Bulky paper with good strength and smoothness? Certainly!

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Abstract

Increasing bulk is the first step toward resource-lean papermaking. Increasing the bulk tends to reduce strength and increase porosity and roughness; however, loss in strength could be compensated for via an increase in the specific strength of bonds. The increase in total surface area can have a positive influence on the porosity and smoothness of the paper. Results suggest that the bulk of fine paper can be increased by 20% and the critical paper properties maintained through selection of the kraft fibre type, control of the degree of hornification, addition of xyloglucan, and use of fines-rich mechanical pulp. In general, the results reported on here suggest that increasing bulk or reducing grammage is a challenging task but can be accomplished through simultaneous application of several unconventional measures.
Original languageEnglish
Pages (from-to)725-731
JournalNordic Pulp and Paper Research Journal
Volume29
Issue number4
DOIs
Publication statusPublished - 2014
MoE publication typeA1 Journal article-refereed

Keywords

  • bulk
  • smoothness
  • echemical pulp
  • TMP
  • fines
  • spraying
  • xyloglucan

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