Bifunctional silane coupling agent with both hydrolyzable methoxy groups and a reactive secondary amine group.
Enables strong covalent bonding between organic polymers and inorganic substrates such as glass, metals, and mineral fillers.
Offers improved wetting, dispersion, and interfacial adhesion in composite systems without excessive catalytic activity or premature gelation.
Exhibits favorable hydrolytic stability compared to highly reactive aminosilanes due to steric hindrance from the isobutyl group.
Compatible with a broad range of resins including epoxies, phenolics, polyurethanes, and acrylics.
Adhesion promotion in epoxy-based structural adhesives and sealants.
Surface treatment of silica, alumina, and calcium carbonate fillers in thermoset composites.
Enhancement of fiber-matrix bonding in fiberglass-reinforced plastics (FRP) and pultrusion formulations.
Primer additive for metal and glass substrates prior to coating or bonding operations.
Performance modifier in moisture-curable polyurethane and silicone hybrid sealants.
| Chemical Type | N-Ethylaminoisobutyltrimethoxysilane |
| Product Form | Liquid |
| Appearance | Colorless to pale yellow clear liquid |
| Primary Applications | Coupling agent, adhesion promoter, filler surface modifier |
| Key Features | Bifunctional, hydrolyzable methoxy groups, sterically hindered secondary amine |
| Benefits | Improved composite mechanical properties, enhanced moisture resistance, reduced interfacial failure |
| Storage Stability | Stable under dry, cool conditions; protect from moisture and direct sunlight |
| Reactivity Profile | Moderate hydrolysis rate; compatible with common industrial processing conditions |
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