O/W TYPE EMULSION INK COMPOSITION FOR BALLPOINT PEN

PROBLEM TO BE SOLVED: To provide an ink composition for ballpoint pen which is free from offset of handwriting, is excellent in water resistance and is excellent in writing feeling. SOLUTION: The O/W type emulsion ink composition for a ballpoint pen is characterized in that an oil-based ink componen...

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1. Verfasser:	ITABASHI AKIKO
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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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an ink composition for ballpoint pen which is free from offset of handwriting, is excellent in water resistance and is excellent in writing feeling. SOLUTION: The O/W type emulsion ink composition for a ballpoint pen is characterized in that an oil-based ink component comprising at least an oil-soluble dye as a colorant and an organic solvent in which the dye is dissolved and which has a solubility of 5 g or less in 100 g of water at 20°C is emulsion dispersed in water by an emulsifier component containing at least a sorbitan fatty acid ester having HLB 8 or less and an acyl lactate having 8C or more. COPYRIGHT: (C)2011,JPO&INPIT