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Journal of Materials Science

, Volume 44, Issue 12, pp 3165–3171 | Cite as

UV-cured epoxy coating reinforced with sepiolite as inorganic filler

  • M. SangeranoEmail author
  • E. Pallaro
  • I. Roppolo
  • G. Rizza
Article

Abstract

Epoxy coatings containing sepiolite as inorganic reinforcement was obtained by UV-induced polymerization. An increase in epoxy group conversion was achieved in the presence of the inorganic filler; this was due to the strong interactions between the high density of silanol groups present on the sepiolite surface and the carbocationic growing chain. Improved properties of the cured coatings were achieved such as higher Tg, higher modulus, higher surface hardness. Interface-dominated materials are obtained since the high interfacial area plays a major role in the final composite properties.

Keywords

Dynamic Mechanical Thermal Analysis Sepiolite Photopolymerization Dynamic Mechanical Thermal Analysis Inorganic Filler 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • M. Sangerano
    • 1
    Email author
  • E. Pallaro
    • 1
  • I. Roppolo
    • 1
  • G. Rizza
    • 2
  1. 1.Dipartimento di Scienza dei Materiali e Ingegneria ChimicaPolitecnico di TorinoTorinoItaly
  2. 2.Laboratoire des Solides IrradiésEcole PolytechniquePalaiseau CedexFrance

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