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Surface modification of wood fibres using the polyelecrolyte multilayer technique: Effects on fibre joint and paper strength properties
Royal Institute of Technology, Stockholm.
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för naturvetenskap. (FSCN – Fibre Science and Communication Network)
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för naturvetenskap.
2006 (engelsk)Inngår i: Industrial & Engineering Chemistry Research, ISSN 0888-5885, E-ISSN 1520-5045, Vol. 45, nr 15, s. 5279-5286Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Polyallylamine hydrochloride (PAH) and poly(acrylic acid) (PAA) were used to modify wood fibers by means of the polyelectrolyte multilayer (PEM) technique. Hand sheets and fiber crosses were prepared from the PEM-treated fibers. The sheet strength and fiber-fiber joint strength were evaluated, and the contact zone of the fiber-fiber joint was characterized using a recently developed staining technique. The nonjoined surface area of the paper sheets was estimated by determining nitrogen adsorption via BET analysis, and the results were compared with those of the light scattering measurements frequently used to determine the degree of “bonding” in paper. Fourier transform infrared-attenuated total reflectance (FTIR-ATR) spectroscopy was used to analyze chemical effects. It was shown that the PEM treatment of fibers increased the strength properties of the sheets through an increase in the number of fiber-fiber joints, increasing the degree of contact in a fiber-fiber joint and creating covalent bonding in the fiber-fiber joint.

sted, utgiver, år, opplag, sider
2006. Vol. 45, nr 15, s. 5279-5286
Emneord [en]
fibre joints
HSV kategori
Identifikatorer
URN: urn:nbn:se:miun:diva-832DOI: 10.1021/ie060226wISI: 000238973200014Scopus ID: 2-s2.0-33746907494Lokal ID: 4574OAI: oai:DiVA.org:miun-832DiVA, id: diva2:25864
Tilgjengelig fra: 2008-09-30 Laget: 2008-09-30 Sist oppdatert: 2018-11-09bibliografisk kontrollert

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