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

Evonik Dynasylan 1146 Oligomeric Bisamino Functional Silane Coupling Agent

Evonik Dynasylan 1146 is an oligomeric diamino/alkyl silane copolymer designed as a versatile adhesion promoter. Its unique oligomeric structure provides excellent wettability and chemical bonding to challenging substrates while maintaining low viscosity and minimal VOC emissions.

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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