Polymerization of β-cyclodextrin with maleic anhydride along with thermogravimetric study of polymers

In this study the β-cyclodextrin (β-CD) polymer, synthesized by reaction of β-CD with maleic anhydride (MA) in anhydrous N,N-dimethylformamide (DMF) in the presence of NaH, was characterized by thermogravimetric (TG) and calorimetric (DSC) studies. The weight-average molecular weight (Mw) and the chemical structure of the polymers were described in earlier papers. The molecular weight of the polymer increased with reaction temperature. The molar ratio of the reagents was deciding in determination of the structure and molecular weight of the obtained β-CD polymers. The thermogravimetric measurements were made to explain the influence of ratio of substrates on thermal decomposition of β-cyclodextrin polymers.