摘要:
The invention relates to a process for the preparation of compounds of the formula ##STR1## characterized in that the radical X in sulphones of the formula X--(CH.sub.2 --CH.sub.2 --O).sub.m --(CH.sub.2).sub.n --SO.sub.2 --CH.sub.2 --CH.sub.2 OH (2) is replaced by ##STR2## or a compound of the formula ##STR3## is added to the sulphone of the formula CH.sub.2 .dbd.CH--SO.sub.2 --CH.sub.2 --CH.sub.2 --OH (3), the substituents having the meanings given in the description.
摘要:
The invention relates to a process for the preparation of compounds of the formula ##STR1## characterized in that the radical X in sulphones of the formulaX--(CH.sub.2 --CH.sub.2 --O).sub.m --(CH.sub.2).sub.n --SO.sub.2 --CH.sub.2 --CH.sub.2 OH (2)is replaced by ##STR2## or a compound of the formula ##STR3## is added to the sulphone of the formulaCH.sub.2 =CH--SO.sub.2 --CH.sub.2 --CH.sub.2 --OH (3),the substituents having the meanings given in the description.
摘要:
Reactive dyestuffs of the formula (1) ##STR1## in which D denotes the radical of an organic dyestuff,R, R.sub.1 and R.sub.2, independently of one another, denote hydrogen or substituted or unsubstituted C.sub.1-4 -alkyl,A denotes a substituted or unsubstituted aliphatic, aromatic or aromatic-aliphatic bridging member,X denotes Cl, FPym denotes the radicals ##STR2## n denotes 1 or 2, are suitable in particular for the dyeing of cellulose fibres.
摘要:
Reactive dyestuff mixtures containing one or more monochlorotriazine dyestuffs of the formula (1) ##STR1## and one or more monofluorotriazine dyestuffs of the formula (2) ##STR2## in which the substituents have the meaning given in the description, show on-tone exhaustion onto fibres and are fixed uniformly even under different fixation conditions.
摘要:
Reactive dyestuff of the formula ##STR1## wherein D is a radical of a monaozo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone or nitroaryl organic dyestuff,a process for their preparation and their use for dyeing fiber materials containing OH groups and NH groups have been found.
摘要:
The dyestuffs of the formula ##STR1## in which D is the radical of a diazo component,SO.sub.2 X is the radical of a fibre-reactive group,and the remaining substituents have the meaning given in the descriptionare suitable for dyeing and printing hydroxyl- and amido-containing materials.
摘要:
Reactive dyestuffs of the formula (I) wherein R1 denotes H or unsubstituted or substituted C1-C4-alkyl, R2 denotes C1-C4-alkyl, X denotes F, Cl or Br, Z denotes —CH═CH2 or —CH2CH2—OSO3H, R15 denotes H, C1-C4-alkyl, C1-C4-alkoxy, Cl, Br, acylamino, amino carbonylamino, C1-C4-alkylsulphonylamino or arylsulphonylamino and R18 denotes H, C1-C4-alkyl, C1-C4-alkoxy, OH or SO3H. The invention also relates to a process for the preparation of the reactive dyestuff and their use of dyeing fibre materials containing OH groups and NH groups.
摘要:
Compounds of the formula (I) ##STR1## are prepared by reacting 2-mercaptoethanol with compounds of the general formula (II) ##STR2## the substituents having the definition given in the description.
摘要:
Azo dyestuffs of the formula ##STR1## having the substituent meanings given in the description, are outstandingly suitable for dyeing and printing materials containing hydroxyl groups and amide groups.
摘要:
A circular knitting machine for producing knitted fabrics with combed-in fibers, comprising a needle cylinder, at least one carding device with a comb-in wheel and an extraction device for waste fibers, which produces knitted facbrics of a high quality and requires as little maintenance as possible. The extraction device has at least one extraction nozzle for generating a directional extraction flow.