Product Name: 3-Glycidoxypropyltrimethoxysilane

CAS Number: 2530-83-8      Appearance: Colorless transparent liquid

Product Characteristics: One end of its structure contains active groups capable of reacting with synthetic resin molecules such as epoxy, phenolic, polyester, etc., such as amino groups, vinyl groups, etc. The other end consists of alkoxy groups (e.g., methoxy, ethoxy) or chlorine atoms bonded to silicon. These groups, in the presence of moisture in aqueous solutions or air, hydrolyze to form reactive silanols that can react with hydroxyl groups on the surfaces of glass, minerals, and inorganic fillers. Commonly used in systems filled with silicates such as epoxy, phenolic, and polyester resins. Also used in the production of fiberglass to enhance mechanical strength and resistance to humid environments.

It can chemically bond (couple) with organic and inorganic materials, increasing the adhesion between the two materials, and is used for surface treatment of glass fibers and inorganic fillers. Used as a sealant, adhesive, and coating thickener. Also applied in immobilizing enzymes onto glass substrates, sand control in oil well drilling, imparting hydrophobicity to masonry surfaces, providing higher surface resistance in fluorescent lamp coatings, and improving the moisture absorption performance of organic phases on glass surfaces in liquid chromatography.

Applications: Mainly used in unsaturated polyester composites to improve mechanical properties, electrical properties, and light transmission, significantly enhancing the wet-state performance of composites.

Treating glass fibers improves the mechanical strength and electrical properties of glass fiber-reinforced composites in wet conditions.

In the wire and cable industry, it treats clay-filled peroxide-crosslinked EPDM systems to improve the dissipation factor and specific inductive capacitance.

Copolymerized with vinyl acetate and acrylic or methacrylic acid monomers, it is widely used in coatings, adhesives, and sealants to provide excellent adhesion and durability.

In the adhesive industry, it significantly enhances adhesion and can be used in adhesives based on epoxy, polyurethane, phenolic resins, etc. It is also effective with various inorganic fillers such as Al(OH)3, SiO2, glass microspheres, mica, wollastonite, etc. Widely used in glass sealants to improve the adhesion of acrylic latex, sealants, polyurethane, and epoxy resins.

Used to enhance the adhesion between organic and inorganic materials, such as glass fibers in fiberglass, plastics, rubber, silicon-based fillers in paints and coatings. Also used in adhesives to increase bonding performance. Compatible resins include epoxy, phenolic, melamine, polysulfide, polyurethane, polypropylene, etc. Improves the adhesion between inorganic fillers, substrates, and resins, thereby enhancing the mechanical strength and electrical properties of composites, with high retention in wet conditions.

As a surface treatment agent for inorganic fillers, it is widely used with clay, glass microspheres, talc, wollastonite, silica, quartz, aluminum powder, iron powder. Suitable for epoxy sealants filled with quartz, epoxy concrete repair materials or coatings filled with sand, and epoxy molds filled with metal.

It enables coupling between two materials, improving the mechanical strength of products, and enhancing the electrical properties, weather resistance, and corrosion resistance of composites. Suitable for fiberglass/adhesives, etc.