WATER-BASED INK, INK CARTRIDGE, AND INKJET RECORDING METHOD

To provide a water-based inkjet ink that makes it possible to record images with good abrasion resistance in spite of employing pigments as color materials.SOLUTION: The water-based inkjet ink contains pigments and a urethane resin. The urethane resin comprises a polyisocyanate-derived unit. The pol...

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Bibliographische Detailangaben
Hauptverfasser:	FURUSE TAKASHI, TAJIMA TAKAHIRO, MIYAMACHI NAOTOSHI, HAYASHI KATSUHIRO, OTA TAKASHI
Format:	Patent
Sprache:	eng ; jpn
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 LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS 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:	To provide a water-based inkjet ink that makes it possible to record images with good abrasion resistance in spite of employing pigments as color materials.SOLUTION: The water-based inkjet ink contains pigments and a urethane resin. The urethane resin comprises a polyisocyanate-derived unit. The polyisocyanate-derived unit includes a unit derived from at least one of pentamethylene diisocyanate and heptamethylene diisocyanate.SELECTED DRAWING: None 【課題】色材として顔料を用いた場合であっても、耐擦過性が良好な画像を記録することが可能なインクジェット用の水性インクを提供する。【解決手段】顔料、及びウレタン樹脂を含有するインクジェット用の水性インクである。前記ウレタン樹脂が、ポリイソシアネートに由来するユニットを含む。前記ポリイソシアネートに由来するユニットが、ペンタメチレンジイソシアネート及びヘプタメチレンジイソシアネートの少なくとも一方に由来するユニットを含むことを特徴とする。【選択図】なし