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Anomalously high intensity of bands in the FTR-spectra of individual kinds of polymers

Zhbankov, R.G. ; Zhbankova, M.R. ; Baran, J. ; Marchewka, M. ; Ratajczak, H.

Journal of molecular structure, 2005-06, Vol.744, p.585-587 [Periódico revisado por pares]

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Título:
Anomalously high intensity of bands in the FTR-spectra of individual kinds of polymers
Autor: Zhbankov, R.G. ; Zhbankova, M.R. ; Baran, J. ; Marchewka, M. ; Ratajczak, H.
Assuntos: FTRaman-spectroscopy ; Introduction-exited atomic groups ; Poly( p-phenylene-1,3,4-oxadiazole) ; Polymer fiber ; Resonance interaction
É parte de: Journal of molecular structure, 2005-06, Vol.744, p.585-587
Descrição: FTR spectra of thermally stable polymer fibers based on poly( p-phenylene-1,3,4-oxadiazole) is investigated using Nd:YAG laser at 1064 nm as an excitation source. An anomally high intensity of bands in the 1500–1700 cm −1 range has been revealed. The features of the FTR spectra depending on the conditions of preparing polymer fibers and of the experimental parameters have been considered. A preliminary conclusion has been drawn that laser radiation has a specific polarization effect with subsequent resonance interaction of induction-excited atomic groups in hetero-cycles of the macromolecular chain of the polymer fibers based on poly( p-phenylene-1,3,4-oxadiazole).
Editor: Elsevier B.V
Idioma: Inglês

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