Use of fine fibre cellulose for reinforcing paper

Marianna Laka, Marite Skute, Inese Filipova, Velta Fridrihsone, Uldis Grinfelds, Juris Zoldners, Martins Spade, Igors Sivacovs

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

In various production processes, for example, in the production of disposable absorbent underwear, a large amount of fine fibre cellulose results as a by-product. Our objective was to obtain from it nanocellulose gels for using them in papermaking for reinforcing paper. Fine fibre cellulose nanoparticle gels were obtained by the thermocatalytic destruction method developed at the Laboratory of Cellulose of the Latvian State Institute of Wood Chemistry, followed by their dispersion, at the concentration of 8%, in water medium in a ball mill. A part of the obtained gels was used as filler in paper sheets produced from bleached softwood kraft pulp. The other part was used for obtaining coatings, which were cast on both sides of paper sheets produced from recycled paper by the Ligatne Paper Mill (Latvia). The investigations have shown that nanocellulose fillers improve the air resistance and mechanical properties of paper sheets. The coatings considerably increase the air resistance of paper sheets, although they decrease the tensile index in dry and wet states.

Original languageEnglish
Pages (from-to)113-117
Number of pages5
JournalCellulose Chemistry and Technology
Volume54
Issue number1-2
DOIs
Publication statusPublished - 2020
Externally publishedYes

Keywords

  • Air resistance
  • Burst index
  • Fine fibre cellulose
  • Nanocellulose
  • Tensile index

Field of Science

  • 1.4 Chemical sciences
  • 2.8 Environmental biotechnology
  • 2.5 Materials emgineering
  • 2.9 Industrial biotechnology

Publication Type

  • 1.1. Scientific article indexed in Web of Science and/or Scopus database

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