In Situ Analysis of a High-Temperature Cure Reaction in Real Time Using Modulated Fiber-Optic FT-Raman Spectroscopy

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Abstract:

The vibrational spectrum of a high-temperature (330 Degrees C) polymerization reaction was successfully monitored in real time with the use of a modulated fiber-optic Fourier transform (FT)-Raman spectrometer. A phenylethynyl-terminated monomer was cured, and spectral evidence for two different reaction products was acquired. The products are a conjugated polyene chain and a cyclized trimer. This is the first report describing the use of FT-Raman spectroscopy to monitor a high temperature (>250 Degrees C) reaction in real time.

Keywords: FIBER OPTICS; FT-RAMAN; HIGH TEMPERATURE; POLYMER CURING

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702991947333

Publication date: June 1, 1999

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