abstract |
Disclosed is an ink composition comprising (a) a nonpolymeric ketone ink vehicle having a melting point of at least about 60° C., (b) a polyketone hardening component, (c) a colorant, (d) a conductivity enhancing agent, (e) an optional antioxidant, (f) an optional viscosity modifier which is a nonpolymeric carbonate, monoketone, or diketone, and (g) an optional ultraviolet absorber. |