Highly-interpenetrated and phase-separated UV-cured interpenetrating methacrylate-epoxide polymer networks: Influence of the composition on properties and microstructure

Caroline Rocco, Feyza Karasu Kilic, Céline Croutxé-Barghorn, X. (Xavier) Allonas, M. Lecompère, G. Riess, Y. Zhang, Ana Catarina C. Esteves, Leendert van der Ven, Rolf van Benthem, G. de With

Research output: Contribution to journalArticleAcademicpeer-review

11 Citations (Scopus)
3 Downloads (Pure)

Abstract

Interpenetrating Polymer Networks (IPNs) based on a polybutadiene dimethacrylate and a dicyclohexylepoxide mixed at different ratios have been synthesized by photopolymerization. To obtain a complete overview of the formation and phase separation of these IPNs, and to predict the final morphology, miscibility before and after polymerization has been studied. By varying the methacrylate/epoxide ratio, it was possible to move from a miscible and highly-interpenetrated system to a totally immiscible and phase-separated one. Miscibility effects on the polymerization kinetics of both polymer networks, final properties and surface morphology were investigated by RT-FTIR, DMA, AFM and AFAM. This overall characterization gives a better understanding of the formation and phase separation process in this system, depending on the mixture composition.

Original languageEnglish
Pages (from-to)17-27
Number of pages11
JournalMaterials Today Communications
Volume6
DOIs
Publication statusPublished - 1 Mar 2016

Keywords

  • Morphology
  • Phase diagram
  • Phase-separation
  • UV-cured IPNs

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