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3-Chloropropylmethyldimethoxysilane: An Overview of Its Properties and Applications

INNO SPECIALTY CHEMICALS is a leading manufacturer and supplier of 3-Chloropropylmethyldimethoxysilane, a versatile silane coupling agent used in a wide range of industrial applications. This article will provide an overview of the properties and applications of this important chemical compound.

Chemical Properties

3-Chloropropylmethyldimethoxysilane has the molecular formula C6H15ClO2Si and a molecular weight of 198.73 g/mol. It is a clear, colorless to pale yellow liquid with a boiling point of 157-159°C and a density of 1.040-1.050 g/mL at 25°C. The chemical structure of this silane coupling agent consists of a chloropropyl group, a methyldimethoxysilyl group, and a silicon atom.

Applications

3-Chloropropylmethyldimethoxysilane is used as a coupling agent, surface modifier, and adhesion promoter in a variety of industrial applications, including:

1. Adhesives and Sealants

This silane coupling agent is widely used in the production of adhesive and sealant formulations for bonding various substrates, such as glass, metal, ceramics, and plastics. It improves the adhesion strength, durability, and water resistance of the final product.

2. Coatings and Paints

3-Chloropropylmethyldimethoxysilane is also used as a surface modifier in coatings and paints to enhance the adhesion of the coating to the substrate and improve the water resistance, weatherability, and chemical resistance of the coating.

3. Composites

This silane coupling agent is used as a surface treatment for various reinforcing fillers, such as glass fibers, carbon fibers, and silica nanoparticles, in the production of composite materials. It improves the interfacial bonding between the filler and the matrix, resulting in higher mechanical properties, such as strength, stiffness, and toughness, of the composite.

4. Rubber and Plastics

3-Chloropropylmethyldimethoxysilane is used as a coupling agent and crosslinking agent in the production of rubber and plastic products, such as tires, hoses, gaskets, and cable insulation. It improves the adhesion between the rubber or plastic matrix and the filler or reinforcing agent, resulting in higher strength, modulus, and abrasion resistance of the final product.

Safety and Handling

3-Chloropropylmethyldimethoxysilane is a flammable liquid and can react violently with water, acids, and bases, producing toxic gases. It should be handled with care and stored in a cool, dry, and well-ventilated area away from sources of ignition, heat, and moisture. Personal protective equipment, such as gloves, goggles, and respirators, should be worn when handling this chemical compound.

Conclusion

3-Chloropropylmethyldimethoxysilane is a versatile silane coupling agent with a wide range of industrial applications in adhesives, coatings, composites, rubber, and plastics. Its unique chemical structure and properties make it an effective surface modifier, adhesion promoter, and crosslinking agent in various formulations. INNO SPECIALTY CHEMICALS is a reliable manufacturer and supplier of this important chemical compound from China, providing high-quality products and services to customers worldwide.

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