Quantification of the Impact of Fibre Flexibilization and Secondary Fines on Tensile Strength Gain after Refining

Daniel Mandlez*, Sarah Koller, Rene Eckhart, Wolfgang Bauer, Ulrich Hirn

*Korrespondierende/r Autor/in für diese Arbeit

Publikation: Beitrag in Buch/Bericht/KonferenzbandBeitrag in einem Konferenzband

Abstract

Within this research activity unbleached softwood kraft pulp was refined with a lab scale disc refiner and a PFI-Mill by use of different refining intensities. After refining, the fines fraction was separated by a lab scale pressure screen. For each refining configuration and intensity hand sheets were built with and without fines to obtain values for the breaking length. Thereby it was possible to calculate and quantify the tensile gain achieved on one hand by secondary fines and on the other hand by internal and external fibrillation of the fiber itself.
Originalspracheenglisch
TitelProgress in Paper Physics Seminar 2020
UntertitelAbstract Book of the PPPS2020 Seminar
Redakteure/-innenJarmo Kouko, Jani Lehto, Tero Tuovinen
Herausgeber (Verlag)VTT Technical Research Centre of Finland
Seiten169-174
ISBN (elektronisch)978-951-38-8736-0
ISBN (Print)978-951-38-8738-4
DOIs
PublikationsstatusVeröffentlicht - Sep 2020
Veranstaltung2020 Progress in Paper Physics Seminar - Original Sokos Hotel Alexandra, Hybrider Event, Finnland
Dauer: 1 Sep 20203 Sep 2020
https://www.jyu.fi/en/congress/ppps2020

Publikationsreihe

NameVTT Technology
Band378

Konferenz

Konferenz2020 Progress in Paper Physics Seminar
KurztitelPPPS 2020
LandFinnland
OrtHybrider Event
Zeitraum1/09/203/09/20
Internetadresse

Schlagwörter

  • Mahlung
  • Festigkeitseigenschaften
  • PFI
  • Scheibenrefiner
  • Feinstoff

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