Ink-jet printing media containing macrocyclic polyethers

Details Ink-jet printing media containing macrocyclic polyethers Ink-jet printing media containing macrocyclic polyethers

C - Chemistry, Metallurgy

09

D

31/153

C09D 11/10 (2006.01) C09D 11/00 (2006.01)

Patent

CA 1277493

INK JET PRINTING MEDIA CONTAINING MACROCYCLIC POLYETHERS ABSTRACT OF THE DISCLOSURE An improved ink suitable for use in ink-jet printers is provided. The ink includes (a) a vehicle comprising at least one member selected from the group consisting of water and a non-aqueous component and (b) an anionic dye having cations associated therewith. The ink composition is characterized by further including a macrocyclic poly- ether associated with the cations, the macrocyclic poly- ether having binding sites and a cavity size suitable for complexing the cations. The ink composition of the inven- tion evidences reduced crusting, increased fade resistance and, for use in thermal ink-jet printers, reduced koga- tion.

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