SURFACE-TREATED MONOAZOLAKE PIGMENT, PRODUCTION THEREOF AND PRINTING INK COMPOSITION

PURPOSE:To obtain the title monoazolake pigment consisting of a monoazolake pigment and free resin acid for treating the surface of the pigment, enhanced in transparency, vivid properties and dispersibility as well as surface tension of ink and having excellent printability such as flowability of in...

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Bibliographische Detailangaben
1. Verfasser:	SUGAMO HITOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain the title monoazolake pigment consisting of a monoazolake pigment and free resin acid for treating the surface of the pigment, enhanced in transparency, vivid properties and dispersibility as well as surface tension of ink and having excellent printability such as flowability of ink. CONSTITUTION:The aimed monoazolake pigment obtained by adding (B) 3-30wt.% (as solid content of resin acid based on dye pigment) resin acid alkali salt solution to a monoazolake pigment obtained by subjecting (i) a soluble group-containing aromatic amine (e.g., 1-amino-4-methyl-benzene-2-sulfonic acid) to coupling and laking with (ii) beta-naphthols or beta-oxynaphthoic acids, improved in lipophilic properties as well as flowability and enhanced in apparent surface tension of ink.