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Synthesis and characterization of phosphorus-containing polyurethanes

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Abstract

Phenylbis(hydroxyalkyl)phosphonates were prepared by treating excess glycol(ethylene glycol or diethylene glycol) with phenylphosphonic dichloride (PPD). Phosphorus-containing homopolyurethanes were synthesized by low temperature solution polyaddition by phenylbis (hydroxyalkyl)phosphonates with tolylene diisocyanate (TDI). Copolyurethanes with various phosphorus content were prepared by copolymerization of tolylene diisocyanate with polypropylene glycol (PPG, MW = 3000), and phenylbis(hydroxyalkyl)phosphonate. All polymers were characterized by elemental analysis, infrared (IR), differential scanning calorimeter (DSC), differential thermal analysis (DTA), and thermogravimetric analysis (TGA). Thermal properties of the polyurethane were compared with that of the common polyurethane. Phosphorus containing homopolyurethanes and copolyurethanes had lower decomposition temperatures and higher char yield residue than the corresponding common polyurethane.

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Authors and Affiliations

  1. Department of Applied Chemistry, Chung Cheng Institute of Technology, Taoyuan, Taiwan, ROC

    T. C. Chang & W. Y. Shen

  2. Department of Chemistry, Chung Shan Institute of Science Technology, Taoyuan, Taiwan, ROC

    Y. S. Chiu

  3. Department of Chemistry, National Tsing Hua University, Hsinchu, Taiwan, ROC

    H. B. Chen & S. Y. Ho

Authors
  1. T. C. Chang
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  2. W. Y. Shen
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  3. Y. S. Chiu
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  4. H. B. Chen
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  5. S. Y. Ho
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Chang, T.C., Shen, W.Y., Chiu, Y.S. et al. Synthesis and characterization of phosphorus-containing polyurethanes. J Polym Res 1, 353–359 (1994). https://doi.org/10.1007/BF01378768

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