Non-destructive raman spectroscopy for alkoxysilane hydrolysis analysis
Leverage Raman spectroscopy for non-destructive, high-throughput analysis of alkoxysilane hydrolysis. This method offers quantitative SiOH/SiOR ratio determination even in water-containing solutions, enhancing production adaptability.
Overview
Raman spectroscopy is an advanced analytical technique that offers a non-destructive approach to determine the SiOH/SiOR ratios in alkoxysilane solutions. Unlike traditional methods which may require water-free samples, Raman spectroscopy can effectively analyze solutions even in the presence of water, making it highly applicable for industrial processes involving siloxane and silicate materials. This solution is cost-effective for adaptation in production environments and provides high-throughput characterization with minimal interference from solvents.
Technical specifications
- Non-destructive and high-throughput: Capable of analyzing samples through vials or inline without contact.
- Spectral Analysis: Tracks C–O stretch reduction and Si–OH band emergence (~600–650 cm⁻¹ for Si–O–C) and Si–O–Si condensation bands (~450–500 cm⁻¹).
- Calibration: Uses 29Si NMR to set standardizations, enabling accurate comparison and potential correction factors.
- Laser Options: Utilizes either 532 or 785 nm lasers for analysis.
- Versatility: Applicable to multiple samples of R-trialkoxysilanes with varied R-groups, offering flexibility for various industrial needs.
Technology readiness level
The technology is at TRL 5, indicating that it has been validated in relevant environments but requires further development and refinement for full commercialization. A six-month timeline is anticipated to finalize methods for Raman use in production.
About Bowling Green State University
Bowling Green State University is a comprehensive public research university in Northwest Ohio with a pragmatic, industry‑engaged culture. Companies tap co‑located, application‑focused labs and shared instrumentation for prototyping, testing, and contract R&D, while structured internship and co‑op pathways provide steady talent pipelines. Its location near Toledo and the I‑75 corridor places partners close to a concentrated manufacturing and logistics ecosystem and within reach of key Midwest markets. Research is supported by competitive federal funding from agencies such as the National Science Foundation and National Institutes of Health, along with state programs and industry‑sponsored agreements. A dedicated technology transfer office streamlines IP protection, licensing, and startup support.
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