Reactive bifunctional silane coupling agent with both hydrolyzable ethoxy groups and a ureido functional group.
Enhances adhesion between inorganic substrates (e.g., glass, metals, silica) and organic polymers (e.g., epoxy, polyurethane, acrylic).
Improves mechanical properties and moisture resistance of filled composites and coatings.
Stable liquid at room temperature with low volatility and favorable handling characteristics.
Enables covalent bonding via silanol condensation with surfaces and hydrogen-bonding or covalent reaction via the ureido group with resins.
Epoxy resin composites for electrical encapsulation and printed circuit board laminates.
Adhesion promoters in automotive sealants and structural adhesives.
Surface treatment of silica fillers and glass fibers in rubber and thermoset plastics.
Primer formulations for metal and glass substrates in architectural and industrial coatings.
Hybrid sol-gel systems for functionalized coatings and corrosion-resistant layers.
| Chemical Type | Organofunctional trialkoxysilane |
| Product Form | Liquid |
| Appearance | Colorless to pale yellow clear liquid |
| Molecular Weight | 249.4 g/mol |
| Density (25°C) | 1.02–1.04 g/cm³ |
| Refractive Index (25°C) | 1.435–1.445 |
| pH (1% aqueous solution) | 5.0–7.0 |
| Solubility | Miscible with common alcohols, acetone, and aromatic hydrocarbons; hydrolyzes in water |
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