High-purity vinyl-functional silane with excellent hydrolytic stability in anhydrous conditions.
Reactive vinyl group enables covalent bonding with organic polymers during free-radical curing.
Ethoxy groups provide controlled hydrolysis and condensation for strong interfacial adhesion to inorganic substrates.
Low volatility and favorable handling characteristics compared to chlorosilane alternatives.
Consistent batch-to-batch performance validated under Shin-Etsu’s stringent quality control protocols.
Adhesion promoter in glass-fiber reinforced plastics (GFRP) and composites.
Surface modifier for silica, calcium carbonate, and clay fillers in thermoset resins.
Coating additive to enhance scratch resistance and substrate bonding in automotive clearcoats.
Coupling agent in silicone-modified acrylic emulsions for architectural coatings.
| Chemical Type | Vinyltriethoxysilane |
| Molecular Formula | C8H18O3Si |
| Product Form | Clear, colorless to pale yellow liquid |
| Appearance | Homogeneous, mobile liquid at 25°C |
| Density (25°C) | 0.92–0.94 g/cm³ |
| Refractive Index (25°C) | 1.395–1.405 |
| Boiling Point | 229–231°C (760 mmHg) |
| Storage Stability | ≥12 months in sealed container under dry, cool conditions |
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