Product name: Coupling Agent Vinyltriethoxysilane/A151

Cas No.: 78-08-0

Molecular Formula: C8H18O3Si

Molecular Weight:  190.31

Appearance: Colorless liquid

Flash point:34℃ (Tag closed cup)

Boiling point: 161℃ (at 760mmHg)

Refractive index:1.397

Density: 0.905

Purity: 98% Min

Description:

Vinyltriethoxysilane, alos known as A-151, NV-1107, KBE-1003 or GF-56 is a chemical compound with the formula C8H18O3Si. It is a colorless liquid that is soluble in organic solvents. Vinyltriethoxysilane is widely used as a coupling agent and adhesion promoter in various industries, including the production of plastics, rubber, and coatings.
As a coupling agent, vinyltriethoxysilane is used to improve the bond strength between organic materials and inorganic surfaces. It can react with hydroxyl groups on the surface of materials such as glass, metal, and minerals, forming strong covalent bonds. This enhances the adhesion and durability of coatings, adhesives, and sealants.
Vinyltriethoxysilane is also used as a crosslinking agent in the production of silicone polymers. It can react with other silane compounds or with polymer chains containing hydroxyl groups, resulting in the formation of a three-dimensional network structure. This improves the mechanical properties, heat resistance, and chemical resistance of the silicone polymers.
In addition, vinyltriethoxysilane is employed as a reactive intermediate in various organic synthesis reactions. Its vinyl group can undergo addition reactions with nucleophiles, such as amines or thiols, leading to the formation of new organic compounds.
Overall, vinyltriethoxysilane plays a crucial role in enhancing adhesion, promoting crosslinking, and enabling the synthesis of new organic compounds in various industries.

Features:

1. Coupling Agent: A-151 acts as a coupling agent, improving the bond strength between organic materials and inorganic surfaces. It forms strong covalent bonds with hydroxyl groups on surfaces such as glass, metal, and minerals, enhancing adhesion.
2. Adhesion Promoter: By enhancing the adhesion between different materials, vinyltriethoxysilane improves the durability and performance of coatings, adhesives, and sealants.
3. Crosslinking Agent: A-151 can be used as a crosslinking agent in the production of silicone polymers. It reacts with other silane compounds or polymer chains containing hydroxyl groups, forming a three-dimensional network structure that improves mechanical properties, heat resistance, and chemical resistance.
4. Versatile Reactivity: The vinyl group in vinyltriethoxysilane is highly reactive and can undergo addition reactions with nucleophiles such as amines or thiols. This reactivity enables the synthesis of new organic compounds and makes vinyltriethoxysilane a valuable intermediate in organic synthesis.
5. Solubility: A-151 is soluble in organic solvents, making it easy to incorporate into various formulations and processes.
6. Stability: A-151 is a stable compound under normal conditions, allowing for long-term storage and use without significant degradation.
Applications:

1. Adhesives and Sealants
Vinyltriethoxysilane is used as an adhesion promoter in the formulation of adhesives and sealants. It improves the bonding strength between different substrates, such as glass, metal, and plastics, enhancing the durability and performance of the adhesive.
2. Coatings
Vinyltriethoxysilane is utilized as a coupling agent in coatings to improve adhesion to substrates. It is commonly used in coatings for glass, metal, ceramics, and other surfaces, providing better resistance to moisture, chemicals, and weathering.
3. Surface Modification
Vinyltriethoxysilane is employed for surface modification of materials like glass fibers, fillers, and pigments. It enhances the compatibility between the filler and the polymer matrix, resulting in improved mechanical properties and dispersion.
4. Polymer Crosslinking
Vinyltriethoxysilane acts as a crosslinking agent in the production of silicone polymers. It reacts with other silane compounds or polymer chains containing hydroxyl groups, forming a three-dimensional network structure that enhances the mechanical strength, heat resistance, and chemical resistance of the polymer.
5. Organic Synthesis
The reactivity of vinyltriethoxysilane's vinyl group allows it to be used as a versatile intermediate in organic synthesis. It can undergo addition reactions with nucleophiles such as amines or thiols, enabling the synthesis of various organic compounds.
6. Fiber Treatment
Vinyltriethoxysilane is used for treating glass fibers to improve their compatibility with polymer matrices in composite materials. This treatment enhances the adhesion between the fibers and the polymer, resulting in stronger and more durable composites.
Specifications:

Package: 200kg/drum or as your special request.