发明名称 Inkjet recording medium and ink set, and inkjet recording method
摘要 A inkjet recording medium and ink set including ink containing water, a hydrosoluble organic solvent comprising an amide compound represented by the following Chemical Structure 1, a surface active agent; and a coloring agent, and a recording medium containing a substrate; and a coated layer on at least one side of the substrate, wherein the transfer amount of pure water to the recording medium having the coated layer is 2 ml/m2 to 35 ml/m2 during a contact time of 100 ms and 3 ml/m2 to 40 ml/m2 during a contact time of 400 ms when measured by a liquid dynamic absorption tester at 23° C. and 50% RH:;
申请公布号 US8883275(B2) 申请公布日期 2014.11.11
申请号 US201213494222 申请日期 2012.06.12
申请人 Ricoh Company, Ltd. 发明人 Nagashima Hidefumi;Gotou Hiroshi
分类号 B41M5/00;C09D11/322;C09D11/326;C09D11/328;B41M5/52;C09D11/38;C09D11/40;C09D11/30 主分类号 B41M5/00
代理机构 Cooper & Dunham LLP 代理人 Cooper & Dunham LLP
主权项 1. An inkjet recording medium and ink set, comprising: ink comprising: water;a hydrosoluble organic solvent comprising an amide compound represented by the following Chemical Structure 1; a surface active agent; anda coloring agent; and a recording medium comprising: a substrate; anda coated layer on at least one side of the substrate, wherein a transfer amount of pure water to the recording medium having the coated layer is 2 ml/m2 to 35 ml/m2 during a contact time of 100 ms and 3 ml/m2 to 40 ml/m2 during a contact time of 400 ms when measured by a liquid dynamic absorption tester at 23° C. and 50% RH, and wherein the hydrosoluble organic solvent further comprises wetting agents, wherein a content of the hydrosoluble organic solvent comprising the amide compound represented by the Chemical Structure 1, and all of the wetting agents in the hydrosoluble organic solvent, in the ink for inkjet recording, ranges from 20% by weight to 50% by weight, and wherein the wetting agents in the hydrosoluble organic solvent comprises: a wetting agent A which is a polyol having an equilibrium moisture content of 30% or more by weight in an environment of 23° C. and relative humidity of 80% and a boiling point of higher than 250° C.; anda wetting agent B, which is a polyol having an equilibrium moisture content of 30% or more by weight at 23° C. and relative humidity of 80% and a boiling point of from 140° C. to 250° C.
地址 Tokyo JP