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Journal articles
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Open Access
Determining operating variables that impact internal fiber bonding using Wedge statistical analysis methods, TAPPI Journal November 2021

ABSTRACT: In this study, Wedge statistical analysis tools were used to collect, collate, clean up, plot, and analyze several years of operational data from a commercial paper machine. The z-direction tensile (ZDT) and Scott Bond tests were chosen as representative of fiber bond strength. After analyzing thousands of operational parameters, the ones with the most significant impact upon ZDT involved starch application method, starch penetration, and the amount of starch applied. Scott bond was found to be significantly impacted by formation and refining. Final calendering of the paper web has also shown an impact on internal fiber bonding.

Journal articles
Magazine articles
Open Access
Editorial: Seshadri Ramkumar: Nonwovens specialist and TTU professor joins TJ Editorial Board, TAPPI Journal October 2021

ABSTRACT: TAPPI and the TAPPI JOURNAL (TJ) editorial staff would like to welcome a new member to the TJ Editorial Board, Seshadri “Ram” Ramkumar, Ph.D., a professor in the Department of Environmental Toxicology at Texas Tech University (TTU) in Lubbock, TX. Readers will be familiar with Ram as a frequent contributor of guest editorials in TAPPI Journal on the topic of nonwovens.

Journal articles
Magazine articles
Open Access
Editorial: ”Didn’t know we knew that” • Rediscovering the fundamentals, TAPPI Journal April 2022

ABSTRACT: Access to today’s extensive electronic information archives is certainly an amazing feat of technology. Nonetheless, it can sometimes be difficult to find pulp and paper industry process-specific resources that are easily digestible and tailored to help us in our day-to-day work.

Journal articles
Magazine articles
Open Access
Editorial: Innovation: How useful is it?, TAPPI Journal February 2022

ABSTRACT: Innovation has become a genuine buzz word to promote one’s product or company, to highlight its strength, and to enhance its visibility. The use of words like novel, innovative, etc., help with market-ability, enhance economic strength, and elevate initial public offering (IPO) status. Genuine innovation helps with improving lifestyles, health, the environment, and the economy.

Journal articles
Magazine articles
Open Access
Editorial: Special issue showcases new additive approaches for a lignocellulose-based future, TAPPI Journal January 2024

ABSTRACT: Lignocellulose-derived materials are inherently renewable and are of benefit not only through their recyclability and biodegradability, but also from carbon sequestration during the production of the base raw material. With regulatory agencies tightening restrictions and consumer habits slowly shifting, the paper industry is well positioned to fill a market need for renewable bio-based materials. Although the inherent benefits of lignocellulose-based products are many, all too often, the end-product does not meet the required performance or cost in use desired by end-users. This creates obstacles for a more renewable economy that relies less on petroleum-derived products.

Journal articles
Magazine articles
Open Access
Improving monochloramine performance with innovative sensor-controlled dosing, TAPPI Journal January 2024

ABSTRACT: Monochloramine (MCA) has become one of the major oxidant chemistries for biological control in the paper industry. Feedback control, such as oxidative-reductive potential (ORP), is often used to provide better control of a dosing scheme. The trademarked Ackumen MCA-i is a chemical-digital solution that uses artificial intelligence with actionable insights to stabilize the wet-end process, providing improved performance and reduction in overall chemical costs. Accurate sensor-controlled dosing can be tied to multiple inputs, such as production rates, grade changes, pH, ORP, chlorine residual, freshwater usage, and more. In this study, a case history will be presented to demonstrate how this technology provided a more consistent MCA molecule throughout the process, resulting in a higher level of efficacy and reduction in chemical costs.

Journal articles
Magazine articles
Open Access
Editorial: Surface energy in printing is the focus of runner-up, TAPPI Journal May 2024

ABSTRACT: The runner-up to the 2023 TAPPI Journal Best Re-search Paper was “Surface energy considerations for offset printing of coated paper and pa-perboard,” co-authored by Janet Pres-ton, Andrew Findlay, Jonathan Keen, and Eli Gaskin of Imerys Minerals in Par, England, UK. Their research appeared in the November 2023 special coating issue organized by TAPPI Journal Editorial Board Members Steve Ottone, Gregg Reed, and Greg Welsch.

Journal articles
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Open Access
Remembering Dr. Peter W. Hart: Dedicated leader, mentor, friend, TAPPI Journal May 2024

ABSTRACT: Dr. Peter W. Hart, a true pioneer in the pulp and paper industry, passed away on May 11, 2024. His legacy will be celebrated for many years. As we reflect on Hart’s remarkable life and achievements, we celebrate his positive impact on TAPPI and the industry. He was a beloved TAPPI member, editor, author, instructor, and mentor.

Journal articles
Open Access
Editorial: TAPPI Journal research themes in 2025 highlighted sustainability and process efficiency, TAPPI Journal February 2026

Each year, the pages of TAPPI Journal offer more than a collection of technical papers -- they provide a sanpshot of where our industry is appling its intellectual energy in research. Looking back at the January through November 2025 issues, there was a distant focus on improving materials performance, strenghtening process efficiency, and integrating sustainability considerations into existing manucaturing processes. A majority of this focus was centered on packaging for a variety of applications.

Journal articles
Magazine articles
Open Access
Effects of metal surface morphology on deposition behavior of microstickies from papermaking white water, TAPPI Journal July 2023

ABSTRACT: Deposition of small adhesive particles, called microstickies, onto pulp processing equipment and paper machines causes quality and operational problems for recycling mills. The factors that control deposition of microstickies onto surfaces of metal parts remain unclear. In this work, aluminum surfaces with a range of surface roughness were exposed to slurries containing microstickies. The deposition results showed that flat surfaces promote the aggregation and deposition of microstickies particles. Uneven surfaces tended to favor deposition of smaller microstickies, 0.2•1 µm, which may be related to greater contact area presented by the rougher surface. This work provides insights into the deposition of microstickies.

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