Abstract:
The invention relates to mixtures of fiber-reactive Triphendioxazine dyes with other fiber-reactive azo dyes and their use for the dyeing of hydroxyl- and especially carboxamide-containing material in blue and navy shades.
Abstract:
Methods for synthesis of thermoelectric materials are disclosed. In some embodiments, a method of fabricating a thermoelectric material includes generating a plurality of nanoparticles from a starting material comprising one or more chalcogens and one or more transition metals; and consolidating the nanoparticles under elevated pressure and temperature, wherein the nanoparticles are heated and cooled at a controlled rate.
Abstract:
The invention relates to novel triphendioxazine pigments of formula (I) wherein X represents hydrogen or chlorine, while R1 represents phenyl substituted by one to five radicals from the group comprising C1-C4-alkyl, halogen, C1-C4-alkoxy, acetylamino, aminocarbonyl, methylaminocarbonyl and C1-C4-alkoxycarbonyl, or phenyl annelated in the 2,3- or 3,4- with a divalent radical of the formula —NH—(CO)m—NR2—, —CR2═CH—CO—NH—, —CR2═N—CO—NH—, —CO—NH—CO—NR2—, —CO—(NH)m—CO— or —O—(CO)m—NH— so as to form a five- or six-membered ring, R2 representing hydrogen, methyl, ethyl or phenyl and m representing 1 or 2.
Abstract:
An object of the present invention is to obtain color filters having a high contrast, a high color purity and an improved transmittance for blue color, and a display using the color filters. In the present invention, there is used a colored composition for color filter comprising at least one coloring agent, a base polymer and at least one solvent, said base polymer containing a polyamicacid whose light transmittance decreases by 2% or less in the visible region (wavelength: 400 nm to 800 nm).
Abstract:
The invention relates to triphendioxazine compounds of the formula (I) ##STR1## where the rings marked with A comprise, independently of one another, rings which are fused linearly in positions 2,3 and 9,10 or angularly in positions 1,2 and 8,9 or 3,4 and 10,11 and have the radical members of the formula (i) --NR.sub.1 (CO).sub.m --NH--, (ii) --CR.sub.1 .dbd.CH--CO--NH--, (iii) --O--CH.sub.2 --CO--NH--, (iv) --CO--CH.dbd.CR.sub.1 --NH--, (v) --CO--NH--CO--NH--, (vi) --CO--NH--CR.sub.2 .dbd.N--, (vii) --CR.sub.2 .dbd.N--CO--NH--, (viii) --NR.sub.1 --(CO).sub.m --O--, (ix) --NH--CR.sub.1 .dbd.N--, (x) --NH--CO--CR.sub.1 .dbd.N--, (xi) --NH--CO--CHR.sub.1 --NH--, (xii) --NR.sub.3 --(CO).sub.m --NR.sub.4 --, (xiii) --NR.sub.5 --(CO).sub.m --NR.sub.6 --, (xiv) --NR.sub.4 --CO--O-- or (xv) --NR.sub.6 --CO--O--,m is 1 or 2,R.sub.1 is hydrogen, C.sub.1-4 alkyl or phenyl, preferably hydrogen, methyl or ethyl,R.sub.2 is hydrogen, C.sub.1-4 alkyl or phenyl, preferably hydrogen, methyl or ethyl,R.sub.3, R.sub.4, R.sub.5 and R.sub.6 independently of one another are hydrogen, a C.sub.1-8 alkyl radical, a substituted or unsubstituted phenyl, benzyl, naphthyl or benzanilide radical, a substituted or unsubstituted C.sub.5-6 cycloalkyl radical or a radical of the formula ##STR2## and the angular molecules in positions 3 and 10 and/or positions 2 and 9 can each carry a C.sub.1-2 alkoxy group,to the process for their preparation and to their use as pigments having high migration and solvent fastness.
Abstract:
The present invention relates to a process for producing a dioxazine compound represented by the formula (1) which comprises carrying out a ring closure reaction of a compound represented by the formula (2) in the presence of a dioxazine derivative of the formula (3), colored materials containing this dioxazine compound, and dioxazine compounds having a plate-like crystal form: ##STR1##
Abstract:
An asymmetric dioxazine compound represented, when shown in free acid form, by the general formula (I): ##STR1## wherein T.sub.1 and T.sub.2 represent a hydrogen atom, a chlorine atom, a bromine atom, a lower alkyl group, a phenoxy group or others, A.sub.1 represents an alkyl group, a chlorine atom, a carboxyl group or others, A.sub.2 represents a hydrogen atom, an alkyl group, a chlorine atom, a carboxyl group or others, R represents a hydrogen atom or a lower alkyl group, X and Y represent a halogen atom, a fiber-reactive group or others, respectively, with the proviso that at least one of X and Y is a fiber-reactive group is provided. The compound is suitable for dyeing or printing of a fiber material or the like which has a hydroxy group and/or an amide group, and provides a blue-dyed product with various fastness, including particularly chlorine fastness.
Abstract:
The present invention relates to a process for producing a dioxazine compound represented by the formula (1) which comprises carrying out a ring closure reaction of a compound represented by the formula (2) in the presence of a dioxazine derivative of the formula (3): ##STR1##
Abstract:
Compounds of formulaA(B).sub.x, (I),whereinx is an integer from 1 to 4,A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, isoindolinone, isoindoline, dioxazine, phthalocyanine or azo series, which radical contains x N-atoms attached to B, preferably with at least one directly adjacent or conjugated carbonyl group,B is a group of formula ##STR1## and, if x is 2, 3 or 4, may also be one, two or three hydrogen atoms. The symbols Q, R.sub.1, R.sub.2, R.sub.3, R.sub.4, X, Y, Z, m and n, are as defined in claim 1. These carbamate group-containing soluble chromophores am distinguished by outstanding solid state fluorescence in the UV range as well as the by ease with which they can be converted to the corresponding pigments in the substrate in which they are incorporated.
Abstract:
Dye mixtures obtainable by condensing a compound of the formula ##STR1## and a compound of the formula ##STR2## with a compound of the formulaT--B--T (9)where the ring substituents are as defined herein, B is a bivalent organic linking group and T is halogen are suitable for use as direct dyes for dyeing and printing a wide range of materials and especially of cellulosic fibre materials, to give dyeings and prints of good allround fastness properties.