Use of preparations of azo-pigments containing solvents for intaglio printing and flexographic printing on packaging
Monoazo and disazo pigments from the group comprising acetoacetarylide, pyrazolone, beta -naphthol, 2-hydroxy-3-naphthanilide, 2-hydroxynaphthoic acid, benzimidazolone, diaryl yellow, diarylpyrazolone and disazobenzimidazolone pigments, whose preparation has involved the addition, no later than dire...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | Monoazo and disazo pigments from the group comprising acetoacetarylide, pyrazolone, beta -naphthol, 2-hydroxy-3-naphthanilide, 2-hydroxynaphthoic acid, benzimidazolone, diaryl yellow, diarylpyrazolone and disazobenzimidazolone pigments, whose preparation has involved the addition, no later than directly before their isolation, of at least one nonionic surfactant which has a turbidity point in aqueous solution, with the exception of pigments whose coupling component is bis(acetoacetylamino)benzene, are used for the pigmentation of solvent-containing printing inks employed in flexographic printing and intaglio printing on packaging. |
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