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Textile-like materials with foam forming on a paper machine
RISE - Research Institutes of Sweden, Bioeconomy, Papermaking and Packaging.ORCID iD: 0000-0002-2353-086x
RISE - Research Institutes of Sweden, Bioeconomy, Papermaking and Packaging.
2019 (English)In: PaperCon 2019: Proceedings, TAPPI Press, 2019, article id PF3.2Conference paper, Published paper (Other academic)
Abstract [en]

Research has been carried out into the possibility of producing a paper with textile-like characteristics on a paper machine. The furnish used consisted of a mixture of 25% bleached softwood kraft pulp refined to 30 SR, 25% dissolving pulp and 50% synthetic fibres. The latter fraction consisted of 15% sort-cut (4mm) polylactic acid (PLA) fibres and 35% viscose fibres cut to 5-8mm. A commercial surfactant was used as foaming aid and sheets were formed on a pilot machine from a bubbly dispersion (foam forming). A production method was developed in which the synthetic fibres were only injected intermittently into the pulp flow. Sheets containing 35% of 8mm long viscose fibres, 25% kraft pulp, 25% dissolving pulp and 15% of 4mm long PLA fibres were successfully produced. Sheets had good formation with furnish air fractions as low as 25%. The sheets made from the mixture of kraft pulp and synthetic fibres had softness comparable with facial wipes and other tissue products while also having significantly higher tensile strength. Proactive adjustment of the surfactant addition enabled the surface tension and the forming process to be stably maintained during the sudden changes in the fibre feed flows.

Place, publisher, year, edition, pages
TAPPI Press, 2019. article id PF3.2
Keywords [en]
textile; synthetic fibre paper; foam forming; surfactant; paper properties; softness; process analysis
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:ri:diva-40588OAI: oai:DiVA.org:ri-40588DiVA, id: diva2:1366268
Conference
PaperCon 2019. Proceedings of a conference held in Indianapolis, Indiana, USA, 5-8 May 2019
Available from: 2019-10-28 Created: 2019-10-28 Last updated: 2019-10-31Bibliographically approved

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Magnusson, Mikael

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CiteExportLink to record
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v. 2.35.8