Isobutyltrimethoxysilane

CAS# 17980-47-1

Product Description

Isobutyltrimethoxysilane is a silane coupling agent that finds various industrial applications due to its unique properties.

Product:

Isobutyltrimethoxysilane

CAS:

17980-47-1

Synonym:

Triethoxy(isobutyl)silane; triethoxy(2-methylpropyl)silane

Structure:

Typical Characteristics

Appearance

Liquid

Boiling point

190-191 °C

Density

0.88 g/cm3

Molecular Weight

220.38

Purity

≥95%

Refractive index

1.4

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We Offer Isobutyltrimethoxysilane
in various grades

A few of the grades available are listed below:

Isobutyltrimethoxysilane used in many
industry applications

Isobutyltrimethoxysilane is a silane coupling agent that finds various industrial applications due to its unique properties. Here's a list of some of its industrial uses:

  1. Adhesion Promoter: Isobutyltrimethoxysilane is commonly used as an adhesion promoter in coatings, sealants, and adhesives. It enhances the bonding strength between organic polymers and inorganic surfaces, such as glass, metal, or ceramic substrates.
  2. Surface Modifier: It serves as a surface modifier or hydrophobic agent in various materials, including plastics, rubber, and composites. Isobutyltrimethoxysilane can impart water repellency, chemical resistance, and weatherability to treated surfaces.
  3. Concrete Sealant: Isobutyltrimethoxysilane is used as a key component in concrete sealants and protective coatings for construction applications. It penetrates into concrete pores and forms a hydrophobic barrier, reducing moisture ingress, preventing corrosion, and extending the lifespan of concrete structures.
  4. Paints and Coatings: It is employed as a surface modifier or crosslinking agent in paints, coatings, and surface treatments. Isobutyltrimethoxysilane can improve the adhesion, durability, and weather resistance of coatings, resulting in enhanced performance and longevity.
  5. Plastic Additive: Isobutyltrimethoxysilane may be used as an additive in plastic formulations to enhance surface properties, such as scratch resistance, glossiness, and printability. It can also facilitate the adhesion of coatings or decorative films to plastic substrates.
  6. Fiber Sizing Agent: In the textile industry, Isobutyltrimethoxysilane is utilized as a fiber sizing agent in the manufacturing of glass or carbon fibers. It helps to improve the interfacial adhesion between fibers and polymer matrices in composite materials, enhancing mechanical properties and performance.
  7. Rubber Vulcanization: Isobutyltrimethoxysilane can act as a coupling agent or crosslinking promoter in rubber compounding and vulcanization processes. It facilitates the bonding between rubber polymers and fillers, reinforcing agents, or curing agents, resulting in improved mechanical strength, tear resistance, and heat resistance of rubber products.
  8. Adhesive Primer: It is used as a primer or surface treatment agent for substrates prior to adhesive bonding. Isobutyltrimethoxysilane promotes adhesion by modifying surface energy and chemical interactions, ensuring strong and durable bonds between dissimilar materials.
  9. Corrosion Inhibitor: Isobutyltrimethoxysilane can function as a corrosion inhibitor or rust preventive agent in metal coatings or anticorrosive paints. It forms a protective barrier on metal surfaces, preventing moisture, oxygen, and corrosive agents from reaching the substrate and causing degradation.
  10. Water Repellent: Isobutyltrimethoxysilane is utilized as a water repellent or moisture barrier in various building materials, such as stone, brick, concrete, and wood. It imparts hydrophobic properties to surfaces, preventing water penetration, efflorescence, and staining, while allowing vapor transmission.