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Guest Editorial: Research and development in the post COVID-19 era, TAPPI Journal June 2021

Science and technology occupy prominent roles in solving global problems. The ongoing COVID-19 pandemic has reinforced the importance of science regarding decision-making, saving lives, and safeguarding the environment. While information technology (IT) and IT-based tools have garnered much needed attention in the past few decades, other areas such as manufacturing engineering, biotechnology, and pharmaceuticals are finding their right places in gaining public and political support and attention--thanks to COVID-19! Such public attention has highlighted vulnerabilities due to lack of investments in manufacturing and materials engineering, as well as the need for strategic investments in these areas.

Journal articles
Magazine articles
Open Access
Editorial: Vipin Varma joins TJ Editorial Board as expert on environmental and sustainability topics, TAPPI Journal October 2022

ABSTRACT: TAPPI and the TAPPI JOURNAL (TJ) editorial staff would like to welcome a new member to the TJ Editorial Board, Vipin Varma, Ph.D., who is vice president, Manufacturing Programs, at the National Council of Air and Stream Improvement (NCASI), headquartered in Cary, NC, USA. NCASI develops technical information that is critical for forest products companies to meet and surpass their environmental and sustainability goals. Vipin will provide expertise on environmental, sustainability, air emissions, and water topics relevant to the pulp and paper industry. In his position on the TJ Editorial Board, he succeeds Paul Wiegand, NCASI’s vice president for Water and Chemical Management Programs, who served from 2007 to 2022.

Journal articles
Magazine articles
Open Access
Editorial: Ravi Challa brings tissue, nonwovens, and operational expertise to TJ Editorial Board, TAPPI Journal September 2022

ABSTRACT: TAPPI and the TAPPI JOURNAL (TJ) editorial staff would like to welcome a new member to the TJ Editorial Board, Ravi Challa, Ph.D., who is Research & Development (R&D) manager for Suominen Corporation at the company’s Bethune, SC, facility. There, his primary focus is new product development on wetlaid nonwovens paper machines, from maintaining mature technologies and innovation to discovering patterns in paper machine shutdowns and executing nonwovens product development trials.

Journal articles
Magazine articles
Open Access
Editorial: TAPPI’s 2022 Nanotechnology Conference convenes in Finland, TAPPI Journal June 2022

ABSTRACT: TAPPI’s International Conference on Nano-technology for Renewable Materials was finally held in person this past June 13-17 in Helsinki, and more than 200 attendees gathered to participate in the 36-session program. A total of 24 countries were represented at the event and more than one-third of attendees were first-time participants.

Journal articles
Magazine articles
Open Access
Editorial: New research signals promising future for wet-end options, TAPPI Journal January 2023

ABSTRACT: Welcome to the 2023 special Wet-End Technology issue of TAPPI Journal. All of the papers published in this issue reflect the latest information on wet-end chemistry and are based on preentations from the wet-end chemistry sessions at TAPPICon2022.

Journal articles
Magazine articles
Open Access
Editorial: Progress continues in recovery cycle optimization, TAPPI Journal March 2023

ABSTRACT: Travel came to a halt just before the 2020 International Chemical Recovery Conference (ICRC) was to take place in Brazil. The ICRC was to be co-hosted in 2021 with TAPPI PEERS, but PEERS was eventually cancelled for that year as travel for many had not resumed. In early 2022, The University of Toronto hosted an online meeting in order to bring together the community of researchers and industrial engineers for an ICRC event. At this event, 19 research papers were presented.

Journal articles
Magazine articles
Open Access
Effect of pH and enzymes on strength of recycled fibers during refining, TAPPI JOURNAL July 2018

Effect of pH and enzymes on strength of recycled fibers during refining, TAPPI JOURNAL July 2018

Journal articles
Magazine articles
Open Access
Evaluating hardness and the S-test, TAPPI Journal March 2019

ABSTRACT: The corrugated industry typically quantifies crush resistance using the Concora corrugated medium test (CMT) on fluted medium or flat crush on combined board. These tests compress the materials until the point of complete failure of the flutes. Combined board elastically resists crushing forces until a certain point, the hardness of the structure, while additional load causes permanent damage and deformation. This study investigates how hardness can be measured directly from a load curve collected during CMT (or flat crush) testing and how it varies throughout the North American paper supply. It also explores how hardness corre-lates with the values obtained from the newly developed S-test. This new test method deserves further study as a potentially more appropriate specification for crush resistance of corrugated medium.

Journal articles
Magazine articles
Open Access
Editorial: To paper and beyond at the University of Minnesot

Editorial: To paper and beyond at the University of Minnesota, TAPPI JOURNAL October 2017

Journal articles
Magazine articles
Standards
Open Access
Relating bending stiffness measurements across various free span lengths, TAPPI Journal August 2020

ABSTRACT: Bending stiffness should be an intrinsic property of a material, so it is puzzling that the TAPPI Standard Test Method T 836 “Bending stiffness, four point method” specifies span lengths when testing different types of corrugated fiberboard. These specified spans often limit the samples that can be measured with this method. To better understand the relationship between bending stiffness and span length, we performed measurements on a range of materials at different spans. The results provide a practical tool enabling comparison of bending stiffness measurements made at various span lengths. Additionally, this note discusses several areas that could serve as the foundation for more fundamental work exploring the bending behavior of corrugated board.