IR spectroscopic study of the structure of isotactic polypropylene deformed by the crazing mechanism

The deformation of isotropic isotactic polypropylene with a spherulitic initial structure has been studied. Fourier transform IR spectra of polypropylene deformed to various stretch ratios in air and in a physically active medium have been recorded. From the spectroscopy data, the dichroic ratios an...

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Veröffentlicht in:	Doklady. Physical chemistry (1991) 2017-02, Vol.472 (2), p.27-31
Hauptverfasser:	Yarysheva, A. Yu, Tarasevich, B. N., Yarysheva, L. M., Volynskii, A. L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Amorphous structure Chemistry Chemistry and Materials Science Crazing Deformation mechanisms Ethanol Fourier transforms Infrared spectroscopy Isotacticity Macromolecules Orientation Physical Chemistry Polypropylene Shear deformation Yield point
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