Speciality Chemicals

3-Methacryloxypropyltrimethoxysilane

  • CAS No.2530-85-0
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-performance silane coupling agent designed to enhance adhesion and mechanical strength in reinforced composites and coatings.

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Product Technical Details

Product Overview

3-Methacryloxypropyltrimethoxysilane is a versatile organofunctional silane coupling agent widely recognized in the industrial chemicals sector for its dual reactivity. This molecule features a methacrylate group capable of copolymerizing with organic polymers and hydrolyzable methoxy groups that bond with inorganic substrates. As a leading manufacturer, we supply this critical additive to improve the interfacial bonding between dissimilar materials, ensuring superior durability and performance in demanding environments.

Our production process adheres to strict quality control standards, delivering consistent purity levels suitable for high-end applications in polymer composites, adhesives, and surface treatments. The chemical structure allows it to act as a molecular bridge, significantly enhancing the mechanical properties of filled systems.

Key Specifications

ParameterValue
CAS Number2530-85-0
Molecular FormulaC10H20O5Si
Molecular Weight248.35 g/mol
AppearanceColorless transparent liquid
Purity (GC)≥98.0%
Density1.045 g/cm3
Boiling Point190°C
Flash Point108°C
Refractive Index1.4202

Industrial Applications

This silane coupling agent is extensively used across multiple industries to optimize material performance. In the composites sector, it serves as a glass fiber size component for reinforced polyester systems, markedly improving both initial and wet strength properties. The enhancement of wet electrical properties makes it indispensable for mineral-filled and reinforced electrical composites.

In the coatings and adhesives industry, 3-Methacryloxypropyltrimethoxysilane facilitates crosslinking in acrylic-type resins. This reaction improves adhesion to various substrates and extends the service life of protective coatings. It is particularly effective in environments where moisture resistance is critical, preventing delamination and structural failure over time.

Performance Benefits

  • Superior adhesion promotion between organic polymers and inorganic fillers.
  • Enhanced mechanical strength and toughness in reinforced composites.
  • Improved resistance to water ingress and hydrolytic degradation.
  • Compatible with a wide range of resin systems including polyester and acrylics.
  • Consistent quality ensuring reliable batch-to-batch performance.

Storage and Handling

To maintain optimal quality, store this product in a cool, ventilated area away from direct sunlight and moisture sources. Containers should remain tightly sealed when not in use to prevent premature hydrolysis of the methoxy groups. Standard industrial safety protocols should be followed during handling, including the use of appropriate personal protective equipment. We provide comprehensive technical data sheets and certificates of analysis with every shipment to support your quality assurance processes.