Evonik DynasylanA is a high-purity tetraethyl orthosilicate (TEOS) Silane Coupling Agent serving as a versatile crosslinking agent and silica precursor. This tetrafunctional compound enables the formation of stable siloxane networks through controlled hydrolysis and condensation reactions.
High Purity - 28.5% silica content with consistent quality
Tetrafunctional - Four ethoxy groups enable dense crosslinking
Controlled Reactivity - Tunable hydrolysis rates with acid/base catalysts
Excellent Stability - Forms durable Si-O-Si networks upon curing
Silicone Rubber - Crosslinking agent for high-temperature elastomers
Sealants & Adhesives - Moisture scavenger in one-component systems
Surface Coatings - Precursor for scratch-resistant hybrid coatings
Composite Materials - Binder for inorganic-organic hybrid systems
Nanomaterial Synthesis - Silica source for sol-gel processes
Chemical Name | Tetraethyl Orthosilicate |
SiO₂ Content | 28.5% |
Functionality | Tetrafunctional |
Appearance | Colorless liquid |
Viscosity | Low |
Hydrolysis Requirement | Acid/Base catalyst |
Shelf Life | 1 year (sealed) |
Packaging | 25kg/190kg/850kg |
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