Method for forming pulp fibre yarns developed by a design-driven process

Tiia-Maria Tenhunen, Minna Hakalahti, Jarmo Kouko, Arto Salminen, Tiina Härkäsalmi, Jaakko Pere, Ali Harlin, Tuomas Hänninen (Corresponding Author)

Research output: Contribution to journalArticleScientificpeer-review

Abstract

A simple and inexpensive method for producing water-stable pulp fibre yarns using a deep eutectic mixture composed of choline chloride and urea (ChCl/urea) was developed in this work. Deep eutectic solvents (DESs) are eutectic mixtures consisting of two or more components that together have a lower melting point than the individual components. DESs have been previously studied with respect to cellulose dissolution, functionalisation, and pre-treatment. This new method uses a mixture of choline chloride and urea, which is used as a swelling and dispersing agent for the pulp fibres in the yarn-forming process. Although the pulp seemed to form a gel when dispersed in ChCl/urea, the ultrastructure of the pulp was not affected. To enable water stability, pulp fibres were crosslinked by esterification using polyacrylic acid. ChCl/urea could be easily recycled and reused by distillation. The novel process described in this study enables utilisation of pulp fibres in textile production without modification or dissolution and shortening of the textile value chain. An interdisciplinary approach was used, where potential applications were explored simultaneously with material development from process development to the early phase prototyping.
Original languageEnglish
Pages (from-to)2492-2503
JournalBioResources
Volume11
Issue number1
DOIs
Publication statusPublished - 2016
MoE publication typeA1 Journal article-refereed

Fingerprint

Pulp
Yarn
Choline
Urea
Eutectics
urea
Fibers
chloride
carbopol 940
Textiles
Dissolution
dissolution
interdisciplinary approach
Water
Esterification
ultrastructure
distillation
Cellulose
Distillation
swelling

Keywords

  • softwood pulp
  • fibre yarn
  • deep eutectic solvent
  • polyacrylic acid

Cite this

Tenhunen, Tiia-Maria ; Hakalahti, Minna ; Kouko, Jarmo ; Salminen, Arto ; Härkäsalmi, Tiina ; Pere, Jaakko ; Harlin, Ali ; Hänninen, Tuomas. / Method for forming pulp fibre yarns developed by a design-driven process. In: BioResources. 2016 ; Vol. 11, No. 1. pp. 2492-2503.
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Method for forming pulp fibre yarns developed by a design-driven process. / Tenhunen, Tiia-Maria; Hakalahti, Minna; Kouko, Jarmo; Salminen, Arto; Härkäsalmi, Tiina; Pere, Jaakko; Harlin, Ali; Hänninen, Tuomas (Corresponding Author).

In: BioResources, Vol. 11, No. 1, 2016, p. 2492-2503.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Tenhunen, Tiia-Maria

AU - Hakalahti, Minna

AU - Kouko, Jarmo

AU - Salminen, Arto

AU - Härkäsalmi, Tiina

AU - Pere, Jaakko

AU - Harlin, Ali

AU - Hänninen, Tuomas

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KW - fibre yarn

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KW - polyacrylic acid

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