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Journal articles
Magazine articles
Open Access
A new technique for the measurement of show-through mottle of fine paper, TAPPI Journal September 2019

ABSTRACT: Mottling within print-through and show-through is caused by the variability of the local optical properties of the sheet. This mottling is visually disturbing and a mark of poor paper quality. The ability to predict print-through mottle of printed paper by measuring show-through mottle on the unprinted sheet would be a valuable asset for paper machine control.We examined the relationship between print-through mottle and show-through mottle. We worked with nine samples of 60 lb. uncoated fine paper (90 g/m2), from various North American paper companies, that were printed on an offset press, 400K (400% Black), on both sides. A show-through mottle instrumental determination technique was developed using an existing Fast Fourier Transform-based algorithm. The nine samples examined were ranked similarly by the visual evaluation of print-through mottle and by the instrumental determination of show-through mottle. We thus established that show-through on the unprinted sheet can be used as a reliable predictor of print-through, therefore saving time and money for papermakers. We also found a significant two-sidedness in show-through for some of the samples.

Magazine articles
Open Access
Editor's Notes: Paperless or Paper More?, TAPPI JOURNAL, Feb

Editor's Notes: Paperless or Paper More?, TAPPI JOURNAL, February 2005, Vol. 4(2)

Magazine articles
Open Access
Using climate change policies for u.s. pulp and paper industry efficiency, TAPPI JOURNAL, July 2000, Vol. 83(7)

Using climate change policies for u.s. pulp and paper industry efficiency, TAPPI JOURNAL, July 2000, Vol. 83(7)

Magazine articles
Open Access
Shop talk: concerning coefficient of friction, TAPPI JOURNAL, June 2000, Vol. 83(6)

Shop talk: concerning coefficient of friction, TAPPI JOURNAL, June 2000, Vol. 83(6)

Magazine articles
Open Access
A volunteer honored: David J. Bentley Jr., TAPPI JOURNAL, March 2000, Vol. 83(3)

A volunteer honored: David J. Bentley Jr., TAPPI JOURNAL, March 2000, Vol. 83(3)

Magazine articles
Open Access
Solvay paperboard repeats success with pm 2, TAPPI JOURNAL, March 2000, Vol. 83(3)

Solvay paperboard repeats success with pm 2, TAPPI JOURNAL, March 2000, Vol. 83(3)

Magazine articles
Open Access
Industry leaders: jukka harmala leads stora enso into new global age, TAPPI JOURNAL, May 2000, Vol. 83(5)

Industry leaders: jukka harmala leads stora enso into new global age, TAPPI JOURNAL, May 2000, Vol. 83(5)

Magazine articles
Open Access
A personal mount st. helens experience, TAPPI JOURNAL, May 2000, Vol. 83(5)

A personal mount st. helens experience, TAPPI JOURNAL, May 2000, Vol. 83(5)

Magazine articles
Open Access
Nanoparticle prospects & perspectives, TAPPI JOURNAL, May 2000, Vol. 83(5)

Nanoparticle prospects & perspectives, TAPPI JOURNAL, May 2000, Vol. 83(5)

Magazine articles
Open Access
Improved drying at recycled paperboard of clifton, TAPPI JOURNAL, May 2000, Vol. 83(5)

Improved drying at recycled paperboard of clifton, TAPPI JOURNAL, May 2000, Vol. 83(5)

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