摘要:
The invention relates to an optical recording medium comprising a substrate, a reflecting layer and a recording layer, wherein the recording layer comprises a compound of formula preferably a compound of formula or a mesomeric or tautomeric form thereof, wherein Ah+ is an organic cation having h quaternary ammonium or phosphonium groups; Q1 is N or CR15, Q2 is N or CR16, Q3, Q5 and Q7 are each independently of the other CR17R18, O, S or NR19, Q4 is CR13 or N and Q6 is CR14 or N; and one of R1 and R3 is OR17, OR20, SR17, SR20, NR17R18, NR18R20 or NR20R21, and the other of R1 and R3 is O−, S− or N−R22. The compounds of formula (I) and (II) are novel and also claimed, as well as mixtures thereof with metal complexes. The optical recording media are remarkably suitable for DVD±R (658 nm), especially at high recording speeds.
摘要:
The invention accordingly relates to an optical recording medium comprising a substrate, a reflecting layer and a recording layer, wherein the recording layer comprises a compound of formula (I) or a mesomeric or a tautomeric form thereof, wherein M1 is a metal cation in the oxidation state +3, a hydroxy or halogeno metal group wherein the metal is in the oxidation state +4, or an oxo metal group wherein the metal is in the oxidation state +5; (III) and (IV)are each independently of the other (V), (VI) or (VII); (VIII) is (IX), (X), (XI), (XII), (XIII), or (XIV); (XV) is (XVI) or C2-C8heteroaryl unsubstituted or mono- or poly-substituted by R10, R11, R12 and/or R13; Q1 is N or CR18, Q2 is N or CR19, Q3, Q5 and Q7 are each independently of the other CR20R21, O, S or NR22, Q4 is CR16 or N and Q6 is CR17 or N; and R2 and/or R6 are O, S or NR33. Please see the disclosure for the other substituents which are less relevant. The compounds of formula (I) are novel and also claimed, as well as the compound of formula (II), or a mesomer or tautomer thereof, wherein R38 is halogen , CF3, NO2, CN, COR22, COOR23, SO3R23, NCO or SCN, G1, G2M1, R1R2, R4, R5, R6, R8, R22 and R23 are as defined in formula (I), M2m+ is a cation with m positive charges, and m is an integer 1, 2 or 3. The optical recording media are remarkably suitable for DVD±R (658 nm), especially at high recording speeds.
摘要:
Compounds of formula (1) wherein R1 is hydrogen, hydroxy, halogen, nitro, cyano, amino, carboxy, carboxylic ester, sulfo, sulfonic ester, carboxylic amide, sulfonic amide, alkoxy, aryloxy, alkylthio or arylthio, X is —O—, —S—, —NH— or —N(alkyl)-, Y is hydrogen or carboxylic ester, Z is ═C— or ═N—, T is ═C— or ═N—, R2 is hydrogen, alkyl or CN, n is 0 or 1, when Z is ═N— then n is 0, m is 0 or 1, when T is ═N— then m is 0, A is a heterocyclic or linear or polycondensed aromatic group which is unsubstituted or substituted by hydroxy alkyl, halogen, nitro, cyano, amino, acylamino, carboxylic ester, sulfonic ester, carboxylic amide, sulfonic amide, alkoxy, aryloxy, alkylthio, arylthio or phenyl, or A together with T and R2 can form an allycyclic or heterocyclic ring, their preparation and their use in the production of coloured plastics or polymeric colour particles.
摘要:
The invention relates to dye mixtures comprising at least one dye of formula (1) ##STR1## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy and R.sub.2 is hydrogen or C.sub.1 -C.sub.4 alkyl, together with at least one dye of formula (2) ##STR2## wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, R.sub.4 is hydrogen or C.sub.1 -C.sub.4 alkyl and R.sub.5 is C.sub.2 -C.sub.6 alkyl uninterrupted or interrupted by oxygen, with the proviso that R.sub.1 is not methyl when R.sub.2, R.sub.3 and R.sub.4 are hydrogen and R.sub.5 is ethyl.The dye mixtures are suitable for dyeing or printing natural or synthetic polyamide fibre materials, especially in combination with other dyes and especially from short liquors. The dye mixture is distinguished by generally good properties, especially good uptake and good solubility.
