| abstract |
The present invention relates to a polyvinyl alcohol additive useful in inkjetnprinting systems comprising a 5 th or 6 th ink pen set. The fluids of this inventionninteract beneficially with either the media, the ink and/or a reactive fluid contain in annadditional pen. The polyvinyl alcohols are used to form a protective gel-like film onnthe medium substrate and provides both print and permanence benefits, such asnincreased chroma, smearfastness, smudgefastness and waterfastness. |