期刊
PURE AND APPLIED CHEMISTRY
卷 79, 期 11, 页码 1879-1884出版社
INT UNION PURE APPLIED CHEMISTRY
DOI: 10.1351/pac200779111879
关键词
polyphosphates; solvent-free; arylphosphoric dichlorides; gas-liquid interfacial polycondensation; polyphosphates; bisphenol A
Direct, efficient, organic solvent- and catalyst-free synthesis of a series of polyphosphates was accomplished. The reaction involved a gas-liquid interfacial poly-condensation between arylphosphoric dichlorides and bisphenol A. The polyphosphates were characterized by IR, H-1 NMR, P-31 NMR, inherent viscosity, thermal analysis, and molar mass. Yields in the range 70-90 % and inherent viscosities in the range 0.30-0.40 dl/g were obtained. The thermal stability of the polyphosphates was investigated by using thermogravimetry.
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