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Journal articles
Open Access
The dagbladet full-scale printing trials: part 4: an analysis of roll quality, TAPPI JOURNAL, October 1994, Vol. 77(10)

The dagbladet full-scale printing trials: part 4: an analysis of roll quality, TAPPI JOURNAL, October 1994, Vol. 77(10)

Journal articles
Open Access
The impact of web oven parameters on 20 degrees print gloss, TAPPI JOURNAL, October 1994, Vol. 77(10)

The impact of web oven parameters on 20 degrees print gloss, TAPPI JOURNAL, October 1994, Vol. 77(10)

Journal articles
Open Access
Bleached fiber from occ, TAPPI JOURNAL, September 1994, Vol. 77(9)

Bleached fiber from occ, TAPPI JOURNAL, September 1994, Vol. 77(9)

Journal articles
Open Access
Stability and chemical resistance of forming fabrics to wet-end boilout conditions, TAPPI JOURNAL, April 1995, Vol. 78(4)

Stability and chemical resistance of forming fabrics to wet-end boilout conditions, TAPPI JOURNAL, April 1995, Vol. 78(4)

Journal articles
Open Access
Neutral to alkaline rosin soap sizing with metal ions and polyethylenimine as mordants, TAPPI JOURNAL, April 1995, Vol. 78(4)

Neutral to alkaline rosin soap sizing with metal ions and polyethylenimine as mordants, TAPPI JOURNAL, April 1995, Vol. 78(4)

Journal articles
Open Access
A method to produce paperboard with a lightweight low-density coating, TAPPI Journal November 2025

ABSTRACT: In this work, a method is described in which a coating layer is produced that consists of a network of bubble-shaped air-filled voids within the coating. This is accomplished by instantaneously flash-drying all the water in the coating as it exits the application nip. The nip is formed between a polished chrome drum and a deformable press roll. The combination of the drum temperature, nip pressure, and nip width allow for sufficient energy to be transferred to the coating to completely flash-dry the coating material. The pressure within the nip is sufficient to allow the coating to superheat within the nip, then flash boil as it exits the nip. This boiling effect and resulting expansion are constrained by the roll surface, resulting in a coated surface that mirrors the polished chrome surface. The coating immobilizes while in the process of boiling, which preserves the bubble structure. With a coat weight of 5 g/m2, a flat, smooth surface is produced. This process was scaled up to a mill production machine layout and run at speeds as high as 450 m/min.

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
OSHA's voluntary protection program - the rewards are worth the risk, TAPPI JOURNAL, November 1997, Vol. 80(11)

OSHA's voluntary protection program - the rewards are worth the risk, TAPPI JOURNAL, November 1997, Vol. 80(11)

Journal articles
Open Access
Shop talk: Moisture profile management, TAPPI JOURNAL, November 1997, Vol. 80(11)

Shop talk: moisture profile management, TAPPI JOURNAL, November 1997, Vol. 80(11)

Journal articles
Open Access
Maintenance and repair of energy-efficient integral horsepower low-voltage motors, TAPPI JOURNAL, November 1997, Vol. 80(11)

Maintenance and repair of energy-efficient integral horsepower low-voltage motors, TAPPI JOURNAL, November 1997, Vol. 80(11)

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