Characterization of NMR, IR, and Raman spectra for siloxanes and silsesquioxanes: a mini review
Nuclear magnetic resonance (NMR), infrared (IR), and Raman spectroscopy are used to
determine the structures and substituent groups of siloxanes and silsesquioxanes …
determine the structures and substituent groups of siloxanes and silsesquioxanes …
Computational prediction of the molecular configuration of three-dimensional network polymers
The three-dimensional arrangement of natural and synthetic network materials determines
their application range. Control over the real-time incorporation of each building block and …
their application range. Control over the real-time incorporation of each building block and …
Kinetic and thermodynamic issues in the early stages of sol-gel processes using silicon alkoxides
J Šefčik, AV McCormick - Catalysis Today, 1997 - Elsevier
An understanding of the chemical processes that take place in the earliest stages of a sol-
gel preparation can provide the potential to better control microstructural evolution of a …
gel preparation can provide the potential to better control microstructural evolution of a …
Sol-gel chemistry of transition metal oxides
The sol-gel process provides a new approach to the preparation of glasses and ceramics.
Starting from molecular precursors, an oxide network is obtained via inorganic …
Starting from molecular precursors, an oxide network is obtained via inorganic …
Hydrolysis and condensation of silicates: effects on structure
CJ Brinker - Journal of non-crystalline solids, 1988 - Elsevier
The hydrolysis and condensation reactions of monomeric alkoxysilanes and
organylalkoxysilanes utilized in sol-gel processing are reviewed. Both reactions occur by …
organylalkoxysilanes utilized in sol-gel processing are reviewed. Both reactions occur by …
Chemical modification of alkoxide precursors
The chemical reactivity of metal alkoxides offers a broad range of possibilities for chemical
modification of these molecular precursors. The whole hydrolysis-condensation process …
modification of these molecular precursors. The whole hydrolysis-condensation process …
Sol-gel chemistry
J Livage, C Sanchez - Journal of Non-Crystalline Solids, 1992 - Elsevier
Sol-gel chemistry involves nucleophilic reactions. The chemical reactivity of metal alkoxides
toward hydrolysis, condensation and complexation mainly depends on the electronegativity …
toward hydrolysis, condensation and complexation mainly depends on the electronegativity …
Preparation of SiO2 nanoparticles in a non-ionic reverse micellar system
K Osseo-Asare, FJ Arriagada - Colloids and surfaces, 1990 - Elsevier
The preparation of nanosize, monodisperse silica particles by controlled hydrolysis of
tetraethoxysilane (TEOS) in a non-ionic surfactant/ammonium hydroxide/cyclohexane …
tetraethoxysilane (TEOS) in a non-ionic surfactant/ammonium hydroxide/cyclohexane …
A 29Si NMR study of the sol-gel polymerisation rates of substituted ethoxysilanes
RJ Hook - Journal of non-crystalline solids, 1996 - Elsevier
29Si nuclear magnetic resonance spectroscopy has been used to generate reaction profiles
for the acid-catalysed hydrolysis and condensation of various substituted ethoxysilanes …
for the acid-catalysed hydrolysis and condensation of various substituted ethoxysilanes …
Sol-gel condensation of rapidly hydrolyzed silicon alkoxides: A joint NMR and small-angle x-ray scattering study
F Devreux, JP Boilot, F Chaput, A Lecomte - Physical Review A, 1990 - APS
We have studied by Si 29 NMR the complete condensation kinetics in the conditions of rapid
hydrolysis (acidic medium, water in excess) of three silicon alkoxides. The gelation of the …
hydrolysis (acidic medium, water in excess) of three silicon alkoxides. The gelation of the …