atoms, phenoxy alkanoyloxy having 1 to 4 alkanoyl carbon atoms, alkanoyloxy having 1 to 4 carbon atoms substituted by alkoxy having 1 to 4 carbon atoms, alkoxycarbonyloxy having 1 to 4 carbon atoms in the alkyl moiety, alkoxycarbonyloxy having 1 to 4 alkyl carbon atoms substituted by alkoxy having 1 to 4 carbon atoms or phenoxy substituted alkoxycarbonyloxy having 1 to 4 alkyl carbon atoms;R.sup.2 is hydrogen, alkyl having 1 to 4 carbon atoms or alkoxy having 1 to 4 carbon atoms; andm is a number from 0 to 2.
摘要:
Water-insoluble azo dyestuffs, their manufacture and use, which have the formula ##STR1## wherein D is a substituted phenyl or heterocyclic moiety which are free from ionic substituents and R.sup.1 is methyl or ethyl.
摘要:
An azo dyestuff of the formula ##STR1## wherein R is linear alkyl having 2 to 4 carbon atoms and R' is linear alkyl having 3 to 5 carbon atoms and isopropyl.
摘要:
Water-insoluble azo dyestuffs suitable for dyeing and printing synthetic hydrophobic fiber materials are produced by azo coupling and have the formula ##STR1## wherein D is free from ionic moieties and is an unsubstituted or substituted phenyl, thiazole, isothiazole, benzthiazole, thiadiazole, benzisothiazole or thiophene moiety;A is alkylene having 2 to 6 carbon atoms which is unsubstituted or substituted by --OH;B is hydrogen, alkyl having 1 to 4 carbon atoms, hydroxyalkyl having 2 to 4 carbon atoms, alkoxyalkyl having 1 to 4 carbon atoms in the alkoxy moiety and a total of 3 to 8 carbon atoms, alkanoyloxyalkyl having 2 to 6 carbon atoms in the alkanoyl moiety and a total of 3 to 8 carbon atoms, hydroxypolyoxyalkylene having 4 to 12 carbon atoms, alkoxypolyoxyalkylene having 1 to 4 carbon atoms in the alkoxy moiety and a total of 5 to 16 carbon atoms, alkanoyloxypolyoxyalkylene having 2 to 5 carbon atoms in the alkanoyl moiety and a total of 5 to 16 carbon atoms, alkanoyl having 2 to 6 carbon atoms or benzoyl;R.sup.1 is hydrogen, methyl or chlorine;R.sup.2 is hydrogen, halogen, alkyl having 1 to 4 carbon atoms or alkoxy having 1 to 4 carbon atoms;and R.sup.3 is hydrogen or alkoxy having 1 to 8 carbon atoms.