Kinetics of structuring in the sol-gel systems based on tetraethoxysilane with organic additives: II. Gels
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This paper reports on the results of investigations into the rheological properties of gels that are prepared by aging sols based on water-alcohol solutions of tetraethoxysilane (TEOS) modified by a number of metal salts and organic polyhydroxyl compounds, such as glycerol, poly(ethylene glycol) (PEG-300), and hyperbranched aliphatic complex polyol polyethers (HBP-49, HBP-64). It is demonstrated that the strength of the gels formed can be controlled using these additives.
KeywordsGlass Physic Organic Additive Critical Shear Stress Polymer Additive Cobalt Salt
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