摘要:
A process for dyeing or printing polyamide material by the trichromatic technique using a dye mixture which contains least two yellow- or orange-dyeing dyes of formula (1) ##STR1## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen, and X is hydrogen or C.sub.1 -C.sub.4 alkyl; together with at least one red-dyeing dye of formulae (2) and (3) ##STR2## wherein R.sub.2 is C.sub.1 -C.sub.6 alkyl, phenyl or cyclohexyl and R.sub.3 is C.sub.1 -C.sub.6 alkyl, or wherein R.sub.2 and R.sub.3, together with the linking nitrogen atom, form an azepinyl ring, and R.sub.4 is hydrogen, C.sub.2 -C.sub.4 alkanoylamino or halogen; and together with at least one of the blue-dyeing dyes of formulae (4) and (5) ##STR3## wherein R.sub.5 is hydrogen or C.sub.1 -C.sub.4 alkyl, R.sub.6 is C.sub.1 -C.sub.4 alkyl or amino, R.sub.7 is hydrogen or methyl, and R.sub.8 is a C.sub.2-4 hydroxyalkylsulfamoyl radical, is disclosed.
摘要:
Dyes of formula ##STR1## wherein D is the radical of a diazo component of the benzene or naphthalene series or of the heterocyclic series, R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl and R.sub.2 is phenyl or substituted phenyl, give dyeings of good fastness properties on nitrogen-containing or hydroxyl group containing fibre materials.
摘要:
The invention relates to phthalocyanine compounds of the formula ##STR1## wherein MePc is a copper, cobalt or nickel phthalocyanine radical,R.sub.1 is hydrogen or alkyl,X is alkylene, andR.sub.2, R.sub.3 and R.sub.4, are each independently alkyl which is unsubstituted or substituted by hydroxy, alkoxy, phenyl or amino, or R.sub.1 and R.sub.2, when taken together, are methylene, ethylene or propylene if X is methylene or ethylene, or two or three of R.sub.2, R.sub.3 and R.sub.3, together with the nitrogen atom, form a 5- to 7-membered unsubstituted or substituted heterocyclic ring which may contain one or two additional hetero atoms selected from the group consisting of O, N and S as ring members,An.sup..crclbar. is a cation and M is a cation, and x is greater than y and y is greater than 0, and the sum of x+y is 4 or less than 4.These compounds can be used as dyes, in particular for dyeing and printing cellulosic materials and polyacrylonitrile materials, especially paper.
摘要:
There are described novel compounds of the formula I ##STR1## wherein the symbols R.sub.1, R.sub.2, R.sub.3, R.sub.7 and A have the meanings defined in claim 1, also processes for producing them and their use as dyes for dyeing and printing textile materials, on which are obtained brilliant, deeply colored, blue dyes, particularly on polyester materials.
摘要:
Novel dioxazine compounds of the formula ##STR1## in which Z is a basic group, which can be quaternized, Y is an anionic group and X and X.sub.1 independently of one another are identical or different substituents from the category comprising: hydrogen, halogen, CN, substituted or unsubstituted alkyl (C.sub.1 -C.sub.4); substituted or unsubstituted phenyl; NHCOR.sub.1 in which R.sub.1 is alkyl (C.sub.1 -C.sub.4), cycloalkyl, substituted or unsubstituted aryl or a heterocyclic radical; and OCOR.sub.2 in which R.sub.2 is substituted or unsubstituted alkyl (C.sub.1 -C.sub.4) or cycloalkyl; or X and X.sub.1 are the group ##STR2## in which R.sub.4 and R.sub.5 independently of one another are: hydrogen, substituted or unsubstituted alkyl (C.sub.1 -C.sub.4), cycloalkyl or aryl, or R.sub.4 together with R.sub.5 and with the inclusion of the N atom forms a heterocyclic ring, or X and X.sub.1 are the group COOR.sub.6, in which R.sub.6 is hydrogen, substituted or unsubstituted alkyl or cycloalkyl; n is a number from 1 to 4 and m is a number from 0 to 2, with the proviso that the number m is smaller than n, and in which the benzo radicals A and A.sub.1 can be identical or different and can have one or more further substituents, their preparation and their use as dyes, in particular for dyeing and printing natural and regenerated cellulose materials without the addition of salt, are described.
摘要:
1,5-dihydroxy-4,8-diaminoanthraquinone compounds of the formula I ##STR1## wherein Y represents a linear or branched alkyl group of 1 to 5 carbon atoms,R represents a hydrogen atom, an unsubstituted or substituted alkyl group of 1 to 5 carbon atoms or the cyclohexyl group, andEach of R.sub.1 and R.sub.2 independently represents a hydrogen atom, the methyl, ethyl or iso-propyl group.