Abstract
A new cyclotriphosphazene derivative (3) was prepared from the reaction of hexakis-(p-formilphenoxy)cyclotriphosphazene (2) with malonic acid. The structure of 3 was approved by spectroscopic techniques (FT-IR, 31P, 1H, 13C NMR) and small-angle X-ray scattering method. The thermal behavior of compound 3 was investigated by thermogravimetric (TGA) analysis and differential scanning calorimetry (DSC). This compound was found to be stable up to about 300 °C. At 310 °C 3 was decarboxylated with simultaneous conversion of the multiple bonds and the formation of a highly cross-linked polymeric residue. By theoretical calculation a sphere diameter around a molecule 3 was installed. Whereby seems promising to use 3 as a nanoscale hybrid modifier various polymers, and for the synthesis of ion-exchange resins.
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