Quantification of hydrolyzed organosilane using exothermic DSC analysis
A novel method for quantifying hydrolyzed organosilane content using differential scanning calorimetry (DSC) to measure exothermic reactions with nucleophiles, offering rapid and practical industrial quality control without the need for complex spectroscopy.
Overview
This innovative solution leverages the exothermic reactions between nucleophiles and alkoxysilanes (Si-OR) in concentrated organosilane solutions to quantify hydrolyzed content. By using differential scanning calorimetry (DSC), this method provides a rapid and accessible means for industrial quality control, eliminating the need for complex spectroscopic instrumentation such as NMR or HPLC. The approach involves adding a controlled amount of nucleophile to the organosilane sample and heating it within the DSC to generate a characteristic exotherm. This exotherm correlates directly with the concentration of unhydrolyzed organosilane, enabling precise quantification through a calibration curve.
Technical specifications
Key features:
- Utilizes differential scanning calorimetry (DSC) for rapid (<1 hr) quantification
- Requires minimal sample material (<10 mg)
- Calibration against standardized samples for quantitative analysis
- Applicable to various alkoxysilanes such as APTES, GPTMS, and MTMS
- Elimination of premature reactions through elevated measurement temperatures
- Suitable for industrial environments where traditional spectroscopic methods are impractical
Technology readiness level
The method is currently at Technology Readiness Level 3, indicating that it has been validated through analytical studies and is in the experimental proof-of-concept stage. Further development is planned, including calibration curve creation and testing on real industrial formulations, to advance the technology towards industrial applicability.
About Arizona State University
Arizona State University is a comprehensive public research university with a multi-campus presence across the Phoenix metropolitan area and a scale that supports interdisciplinary, use-inspired discovery. Industry partners access co-located laboratories, a research and technology park, and innovation centers that house corporate teams with faculty to speed prototyping and validation. A formal alliance with a major hospital system and proximity to a fast-growing manufacturing corridor enable clinical translation and pilot-scale testbeds, while applied student engagements create dependable talent pipelines. Research is backed by competitive federal funding from agencies such as NSF, NIH, DOE, DOD, and NASA. A dedicated technology transfer office supports IP, licensing, and startup formation.
delivered to your inbox.