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Raman Spectroscopy of Polymeric Materials. Part I—Selected Commercial Polymers

  • Dorothy S. Cain
  • Albert B. Harvey
Part of the Developments in Applied Spectroscopy book series (DAIS, volume 7b)

Abstract

The He—Ne laser has greatly reduced the problem of fluorescence which has in the past almost completely obscured conventionally excited (mercury arc) Raman spectra of all except the simplest and purest polymers. In many instances it is now possible to record Raman spectra of polymers without any prior purification whatever. Reported here are laser-excited Raman spectra of twelve selected commercial polymeric materials and their infrared counterparts. The complementary nature of Raman and infrared spectroscopy is apparent from vibrations such as C=C stretching (in polybutadiene) and S-S and C-S stretching (in polysulfide rubber) which give rise to strong Raman lines but produce weak infrared absorption bands. Conversely, the C=O group of polycarbonates and polyesters is a strong infrared absorber which produces a weak Raman line.

Keywords

Raman Spectrum Raman Spectroscopy Natural Rubber Raman Line Instrument Setting 
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

© Chicago Section of the Society for Applied Spectroscopy 1970

Authors and Affiliations

  • Dorothy S. Cain
    • 1
  • Albert B. Harvey
    • 1
  1. 1.Naval Research LaboratoryUSA

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