Evonik Dynasylan SIVO 214 is a specialized multi-amino functional ethoxysilane featuring both primary and secondary amino groups. This unique molecular structure enables superior interfacial bonding between inorganic materials and organic polymers through enhanced crosslinking capabilities.
Self-Catalyzing Hydrolysis - Automatically activates upon moisture exposure without additional catalysts
Dual Reactivity - Combines amino functionality with hydrolyzable methoxy groups
Enhanced Stability - Hydrolyzed form remains stable for over 30 days at pH 11-12
Broad Polymer Compatibility - Effective with epoxies, polyurethanes, acrylics and various thermoplastics
Processing Advantages - Improves filler dispersion and reduces system viscosity
Fiberglass Reinforcements - Sizing agent for glass fiber and mineral wool composites
Metal Primers - Surface pretreatment for enhanced corrosion resistance and adhesion
Mineral-filled Composites - Coupling agent for silicate-filled polymer systems
Insulation Materials - Additive for phenolic resin binders in mineral wool insulation
Coating Formulations - Adhesion promoter for protective coatings and surface treatments
Chemical Type | Multi-Amino Functional Ethoxysilane |
Appearance | Colorless to pale yellow liquid |
Odor | Slight ammoniacal |
Amino Functionality | Primary & Secondary amino groups |
Hydrolyzable Groups | 6 ethoxy groups |
Optimal Hydrolysis pH | 3.0 (acid-catalyzed) |
Solubility | Alcohols, Aliphatic/Aromatic hydrocarbons |
Recommended Usage | 0.5-5.0% in formulations |
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