Thermoplastic hybrid-matrix composites prepared by a room-temperature vacuum infusion and in-situ polymerisation process

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Abstract

This work explores a novel route for the fabrication of hybrid-matrix composites based on a recently developed liquid thermoplastic acrylic resin. This liquid resin was modified using a poly(phenylene ether) (PPE) oligomer with vinyl functionality. Glass fibre-reinforced laminates based on acrylic and PPE-modified acrylic matrices were produced by a room-temperature vacuum infusion and in-situ polymerisation process. Comparative assessments of their mechanical performance and mode-I interlaminar fracture behaviour revealed enhanced matrix ductility, transverse flexural properties and initiation fracture toughness. Crazing was identified as the dominant mechanism for improved resistance to crack initiation.
Original languageEnglish
Article number100439
JournalComposites Communications
Volume22
Early online date24 Aug 2020
DOIs
Publication statusPublished - Dec 2020

Keywords

  • Polymer-matrix composite
  • Hybrid matrix
  • Liquid thermoplastic resin
  • Mechanical properties
  • Resin infusion
  • Fibre-reinforced composite

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