Reducing Backtrap Mottle in MultiLayer Coating Systems: Influence of Precoat Composition and Structure, 2006 Coating & Graphic Arts Conference

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Backtrap mottle in commercially printed SBS paperboard signatures was significantly reduced when precoat pore structure (diameter and volume) was modified through the inclusion of a highly associative binder. Precoat pore diameter increased while total pore volume decreased with the addition of soy protein. Measurements were made to estimate the rate at which each coated surface removed solvents from ink and to describe the relative uniformity of coating permeability. Solvent removal rates suggested that precoat structure produced a significant influence on overall ink / paper interactions.

Author: Richard Gagnon and Donald Hiscock
Reducing Backtrap Mottle in MultiLayer Coating Systems: Infl
Reducing Backtrap Mottle in MultiLayer Coating Systems: Influence of Precoat Composition and Structure, 2006 Coating & Graphic Arts Conference
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