Transparent inorganic/organic copolymers by the sol-gel process: Thermal behavior of copolymers of tetraethyl orthosilicate (TEOS), vinyl triethoxysilane (VTES) and (meth)acrylate monomers

Anna B. Wojcik, Lisa C. Klein

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

Three types of inorganic/organic copolymers have been prepared in a one-step sol-gel process, and their thermal stabilities have been studied. The one-step sol gel process was carried out in mixtures of three monomeric components: HEMA (hydroxyethyl methacrylate)-VTES (vinyl triethoxysilane)-TEOS (tetraethyl orthsilicate), HDDA (hexanediol diacrylate)-VTES-TEOS and GPTA (glycerol propoxy triacrylate)-VTES-TEOS. Copolymers with HEMA, which is able to form a linear organic polymer, were the least thermally stable materials. They lost the highest proportion of weight during heat treatment to 600°C and exhibited the lowest decomposition temperatures. Copolymers with HDDA and GPTA, which are able to form crosslinked organic polymers, had higher decomposition temperatures, and their weight loss during heat treatment to 600°C was small. The skeletal densities of all copolymers increased slightly during heat treatment.

Original languageEnglish (US)
Pages (from-to)77-82
Number of pages6
JournalJournal of Sol-Gel Science and Technology
Volume5
Issue number2
DOIs
StatePublished - Jan 1995

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Ceramics and Composites
  • Materials Chemistry
  • Chemistry(all)
  • Biomaterials

Keywords

  • crosslinked polymers
  • inorganic/organic copolymers
  • linear polymers
  • one-step sol-gel process
  • silica/polyacrylate copolymers

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