Application of Raman Spectroscopy to Nondestructive Analysis of Organic and Inorganic Pigments in Paint Systems

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  • ラマン分光法を活用する塗膜中顔料成分の非破壊分析
  • ラマン ブンコウホウ オ カツヨウ スル トマク チュウ ガンリョウ セイブン ノ ヒハカイ ブンセキ

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Abstract

A rapid nondestructive analysis of organic and inorganic pigments in coating films was carried out by the method using Raman spectroscopy.<BR>Infrared spectroscopy has been commonly used as one of rapid methods for the identification of coating resins and their constituents, but no appreciable attempt has been made for the identification of pigments in coating films directly. The purpose of the present paper was to compare infrared and Raman spectra of coating films, and to demonstrate the usefulness on the investigation of structural characterization of pigments in some coating systems.<BR>Our study on the analysis of pigments in coating films with infrared and Raman spectroscopies showed a complementary nature of these techniques : Raman spectroscopy is very useful for pigment identification while infrared spectroscopy is useful for resin characterization.

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