Polymer Bulletin

, Volume 24, Issue 2, pp 173–179 | Cite as

A novel technique for preparing organophilic silica by water-in-oil microemulsions

  • P. Espiard
  • J. E. Mark
  • A. Guyot
Article

Summary

A novel technique to prepare ultramicro spherical silica particles containing vinyl groups on their surfaces is presented. This process is a combination of the sol-gel technique and the water-in-oil microemulsion technique in which hydrolysis and condensation of TEOS [Si(OEt)4] and MPS (trimethoxysilylpropylmethacrylate) take place. Spherical silica particles with a size range from 20 to 70 nm were obtained and the surface concentrations of the double bonds per nm2 were from 4 to 7.

Key words

sol-gel silica water-in-oil emulsion microemulsion 

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Copyright information

© Springer-Verlag 1990

Authors and Affiliations

  • P. Espiard
    • 1
  • J. E. Mark
    • 1
  • A. Guyot
    • 2
  1. 1.Department of Chemistry and the Polymer Research CenterUniversity of CincinnatiCincinnatiUSA
  2. 2.Laboratoire des Materiaux OrganiquesCNRSVernaisonFrance

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