Cellulose Iβ investigated by IR-spectroscopy at low temperatures

作者: Clemens M. Altaner , Yoshiki Horikawa , Junji Sugiyama , Mike C. Jarvis

DOI: 10.1007/S10570-014-0360-X

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摘要: Highly crystalline oriented Halocynthia roretzi cellulose Iβ films were investigated by IR-spectroscopy between −180 and +10 °C. Changes in the IR-spectra induced temperature compared to published changes mechanical stretching. This made it possible conclude that frequency shifts O–H stretching region of due not predominantly an indirect effect thermal expansion leading greater O–O distances, but directly on O–H···O hydrogen bonds. Temperature C–H bands consistent with presence weak inter-sheet C–H···O Furthermore, no phase transition was found

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