PIGMENT COMPOSITION AND PRINTING INK

PURPOSE:To obtain a printing ink excellent in resistance to souring. CONSTITUTION:A pigment compsn. contains a yellow disazo pigment (e.g. C. I. Pigment Yellow 14) and BON acid (2-hydroxy-3-naphthoic acid) or Pamoic acid [4,4'-methylenebis(3-hydroxy-2-naphthoic acid)] or a metal salt of one of...

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Bibliographische Detailangaben
Hauptverfasser: FURUKAWA NAOKI, TAKADA ZENJI, ANDO HIROTO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PURPOSE:To obtain a printing ink excellent in resistance to souring. CONSTITUTION:A pigment compsn. contains a yellow disazo pigment (e.g. C. I. Pigment Yellow 14) and BON acid (2-hydroxy-3-naphthoic acid) or Pamoic acid [4,4'-methylenebis(3-hydroxy-2-naphthoic acid)] or a metal salt of one of these acids.