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Journal articles
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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.

Journal articles
Magazine articles
Open Access
Editorial: Snapshot from the pandemic: TAPPI Journal Editorial Board shares their experiences, TAPPI Journal April 2020

ABSTRACT: In this most serious time of the global COVID-19 pandemic, I and TAPPI staff have been fortunate to work remotely and practice social distancing. The same goes for our Editorial Board. Still, the business of papermaking has continued, and those on our Board who support the industry through their work and research have had to make adjustments. Here, members of the Editorial Board share their experiences of working during the pandemic. As we all anticipate returning to a new normal that once again allows face-to-face interaction, we hope our TAPPI Journal readers stay safe and healthy as we all personally and professionally navigate this challenging time.

Journal articles
Open Access
Commissioning Brownstock Washing Controls for an Evaporator

Commissioning Brownstock Washing Controls for an Evaporator Limited Mill, TAPPI JOURNAL July 2016

Journal articles
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Open Access
Monitoring the free lime content in lime mud using zeta potential, TAPPI JOURANL April 2018

Monitoring the free lime content in lime mud using zeta potential, TAPPI JOURANL April 2018

Journal articles
Magazine articles
Open Access
On the nominal transverse shear strai to characterize the severity of creasing, TAPPI JOURNAL April 2018

On the nominal transverse shear strai to characterize the severity of creasing, TAPPI JOURNAL April 2018

Journal articles
Magazine articles
Open Access
Enzymatic treated viscose fibers functionalized by chitosan, TAPPI JOURNAL August 2018

Enzymatic treated viscose fibers functionalized by chitosan, TAPPI JOURNAL August 2018

Journal articles
Magazine articles
Open Access
Effect of pulper consistency on stickies size distribution, TAPPI JOURNAL August 2018

Effect of pulper consistency on stickies size distribution, TAPPI JOURNAL August 2018

Journal articles
Magazine articles
Open Access
Oil absorption and desorption by polypropylene fibers, TAPPI

Oil absorption and desorption by polypropylene fibers, TAPPI JOURNAL September 2017

Journal articles
Magazine articles
Open Access
Three-dimensional pore structure visualization and character

Three-dimensional pore structure visualization and characterization of paper using X-ray computed tomography, TAPPI JOURNAL September 2017

Journal articles
Magazine articles
Open Access
Effect of surface treatment with biodegradable materials on

Effect of surface treatment with biodegradable materials on properties of linerboard made from old corrugated containers (OCC), TAPPI Journal September 2017

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