摘要:
A novel colorant compound is provided which is the addition product of an organic chromophore having at least one reactive hydroxyl or amine substituent, a polyisocyanate, and a carboxylic acid, sulfonic acid, or salt of either thereof. The polyisocyanate, added in a molar excess relative to the number of such reactive substituents, reacts with the reactive hydroxyl or amine groups to provide terminal isocyanate groups. Subsequently, the carboxylic acid or salt thereof, also added in an amount excessive in relation to the number of terminal isocyanate groups, reacts therewith to form urethane moieties on the colorant. Such a compound provides excellent ink compositions upon dilution and are very soluble within all the standard ink diluents. Furthermore, such colorants provide good jettability, waterfastness, washfastness, and the like, within ink-jet applications on various types of printing substrates. A method for producing such a colorant and specifically printed substrates colored therewith is also provided.
摘要:
Verfahren zum Färben von Kondensationsprodukten, die erhältlich sind durch Kondensation eines Gemisches, enthaltend unsubstituiertes Melamin, substituiertes Melamin und Hydroxyphenylverbindungen, mit Formaldehyd oder formaldehydliefernden Verbindungen, in Form von Fasern, Garnen, Zwirnen, Maschenware, Webware oder Non-wovens in wäßriger Flotte mit einem oder mehreren Farbstoffen aus der Klasse der Azo-, Anthrachinon-, Cumarin-, Methin- oder Azamethin-, Chinophthalon- oder Nitrofarbstoffe.
摘要:
Disclosed is a method for brightening textile materials by treating said materials with optical brighteners in an aqueous bath. The inventive method is characterized by the fact that 20 to 80 percent by weight of compound (I) are used as optical brighteners, the percentage by weight being in relation to the total of all brightening compounds and up to 40 molar percent of (I) being in the form of cis isomer, 80 to 20 percent by weight of at least one compound (II), selected among (II m, p'), (II p, o'), (II o, o'), (II p, p'), and 0 to 30 percent by weight of a compound of general formula (III), in which R is selected among C4-C10 alkyl. The treatment is done in the presence of one or several shading blue or purple dyes from the class of anthrachinones, azo dyes, or methine dyes.
摘要:
Verfahren zum Färben von Kondensationsprodukten, die erhältlich sind durch Kondensation eines Gemisches, enthaltend unsubstituiertes Melamin, substituiertes Melamin und Hydroxyphenylverbindungen, mit Formaldehyd oder formaldehydliefernden Verbindungen, in Form von Fasern, Garnen, Zwirnen, Maschenware, Webware oder Non-wovens in wäßriger Flotte mit einem oder mehreren Farbstoffen aus der Klasse der Azo-, Anthrachinon-, Cumarin-, Methin- oder Azamethin-, Chinophthalon- oder Nitrofarbstoffe.
摘要:
A novel colorant compound is provided which is the addition product of an organic chromophore having at least one reactive hydroxyl or amine substituent, a polyisocyanate, and a carboxylic acid, sulfonic acid, or salt of either thereof. The polyisocyanate, added in a molar excess relative to the number of such reactive substituents, reacts with the reactive hydroxyl or amine groups to provide terminal isocyanate groups. Subsequently, the carboxylic acid or salt thereof, also added in an amount excessive in relation to the number of terminal isocyanate groups, reacts therewith to form urethane moieties on the colorant. Such a compound provides excellent ink compositions upon dilution and are very soluble within all the standard ink diluents. Furthermore, such colorants provide good jettability, waterfastness, washfastness, and the like, within ink-jet applications on various types of printing substrates. A method for producing such a colorant and specifically printed substrates colored therewith is also provided.
摘要:
Die Schwermetallkomplexfarbstoffe von Azo- oder Azomethinfarbstoffen der Formel worin D der Rest einer Diazokomponente der Benzol-, Naphthalin- oder heterocylischen Reihe ist, K-OH der Rest der Formel ist, worin die Symbole A, Aʹ, B und Bʹ je ein Kohlenstoffatom bedeuten oder worin eines der Symbole A, Aʹ, B oder Bʹ ein Stickstoffatom und die übrigen ein Kohlenstoffatom bedeuten, R Wasserstoff, gegebenenfalls substituiertes C₁-C₄-Alkyl oder gegebenenfalls substituiertes Phenyl ist und der Ring E noch weiter substituiert sein kann, Y ein Stickstoffatom oder eine CH-Gruppe und n=0 oder 1 ist, und worin -(CO) OH in Nachbarstellung zu -N=Y-an D gebunden ist, ergeben auf stickstoffgruppenhaltigen oder hydroxylgruppenhaltigen Fasermaterialien Färbungen von guten Echtheiten.