Solvent and catalyst-free synthesis of polyphosphates
文献情報
Smaranda Iliescu, Gheorghe Ilia, Nicoleta Plesu, Adriana Popa, Aurelia Pascariu
Direct, efficient, solvent and catalyst-free synthesis of a series of polyphosphates was accomplished. The reaction involved a gas–liquid interfacial polycondensation between alkyl(aryl)phosphoric dichlorides and aromatic diols. The polyphosphates were characterized by IR, 1H NMR, inherent viscosity, thermal analysis, X-ray diffractions and molar mass. Yields in the range 75–90% and inherent viscosities in the range 0.24–0.45 dl g−1 were obtained. Polyphosphates were stable up to 170–250 °C, depending on phosphoric dichloride type. The X-ray diffraction patterns revealed that almost all the polymers were amorphous.
関連文献
Proceedings of the Society of Public Analysts and other Analytical Chemists
DOI: 10.1039/AN943680001A
Joint meeting with the Food Group of the Society of Chemical Industry
DOI: 10.1039/AN943680033A
Department of Scientific and Industrial Research. Investigation of atmospheric pollution: 1941–42
DOI: 10.1039/AN943680017B
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