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

Evonik Dynasylan 1189 Silane Coupling Agent

Evonik Dynasylan 1189 is a high-performance bifunctional silane coupling agent featuring both a reactive secondary amino group and hydrolyzable methoxy groups. This advanced organosilane effectively bonds inorganic materials with organic polymers, serving as an excellent adhesion promoter and surface modifier across various industrial applications while ensuring reliable performance and compatibility.

Features Of Evonik Dynasylan 1189 Silane Coupling Agent

  1. Dual Functionality - Combines reactive amino and hydrolyzable methoxy groups

  2. Enhanced Adhesion - Superior bonding between inorganic and organic materials

  3. Excellent Compatibility - Works with various resins and substrates

  4. Improved Mechanical Properties - Enhances strength and impact resistance

  5. Versatile Application - Suitable for multiple processing methods

Typical Applications Of Evonik Dynasylan 1189 Silane Coupling Agent

  1. Fiberglass Reinforcement - Sizing agent for glass fibers and composites

  2. Polymer Compounding - Coupling agent for filled thermoplastics and thermosets

  3. Adhesive Formulations - Performance enhancer in sealants and adhesives

  4. Surface Priming - Pre-treatment for metals and inorganic substrates

  5. Coating Systems - Additive for improved paint and coating adhesion

Specifications Of Evonik Dynasylan 1189 Silane Coupling Agent

Chemical NameN-(n-Butyl)-3-aminopropyltrimethoxysilane-
AppearanceColorless to pale yellow liquidVisual
Purity≥ 97.0%GC Analysis
Density (25°C)0.92-0.98 g/cm³ISO 3675
Refractive Index (20°C)1.428-1.438ISO 2806
Flash Point≥ 96°CISO 2719
Boiling Point255-260°CISO 4626
Amino Value290-310 mg KOH/gTitration
SolubilitySoluble in alcohols and hydrocarbons


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