Primer for ink-jet recording
View Patent ↗The present invention relates to a primer ink comprising a polymerizable compound and a polymerization initiator, wherein the polymerizable compound comprises a monofunctional monomer having an aromatic hydrocarbon-based ring structure in a molecule and an aliphatic hydrocarbon-based monofunctional monomer, wherein a total mass of the monofunctional monomer having an aromatic hydrocarbon-based ring structure in a molecule and an aliphatic hydrocarbon-based monofunctional monomer is 80% by mass or more based on the total mass of all polymerizable compounds which the primer ink comprises, and wherein a surface tension of is 25 mN/m to 31 mN/m and a viscosity is 50 mPa·s or less.
1. A primer ink comprising a polymerizable compound and a polymerization initiator, wherein the polymerizable compound consists of monofunctional monomers, and wherein the monofunctional monomers comprise a monofunctional monomer having an aromatic hydrocarbon-based ring structure in a molecule and an aliphatic hydrocarbon-based monofunctional monomer, wherein a total mass of the monofunctional monomer having an aromatic hydrocarbon-based ring structure in a molecule and the aliphatic hydrocarbon-based monofunctional monomer is 80% by mass or more based on the total mass of all polymerizable compounds which said primer ink comprises, wherein the primer ink has a surface tension of 25 mN/m to 31 mN/m and a viscosity of 50 mPa·s or less, and
wherein the monofunctional monomer having an aromatic hydrocarbon-based ring structure comprises 2-hydroxy-3-phenoxypropyl acrylate.
2. The primer ink according to claim 1 , wherein the aliphatic hydrocarbon-based monofunctional monomer comprises a monofunctional monomer not having an alicyclic hydrocarbon structure in a molecule.
3. The primer ink according to claim 1 , wherein the aliphatic hydrocarbon-based monofunctional monomer comprises a monofunctional monomer having an alicyclic hydrocarbon structure in a molecule.
4. The primer ink according to claim 1 , further comprising an anti-gelling agent and a surface modifier.
5. The primer ink according to claim 1 for using as a primer for an image forming ink composition having a surface tension of 25 mN/m to 32 mN/m.
6. The primer ink according to claim 2 , wherein the aliphatic hydrocarbon-based monofunctional monomer comprises a monofunctional monomer having an alicyclic hydrocarbon structure in a molecule.
7. The primer ink according to claim 2 , further comprising an anti-gelling agent and a surface modifier.
8. The primer ink according to claim 3 , further comprising an anti-gelling agent and a surface modifier.
9. The primer ink according to claim 2 for using as a primer for an image forming ink composition having a surface tension of 25 mN/m to 32 mN/m.
10. The primer ink according to claim 3 for using as a primer for an image forming ink composition having a surface tension of 25 mN/m to 32 mN/m.
11. The primer ink according to claim 4 for using as a primer for an image forming ink composition having a surface tension of 25 mN/m to 32 mN/m.