Shin-Etsu KBE-503 (3-Methacryloxypropyltriethoxysilane) bridges organic polymers and inorganic substrates through dual-reactive methacryloxy/ethoxy groups. This coupling agent enhances mechanical strength, electrical properties, and weather resistance in composites while optimizing filler dispersion. Its unique chemistry improves adhesion in coatings/inks and boosts wet-performance stability in harsh environments, making it ideal for demanding industrial applications
Dual-Functional Bonding - Methacryloxy binds organics; ethoxy links inorganics for robust interfaces
Performance Enhancement - Increases flexural strength, compressive resistance, and interlaminar shear in composites
Environmental Durability - Significantly improves wet-state electrical/mechanical properties
Processing Efficiency - Reduces viscosity in coatings/inks, prevents filler sedimentation
Multi-Matrix Compatibility - Effective with polyesters, EPDM, acrylics, and polycarbonate
Reinforced Composites - Glass fiber/FRP for automotive and aerospace
Wire & Cable Insulation - Enhances wear/voltage resistance in EPM/EPDM systems
Industrial Coatings - Improves adhesion, film hardness, and weatherability
Ink Formulations - Boosts substrate bonding and radiance in printing
Filler Modification - Surface treatment for silica, quartz, and metal powders
Chemical Name | γ-Aminopropyltriethoxysilane |
Molecular Formula | NH₂(CH₂)₃Si(OC₂H₅)₃ |
Molecular Weight | 221.4 |
Appearance | Colorless Transparent Liquid |
Flash Point | 96℃ - 103℃ |
Density (25℃) | 0.940 - 0.946 |
Refractive Index (25℃) | 1.414 - 1.421 |
Boiling Point | 217℃ |
CAS Number | 919 - 30 - 2 |
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