3-(trimethoxysilyl)propyl methacrylate
Description
3-(Trimethoxysilyl)propyl methacrylate (CAS 2530-85-0) is a bifunctional silane coupling agent that bridges organic polymer matrices with inorganic substrates. It bonds chemically to both surfaces, improving adhesion and moisture resistance.
This versatile chemical improves composite integrity across demanding industrial applications. In fiber-reinforced composites for automotive and aerospace structures, it pre-treats glass fibers to strengthen the fiber-resin interface.
This treatment directly improves mechanical performance and service life in harsh environments. Coatings formulators incorporate it into UV-curable and thermally cured systems to enhance adhesion to glass, metal, and mineral substrates.
In adhesives and sealants, it functions as a reactive crosslinker that improves durability under humid or thermally cycled conditions. This ensures long-term stability for industrial bonding applications.
Electronics manufacturers use it as a surface primer for encapsulants and underfill resins. Reliable adhesion to silicon and ceramic substrates is critical to the long-term reliability of modern electronic components.
The product is supplied as a clear liquid, typically in drum and IBC quantities for industrial buyers. It is available in technical grade, with high-purity grades offered for electronics and specialty coating applications.
Standard specifications align with recognized silane coupling agent benchmarks. The product is commonly inhibited with a polymerization inhibitor for storage stability and consistent performance during manufacturing processes.
Physical Properties
| Melting Point | <-50 °C |
| Boiling Point | 190 °C |
| Density | 1.045 g/cm³ @ Temp: 25 °C |
| Flash Point | 198 °F |
| Appearance | Colorless transparent liquid |
| Color | Clear |
| Form | Liquid |
| Water Solubility | Miscible with water. |
| Vapor Pressure | 0-12790Pa at 20-25℃ |
| Refractive Index | n 20/D 1.431(lit.) |
| Log P | -0.9-2.1 at 20-21℃ |
Safety & Handling (Learn More)
Trade & Regulatory
| HS Code | 29319099 |
| Storage Class | 10 - Combustible liquids |
| WGK (Germany) | 1 |
Documentation
Other Names
Dynasylan MEMO|Union carbide A-174|Silicone A-174|gamma-Methacryloxypropyltrimethoxysilane|KBM 503|TRIMETHOXYSILYLPROPYL METHACRYLATE|NUCA 174|KDM 503|MEMO
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