AQUEOUS INK COMPOSITION FOR BALL POINT PEN AND BALL POINT PEN INCORPORATING THE SAME

PROBLEM TO BE SOLVED: To provide an aqueous ink composition for a ball point pen which can suppress corrosion of a carbide ball with time and maintain excellent writing performance for a long period of time, and a ball point pen incorporating the same.SOLUTION: There is provided an aqueous ink compo...

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Bibliographische Detailangaben
1. Verfasser:	ASAMI HIDEAKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVES BUREAU ACCESSORIES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES IMPLEMENTS FOR WRITING OR DRAWING INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS WRITING OR DRAWING IMPLEMENTS
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an aqueous ink composition for a ball point pen which can suppress corrosion of a carbide ball with time and maintain excellent writing performance for a long period of time, and a ball point pen incorporating the same.SOLUTION: There is provided an aqueous ink composition for a ball point pen containing a coloring agent, water and phosphoric acid ester represented by the formula (1). There is provided a ball point pen incorporating the same. The ball point pen uses a carbide alloy ball for a writing tip. (1), where R is CHor CHand n is 1 or 2.SELECTED DRAWING: None 【課題】経時による超硬ボールの腐食を抑制し、優れた筆記性能を長期的に維持できるボールペン用水性インキ組成物とそれを内蔵したボールペンを提供する。【解決手段】着色剤と水と式（１）で示されるリン酸エステルを含有するボールペン用水性インキ組成物。前記ボールペン用水性インキ組成物を内蔵したボールペン。前記ボールペンが超硬合金ボールを筆記先端部に用いてなる。〔ＲはＣＨ３又はＣ８Ｈ１７；ｎは１又は２〕【選択図】なし