PRINTING INK COMPOSITION FOR SOFT PACKAGING LAMINATE

Provided is a flexible package laminate print ink composition including a pigment, a binder resin, and an organic solvent. The binder resin includes polyurethane resin including a biomass polyurethane resin obtained by a reaction of a biopolyester polyol component and an organic diisocyanate compone...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	AKASAKA, Kenta, MAEOKA, Yoshiaki, OGAWA, Toru, HARADA, Junichi, TAKABAYASHI, Ryo
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS CORRECTION OF TYPOGRAPHICAL ERRORS DYES FILLING PASTES i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME INKS LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Provided is a flexible package laminate print ink composition including a pigment, a binder resin, and an organic solvent. The binder resin includes polyurethane resin including a biomass polyurethane resin obtained by a reaction of a biopolyester polyol component and an organic diisocyanate component, and includes, at a terminal thereof, a primary or secondary amino group. The biopolyester polyol component includes a dicarboxylic acid, a certain amount of organic acid having three or more active hydrogen groups, each having a certain molecular weight, and diol. At least one of the dicarboxylic acid and the diol is plant-derived, and has NCO group/OH group=1.2 to 3.0. A content of the biomass polyurethane resin in the polyurethane resin is 5 mass% to 100 mass%.