Surface polarity determination of wood fibres after different pre-treatments and bisulphite pulping

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dc.contributor.authorMeincken, M.en_ZA
dc.contributor.authorMatyumza, N. C.en_ZA
dc.date.accessioned2011-05-15T15:55:11Z
dc.date.available2011-05-15T15:55:11Z
dc.date.issued2008
dc.descriptionCITATION: Meincken, M. & Matyumza, N. C. 2008. Surface polarity determination of wood fibres after different pre-treatments and bisulphite pulping. South African Journal of Science, 104(11-12):453-456.
dc.descriptionThe original publication is available at https://journals.co.za
dc.description.abstractTHE SURFACE POLARITY OF PULP FIBRES originating from four different wood species commonly used for pulping in South Africa has been determined after various pre-treatments, and after magnesium bisulphite pulping. The presence as well as the distribution of polar groups on the fibre surface strongly affects inter-fibre bonding in paper. Bonding consists mostly of hydrogen bonds between free hydroxyl groups on the fibre surface. Surface polarity was examined by atomic force microscopy in pulsed-force mode. This technique allows the imaging of the polarity of a surface with a nanometre-scale molecular resolution. It is thus sensitive to individual functional groups, mostly hydrophilic hydroxyl groups. Polarity differences between the various wood species have been observed. We compare these observations with the varying pulp quality that arises from the pulp composition. Improvement in pulp quality may be possible if fibre surface properties are used as guidance criteria for the choice of a specific pre-treatment method.
dc.description.urihttps://journals.co.za/content/sajsci/104/11-12/EJC96743
dc.description.versionPublisher's version
dc.format.extent4 pages
dc.identifier.citationMeincken, M. & Matyumza, N. C. 2008. Surface polarity determination of wood fibres after different pre-treatments and bisulphite pulping. South African Journal of Science, 104(11-12):453-456
dc.identifier.issn1996-7489 (online)
dc.identifier.issn0038-2353 (print)
dc.identifier.urihttp://hdl.handle.net/10019.1/9626
dc.language.isoen_ZAen_ZA
dc.publisherAcademy of Science for South Africa
dc.rights.holderAcademy of Science for South Africa
dc.subjectSulfite pulping process
dc.subjectPapermaking
dc.subjectWood
dc.titleSurface polarity determination of wood fibres after different pre-treatments and bisulphite pulpingen_ZA
dc.typeArticle
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