摘要:
Azo dyes are transferred from a substrate to a plastic-coated paper by diffusion with the aid of a thermal printing head, these azo dyes having the formula ##STR1## where D is the radical of a diazo component andR.sup.1, R.sup.2 and R.sup.3 are each independently of the others hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted phenyl or substituted or unsubstituted cyclohexyl andR.sup.4 is alkyl.
摘要:
Azo dyes useful for thermotransfer printing have the formula ##STR1## where the substituents have the following meanings: X is a radical of the formula IIa or IIb ##STR2## R.sup.1 is H, C.sub.1 -C.sub.6 -alkyl or phenyl which may be substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.2 -alkoxy, chlorine, bromine or cyano,R.sup.2 is H, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, chlorine or bromine, n is 1 or 2, K is a radical of a coupling component IIH--K III of the aniline, aminonaphthaline, pyrazole, diaminopyridine, hydroxypyridone or tetrahydroquinoline series.
摘要:
Azo dyes are transferred from a substrate to a plastic-coated paper by diffusion with the aid of a thermal printing head, these azo dyes having the formula ##STR1## where R.sup.1 and R.sup.2 are each independently of the other hydrogen, substituted or unsubstituted alkyl or substituted or unsubstituted phenyl,R.sup.3 is hydrogen, alkyl, alkoxy or substituted or unsubstituted alkanoyl- or benzoyl-amino,R.sup.4 is hydrogen, chlorine, alkyl, alkoxy, alkylthio or substituted or unsubstituted phenyl andR.sup.5 is cyano, substituted or unsubstituted alkoxy- or phenoxy-carbonyl or substituted or unsubstituted mono- or di-alkyl- or -phenyl-carbamoyl.
摘要:
Triazolopyridine dyes useful for thermal transfer of methine dyes have the formula ##STR1## where R.sup.1 is C.sub.1 -C.sub.20 -alkyl, which may be substituted and interrupted by one or more oxygen atoms, or is substituted or unsubstituted phenyl or hydroxyl,R.sup.2 is a 5- or 6-membered carbocyclic or heterocyclic ring which may be substituted and benzofused,R.sup.3 is cyano, carbamoyl, carboxyl or C.sub.1 -C.sub.4 -alkoxycarbonyl,R.sup.4 is oxygen or a radical of the formula ##STR2## where L.sup.1 is in each case C.sub.1 -C.sub.8 -alkyl which may be interrupted by 1 or 2 oxygen atoms, andX is CH or nitrogen.
摘要:
Thermal transfer dye mixtures comprise at least one azo dye with a coupling component of the diaminopyridine series and at least one triazolopyridine, pyridone and/or 1-aminopyrid-2,6-dione dye.
摘要:
Useful thermal transfer dyes are thiazole dyes having the formula ##STR1## where R.sup.1 and R.sup.2 are each, independently of the other, hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted phenyl or cyclohexyl or together with the linking nitrogen atom a heterocyclic radical,R.sup.3 is hydrogen, halogen, alkyl, substituted or unsubstituted phenyl, benzyl, cyclohexyl, hydroxyl, furyl or thienyl, andA is a cyclohexadienone radical which may be substituted and/or benzofused.
摘要:
Azo dyes suitable for thermal transfer printing have the formula ##STR1## in which the substituents have the following meanings: R.sup.1 is H, amino, hydroxyl or C.sub.1 -C.sub.3 -alkyl, R.sup.2 is H, acetyl, carbamoyl or cyano, R.sup.3 is .omega.-phenoxy-, .omega.-tolyloxy-, .omega.-benzyloxy- or .omega.-cyclohexyloxy-C.sub.1 -C.sub.12 -alkyl whose carbon chain may be interrupted by one or two of the following nonadjacent members --O--, --CO--, --O--CO-- or --CO--O-- and which may carry one or two of the following substituents: halogen, hydroxyl, C.sub.1 -C.sub.2 -alkyl, phenyl or cyclohexyl; R.sup.4 and R.sup.5 are each H, halogen, cyano, nitro, trihalomethyl, or a radical of the formula --CO--H, --CO--R.sup.6, --O--CO--R.sup.6, --CO--OR.sup.6, --SO--OR.sup.6, --O--SO--OR.sup.6, --CO--NR.sup.7 R.sup.8, --O--CO--NR.sup.7 R.sup.8, --SO.sub.2 --NR.sup.7 R.sup.8 or --O--SO.sub.2 --NR.sup.7 R.sup.8 where R.sup.6 is C.sub.1 -C.sub.12 -alkyl or .omega.-phenoxy-, .omega.-tolyloxy-, .omega.-benzyloxy- or .omega.-cyclohexyloxy-C.sub.1 -C.sub.12 -alkyl where the carbon chain may in each case be interrupted by one or two oxygen atoms in ether function, R.sup.7 is C.sub.1 -C.sub.12 -alkyl and R.sup.8 is H or has one of the meanings of R.sup.7.
摘要:
Azo dyes useful for thermotransfer printing have the formula ##STR1## where R.sup.1 and R.sup.2 are each H; alkyl, alkoxyalkyl, alkanoyloxyalkyl, alkoxycarbonyloxyalkyl, alkoxycarbonylalkyl, haloalkyl, hydroxyalkyl or cyanoalkyl each of up to 20 carbon atoms and each of which may be substituted by phenyl, C.sub.1 -C.sub.4 -alkylphenyl, C.sub.1 -C.sub.4 -alkoxyphenyl, halophenyl, benzyloxy, C.sub.1 -C.sub.4 -alkylbenzyloxy, C.sub.1 -C.sub.4 -alkoxybenzyloxy, halobenzyloxy, halogen, hydroxyl or cyano; phenyl or cyclohexyl which may each be substituted by C.sub.1 -C.sub.15 -alkyl, C.sub.1 -C.sub.15 -alkoxy, halogen or benzyloxy; or a radical II[--W--O].sub.n --R.sup.4 IIwhere W is identical or different C.sub.2 -C.sub.5 -alkylene, n is 1-6, R.sup.4 is C.sub.1 -C.sub.4 -alkyl or phenyl which may be substituted by C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, R.sup.3 is H, NH.sub.2, OH or C.sub.1 -C.sub.3 -alkyl, X is H, Cl, Br, No.sub.2, methyl, phenoxy, tolyloxy, dimethylphenyloxy, chlorophenoxy or C.sub.1 -C.sub.4 -alkoxy, Y is H, Cl or Br, and Z is H, acetyl, carbamoyl or cyano.