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Use of Curve Analysis to Analyze Overlapping Bands in the Infrared Spectra of Polymers

  • B. Jasse
Part of the Polymer Science and Technology book series (POLS, volume 36)

Abstract

Derivative spectroscopy and Fourier self-deconvolution methods used to enhance the apparent resolution of spectra were applied to overlapped regions of the infrared spectra of three polymers: (i) the methylene rocking band of polyethylene in the 750 to 700 cm−1 range; (ii) polystyrene in the 600 to 500−1 cm range which is sensitive to the conformational structure; and (iii) an epoxy resin in the range 3200 to 2700 cm−1 where an absorption band relative to the epoxy group at 2984 cm−1 allows to study the curing reaction. Fourier self-deconvolution was found to give the best results to estimate peak positions and half-widths. The curve analysis of the different spectra was done using deconvolution results as starting values.

Keywords

Curve Analysis Epoxy Group Fourier Space High Frequency Side Fourth Derivative 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1987

Authors and Affiliations

  • B. Jasse
    • 1
  1. 1.Laboratoire de Physicochimie Structurale et MacromoléculaireEcole Supérieure de Physique et de Chimie Industrielles de ParisParis Cedex 05France

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