PIGMENT DISPERSANT COMPOSITION, PRODUCTION METHOD THEREFOR, PIGMENT DISPERSION, AND ACTINIC-RAY-CURABLE INK-JET INK

The present invention provides an environmentally friendly pigment dispersant composition that can be produced relatively easily. In this pigment dispersant composition, the content of a volatile component is significantly reduced even though the pigment dispersant composition contains a pigment dis...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MURAKAMI, Yoshikazu, KAMABAYASHI, Jun, FUJITA, Toshiyasu, YOSHIKAWA, Sachio, SHIMANAKA, Hiroyuki, ARAI, Kazutaka
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COLOUR PRINTING CORRECTING FLUIDS CORRECTION OF TYPOGRAPHICAL ERRORS DYES FILLING PASTES i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME INKS LAKES LINING MACHINES 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 PERFORMING OPERATIONS POLISHES PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The present invention provides an environmentally friendly pigment dispersant composition that can be produced relatively easily. In this pigment dispersant composition, the content of a volatile component is significantly reduced even though the pigment dispersant composition contains a pigment dispersant mainly containing a constituent unit derived from a vinyl-based monomer, and a pigment dispersion and an ink which are excellent in pigment dispersability can be prepared using this pigment dispersant composition. This pigment dispersant composition contains a polyglycol component and a polymer component having a constituent unit (1) derived from a macromonomer represented by formula (1), wherein R represents a hydrogen atom or a methyl group, R1 represents CH2CH2 or CH2CH2OCH2CH2, and m + n = 20 to 100, and a constituent unit (2) derived from a functional group-containing vinyl-based monomer, wherein the polyglycol component is a polyalkylene glycol or the like, and a content of an organic compound having a boiling point of 250°C or lower is 1% by mass or less.