AQUEOUS BLACK INK COMPOSITION FOR WRITING UTENSIL, AND WRITING UTENSIL

PROBLEM TO BE SOLVED: To provide an aqueous black ink composition for a writing utensil having sufficient blackness by using carbon black as colorant.SOLUTION: This aqueous black ink composition for the writing utensil includes self-dispersion type carbon black with average particle size of 60-150 n...

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Bibliographische Detailangaben
Hauptverfasser:	NODA MORIHIRO, NISHITANI ICHIRO, ASO SUZUKA
Format:	Patent
Sprache:	eng
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 USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an aqueous black ink composition for a writing utensil having sufficient blackness by using carbon black as colorant.SOLUTION: This aqueous black ink composition for the writing utensil includes self-dispersion type carbon black with average particle size of 60-150 nm, where the content of the self-dispersion type carbon black is 3-16 mass%.