Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Evonik Dynasylan 9265 Silane Coupling Agent

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.

Features Of Evonik Dynasylan 9265 Silane Coupling Agent

  1. Thermal Stability - Phenyl group provides excellent heat resistance

  2. Controlled Hydrolysis - Slower reaction rate allows better process control

  3. Surface Hydrophobicity - Enhances water resistance of treated materials

  4. Flexibility Enhancement - Improves coating ductility and crack resistance

Typical Applications Of Evonik Dynasylan 9265 Silane Coupling Agent

  1. Filler Treatment - Surface modification for calcium silicate and aluminum hydroxide

  2. High-Temperature Polymers - Coupling agent for thermally processed composites

  3. Sol-Gel Coatings - Key component in hybrid organic-inorganic coatings

  4. UV-Resistant Materials - Enhanced ultraviolet protection in coating systems

  5. Rheology Modification - Reduces polymer melt viscosity in compounding

Specifications Of Evonik Dynasylan 9265 Silane Coupling Agent

Chemical NamePhenyltriethoxysilane
FunctionalityTrifunctional
AppearanceColorless liquid
ViscosityLow
Hydrolysis RateSlower than alkyl analogues
Thermal StabilityExcellent
Recommended CatalystMaleic acid
Hydrolysis Water Ratio1.3:1 (water:Si)
Solution StabilitySeveral weeks
Shelf Life1 year (sealed)


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