Highly effective coupling agent for sulfur-curable elastomers, enhancing interfacial adhesion between inorganic fillers and organic polymers.
Contains both hydrolyzable methoxy groups and a reactive thiol (–SH) functional group, enabling covalent bonding with metal oxides and rubber matrices.
Improved storage stability compared to triethoxysilane analogues due to controlled hydrolysis kinetics from dimethoxy substitution.
Low volatility and favorable handling characteristics in industrial compounding processes.
Enables reduced filler loading while maintaining mechanical performance—supporting lightweighting and cost-efficiency goals.
Silica-reinforced passenger car tire tread compounds.
High-performance rubber seals and hoses requiring dynamic fatigue resistance.
Thermoplastic vulcanizates (TPVs) incorporating silica or glass fibers.
Adhesion promoters in rubber-to-metal bonding systems.
| Chemical Type | Organofunctional alkoxysilane |
| Product Form | Liquid |
| Appearance | Colorless to pale yellow clear liquid |
| Molecular Weight | 222.36 g/mol |
| Specific Gravity (25°C) | 1.04–1.06 g/cm³ |
| Refractive Index (25°C) | 1.455–1.465 |
| Flash Point (COC) | ≥ 100°C |
| Shelf Life (unopened, 25°C) | 12 months |
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