Evonik Dynasylan VTEO is a bifunctional vinyl silane coupling agent that enhances adhesion between inorganic materials (glass, metals, fillers) and organic polymers (thermoplastics, thermosets, elastomers). It serves as a surface modifier and crosslinking agent with versatile reactivity.
Dual Functionality - Combines diamino reactivity with alkyl hydrophobicity
Oligomeric Structure - Linear and cyclic siloxanes for enhanced substrate wetting
Low VOC Emission - Minimal odor and reduced environmental impact
Non-Yellowing - Maintains clarity in high-elasticity formulations
Excellent Compatibility - Works with various amino-reactive resins
Hybrid Sealants - Adhesion promoter for MS polymer and silicone-modified polyurethanes
Epoxy Systems - Bonding enhancer for two-component epoxy formulations
RTV Silicones - Adhesion improvement in room-temperature vulcanizing rubbers
Surface Primers - Multi-substrate primer for concrete, aluminum and PVC
Filler Treatment - Surface modification for inorganic fillers in composite systems
| Chemical Type | Oligomeric Diamino Silane |
| Functionality | Diamino/Alkyl |
| Appearance | Clear liquid |
| Viscosity | Low |
| VOC Emission | Very Low |
| Reactive Groups | Amino, Alkyl |
| Compatibility | Amino-reactive resins |
| Recommended Usage | 0.5-1.5 wt.% |
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