发明名称 Ink-jet recording method, ink-jet recording apparatus and recorded matter
摘要 An ink-jet recording method including recording onto a recording medium a black image of composite black using a black ink and color inks, wherein the black ink includes water, a water-soluble organic solvent, a surfactant, and a carbon black whose volume average particle diameter is 40 nm to 100 nm, and the color inks include a cyan ink, a magenta ink and a yellow ink, wherein the mass ratio (A/B) of a solid content A to a water-soluble organic solvent content B in the black ink is in the range of 1/8 to 1/15, and wherein the recording medium includes a support with a coating layer, and the amounts of purified water transferred to the recording medium at contact periods of 100 ms and 400 ms at a temperature of 23 C and a relative humidity of 50% are 2 ml/m2 to 35 ml/m2 and 3 ml/m2 to 40 ml/m2 respectively.
申请公布号 US8110257(B2) 申请公布日期 2012.02.07
申请号 US20080376439 申请日期 2008.06.26
申请人 NAGASHIMA HIDEFUMI;NAGAI KIYOFUMI;RICOH COMPANY, LTD. 发明人 NAGASHIMA HIDEFUMI;NAGAI KIYOFUMI
分类号 B41M5/00 主分类号 B41M5/00
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