Mechanical and thermal characterization of an epoxy foam as thermal layer insulation for a glass fiber reinforced polymer

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Abstract
We have investigated the formulations and curing parameters to obtain an epoxy foam to be used as thermal insulator layer for a glass fiber reinforced polymer (GFRP). A relevant decrease (50%) of the apparent density of the foam was achieved by adding up to 5 wt % of foaming agent without affecting the glass‐transition temperature (Tg). The mechanical properties were inevitably affected by the foaming, but a remarkable reduction down to 30% of the original value of the thermal conductivity was achieved. Morphological analysis by scanning electron microscopy showed a continuous interface between the epoxy GFRP and the foamed layer. © 2018 The Authors. Journal of Applied Polymer Science published by Wiley Periodicals, Inc. J. Appl. Polym. Sci.2018,135, 46864.
Funding Information
  • H2020 European Institute of Innovation and Technology
  • Horizon 2020 Framework Programme
  • Politecnico di Torino (2500S)

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