The product we are introducing is high - quality trimethoxysilane with the CAS number 2487 - 90 - 3. Trimethoxysilane is an organosilicon compound with the chemical formula CH₃Si(OCH₃)₃. It is a clear, colorless liquid at room temperature, and has a characteristic pungent odor.
Regarding its physical and chemical properties, trimethoxysilane has a molecular weight of approximately 136.22 g/mol. Its boiling point is around 102 - 103 °C, and its density is about 0.95 g/cm³ at 25 °C. It is soluble in common organic solvents such as ethanol, ether, and benzene, but reacts with water, undergoing hydrolysis to form silanols and methanol.
Trimethoxysilane has a wide range of uses in various industries. In the field of adhesives and sealants, it can be used as a coupling agent. By bonding with both inorganic materials (such as glass, metal oxides) and organic polymers (such as epoxy resins, polyurethanes), it enhances the adhesion strength between different materials, improving the performance and durability of adhesives and sealants.
In the coatings industry, it serves as an additive. It can improve the adhesion of the coating to the substrate, enhance the water - resistance, chemical - resistance, and weather - resistance of the coating. For example, in automotive coatings, it helps to form a more durable and scratch - resistant coating layer.
In the electronics industry, trimethoxysilane is used in the production of semiconductor devices. It can be used as a surface treatment agent for silicon wafers, improving the adhesion between the wafer and subsequent thin - film layers, reducing the risk of delamination and improving the reliability of semiconductor devices.
When using trimethoxysilane, proper safety measures should be taken. Wear appropriate protective clothing, gloves, and goggles to avoid direct contact with the skin and eyes. Since it is flammable, it should be used in a well - ventilated area away from open flames and heat sources.
For use as a coupling agent in adhesives, first, clean the surface of the substrate to remove any dirt, oil, or oxide layers. Then, dissolve an appropriate amount of trimethoxysilane in a suitable organic solvent (such as ethanol). Apply the solution evenly on the substrate surface and let it dry. After that, apply the adhesive as usual.
When used in coatings, add the appropriate amount of trimethoxysilane to the coating formulation during the mixing process. Stir well to ensure uniform dispersion. The addition amount usually depends on the specific coating formulation and the required performance, generally ranging from 1% - 5% by weight.
Case 1: Adhesive Application in the Furniture Industry
A furniture manufacturing company was facing problems with the adhesion of wooden components. They used a traditional adhesive, but the joints were not strong enough, and there were cases of delamination over time. The company decided to use trimethoxysilane as a coupling agent. They first cleaned the wooden surfaces with sandpaper and a solvent. Then, they prepared a 3% solution of trimethoxysilane in ethanol and applied it to the joint surfaces. After drying, they applied the adhesive. The test results showed that the shear strength of the joints increased by 30%, and the durability of the furniture was significantly improved, reducing the return rate due to joint failure.
Case 2: Coating Application in the Architectural Industry
In an architectural project, a building was located in a coastal area with high humidity and salt - rich air. The exterior wall coatings were peeling off and showing signs of corrosion after a short period. The construction company decided to add trimethoxysilane to the coating formulation. They added 2% trimethoxysilane by weight during the coating mixing process. After the coating was applied to the exterior walls, the water - resistance and corrosion - resistance of the coating were greatly enhanced. After one year of exposure to the harsh coastal environment, the coating showed only minor signs of wear, while the original coating would have been severely damaged under the same conditions.
If you have any questions, please contact us by email at info@vivalr.com or call us at (86) 15866781826.
This is William, CEO of Zhishang Chemical Co., Ltd.
Welcome to visit our factory . As the top chemical manufacturer, we have been striving for product quality, innovation , R&D, and customer service for the past 7 years. In the next 10 years or even longer, we are committed to becoming the most reliable chemical supplier in the world , creating a well-known international brand trusted by customers, with the spirit of “one meter wide, ten thousand meters deep”, we continue to focus on product research and development, continue to focus on customer service, continue to improve the supply chain service system, to create a professional chemical supply service team, to achieve win-win long-term cooperation. Please feel free to contact us if you have any questions.
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