Quality control of silane mixtures with low-field NMR spectroscopy

In recent years, functional trialkoxy silanes have proven their versatility. After hydrolysis with water or alcohols, modified silanes are applied in numerous applications: from weather protection of buildings to bonding-imparting properties in the glass fiber industry, for sealants and adhesives, for coatings and paints to the modification of polymer materials.

Commercial benchtop NMR spectro-meters have the potential to be used in silane chemistry as an online method for reaction monitoring and quality control thanks to the presence of ²⁹Si nuclei and the characteristic ¹H fingerprints of the components.

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