Effects of fibre content and textile structure on dynamic-mechanical and shape-memory properties of ELO/flax biocomposites

M. Fejos, J. Karger-Kocsis, S. Grishchuk

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Biocomposites were prepared using epoxidized linseed oil and flax fibre reinforcements in different assemblies. Epoxidized linseed oil was cured by two different anhydrides to check how its thermomechanical properties can be influenced. As reinforcements, nonwoven mat, twill weave and quasi-unidirectional textile fabrics with two different yarn finenesses were used. Their reinforcing effect was determined using dynamic mechanical analysis in flexure. Dynamic mechanical analysis served to determine the glass transition temperature (Tg) also. Shape-memory properties were derived from quasi-unconstrained flexural tests performed near to the Tg of the epoxidized linseed oil and its biocomposites. Flax reinforcement reduced the Tg that was attributed to off-stoichiometry owing to chemical reaction between the hydroxyl groups of flax and anhydride hardener. The shape-memory parameters were moderate or low. They were affected by both textile content and type.

Original languageEnglish
Pages (from-to)1879-1886
Number of pages8
JournalJournal of Reinforced Plastics and Composites
Volume32
Issue number24
DOIs
Publication statusPublished - Dec 2013

Fingerprint

Linseed Oil
Flax
Shape memory effect
Textiles
Anhydrides
Dynamic mechanical analysis
Fibers
Reinforcement
Fiber reinforced materials
Stoichiometry
Hydroxyl Radical
Yarn
Chemical reactions
Oils

Keywords

  • biocomposite
  • epoxidized linseed oil
  • flax reinforcement
  • Shape-memory polymer
  • textile structure

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Polymers and Plastics
  • Materials Chemistry
  • Ceramics and Composites

Cite this

Effects of fibre content and textile structure on dynamic-mechanical and shape-memory properties of ELO/flax biocomposites. / Fejos, M.; Karger-Kocsis, J.; Grishchuk, S.

In: Journal of Reinforced Plastics and Composites, Vol. 32, No. 24, 12.2013, p. 1879-1886.

Research output: Contribution to journalArticle

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