Non-destructive Raman–Chemometric method for quantifying early hydrolysis in organo-alkoxysilanes
A novel Raman spectroscopy method combined with chemometric modeling quantifies early hydrolysis in organo-alkoxysilanes without sample preparation. This rapid, non-destructive technique is ideal for routine industrial quality assessments and potential in-line monitoring, offering a direct measurement of chemical changes.
Overview
This innovative solution introduces a non-destructive technique that leverages Raman spectroscopy coupled with chemometric analysis to quantify early hydrolysis in organo-alkoxysilanes. Unlike conventional methods that rely on indirect indicators, this approach directly measures the chemical state of the formulation by analyzing the spectral evolution of Si–O–C, Si–OH, and Si–O–Si bonds. This method is particularly advantageous for industrial settings, providing rapid (under five minutes) and accurate measurements without the need for sample preparation or modification.
Technical specifications
- Non-destructive testing: Quantifies hydrolysis directly in the stored material without altering the sample.
- Raman spectroscopy: Detects changes in Si–O bonding chemistry, unaffected by water or solvent backgrounds.
- Chemometric modeling: Converts Raman spectral data into a quantitative Degree of Hydrolysis metric.
- Rapid and reliable: Suitable for at-line quality assessments and potential in-line monitoring.
- Versatile: Works effectively in complex mixtures and through glass vials.
Technology readiness level
Currently at TRL 3, this technology is in the development phase, having established spectral fingerprints and in-progress calibration models. The next steps involve validating the model with industrial samples and integrating it into Raman software for practical deployment.
About Rice University
Rice University is a private research university in Houston recognized for small scale and intensive research. Industry engages through on-campus design and prototyping facilities and multi-tenant research space adjacent to the Texas Medical Center, enabling clinical collaboration and rapid validation. A university-backed innovation district in central Houston links corporate R&D with faculty labs, startups, and talent, and proximity to the Energy Corridor and NASA’s Johnson Space Center provides access to regional clusters. Research is supported by competitive federal funding from agencies such as NSF, NIH, DOE, NASA, and DoD. A dedicated technology transfer office supports IP strategy, licensing, startup formation, and streamlined sponsored research agreements.
delivered to your inbox.