| abstract |
The ink set of this invention comprises at least two inks, one of which contains a pHnsensitive polymer, a glycol ether, and preferably a self-dispersing pigment colorant. Ansecond ink is provided which comprises incompatible inorganic or organic salts or has annappropriate pH. The polymer precipitates onto a medium upon contact with the second ink,nthereby providing improved dry time as well as bleed and halo control. |