Evonik Dynasylan 9265 is a phenyl-functional silane designed for inorganic surface modification and sol-gel applications. This trifunctional organosilane combines hydrolyzable ethoxy groups with a thermally stable phenyl moiety, offering enhanced flexibility and performance in composite systems.
Thermal Stability - Phenyl group provides excellent heat resistance
Controlled Hydrolysis - Slower reaction rate allows better process control
Surface Hydrophobicity - Enhances water resistance of treated materials
Flexibility Enhancement - Improves coating ductility and crack resistance
Filler Treatment - Surface modification for calcium silicate and aluminum hydroxide
High-Temperature Polymers - Coupling agent for thermally processed composites
Sol-Gel Coatings - Key component in hybrid organic-inorganic coatings
UV-Resistant Materials - Enhanced ultraviolet protection in coating systems
Rheology Modification - Reduces polymer melt viscosity in compounding
Chemical Name | Phenyltriethoxysilane |
Functionality | Trifunctional |
Appearance | Colorless liquid |
Viscosity | Low |
Hydrolysis Rate | Slower than alkyl analogues |
Thermal Stability | Excellent |
Recommended Catalyst | Maleic acid |
Hydrolysis Water Ratio | 1.3:1 (water:Si) |
Solution Stability | Several weeks |
Shelf Life | 1 year (sealed) |
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