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

​Evonik Dynasylan 1124 Bis(trimethoxysilylpropyl)Amine Coupling Agent

Evonik Dynasylan 1124 is a unique secondary amino silane featuring dual symmetric silicon atoms, specifically engineered to create highly crosslinked networks between inorganic substrates and organic polymers through its exceptional bonding capabilities.

Features Of Evonik Dynasylan 1124 Bis(trimethoxysilylpropyl)Amine Coupling Agent

  1. Dual Silicon Architecture - Two symmetric silicon atoms enable superior crosslinking density

  2. Secondary Amino Functionality - Provides controlled reactivity and enhanced alkaline resistance

  3. High Crosslinking Capacity - Six hydrolyzable methoxy groups form dense network structures

  4. Acid-Catalyzed Hydrolysis - Optimized performance at pH 2-3 with formic/acetic acid

  5. Broad Polymer Compatibility - Effective with epoxy, polyurethane, phenolic and various resins

Typical Applications Of Evonik Dynasylan 1124 Bis(trimethoxysilylpropyl)Amine Coupling Agent

  1. Metal Primers - Corrosion-resistant pretreatment for metal surfaces

  2. Adhesive Formulations - Crosslinking enhancer in silane-terminated polyurethane prepolymers

  3. Foundry Resins - Additive for phenolic, furan and melamine casting resins

  4. Composite Materials - Coupling agent for mineral-filled polymer compounds

  5. Coating Systems - Adhesion promoter for paints and protective coatings

Specifications Of Evonik Dynasylan 1124 Bis(trimethoxysilylpropyl)Amine Coupling Agent

Chemical NameBis(trimethoxysilylpropyl)amine
AppearanceLight yellow liquid
FunctionalitySecondary amino silane
Hydrolyzable Groups6 methoxy groups
Optimal Hydrolysis pH2-3 (acid-catalyzed)
OdorAmmoniacal
SolubilityAlcohols, Hydrocarbons
Crosslinking DensityHigh
Recommended Usage0.5-3.0% in formulations


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