Enhanced Polymer Discrimination By Infrared Microtransmission And Microreflectance Spectroscopy

K. Krishnan; P. J. Stout; S. L. Hill

doi:10.1117/12.969472

1 December 1989 Enhanced Polymer Discrimination By Infrared Microtransmission And Microreflectance Spectroscopy

K. Krishnan, P. J. Stout, S. L. Hill

Proceedings Volume 1145, 7th Intl Conf on Fourier Transform Spectroscopy; (1989) https://doi.org/10.1117/12.969472
Event: Seventh International Conference on Fourier and Computerized Infrared Spectroscopy, 1989, Fairfax, VA, United States

Abstract

The infrared microsampling technique has dramatically influenced the polymer analysis field. Polymeric single fibers and small particles are obvious applications for qualitative microanalysis. Recent advances in methodology have addressed the characterization of otherproperties of polymeric materials whose size exceeds that of traditional microsamp pleps (10-50 micrometers). Specific layers of a laminate film may be identified by analyzing a thin microtome cross-section by microtransmission. The influence of stretching upon a polymer film may be studied in-situ by polarized microtransmission. The mechanism of polymeric deformation may be defined as a function of the degree of draw or by the satial distribution of relaxation. Molded polymer products may be non-invasively characterized by microreflectance analysis. Automated spectral imagin experiments may be performed upon many polymeric systems to associate the disg tribution of specific infrared absorptions to visually-identified sample anomalies.

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K. Krishnan, P. J. Stout, and S. L. Hill "Enhanced Polymer Discrimination By Infrared Microtransmission And Microreflectance Spectroscopy", Proc. SPIE 1145, 7th Intl Conf on Fourier Transform Spectroscopy, (1 December 1989); https://doi.org/10.1117/12.969472

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