A FTIR Far-Infrared Study Of Isotactic Polypropylene Polymorphs

D. R. Beckett; J. M. Chalmers; M. W. Mackenzie; H. A. Willis; H. G. M. Edwards; J. S. Lees; D. A. Long

doi:10.1117/12.970865

20 December 1985 A FTIR Far-Infrared Study Of Isotactic Polypropylene Polymorphs

D. R. Beckett, J. M. Chalmers, M. W. Mackenzie, H. A. Willis, H. G. M. Edwards, J. S. Lees, D. A. Long

Proceedings Volume 0553, Fourier and Computerized Infrared Spectroscopy; (1985) https://doi.org/10.1117/12.970865
Event: 1985 International Conference on Fourier and Computerized Infrared Spectroscopy, 1985, Ottawa, Canada

Abstract

Fourier transform far-infrared spectra over the range 500-100 cm' have been recorded of crystalline isotactic polypropylene (IPP) in four polymorphic forms at 293 and 100K. Differences in the spectra, in particular splitting of certain A line-group modes, reflect the environments of isolated IPP chains within the particular unit cell configurations of the crystal form.

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D. R. Beckett, J. M. Chalmers, M. W. Mackenzie, H. A. Willis, H. G. M. Edwards, J. S. Lees, and D. A. Long "A FTIR Far-Infrared Study Of Isotactic Polypropylene Polymorphs", Proc. SPIE 0553, Fourier and Computerized Infrared Spectroscopy, (20 December 1985); https://doi.org/10.1117/12.970865

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