Evonik (formerly Degussa AG) MTES, Dynasylan MTES, methyltriethoxysilane Overview:
Applied in industrial fields such as adhesives, sealants, coatings, inks, fiberglass, composite materials, etc., in dealcoholized silicone sealants, it has high purity and low chloride ions; In ceramic coatings, it is the basic raw material for synthesizing sol-gel; In the coating industry, controlling the flexibility of coatings,
Dynasylan ® MTES methyl triethoxysilane (Also known as:Silane coupling agent MTES,Adhesive MTES）Developed and produced by Evonik Evonik Degussa AG, an alkyl trialkoxysilane, is an important component of the sol gel system.
Dynasylan ® MTES methyltriethoxysilane is a colorless, low viscosity liquid. Use necessary acid or base catalyzed hydrolysis. Dynasylan ® MTES methyltriethoxysilane is considered a trifunctional silane because all three alkoxy groups can be hydrolyzed. In addition, Dynasylan ® MTES methyltriethoxysilane contains a methyl group, which gives the product organic properties. The silicon hydroxyl group generated by hydrolysis, followed by condensation reaction, forms a very stable silicon oxygen bond (- Si-O-Si -). Once a certain amount of silanol groups are generated, condensation and hydrolysis proceed in parallel. The absolute and relative hydrolysis rates, as well as the degree of condensation, are determined by a series of factors. The main factors are pH value, concentration, solvent, temperature, and catalyst.
Dynasylan ® MTES methyltriethoxysilane functionality:
Dynasylan ® MTES reacts more with water than Dynasylan ® MTMS methyltriethoxysilane is slower. To accelerate hydrolysis, the addition of a hydrolysis catalyst (inorganic acid or ammonia, even acetic acid and amines) or a co solvent such as alcohol can promote its hydrolysis.
Evonik (formerly Degussa AG) MTES, Dynasylan MTES, methyltriethoxysilane application:
In some sol gel applications, Dynasylan ® MTES methyl triethoxysilane is partially hydrolyzed to produce intermediate products that can be further crosslinked at high temperatures. This pre hydrolysis usually involves other organic functional silanes, silicates (such as Dynasylan) ® A) Even silica hydrosols are involved. This intermediate product can be prepared by adding organic resins or inorganic nanoparticles, such as AEROSIL ®， Further modification. Inorganic/organic network structures can also be formed by adding organic functional groups (such as aminopropyl) to silane, organic resins, and through standard organic polymerization methods. According to this principle, anti fouling coating with higher UV stability than traditional organic coatings can be achieved. At the same time, compared to traditional resins, it can generate more fire-resistant materials.
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