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Journal articles
Open Access
Pre-damping effects on water absorption and drying dynamics in flexographic printing, TAPPI Journal November 2025

ABSTRACT: Optimizing flexographic printability can involve the ink and the substrate, as well as the printing process. It has been widely reported in the literature that controlling topography of the substrate and its porosity are vital for good flexographic printability, especially when using water-based inks. This study focuses on how pre-damping a surface impacts liquid absorption and improves wet trapping (ink on ink with no intermediate drying) in flexographic printing. A Prüfbau universal print tester was adapted to analyze flexographic wet-on-wet ink printing and trapping using yellow and magenta inks for contrast. Slow drying of the first ink layer (yellow) leads to mottle when the second layer (magenta) is applied. The study explores the “wet sponge” hypothesis: a pre-damped surface should absorb liquid faster. The Lucas- Washburn equation describes long-term absorption, but it does not capture short-term uptake, which instead follows a linear dependence on time.

Journal articles
Open Access
CFD-Based Modeling of Kraft Char Beds â?¢ Part 1: Char Bed Burning Model, TAPPI JOURNAL February 2010

CFD-Based Modeling of Kraft Char Beds • Part 1: Char Bed Burning Model, TAPPI JOURNAL February 2010

Journal articles
Open Access
Nonwoven geotextiles: types and applications, TAPPI JOURNAL August 1989

Nonwoven geotextiles: types and applications, TAPPI JOURNAL August 1989

Journal articles
Open Access
Wet-formed nonwoven webs from high-performance fibers, TAPPI JOURNAL December 1989 89DEC109

Wet-formed nonwoven webs from high-performance fibers, TAPPI JOURNAL December 1989

Journal articles
Open Access
Split addition of chlorine and pH control for reducing formation of dioxins, TAPPI JOURNAL December 1989 89DEC121

Split addition of chlorine and pH control for reducing formation of dioxins, TAPPI JOURNAL December 1989

Journal articles
Open Access
Bond setting in the corrugating operation-The rate of dehydration of the starch adhesive, TAPPI JOURNAL December 1989 89DEC127

Bond setting in the corrugating operation-The rate of dehydration of the starch adhesive, TAPPI JOURNAL December 1989

Journal articles
Open Access
Paper mill sludge as a valuable fuel, TAPPI JOURNAL December 1989

Paper mill sludge as a valuable fuel, TAPPI JOURNAL December 1989

Journal articles
Open Access
Minority involvement inthe North American paper industry is dependent on increasing the number of minority students in science and engineering, TAPPI JOURNAL December 1989

Minority involvement inthe North American paper industry is dependent on increasing the number of minority students in science and engineering, TAPPI JOURNAL December 1989

Journal articles
Open Access
User-friendly system analyzes paper formation, dirt speck content, and solid-print nonuniformity, TAPPI JOURNAL December 1989

User-friendly system analyzes paper formation, dirt speck content, and solid-print nonuniformity, TAPPI JOURNAL December 1989

Journal articles
Open Access
The difference between dry and rewetted zero-span tensile strength of paper, TAPPI JOURNAL December 1989 89DEC164

The difference between dry and rewetted zero-span tensile strength of paper, TAPPI JOURNAL December 1989

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