Gelation of siloxane cross-linked organic molecules

A. Vainrub, F. Devreux, M. Sarkar, P. D. Palasz, A. N. Burgess

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


We have studied by 29Si NMR and small angle neutron scattering the cross-linking by formation of siloxane bridges of two amino-epoxy-silane molecules at different concentration in acidic water. We relate our observations to the fact that one of the studied systems never gels, while the second one displays a concentration threshold for gelation that is accounted for by percolation theory.

Original languageEnglish (US)
Pages (from-to)279-285
Number of pages7
JournalJournal of Sol-Gel Science and Technology
Issue number3
StatePublished - 1996
Externally publishedYes


  • Gelation
  • NMR
  • SANS
  • Siloxane cross-linking
  • Sol-gel process

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • General Chemistry
  • Biomaterials
  • Condensed Matter Physics
  • Materials Chemistry


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