Vibrational Spectroscopic Analysis of Silicones:  A Fourier Transform-Raman and Inelastic Neutron Scattering Investigation

An inelastic neutron scattering spectrum of a poly(dimethylsiloxane) (PDMS) is reported, and a spectrum simulated using a monomer molecular unit as a model for comparison. FT-Raman spectra of a series of PDMS derivatives are reported and structure spectra correlations are shown to exist for the esti...

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Bibliographic Details
Published in:Analytical chemistry (Washington) 2003-02, Vol.75 (4), p.742-746
Main Authors: Jayes, Linda, Hard, Andrew P., Séné, Christophe, Parker, Stewart F., Jayasooriya, Upali A.
Format: Article
Language:English
Subjects:
Analysis
Analytical chemistry
Chemistry
Exact sciences and technology
Neutrons
Silicones
Spectrometric and optical methods
Spectrum analysis
Vibration
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Summary:An inelastic neutron scattering spectrum of a poly(dimethylsiloxane) (PDMS) is reported, and a spectrum simulated using a monomer molecular unit as a model for comparison. FT-Raman spectra of a series of PDMS derivatives are reported and structure spectra correlations are shown to exist for the estimation of (a) PDMS average chain length, (b) ratio of the number of monofunctional units to quadrifunctional units in silicone resins, and (c) the percentage weight of PDMS in silicone emulsions.
ISSN:0003-2700
1520-6882
DOI:10.1021/ac026012f