COLORANT AND AQUEOUS PIGMENT DISPERSION

To provide a colorant that can be used in production of ink that has excellent dispersion stability in a solvent such as water and an organic solvent and allows recording of an image with high optical density and the like, and an aqueous pigment dispersion.SOLUTION: This invention relates to a color...

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Bibliographische Detailangaben
1. Verfasser:	KAWAI KAZUNARI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATION OF CARBON BLACK TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	To provide a colorant that can be used in production of ink that has excellent dispersion stability in a solvent such as water and an organic solvent and allows recording of an image with high optical density and the like, and an aqueous pigment dispersion.SOLUTION: This invention relates to a colorant containing a reactant between a compound (A) having a specific structure and a white pigment (B) having (b) a functional group having reactivity with a hydrolyzable silyl group or a silanol group of the compound (A).SELECTED DRAWING: None 【課題】本発明が解決しようとする課題は、水や有機溶剤等の溶媒中における分散安定性に優れ、かつ、光学濃度の高い画像等の記録を形成可能なインクの製造に使用可能な着色剤及び水性顔料分散体を提供することである。【解決手段】本発明は、特定の構造を有する化合物（Ａ）、及び、前記化合物（Ａ）が有する加水分解性シリル基またはシラノール基と反応性を有する官能基（ｂ）を有する白顔料（Ｂ）との反応物を含有することを特徴とする着色剤に関するものである。【選択図】なし