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2. Chemical aspects of sol-gel polymerization
Although sol-gel polymerization can be carried out using precursors other than alkoxides (e.g. halides), since these are the subject of 95% of the work described in the literature, we will restrict ourselves here to their study. Sol-gel polymerization can be "hydrolytic", i.e. require the addition of water and therefore include one or more hydrolysis steps, or, on the contrary, be "non-hydrolytic" when carried out without water. The case of hydrolytic gels is by far the most important and widespread
2.1 Hydrolytic process
In this case, the sol-gel process includes at least one hydrolysis step prior to polymerization. The reaction can thus be described in two stages: hydrolysis of the alkoxide...
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Chemical aspects of sol-gel polymerization
References
Recent theses
- - http://sudoc.abes.fr
- RAMMAL (A.) - Chimie sol-gel des alcoxydes de titane (IV) complexés par des ligands aromatiques - . Université Louis Pasteur de Strasbourg (2003).
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