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γ-Chloropropyltrimethoxysilane: Properties and Applications
INNO SPECIALTY CHEMICALS is a leading manufacturer and supplier of γ-Chloropropyltrimethoxysilane, a versatile organosilane used in a wide range of applications. Also known as (3-Chloropropyl)trimethoxysilane or 3-Trimethoxysilylpropyl Chloride, this silane coupling agent is highly reactive and used as a crosslinking agent, adhesion promoter, and surface modifier in various industries.
Properties
γ-Chloropropyltrimethoxysilane is a clear, colorless to pale yellow liquid with a pungent odor. It has a molecular weight of 198.71 g/mol and a boiling point of 172°C. The chemical formula of γ-Chloropropyltrimethoxysilane is C6H15ClO3Si, and its CAS number is 2530-87-2.
The silane coupling agent has a high affinity for glass, metals, minerals, and other inorganic substrates. It reacts with water to form silanols, which can further condense to form siloxane bonds. This crosslinking reaction improves the adhesion, durability, and performance of various materials.
Applications
γ-Chloropropyltrimethoxysilane is used in many industries, including coatings, adhesives, sealants, plastics, rubber, textiles, and electronics. Its primary applications include:
1. Adhesion Promoter: γ-Chloropropyltrimethoxysilane is an effective adhesion promoter between inorganic surfaces and organic polymers. It enhances the bonding strength between glass fibers and epoxy resins, aluminum and polyurethane adhesives, and many other materials. It also improves the water resistance and weatherability of the bonded joints.
2. Surface Modifier: γ-Chloropropyltrimethoxysilane is used as a surface modifier for various materials, including silica, alumina, titanium dioxide, and carbon black. It enhances the dispersibility, wetting, and compatibility of these materials in various matrices. It also improves the mechanical, thermal, and electrical properties of the composites.
3. Crosslinking Agent: γ-Chloropropyltrimethoxysilane is used as a crosslinking agent for various polymers, including polyethylene, polypropylene, and polyurethane. It reacts with the polymer chains to form crosslinks, which improve the strength, toughness, and heat resistance of the materials.
4. Water Repellent: γ-Chloropropyltrimethoxysilane is used as a water repellent for various substrates, including concrete, stone, and textiles. It penetrates into the substrate and forms a hydrophobic layer on the surface, which repels water and improves the durability of the substrate.
Conclusion
γ-Chloropropyltrimethoxysilane is a versatile organosilane with many applications in various industries. Its unique properties, including high reactivity, adhesion, and surface modification, make it an essential ingredient in many formulations. As a leading manufacturer and supplier of γ-Chloropropyltrimethoxysilane, INNO SPECIALTY CHEMICALS offers high-quality products and technical support to its customers worldwide.
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