Improving the wet web strength and runnability

E. Retulainen; K. Salminen; H. Lindqvist; A. Oksanen; Anna Sundberg

Improving the wet web strength and runnability

E. Retulainen (Corresponding author), K. Salminen, H. Lindqvist, A. Oksanen, Anna Sundberg

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

Abstract

This paper presents recent runnability research carried out in laboratory and pilot scale. Factors affecting adhesion, tensile strength, tension and residual tension after relaxation of wet web were studied. Adhesion of the web to surfaces was found to be - not only furnish specific - but also dependent on the temperature, dry solids content, chemical properties and contamination of the sur-face. Wet web strength has been shown to be a property even more sensitive to papermaking vari-ables than the dry strength. In addition to fibre and fines properties, also several chemical addi-tives have been found to improve the wet web strength. Also surfactant was found to have a con-siderable positive effect on wet web due to in-creased dry solids content after wet press. In-creased tension holding capability was found to require improved fibre network structure.

Original language	English
Title of host publication	65th Appita Annual Conference and Exhibition, Rotorua New Zealand 10-13 April 2011
Subtitle of host publication	Conference Technical Papers
Publisher	Appita
Pages	57-63
ISBN (Electronic)	978-0-95774699-5
Publication status	Published - 10 Apr 2011
MoE publication type	A4 Article in a conference publication
Event	65th Appita Annual Conference and Exhibition: Innovate for the Future - Rotorua, New Zealand Duration: 10 Apr 2011 → 13 Apr 2011 Conference number: 65

Conference

Conference	65th Appita Annual Conference and Exhibition
Country	New Zealand
City	Rotorua
Period	10/04/11 → 13/04/11

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Retulainen, E., Salminen, K., Lindqvist, H., Oksanen, A., & Sundberg, A. (2011). Improving the wet web strength and runnability. In 65th Appita Annual Conference and Exhibition, Rotorua New Zealand 10-13 April 2011: Conference Technical Papers (pp. 57-63). Appita. https://search.informit.com.au/documentSummary;dn=302408418944472;res=IELHSS

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Retulainen, E , Salminen, K, Lindqvist, H, Oksanen, A & Sundberg, A 2011, Improving the wet web strength and runnability. in 65th Appita Annual Conference and Exhibition, Rotorua New Zealand 10-13 April 2011: Conference Technical Papers. Appita, pp. 57-63, 65th Appita Annual Conference and Exhibition, Rotorua, New Zealand, 10/04/11. <https://search.informit.com.au/documentSummary;dn=302408418944472;res=IELHSS>

Improving the wet web strength and runnability. / Retulainen, E. (Corresponding author); Salminen, K.; Lindqvist, H.; Oksanen, A.; Sundberg, Anna.

65th Appita Annual Conference and Exhibition, Rotorua New Zealand 10-13 April 2011: Conference Technical Papers. Appita, 2011. p. 57-63.

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

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