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

Evonik Dynasylan VTEO Vinyltriethoxysilane Coupling Agent

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.

Features Of Evonik Dynasylan 1146 Oligomeric Bisamino Functional Silane Coupling Agent

  1. Dual Functionality - Combines diamino reactivity with alkyl hydrophobicity

  2. Oligomeric Structure - Linear and cyclic siloxanes for enhanced substrate wetting

  3. Low VOC Emission - Minimal odor and reduced environmental impact

  4. Non-Yellowing - Maintains clarity in high-elasticity formulations

  5. Excellent Compatibility - Works with various amino-reactive resins

Typical Applications Of Evonik Dynasylan 1146 Oligomeric Bisamino Functional Silane Coupling Agent

  1. Hybrid Sealants - Adhesion promoter for MS polymer and silicone-modified polyurethanes

  2. Epoxy Systems - Bonding enhancer for two-component epoxy formulations

  3. RTV Silicones - Adhesion improvement in room-temperature vulcanizing rubbers

  4. Surface Primers - Multi-substrate primer for concrete, aluminum and PVC

  5. Filler Treatment - Surface modification for inorganic fillers in composite systems

Specifications Of Evonik Dynasylan 1146 Oligomeric Bisamino Functional Silane Coupling Agent

Chemical TypeOligomeric Diamino Silane
FunctionalityDiamino/Alkyl
AppearanceClear liquid
ViscosityLow
VOC EmissionVery Low
Reactive GroupsAmino, Alkyl
CompatibilityAmino-reactive resins
Recommended Usage0.5-1.5 wt.%


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