Geodesic
Study of internal rotation of polyetherimides by FTIR absorption spectra
Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Kazanskii Gosudarstvennyi Universitet. Uchenye Zapiski. Seriya Fiziko-Matematichaskie Nauki, Tome 148 (2006) no. 1, pp. 99-108 
D. Z. Galimullin; D. I. Kamalova; I. M. Kolyadko; A. B. Remizov; M. Kh. Salahov. Study of internal rotation of polyetherimides by FTIR absorption spectra. Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Kazanskii Gosudarstvennyi Universitet. Uchenye Zapiski. Seriya Fiziko-Matematichaskie Nauki, Tome 148 (2006) no. 1, pp. 99-108. http://geodesic.mathdoc.fr/item/UZKU_2006_148_1_a11/
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     title = {Study of internal rotation of polyetherimides by {FTIR} absorption spectra},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {99--108},
     year = {2006},
     volume = {148},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2006_148_1_a11/}
}
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Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

Internal rotation of fragments of polyetherimides' macromolecules has been studied by the FTIR spectroscopic method of conformational probes. Based on analysis of absorption bands contours, the estimation of local mobility of CH$_3$ and CF$_3$ groups in these polymers was carried out. The types of local mobility of different fragments in polyetherimides have been determined.

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