Creep of wet paper

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Abstract

We have studied the creep behavior of wet pilot papers made from both mechanical and chemical furnishes. Qualitatively the behavior looks similar to the one observed for dry sheets. However, more careful analysis reveals a kind of a transition in the dynamic creep behavior at moisture content where free water is expected to appear in the fiber network. Chemical furnish leads to higher creep rates than mechanical ones. We fitted the measured creep behavior to a dynamical rheology model based on the master-curve formalism. The model was used to extrapolate tension of a running web in the pilot-scale testing device. We found quite good agreement between the simulated and measured tension values.
Original languageEnglish
Title of host publication61st Appita Annual Conference & Exhibition
Subtitle of host publicationIncorporating 2007 International Paper Physics Conference
EditorsWarren Batchelor
Place of PublicationVictoria, Australia
PublisherAppita
Pages179-183
Number of pages5
ISBN (Print)978-0-9757469-2-8
Publication statusPublished - 2007
MoE publication typeA4 Article in a conference publication
Event2007 International Paper Physics Conference - Gold Coast Convention & Exhibition Centre, Gold Coast, Australia
Duration: 6 May 200710 May 2007

Conference

Conference2007 International Paper Physics Conference
CountryAustralia
CityGold Coast
Period6/05/0710/05/07

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  • Cite this

    Ketoja, J., Tanaka, A., Asikainen, J., & Lehti, S. (2007). Creep of wet paper. In W. Batchelor (Ed.), 61st Appita Annual Conference & Exhibition: Incorporating 2007 International Paper Physics Conference (pp. 179-183). Appita.