Molecular Orientation Measurements in Polymers by Infrared Spectral Subtraction

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Abstract:

The data manipulation ability of a Fourier transform IR spectrometer is exploited to characterize molecular orientation in polymers. In particular, the application of spectral subtraction to dichroic ratio determination and to the measurement of three-dimensional orientation via sample tilting and internal reflection spectroscopy is explored for nylon film samples.

Keywords: ATR spectroscopy; Computer, applications; Fourier transform infrared spectrometer; Infrared; Molecular structure; Surface analysis; Techniques, spectroscopic

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702814732427

Affiliations: Division of Chemistry, National Research Council of Canada, Ottawa, Ontario, Canada K1A 0R6

Publication date: July 1, 1981

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