TAPPI JOURNAL

Using polyvinyl alcohol in ink-jet printing, TAPPI JOURNAL, January 1997, Vol. 80(1)

John R. Boylan

Advances in ink-jet printing technology have resulted in a new generation of ink-jet printers that can print faster at wider paper widths and produce four-color images close to photographic quality. Ink-jet printing papers must

be tailored to these changes through quick ink absorption, minimizing ink bleed and ink wicking while retaining favorable ink optical density values. To meet these demands, many papermakers are turning to pigmented size press and special coatings formulations. Polyvinyl alcohol (PVOH) is the binder of choice for pigmented ink-jet papers due to excellent binding strength, affinity for water, and its ability to boost optical brightener performance in high brightness ink-jet papers.



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