Abstract
Transmission FTIR-microscopy can be applied successfully for routine analysis of the different areas of a multilayer polymer film as used in packaging industry or for new flame resistant airplane wall covers and for other high tech applications. Using a microtome cut of approx. 10μm thickness one can get a lateral resolution of the same size and spectra with excellent S/N-ratio. The method is superior as compared to the standard ATR-technique both in information delivered (micro-domains rather than areas of 1 cm2, better S/N-ratio) and ease of sample preparation. A practical comparison is described.
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Kellner, R., Fischböck, G. & Minich, C. FTIR-microscopy versus FTIR-ATR-spectroscopy for the analysis of multilayer polymer films. Mikrochim Acta 88, 271–279 (1986). https://doi.org/10.1007/BF01206720
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DOI: https://doi.org/10.1007/BF01206720