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The link between the fiber contact zone and the physical properties of paper: A way to control paper properties
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.).ORCID iD: 0000-0003-3611-2250
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0001-8622-0386
2007 (English)In: Journal of composite materials, ISSN 0021-9983, E-ISSN 1530-793X, Vol. 41, no 13, 1619-1633 p.Article in journal (Refereed) Published
Abstract [en]

Paper is a composite of fibers, air and additives where the fiber/fiber joints keep the network structure together. A study was undertaken to establish the link between the properties of the contact zone between fibers and paper performance under mechanical loading. The contact zone between fibers was investigated using light microscopy. A staining technique was developed for evaluating the influence of surface charge on fiber/fiber joint strength. The joint strength was linearly correlated with paper tensile strength and with the average amplitude of the acoustic events measured by acoustic emission testing. The fiber surface conformability was improved by changing the surface charge. This resulted in increased fiber/fiber joint strength as the relative contact area became larger. Increasing the molecular adhesion in the contact zone with the aid of strength additives also improved the fiber/fiber joint strength.

Place, publisher, year, edition, pages
2007. Vol. 41, no 13, 1619-1633 p.
Keyword [en]
acoustic emission, wood fibers, bonded area, bonding strength, chemical bonds, paper strength, regenerated cellulose, kraft pulps, strength, joint
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:kth:diva-16863DOI: 10.1177/0021998306069875ISI: 000248687500005Scopus ID: 2-s2.0-34347351149OAI: oai:DiVA.org:kth-16863DiVA: diva2:334906
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved
In thesis
1. Fibre/fibre joints: Their characterization and influence on different paper strength properties
Open this publication in new window or tab >>Fibre/fibre joints: Their characterization and influence on different paper strength properties
2006 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: KTH, 2006. ix, 71 p.
Series
Trita-FPT-Report, ISSN 1652-2443 ; 2006:29
National Category
Paper, Pulp and Fiber Technology
Identifiers
urn:nbn:se:kth:diva-11882 (URN)
Public defence
2006-10-27, SCA salen, Mittuniversitetet, Holmgatan 10, Sundsvall, 10:00 (English)
Supervisors
Note
QC 20100923Available from: 2010-01-19 Created: 2010-01-19 Last updated: 2010-09-23Bibliographically approved

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Kulachenko, ArtemWågberg, Lars

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Torgnysdotter, AnnsofieKulachenko, ArtemWågberg, Lars
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