Chapter 6. Sol–Gel Processing of Hybrid Organic–Inorganic Materials Based on Polysilsesquioxanes

  1. Prof. Dr. Guido Kickelbick
  1. Douglas A. Loy1,2

Published Online: 19 FEB 2007

DOI: 10.1002/9783527610495.ch6

Hybrid Materials: Synthesis, Characterization, and Applications

Hybrid Materials: Synthesis, Characterization, and Applications

How to Cite

Loy, D. A. (2006) Sol–Gel Processing of Hybrid Organic–Inorganic Materials Based on Polysilsesquioxanes, in Hybrid Materials: Synthesis, Characterization, and Applications (ed G. Kickelbick), Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, Germany. doi: 10.1002/9783527610495.ch6

Editor Information

  1. Technische Universität Wien, Institut für Materialchemie, Getreidemarkt 9/165, 1060 Wien, Austria

Author Information

  1. 1

    Polymers and Coatings Group MS E549, Los Alamos National Laboratory, Los Alamos, NM 87545, USA

  2. 2

    Dept Materials Science & Engineering, University of Arizona, Tucson, AZ 85721, USA

Publication History

  1. Published Online: 19 FEB 2007
  2. Published Print: 18 DEC 2006

ISBN Information

Print ISBN: 9783527312993

Online ISBN: 9783527610495

SEARCH

Keywords:

  • hybrid materials;
  • sol–gel processing;
  • hybrid organic–inorganic materials;
  • polysilsesquioxanes;
  • polyhedral oligosilsesquioxanes (POSS);
  • amorphous oligo- and polysilsesquioxanes;
  • bridged polysilsesquioxanes

Summary

This chapter contains sections titled:

  • Introduction

    • Definition of Terms

  • Forming Polysilsesquioxanes

    • Hydrolysis and Condensation Chemistry

    • Alternative Polymerization Chemistries

    • Characterizing Silsesquioxane Sol–Gels with NMR

    • Cyclization in Polysilsesquioxanes

  • Type I Structures: Polyhedral Oligosilsesquioxanes (POSS)

    • Homogenously Functionalized POSS

    • Stability of Siloxane Bonds in Silsesquioxanes

  • Type II Structures: Amorphous Oligo- and Polysilsesquioxanes

    • Gelation of Polysilsesquioxanes

    • Effects of pH on Gelation

    • Polysilsesquioxane Gels

    • Polysilsesquioxane–Silica Copolymers

  • Type III: Bridged Polysilsesquioxanes

    • Molecular Bridges

    • Macromolecule-bridged Polysilsesquioxanes

  • Summary

    • Properties of Polysilsesquioxanes

    • Existing and Potential Applications