Effect of pH on the gelation time of hexylene-bridged polysilsesquioxanes

Douglas A. Loy, Brian Mather, Andrei R. Straumanis, Colleen Baugher, Duane A. Schneider, Arturo Sanchez, Kenneth J. Shea

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

The effect of pH on the gelation time of hexylene-bridged polysilsesquioxanes was determined with the sol-gel polymerization of 1,6-bis(trimethoxysilyl)hexane (1) in methanol. Gel times formed a crude bell curve plotted against pH with the longest gel times of 660 h near pH 5. This represents the first systematic study of the effects of pH on the gelation of polysilses-quioxanes.

Original languageEnglish (US)
Pages (from-to)2041-2043
Number of pages3
JournalChemistry of Materials
Volume16
Issue number11
DOIs
StatePublished - Jun 1 2004
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

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