| 发明名称 |
INK SET AND LIQUID DROPLET DISCHARGING APPARATUS |
| 摘要 |
An ink set according to the invention includes a first ink composition which contains a first coloring material, and a second ink composition which contains a second coloring material other than the first coloring material, in which the first coloring material is at least one of a white coloring material formed of second particles with an average particle diameter of 200 nm or more to 1 μm or less formed by collecting a plurality of first particles with an average particle diameter of less than 200 nm, or a photoluminescent pigment with a specific gravity of 2.0 or more, and the viscosity of the first ink composition at 20° C. is 1.3 times or more with respect to the viscosity of the second ink composition at 20° C. |
| 申请公布号 |
US2015115202(A1) |
申请公布日期 |
2015.04.30 |
| 申请号 |
US201414521914 |
申请日期 |
2014.10.23 |
| 申请人 |
Seiko Epson Corporation |
发明人 |
KAGATA Takayoshi |
| 分类号 |
C09D11/322;C08K5/5419;C09K11/64;C09D175/04;C08K7/24;C08K5/3417 |
主分类号 |
C09D11/322 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An ink set comprising:
a first ink composition which contains a first coloring material; and a second ink composition which contains a second coloring material other than the first coloring material, wherein the first coloring material is at least one of a white coloring material formed of second particles with an average particle diameter of 200 nm or more to 1 μm or less formed by collecting a plurality of first particles with an average particle diameter of less than 200 nm, or a photoluminescent pigment with a specific gravity of 2.0 or more, and viscosity of the first ink composition at 20° C. is 1.3 times or more with respect to the viscosity of the second ink composition at 20° C. |
| 地址 |
Tokyo JP |
