Transcription of AMORPHOUS CELLULOSE – STRUCTURE AND …
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AMORPHOUS CELLULOSE – STRUCTURE AND …
CELLULOSE CHEMISTRY AND TECHNOLOGY CELLULOSE Chem. Technol., 45 (1-2), 13-21 (2011) AMORPHOUS CELLULOSE STRUCTURE AND characterization DIANA CIOLACU, FLORIN CIOLACU* and VALENTIN I. POPA* Petru Poni Institute of Macromolecular Chemistry Iasi, Romania * Gheorghe Asachi Technical University Iasi, Romania Received July 26, 2010 AMORPHOUS CELLULOSE was obtained from different types of celluloses (microcrystalline CELLULOSE , dissolving pulp and cotton CELLULOSE ), by regeneration with ethanol from their solutions in an SO2-diethylamine-dimethylsulfoxide (SO2-DEA-DMSO) solvent system. Different techniques, X-ray diffraction (XRD), FTIR spectroscopy and differential scanning calorimetry (DSC) were used to estimate the crystallinity degree. The values obtained for AMORPHOUS celluloses were compared with those of the initial samples and correlated with their supramolecular structures.
CELLULOSE CHEMISTRY AND TECHNOLOGY Cellulose Chem. Technol., 45 (1-2), 13-21 (2011) AMORPHOUS CELLULOSE – STRUCTURE AND CHARACTERIZATION DIANA CIOLACU, FLORIN CIOLACU* and VALENTIN I. POPA* “Petru Poni” Institute of Macromolecular Chemistry Iasi, Romania
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