Analytical estimates of front velocity in the frontal polymerization of thermoset polymers and composites

Aditya Kumar, Yuan Gao, Philippe H. Geubelle

Research output: Contribution to journalArticlepeer-review

Abstract

This note presents approximate analytical expressions for the velocity of the self-propagating reaction front in the frontal polymerization of thermoset polymers and composites. Prior estimates available in the literature for the front velocity have been limited by their applicability to simple reaction kinetics. The improved estimates provided in this work are shown to be applicable to complex reaction kinetics encountered in the frontal polymerization of neat thermoset polymers or fiber-reinforced polymer-matrix composites with a wide range of polymer chemistries, including dicyclopentadiene, cyclooctadiene, acrylates, and epoxies. They are also shown to be applicable to wide range of values of the initial temperature and initial degree of cure of the resin, and of the volume fraction of the reinforcing phase.

Original languageEnglish (US)
Pages (from-to)1109-1118
Number of pages10
JournalJournal of Polymer Science
Volume59
Issue number11
DOIs
StatePublished - Jun 1 2021

Keywords

  • fiber-reinforced polymer composites
  • frontal polymerization
  • reaction-diffusion system
  • thermoset polymers

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Materials Chemistry
  • Polymers and Plastics

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