Aqueous ink composition for writing utensil and writing utensil accommodating same

To provide an aqueous ink composition for writing utensils which is able to form written characters having excellent dryability and form clear written characters inhibited from striking through to the back and which, even when containing a pigment as a colorant, can be inhibited from suffering aggre...

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Bibliographische Detailangaben
Hauptverfasser:	OHNO, ITSUKA, FUKUSHIMA, AZUSA, KITAOKA, NOBUYUKI
Format:	Patent
Sprache:	chi ; eng
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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Beschreibung
Zusammenfassung:	To provide an aqueous ink composition for writing utensils which is able to form written characters having excellent dryability and form clear written characters inhibited from striking through to the back and which, even when containing a pigment as a colorant, can be inhibited from suffering aggregation or precipitation of the pigment, and a writing utensil accommodating the ink composition. An aqueous ink composition for writing utensils which comprises a colorant, water, and a specific polyoxyethylene aryl ether and has a contact angle of 40-70 DEG with writing paper A in accordance with old JIS P3201; and a writing utensil including the aqueous ink composition accommodated in the interior thereof.