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Dynasylan SILBOND Pure

Tetraethyl orthosilicate 99.0%

Dynasylan SILBOND Pure is a clear, low-viscosity liquid that is essentially pure tetraethyl orthosilicate monomer (99.0%). Dynasylan SILBOND Pure is used as a building block for zeolites and catalyst carriers, crosslinking agent, chemical intermediate, clear-coat component, and in any other application requiring pure TEOS monomer.

Dynasylan SILBOND Pure is immiscible with water, so hydrolysis requires the use of a co-solvent such as ethanol. Suitable catalysts are mineral acids or ammonia, or even acetic acid and amines.

Partial hydrolysis gives hydrolysates of Dynasylan SILBOND Pure whose shelf-life depends on the amount of water and solvent used.  The amount of water determines the activity of the hydrolysate.  Activity and shelf-life are inversely proportional. The correct choice for the amount of water can give hydrolysates, which have a shelf life of up to a year (from the time of manufacture).

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