The Raman scattering study of selected polyoxyethyleneglycols

The Raman scattering spectra of polyoxyethyleneglycols were obtained vs. water solution concentration and temperature for two polymers (the molecular weight 1500 and 2000). On the basis of the characteristic frequency data of atomic group vibration in organic compounds, the characteristic bands obse...

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Bibliographic Details
Published in:Journal of molecular liquids 2004-04, Vol.111 (1), p.1-5
Main Authors: Kozielski, Marek, Mühle, Magdalena, Błaszczak, Zdzisław
Format: Article
Language:English
Subjects:
Polyoxyethyleneglycols
Raman spectroscopy
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Summary:The Raman scattering spectra of polyoxyethyleneglycols were obtained vs. water solution concentration and temperature for two polymers (the molecular weight 1500 and 2000). On the basis of the characteristic frequency data of atomic group vibration in organic compounds, the characteristic bands observed in the Raman spectra for polyoxyethyleneglycols have been assigned. The temperature ranges of the phase transition and the changes in the order parameters for the first time on the basis of the Raman spectra have been estimated from the temperature dependence of the phonon band parameters. Moreover, the shape of the O–H band vs. water polymer solution concentration has been examined.
ISSN:0167-7322
1873-3166
DOI:10.1016/j.molliq.2003.10.002