Synthesis of polyphosphoesters was accomplished under microwave irradiation by direct
esterification or transesterification of phosphonic compounds (acids or esters) in reaction with polyethylene
glycol having different molar masses. The polyphosphoesters were characterized by IR and
1H-NMR spectral data. Gel Permeation Chromatography (GPC) with an Evaporative Light Scattering
Detector was used to determine the molar weights. The highest molecular weight was ∼8000.
Keywords: Polyphosphoesters, esterification, transesterification, microwave irradiation, phosphonic compound, H-NMR spectral
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