Abstract
The β-cyclodextrin (β-CD) polymers were prepared by crosslinking β-CD with succinic anhydride (SA) in anhydrous N,N-dimethylformamide (DMF) in the presence of sodium hydride (NaH). The formed multi-oxoanionic β-CD derivatives can react with more than two anhydride molecules, yielding polymers with butanodioic ester bridges. The weight-average molecular weight (Mw) and the chemical structure of the polymers were described in earlier papers. It was observed that the molecular weight of polymers increased with reaction temperature. The molar ratio of reagents was important for determination of structure and molecular mass of the obtained β-CD polymers. The thermogravimetric (TG) and calorimetric (DSC) studies of polymers also were carried out.
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Girek, T., Ciesielski, W. Polymerization of β-cyclodextrin with succinic anhydride and thermogravimetric study of the polymers. J Incl Phenom Macrocycl Chem 69, 439–444 (2011). https://doi.org/10.1007/s10847-010-9777-5
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DOI: https://doi.org/10.1007/s10847-010-9777-5