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AbstractAbstract
[en] Based on both a complete calculation of normal vibration frequencies and absolute IR absorption band intensities of a dimeric fragment of the 2,6-hydroxyethylcellulose macromolecule and a comparison of the results with the corresponding experimental data, a detailed interpretation of the IR spectrum (1200-960 cm-1) of this polymer is given for the first time. Its conformational characteristics in aqueous solution at 20 and 70 Celsius degrees were determined by the molecular dynamics method. It is shown that the changes observed in IR spectra of hydroxyethylcellulose in aqueous solutions upon heating may be connected with conformational transitions of the ether side groups. (authors)
Original Title
Raschet infrakrasnykh spektrov konformerov dimernogo fragmenta makromolekuly 2,6-gidroksiehtiltsellyulozy v vodnom rastvore
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Source
13 refs., 3 tabs., 2 figs.
Record Type
Journal Article
Journal
Zhurnal Prikladnoj Spektroskopii; ISSN 0514-7506;
; v. 77(1); p. 18-27

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