Extensible Cellulosic Fibre-polyurethane Composites Prepared via the Papermaking Pathway

Alexey Vishtal, Alexey Khakalo, Elias Retulainen (Corresponding Author)

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

Formable papers can be used as an alternative to rigid plastics for making 3D shapes for packaging applications. However, commercial use of formable paper is currently limited, due to its poor extensibility. Cellulosic fibres can be combined with polyurethanes to improve the deformability of resulting fibre-polymer composites. This work describes the effect of spray and wet-end addition of polyurethane dispersions to paper to enhance the extensibility and formability of paper. The increase in extensibility was directly proportional to the amount of polyurethane retained in the paper.
Absolute improvements in extensibility were as high as 4 to 6 percentage points. Improved extensibility resulted in better formability of paper, which eventually could allow it to compete with plastic packaging in certain applications.
Original languageEnglish
Pages (from-to)5360-5376
Number of pages17
JournalBioResources
Volume13
Issue number3
Publication statusPublished - 23 May 2018
MoE publication typeA1 Journal article-refereed

Fingerprint

Polyurethanes
Papermaking
Formability
plastic
Fibers
Packaging
Composite materials
spray
Plastics
polymer
Dispersions
Polymers
packaging
fibre
effect

Keywords

  • Paper
  • formability
  • bonding
  • fibre
  • polyurethane

Cite this

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Extensible Cellulosic Fibre-polyurethane Composites Prepared via the Papermaking Pathway. / Vishtal, Alexey; Khakalo, Alexey; Retulainen, Elias (Corresponding Author).

In: BioResources, Vol. 13, No. 3, 23.05.2018, p. 5360-5376.

Research output: Contribution to journalArticleScientificpeer-review

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