Journal
NEW JOURNAL OF CHEMISTRY
Volume 34, Issue 2, Pages 215-220Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b9nj00446g
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- Lehigh University
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Covalent organophosphonitridic framework nano- and microspheres were synthesized by a condensation reaction between hexachlorocyclotriphosphazene (PNC) and 3,3'-diaminobenzidine (DAB) in anhydrous dimethylformamide (DMF) at a temperature of 125 degrees C in the presence of polyvinyl pyrrolidone (PVP). The spheres were almost monodisperse and the diameter could be adjusted from 80 nm to 1.5 mu m by varying the concentration of the reactants PNC and DAB. The spheres are thermally stable up to 480 degrees C in air and are completely oxidatively- depolymerized at 750 degrees C.
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