| 主权项 |
1. An ink composition for applying an image onto a receiving medium, said receiving medium comprising a hydrophobic surface, the ink composition comprising:
a pigment; an aqueous vehicle; a host compound, which is soluble or dispersible in the aqueous vehicle and has a cavity capable of hosting a guest compound; a surface active agent, having a first part and a second part, wherein the first part has an affinity towards the cavity of the host compound and is capable of forming a host-guest complex with the host compound and wherein the second part has a hydrophobic character and an affinity towards the hydrophobic surface of the receiving medium, wherein the affinity of the second part towards the hydrophobic surface of the receiving medium is higher than the affinity of the first part towards the cavity of the host compound. |
