Synthesis and characterization of vinyl-bridged polysilsesquioxane sol-gel materials

Stacey A. Yamanaka, Joseph P. Carpenter, Mark D. McClain, Douglas A. Loy

Research output: Contribution to conferencePaper

Abstract

Vinyl-bridged polysilsesquioxane gels were formed through the use of sol-gel polymerization methods. Acid- and base-catalyzed samples were prepared from both the pure cis-(1) and pure trans-(2) isomers of 1, 2-bis(triethoxysilyl)ethylene. Gelation times of the two isomers were compared. The trans monomer 2 formed gels within a week while the cis monomer 1 failed to gel even after several months. Gelation of 1 could be promoted by the addition of a coordinating metal such as palladium. The resulting cis- and trans- vinyl-bridged polysilsesquioxane gels were then processed either by vacuum drying to afford xerogels or by extracting with supercritical carbon dioxide to afford aerogels. These vinyl-bridged polysilsesquioxanes were characterized by SEM, nitrogen sorption porosimetry, solid state 29Si and 13C NMR and x-ray powder diffraction.

Original languageEnglish (US)
Pages568-577
Number of pages10
StatePublished - Dec 1 1995
Externally publishedYes
EventProceedings of the 1995 27th International SAMPE Technical Conference - Albuquerque, NM, USA
Duration: Oct 9 1995Oct 12 1995

Other

OtherProceedings of the 1995 27th International SAMPE Technical Conference
CityAlbuquerque, NM, USA
Period10/9/9510/12/95

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Fingerprint Dive into the research topics of 'Synthesis and characterization of vinyl-bridged polysilsesquioxane sol-gel materials'. Together they form a unique fingerprint.

  • Cite this

    Yamanaka, S. A., Carpenter, J. P., McClain, M. D., & Loy, D. A. (1995). Synthesis and characterization of vinyl-bridged polysilsesquioxane sol-gel materials. 568-577. Paper presented at Proceedings of the 1995 27th International SAMPE Technical Conference, Albuquerque, NM, USA, .