COLORANT COMPOUND AND INK CONTAINING THE COLORANT COMPOUND

PROBLEM TO BE SOLVED: To provide a colorant compound excellent in weatherability, and to provide ink, especially an inkjet ink, excellent in storage stability. SOLUTION: The colorant compound is represented by general formula (1), wherein A1 is N or CR2; when A1 is N, R1 is an amino group, and when...

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Hauptverfasser: MIYAZAKI TAKESHI, HIROSE MASAFUMI, HASEGAWA KAZUTAKA, MURAI YASUSUKE
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a colorant compound excellent in weatherability, and to provide ink, especially an inkjet ink, excellent in storage stability. SOLUTION: The colorant compound is represented by general formula (1), wherein A1 is N or CR2; when A1 is N, R1 is an amino group, and when A1 is CR2, R1 forms an aromatic ring together with R2; the aromatic ring has an anionic group; R3 is an alkyl group, an aryl group, or an aralkyl group; Cy is a substituted or unsubstituted aromatic ring. COPYRIGHT: (C)2010,JPO&INPIT