4.6 Article

A dual functional epoxy material with autonomous damage indication and self-healing

Journal

RSC ADVANCES
Volume 6, Issue 69, Pages 65067-65071

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra13519f

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Funding

  1. Natural Science Foundation of China [51573172, 11405149, 51401187]
  2. Director's Funds of China Academy of Engineering Physics [SJZ201506]

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Autonomic indication of mechanical damage and self-healing epoxy materials was conducted using 2',7'-dichlorofluorescein (DCF) and glycidyl methacrylate (GMA) solution. When mechanical damage occured, the released DCF reacted with the amine group in the crack plane to sense the damage colorimetrically, and the GMA rebound the cracks in the epoxy matrix by chemical or physical interaction.

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