| abstract |
An ink jet ink composition and process for printing on vinyl substrates in whichnthe ink comprises an aqueous vehicle containing at least water and a water-misciblenglycol or glycol ether, wherein water constitutes no more than 80% bynweight based on the total weight of the vehicle; an insoluble colorant (preferably anpigment); a polymeric dispersant; a silicon or fluorinated surfactant; and,noptionally but preferably, a graft copolymer binder having a hydrophobicnbackbone and non-ionic, hydrophilic side chains, which binder is soluble in thenaqueous vehicle but insoluble in water. |