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Development and evaluation of a high-speed creping simulator for tissue
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
Karlstad Univ, SE-66428 Gruvon, Sweden.;BillerudKorsnas AB, R&D Gruvon, SE-66428 Gruvon, Sweden..
2016 (English)In: Nordic Pulp & Paper Research Journal, ISSN 0283-2631, E-ISSN 2000-0669, Vol. 31, no 3, 448-458 p.Article in journal (Refereed) Published
Abstract [en]

An innovative creping simulator for tissue has been developed to meet the requirements set by both industrial needs, such as speed and process step duration, and research ambitions, such as flexibility for modifications and efficient operation. Some of these factors can be difficult to achieve with the previously introduced simulators. Lower speeds and much longer process step times can jeopardize results when, for instance, the drying time of chemicals is longer and the speed of creping is slower than in a tissue mill. The newly developed simulator has been used to investigate the effects of paper grammage, creping angle, temperature of dryer, speed and the horizontal force experienced during tissue creping. Results show good agreement with results of industrial-scale tissue production, with the exception of shrinkage which was greater. It was observed that the grammage influences the final thickness and the shrinkage of creped sheets, and that creping speed affects the creping frequency, thickness and shrinkage. The temperature of the surface of a sled mimicking the Yankee cylinder was shown to influence creping frequency and thickness. The horizontal friction force during creping appears to increase if drying temperature is lowered.

Place, publisher, year, edition, pages
AB SVENSK PAPPERSTIDNING , 2016. Vol. 31, no 3, 448-458 p.
Keyword [en]
Creping, Test methods, Tissue, Adhesives, Low weight papers, Adhesion, Yankee dryer
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:kau:diva-65094ISI: 000387976000005OAI: oai:DiVA.org:kau-65094DiVA: diva2:1154362
Available from: 2017-11-02 Created: 2017-11-02 Last updated: 2017-11-02Bibliographically approved

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