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MECHANICAL PULPING PROCESS IMPACT ON FINES PROPERTIES AND SIGNIFICANCE FOR STRENGTH DENSITY RELATIONSHIPS OF BOARD CENTRE LAYERS

  • Anders Moberg
  • , Kristian Goldszer
  • , Carl-Henrik Ljungqvist
  • , Frank Peng
  • , Jonas Hafrén
  • , Dinesh Fernando
  • , Geoffrey Daniel

    Publication: Chapter in Book/Report/Conference proceeding › Conference paper in proceedings › peer-review

    Abstract

    The fines character impact on sheet strength and density was studied by isolating fines from five mechanical pulps, adding them to the same base fibre fraction and making hand sheets. A threefold difference in strength contribution was found depending on fines character. Flow cytometry as used as a rapid method to quantify shape factor and size distribution of fines. Varying lignin distribution in different size classes of fines was detected with an automated fluorescence microscope.
    Original languageEnglish
    Title of host publicationInternational Mechanical Pulping Conference, IMPC 2014
    PublisherVTT, Helsinki
    Number of pages5
    Publication statusPublished - 2014

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