Abstract
The adsorption of bis-[3-(triethoxysilyl)propyl]tetrasulfide (Si-69) coupling agent onto fumed silica is affected by the solvent polarity and the silane concentration. Chemisorbed silane onto silica studied by quantitative FTIR reveals that polar solvents, especially water and ethanol, yield significantly more chemisorbed silane than non-polar solvents. In contrast, physisorbed silane is dominant in non-polar solvents. In the case of silane concentration effect, the chemisorbed silane increases with silane concentration until the saturation point. By varying silane concentration, physisorbed silane in both polar and non-polar solvents is found to increase as the silane concentration increases.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
