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Fines-enriched pulp as a strength agent in a CTMP middle ply
RISE - Research Institutes of Sweden, Bioekonomi.ORCID iD: 0000-0003-0385-6202
RISE - Research Institutes of Sweden, Bioekonomi.
Holmen AB.
2018 (English)In: PaperCon 2018: Shaping the future through innovation, TAPPI Press, 2018, article id PA5.2Conference paper, Published paper (Refereed)
Abstract [en]

The objective of this pilot scale trial, was to evaluate fines-enriched pulp (FE-pulp) as a strength agent in amiddle ply of a board product.A typical CTMP-based middle ply was produced on the FEX pilot paper machine. The stock consisted of CTMP,refined hardwood and softwood pulp, and filler. FE-pulp as strength agent was compared with glue pulp, ahighly refined chemical pulp. FEX sheets and hand sheets made of pulp mixtures were evaluated. Also, thedewatering and pressing conditions on the paper machine were compared.The results confirmed the results of earlier experiments with handsheets; FE-pulp used as strength agent showedto be twice as efficient as glue pulp regarding strength properties without impairing the bulk. Further, thedewatering conditions and press dryness's on the paper machine was comparable at these additions. Thus, allthese results imply that addition of FE-pulp can replace the double amount of glue pulp as a strength agent.

Place, publisher, year, edition, pages
TAPPI Press, 2018. article id PA5.2
Keywords [en]
fines-enriched pulp, strength agent, CTMP, chemithermomechanical pulp, paperboard, glue pulp, refining
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:miun:diva-34849ISBN: 978-1-59510-268-3 (print)OAI: oai:DiVA.org:miun-34849DiVA, id: diva2:1260656
Conference
PaperCon 2018, April 15-18, Charlotte, NC, USA
Available from: 2018-10-16 Created: 2018-11-05 Last updated: 2018-11-05Bibliographically approved

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Björk, Elisabeth

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  • en-US
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  • nn-NB
  • sv-SE
  • Other locale
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  • asciidoc
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