UV-cured coatings based on waterborne resins and SiO2 nanoparticles

  • Anna Di Gianni
  • Roberta Bongiovanni
  • Stefano Turri
  • Flavio Deflorian
  • Giulio Malucelli
  • Giancarlo Rizza
Article
First Online:

Abstract

The UV curing technique in combination with the use of waterborne resins is very attractive since it gives the opportunity to get solid coatings by means of ecofriendly processes. We found that it is possible to use such UV curable water-based formulations as matrices for the preparation of nanocomposites in which the filler is generated in situ by means of the sol–gel chemistry. We prepared silica-based nanocomposites and characterized them comparing their performances with those of the silica-free coatings. Moreover, the article discusses the influence of the addition of a coupling agent between the organic and inorganic phase on the final properties of the nanocomposite.

Keywords

Coatings Nanocomposites Photopolymerization Sol–gel Waterborne Corrosion 
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Notes

Acknowledgments

This work is part of a project founded by the Italian Ministry of Research (PRIN 2005 N° 2005099532). Thanks are due to Dr. M. Tielemans (Cytec, Belgium) for fruitful discussions of the results.

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Copyright information

© FSCT and OCCA 2008

Authors and Affiliations

  • Anna Di Gianni
    • 1
  • Roberta Bongiovanni
    • 1
  • Stefano Turri
    • 2
  • Flavio Deflorian
    • 3
  • Giulio Malucelli
    • 1
  • Giancarlo Rizza
    • 4
  1. 1.Dipartimento di Scienza dei Materiali e Ingegneria ChimicaPolitecnico di TorinoTorinoItaly
  2. 2.Dipartimento di Chimica, Materiali e Ingegneria Chimica “G. Natta”Politecnico di MilanoMilanoItaly
  3. 3.Dipartimento di Ingegneria dei MaterialiUniversità di TrentoTrentoItaly
  4. 4.Laboratoires des Solides IrradiesEcole Polytechnique/CEA (DSM-DRECAM)/CNRS (UMR 7642)Palaiseau CedexFrance

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