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Proceedings Paper

Diffuse Reflectance Fourier Transform Infrared Spectroscopy Of Polymers
Author(s): Jan Jansen
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Paper Abstract

Fourier transform infrared spectroscopy using diffuse reflectance optics (DRIFT) can be used as a quick, non-destructive and direct technique for the characterization of polymeric materials and products. The spectra obtained do not appear as normal infrared spectra because of specular and diffuse Fresnel reflections. The bands are distorted with first-derivative-like appearance. Mathematical differentiation results in characteristic high-resolution second-derivative-like spectra which are suitable for interpretation. The DRIFT technique is capable of analysing surface related phenomena and structural information is provided of polymer layers up to nanometer level thickness. Molecular orientation of polymeric materials can be characterized without using a polarizer.

Paper Details

Date Published: 1 December 1989
PDF: 1 pages
Proc. SPIE 1145, 7th Intl Conf on Fourier Transform Spectroscopy, (1 December 1989); doi: 10.1117/12.969638
Show Author Affiliations
Jan Jansen, Nederlandse Philips Bedrijven BV (The Netherlands)


Published in SPIE Proceedings Vol. 1145:
7th Intl Conf on Fourier Transform Spectroscopy

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