Bifunctional diamino structure enables dual-site covalent bonding with both inorganic substrates (e.g., glass, metal oxides) and organic polymers.
Enhanced hydrolytic stability compared to monoamino silanes, supporting robust performance in aqueous-based formulations.
Low volatility and high thermal stability, facilitating safe handling and compatibility with elevated-temperature processing.
Improves interfacial adhesion, dispersion, and mechanical reinforcement in filled polymer systems.
Compatible with a broad range of resins including epoxies, phenolics, polyurethanes, and acrylics.
Adhesion promotion in structural adhesives and sealants for automotive and aerospace composites.
Surface modification of silica, clay, and carbon black fillers in rubber and thermoplastic compounds.
Hybrid sol-gel precursor in functional coatings requiring corrosion resistance and substrate bonding.
Reactive coupling agent in fiber-reinforced polymer (FRP) matrices for wind turbine blades and pultruded profiles.
Performance enhancer in encapsulants and underfills for electronics packaging.
| Chemical Type | Diamino-functional alkoxysilane |
| Product Form | Liquid |
| Appearance | Clear, colorless to pale yellow liquid |
| Primary Applications | Adhesion promoter, filler coupling agent, surface modifier |
| Key Features | Bifunctional amine reactivity, hydrolytically stable, low odor |
| Benefits | Improved composite strength, reduced moisture sensitivity, enhanced filler-matrix compatibility |
| Molecular Weight (approx.) | 268 g/mol |
| Storage Conditions | Store in cool, dry place under nitrogen; protect from moisture and direct sunlight |
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