Journal of Materials Science

, Volume 42, Issue 9, pp 3230–3237 | Cite as

The effect of ormosil nano-particles on the toughness of a polyester resin

  • David A. JessonEmail author
  • Paul A. Smith
  • John N. Hay
  • John F.  Watts


Organic–inorganic hybrid nano-particles have been synthesized via a modified Stöber method. Nano-particles have been prepared from silica precursors with different organic functionalities. Methyl, ethyl, vinyl and phenyl modified silicas have been synthesized with a view to using these particles as modifiers for polymers and polymer matrix composites. Nano-composites have been produced using polyester as a matrix. The effect of the nano-particles on the toughness of the polyester has been investigated and it is shown that the incorporation of nano-particles leads to an improvement in toughness. For the methyl, ethyl and vinyl ormosils (organically modified silicas) the improvement is minor. The phenyl ormosil gives a greater improvement. This is attributed to different toughening mechanisms.


Crack Length Fumed Silica Compact Tension Polyester Resin Polymer Matrix Composite 
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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • David A. Jesson
    • 1
    Email author
  • Paul A. Smith
    • 1
  • John N. Hay
    • 2
  • John F.  Watts
    • 1
  1. 1.UniS Materials Institute, School of EngineeringUniversity of SurreyGuildford, SurreyUK
  2. 2.UniS Materials Institute, School of Biomedical and Molecular SciencesUniversity of SurreyGuildford, SurreyUK

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