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Journal articles
Open Access
Moisture performance of silica-paper hybrids in the hygroscopic range, TAPPI Journal March 2026

ABSTRACT: Vapor retarders, crucial in building constructions, are traditionally made from plastic-based materials, raising environmental concerns due to the use of fossil materials. This study explores the potential of functionalized papers, particularly silica-paper hybrids, as sustainable alternatives. This work delves into the moisture properties of sol-gel coated linter papers, considering the water vapor permeability and physisorption behavior following DIN EN ISO 12572 and DIN EN ISO 12571. The study addresses hysteresis, noting the lower hysteresis of mesoporous coatings in comparison to dense coatings and implying benefits in moisture release. Findings underscore the need for a nuanced understanding of coating characteristics and their impact on sorption. In order to better assess the relationship between the coating content of the papers and their specific sorption properties, further investigations, such as the measurement of specific surface properties (e.g., specific surface area), are required. The findings of the water vapor diffusion resistance measurement study demonstrate a correlation between the observed resistance and the vapor levels. The results show that the water vapor diffusion resistance is elevated at lower vapor levels when compared to higher levels. This particular material behavior is typically employed within the construction industry for the utilization of moisture-variable water vapor retarders. The silica-paper hybrids exhibit a response that indicates the potential for advancement into a moisture-variable water vapor barrier.

Journal articles
Open Access
Effects of in-plane straining on the out-of-plane delamination properties of paperboard, TAPPI Journal March 2026

ABSTRACT: Delamination strength is an essential property for the creasing and folding operations of paperboard into boxes. Due to fixation during creasing, the paperboard suffers in-plane straining. In the present study, we aim to increase our understanding of how in-plane straining affects the delamination properties of paperboard. Samples of paperboard were first strained in in-plane tensile loading, both in the machine-direction and in the cross-direction. Afterward, the paperboard is loaded in the out-of-plane (ZD) direction. Three different grades of commercial paperboard from two major manufacturers were tested in a climate-controlled lab. The results showed similar results for all grades of paperboard, with the delamination strength and the out-of-plane stiffness decreasing virtually linearly with pre-straining. With about 5% plastic in-plane straining, the strength was reduced by about 20% and the stiffness decreased by more than 50% for all grades of paperboard. Normalizing the strength and the stiffness with their values without pre-straining reveals virtually the same relation for all grades of paperboard. If proven to be a general result, this will prove valuable in reducing the demand for experiments.

Journal articles
Open Access
Studies of Anisotropic Permeability with Applications to Wat

Studies of Anisotropic Permeability with Applications to Water Removal in Fibrous Webs, 1992 Nonwovens Conference Proceedings

Journal articles
Magazine articles
Open Access
Editorial: Vamsi Jasti: New nonwovens expert joins TAPPI Journal editorial board, TAPPI Journal July 2020

ABSTRACT: TAPPI and the TAPPI JOURNAL (TJ) editorial staff would like to welcome a new member to the TJ Editorial Board, Vamsi Krishna Jasti, Ph.D., a nonwovens product development scientist and product development manager at Ahlstrom-Munksjo Nonwovens LLC in Windsor Locks, CT, USA. He has more than 10 years of professional and academic experience n the area of fibert processing, product development, nonwovens processing, surface modification, and static electrification in countries ranging from India and Germany to China and the United States.

Journal articles
Open Access
Why to worry about y2k, TAPPI JOURNAL, August 1998, Vol. 81(8)

Why to worry about y2k, TAPPI JOURNAL, August 1998, Vol. 81(8)

Journal articles
Open Access
Using the Internet Effectively, TAPPI JOURNAL, August 1998, Vol. 81(8)

Using the internet effectively, TAPPI JOURNAL, August 1998, Vol. 81(8)

Journal articles
Open Access
The effects of coated magazines on deinking of newsprint after pulping and flotation, TAPPI JOURNAL, December 1998, Vol. 81(12)

The effects of coated magazines on deinking of newsprint after pulping and flotation, TAPPI JOURNAL, December 1998, Vol. 81(12)

Journal articles
Magazine articles
Open Access
Editorial: Marc Foulger: All things papermaking, TAPPI JOUR

Editorial: Marc Foulger: All things papermaking, TAPPI JOURNAL November 2015

Journal articles
Magazine articles
Open Access
Causality of manufacturing processes with significant time

Causality of manufacturing processes with significant time delays, TAPPI JOURNAL November 2015

Journal articles
Magazine articles
Open Access
Desilication of bamboo for pulp production, TAPPI JOURNAL N

Desilication of bamboo for pulp production, TAPPI JOURNAL November 2015

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