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Octadecyltriethoxysilane HC-1802 CAS 7399-00-0
Chemical Name:Octadecyltriethoxysilane
CAS No.:7399-00-0
Product Categories:Organic Chemistry
Molecular Formula:C24H52O3Si
Formula Weight:138.21
Appearance:Colorless transparent liquid
Packaging Method:200L Plastic Drum
Type Of Transportation:By Air/By Sea/By Train/By Express
Sample:Available
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Product Description Of
Octadecyltriethoxysilane HC-1802 CAS 7399-00-0
- Physical Properties: It is a colorless to light yellow transparent liquid with a slight characteristic odor. The specific gravity is about 0.880-0.890 (25°C), the boiling point is approximately 380°C, and the flash point is above 160°C. It is insoluble in water, but soluble in organic solvents such as ethanol, ether, benzene and toluene. It has good fluidity and can form a uniform film on the surface of substrates.
- Chemical Properties: It has excellent chemical stability and thermal stability, and does not easily decompose under normal temperature and pressure. The ethoxy groups in the molecule can undergo hydrolysis reaction in the presence of water and catalyst to generate silanol groups (-SiOH), which can further condense with hydroxyl groups on the surface of inorganic materials (such as glass, metal, concrete, minerals) to form stable chemical bonds. The long-chain alkyl groups can form a hydrophobic layer on the material surface, providing excellent water repellency. It is inert to most organic and inorganic substances, and does not react with acids, alkalis and other substances under normal conditions (except for strong acids and alkalis that can accelerate hydrolysis).
- Safety Properties: It is non-flammable and non-explosive under normal use conditions, but it may cause slight irritation to the skin and eyes if in improper contact. It does not belong to dangerous goods, but needs to be operated in accordance with safety specifications.
- Excellent Hydrophobicity: After being applied to the surface of inorganic materials, it can form a dense hydrophobic layer, effectively preventing water absorption and penetration, and improving the water resistance and weather resistance of materials.
- Strong Coupling Performance: It can effectively bond organic materials (such as resins, rubbers, plastics) and inorganic materials (such as glass fibers, minerals, metals), significantly improving the mechanical properties, adhesion and durability of composite materials.
- Good Compatibility: It has good compatibility with various organic solvents and resins, and can be easily mixed with other additives without affecting the overall performance of the system.
- Stable Performance: It has excellent thermal stability and chemical stability, can adapt to a wide temperature range (-50°C to 200°C), and is not easy to decompose or fail under harsh working conditions.
- Easy to Use: It can be used in the form of solution or direct addition, and the operation process is simple, which is convenient for large-scale industrial application.
Chemical Properties Of
Octadecyltriethoxysilane HC-1802 CAS 7399-00-0
Safety Information Of
Octadecyltriethoxysilane HC-1802 CAS 7399-00-0
Product Application Of
Octadecyltriethoxysilane HC-1802 CAS 7399-00-0
Due to its unique structure and excellent performance, Octadecyltriethoxysilane is widely used in surface modification, composite material processing, building materials, coatings and other fields:
- Inorganic Material Surface Modification: It is used for surface treatment of minerals (such as calcium carbonate, talcum powder, kaolin), glass fibers and other inorganic fillers. It can improve the dispersion of fillers in organic matrices, enhance the compatibility between fillers and resins, and thus improve the mechanical properties of composite materials.
- Building Materials Field: As a waterproof and anti-corrosion agent for concrete, stone, ceramic tiles and other building materials, it can penetrate into the interior of materials to form a waterproof layer, prevent water, chloride ions and other corrosive substances from penetrating, and improve the durability of building materials. It is especially suitable for marine engineering, bridges, highways and other projects in harsh environments.
- Coatings and Adhesives Industry: It is added as a coupling agent and waterproof additive to coatings, adhesives and sealants. It can improve the adhesion of coatings to inorganic substrates, enhance the water resistance, weather resistance and wear resistance of coatings, and extend the service life of coatings and adhesives.
- Plastics and Rubber Industry: It is used as a surface modifier for plastic and rubber products. It can improve the surface hydrophobicity, wear resistance and aging resistance of products, and enhance the compatibility between plastic/rubber and inorganic fillers, thereby improving the processing performance and product quality.
- Other Fields: It can be used as a waterproofing agent for textiles, a release agent for molds, a surface treatment agent for metal materials (to improve corrosion resistance), and also used in the fields of liquid chromatography and fixed enzyme immobilization.
Packaging Method Of
Octadecyltriethoxysilane HC-1802 CAS 7399-00-0
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