Water-based inkjet inks containing an ultraviolet curable humectant
View Patent ↗A composition for ink-jet recording is provided. The composition comprises a water miscible resin and a water-soluble ultraviolet curable humectant. The concentration of the water-soluble ultraviolet curable humectant may be in the range of 5% to 50% by weight. Examples of such humectants may include polyalkylen glycol acrylates, polyethers acrylates, and highly ethoxylated derivatives of acrylates.
1. An ink composition for ink-jet recording comprising:
water;
a water miscible resin; and
a water soluble ultraviolet curable humectant.
2. The ink composition of claim 1 further comprising:
a water miscible photoinitiator.
3. The composition of claim 1 further comprising a dye as a coloring agent.
4. The composition of claim 1 further comprising a pigment as a coloring agent.
5. The composition of claim 1 , wherein said miscible resin is an acrylic resin, a styrene acrylic resin, a carboxylated acrylic resin a polyurethane resin, a polyacetate resin, a polyvinyl chloride resin or any combination thereof.
6. The composition of claim 1 , wherein said miscible resin is a water dispersible ultraviolet curable resin.
7. The composition of claim 6 , wherein said water dispersible ultraviolet curable resin is an aliphatic urethane acrylate, an aromatic urethane acrylate, an epoxy acrylate, a polyester acrylate or any combination thereof.
8. The composition of claim 1 , wherein said water soluble ultraviolet curable humectant is a polyalkylene glycol acrylate.
9. The composition of claim 1 , wherein said water soluble ultraviolet curable humectant is a polyether acrylate.
10. The composition of claim 1 , wherein said water soluble ultraviolet curable humectant is a highly ethoxylated derivative of acrylate.
11. The composition of claim 1 , wherein said water soluble ultraviolet curable humectant is polyethylene glycol diacrylate.
12. The composition of claim 1 , wherein said water soluble ultraviolet curable humectant is polyether triacrylate.
13. The composition of claim 1 , wherein said water soluble ultraviolet curable humectant is ethoxylated trimethylololpropane triacrylate.
14. The composition of claim 1 , wherein the concentration of said water soluble ultraviolet curable humectant is 5-15% by weight.
15. The composition of claim 1 , wherein the concentration of said water soluble ultraviolet curable humectant is 15-30% by weight.
16. The composition of claim 1 , wherein the concentration of said water soluble ultraviolet curable humectant is 30-50% by weight.
17. The composition of claim 2 , wherein said water miscible photoinitiator is a water dispersible photoinitiator.
18. The composition of claim 2 , wherein said water miscible photoinitiator is a water soluble photoinitiator.