Reactive vinyl functionality enables covalent bonding with unsaturated polymers (e.g., SBR, BR, EPDM) during compounding and curing.
Hydrolytically stable alkoxy groups provide extended shelf life and reduced moisture sensitivity compared to triethoxysilanes.
Low volatility and favorable handling characteristics due to high molecular weight and low vapor pressure.
Enhances filler dispersion and polymer–filler interaction in silica-reinforced rubber compounds.
Improves mechanical properties including tensile strength, abrasion resistance, and dynamic performance in tire treads.
Tire tread compounds for passenger and truck radial tires.
Silica-reinforced elastomeric seals and gaskets.
High-performance rubber hoses and belts requiring low rolling resistance.
Dynamic rubber components in automotive suspension systems.
| Chemical Type | Vinyl-functional silane |
| Product Form | Liquid |
| Appearance | Colorless to pale yellow clear liquid |
| Primary Applications | Silica coupling agent in rubber compounding |
| Key Features | Vinyl reactivity, hydrolytic stability, low volatility |
| Benefits | Improved silica dispersion, enhanced reinforcement, reduced hysteresis |
| Molecular Weight (approx.) | 348.5 g/mol |
| Flash Point (Tag Closed Cup) | 120 °C (248 °F) |
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