Silica silane, also known as silane-functionalized silica, is a compound that combines silica (silicon dioxide) with silane molecules. Silane molecules typically contain a silicon atom bonded to four substituents, one of which may be a siloxane group (-Si-O-Si-), which can bond with the surface of silica particles. This treatment alters the surface properties of the silica, making it more compatible with various organic materials like polymers. Silica silane is often used as a coupling agent or a filler in rubber, plastics, adhesives, and coatings to enhance properties such as adhesion, dispersion, and reinforcement.
Hydrophilic Silica