Actinic energy radiation curable ink-jet ink and ink-jet recording method
An actinic energy radiation curable ink-jet ink comprising an actinic energy radiation polymerizable compound, wherein the actinic energy radiation polymerizable compound comprises a vinyl ether compound, a total content of the vinyl ether compound is 30% or more by mass, the vinyl ether compound comprises a bis-vinyl ether compound and a multifunctional vinyl compound having three or more vinyl ether groups, 10 to 70% by mass of the ink is the bis-vinyl ether compound, and 5 to 70% by mass of the ink is the multifunctional vinyl compound having three or more vinyl ether groups.
1. An actinic energy radiation curable ink-jet ink comprising:
an actinic energy radiation polymerizable compound, wherein
the actinic energy radiation polymerizable compound comprises a vinyl ether compound, a total content of the vinyl ether compound is 70-98% by mass of the ink,
the vinyl ether compound comprises a bis-vinyl ether compound and a multi-vinyl ether compound having three or more vinyl, ether groups,
40 to 70% by mass of the ink is the bis-vinyl ether compound, and
5 to 70% by mass of the ink is the multi-vinyl ether compound.
2. The actinic energy radiation curable ink-jet ink of claim 1 further comprising an acryloyl compound or a methacryloyl compound.
3. The actinic energy radiation curable ink-jet ink of claim 2 , wherein a content of the acryloyl compound or the methacryloyl compound is 1-45% by mass of the ink.
4. The actinic energy radiation curable ink-jet ink of claim 2 , wherein a content of the multi-vinyl ether compound is 15-70% by mass of the ink.
5. The actinic energy radiation curable ink-jet ink of claim 2 , wherein the multi-vinyl ether compound comprises an oxyalkylene group.
6. The actinic energy radiation curable ink-jet ink of claim 5 , wherein the multi-vinyl ether compound comprises four or more vinyl ether groups.
7. The actinic energy radiation curable ink-jet ink of claim 5 , wherein at least one vinyl ether group of the multi-vinyl ether compound is represented by Formula 1;
wherein R 1 and R 2 represents a hydrogen atom and an organic group, and a total number of carbon atoms in the organic group represented by R 1 and R 2 is 1 or more.
8. The actinic energy radiation curable ink-jet ink of claim 1 , wherein a content of the bis-vinyl ether compound is 40-70% by mass of the ink.
9. The actinic energy radiation curable ink-jet ink of claim 1 , wherein a content of the multi-vinyl ether compound is 15-70% by mass of the ink.
10. The actinic energy radiation curable ink-jet ink of claim 1 , wherein the multi-vinyl ether compound comprises an oxyalkylene group.
11. The actinic energy radiation curable ink-jet ink of claim 1 , wherein the multi-vinyl ether compound comprises four or more vinyl, ether groups.
12. The actinic energy radiation curable ink-jet ink of claim 1 , wherein at least one vinyl ether group of the multi-vinyl ether compound is represented by Formula 1;
wherein R 1 and R 2 represents a hydrogen atom and an organic group, and a total number of carbon atoms in the organic group represented by R 1 and R 2 is 1 or more.
13. The actinic energy radiation curable ink-jet ink of claim 1 , wherein a viscosity of the ink is 5 to 50 mPa·s at 25° C.
14. The actinic energy radiation curable ink-jet ink of claim 1 , wherein a surface tension of the ink is 22 to 35 mN/m at 25° C.
15. The actinic energy radiation curable ink-jet ink of claim 1 , wherein a total amount of an ion of Na ion, Ca ion and Mg ion in the ink is 100 ppm or less.
16. An ink-let recording method for forming an image comprising steps of:
applying the actinic energy radiation curable ink-jet ink claim 1 onto a substrate, radiating an actinic energy radiation onto the actinic energy radiation curable ink-jet ink on the substrate.
17. An ink-jet recording method of claim 16 further comprising steps of:
applying the actinic energy radiation curable ink-jet ink of claim 1 onto the actinic energy radiation curable ink-jet ink radiated by the actinic energy radiation, and radiating an actinic energy radiation onto the actinic energy radiation curable ink-jet ink.