INK SET FOR INKJET RECORDING AND METHOD FOR FORMING IMAGE

PROBLEM TO BE SOLVED: To prevent the tinting of an image containing composite black formed by inkjet recording, when the image fades with ozone. SOLUTION: An ink set for inkjet recording has a yellow ink, a magenta ink and a cyan ink. The difference in decreasing rates of OD (optical density) values...

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Bibliographische Detailangaben
1. Verfasser:	SAGO HIROMITSU
Format:	Patent
Sprache:	eng
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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Zusammenfassung:	PROBLEM TO BE SOLVED: To prevent the tinting of an image containing composite black formed by inkjet recording, when the image fades with ozone. SOLUTION: An ink set for inkjet recording has a yellow ink, a magenta ink and a cyan ink. The difference in decreasing rates of OD (optical density) values between the yellow color and the magenta color, that between the yellow color and the cyan color and that between the magenta color and the cyan color are controlled to satisfy a specific relationship as to the decreasing rates of the OD values of a yellow patch, a magenta patch and a cyan patch before and after ozone resistance evaluation tests when the tests are carried out for the yellow patch, the magenta patch and the cyan patch formed on glossy paper using the yellow ink, the magenta ink and the cyan ink, respectively under four kinds of temperature and humidity conditions adapted to the actual environment. COPYRIGHT: (C)2009,JPO&INPIT