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2014 | 126 | 1 | 419-420
Article title

Solid State ^{13}C NMR Study of Modified Polyhydroxybutyrate

Content
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Languages of publication
EN
Abstracts
EN
Structural changes in polyhydroxybutyrate (PHB) brought about by addition of chain extender and/or plasticizer were studied using ^{13}C MAS NMR spectra, which were measured using the direct polarization technique at 30 and 98°C. Four resonances associated with the CO, CH, CH_{2} and CH_{3} groups of PHB were observed in the spectra. The CH_{3} resonance appearing at 98°C shows splitting into two lines related to the crystalline and amorphous regions. Analysis of the CH_{3} resonances made it possible to estimate the influence of applied modifications on crystallinity and distribution of conformations in amorphous and crystalline domains of PHB samples.
Keywords
EN
Contributors
author
  • Department of Physics, Technical University of Košice, Park Komenského 2, 042 00 Košice, Slovakia
author
  • Department of Physics, Technical University of Košice, Park Komenského 2, 042 00 Košice, Slovakia
author
  • Department of Physics, Technical University of Košice, Park Komenského 2, 042 00 Košice, Slovakia
  • Department of Physics, Technical University of Košice, Park Komenského 2, 042 00 Košice, Slovakia
author
  • Polymer Institute, Slovak Academy of Sciences, Dúbravská cesta 9, 845 41 Bratislava, Slovakia
author
  • Institute of Polymer Materials, Slovak University of Technology, Radlinského 9, 812 37 Bratislava, Slovakia
References
  • [1] P. Alexy, P. Bugaj, J. Feranc, M. Pavlačková, K. Tomanová, F. Benovič, R. Plavec, M. Mihalík, M. Botošová, Chem. Listy 105, 241 (2011)
  • [2] F. Nozirov, Z. Fojud, J Klinowski, S. Jurga, Solid State Nucl. Magn. Reson. 21, 197 (2002), doi: 10.1006/snmr.2002.0060
  • [3] L. Zhang, H. Tang, G. Hou, Y. Shen, F. Deng, Polymer 48, 2928 (2007), doi: 10.1016/j.polymer.2007.03.026
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv126n1203kz
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