Dynasylan, an organic silane coupling agent used by Winchuang ® Overview of PTEO propyl triethoxysilane:
Dynasylan ® PTEO propyl triethoxysilane (Also known as:Silane coupling agent PTEO,Adhesive PTEO)Developed and produced by Evonik Evonik Degussa AG, an alkyl trialkoxysilane, is an important component of the sol gel system.
Dynasylan ® PTEO propyl triethoxysilane is a colorless, low viscosity liquid. Dynasylan ® PTEO propyl triethoxysilane is considered to have triple functionality because all three alkoxy groups can be hydrolyzed. Dynasylan ® PTEO propyltriethoxysilane contains a propyl group, which makes the sol gel coating hydrophobic. The silicon hydroxyl group generated by hydrolysis, followed by condensation reaction, achieves the formation of very stable silicon oxygen bonds (- Si-O-Si -). Once a certain amount of silanol groups are generated, the condensation and hydrolysis reactions 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.
Winning Dynasylan ® PTEO propyl triethoxysilane packaging specifications:
packing | Net weight |
Drum | 25KG/barrel |
Drum | 180KG/barrel |
Winning Dynasylan ® Application of PTEO propyl triethoxysilane:
In some sol-gel applications, Dynasylan ® PTEO propyltriethoxysilane is partially hydrolyzed to produce intermediate products that can be further crosslinked at high temperatures. This pre hydrolysis usually involves the participation of other organic functional silanes, silicates, or even silica hydrosols. 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 and organic resins, and the mixture is then cured using standard organic methods. According to this method, 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.
The reaction between Dynasylan ® PTEO propyl triethoxysilane and water is better than that of Dynasylan ® PTMO needs to be slow. Catalysts (inorganic acids or ammonia, even acetic acid and amines)
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