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<p>The article discusses the results of a study of the effect of aqueous solution composition on the polymerization process of elemental phosphorus under the influence of accelerated electrons. Placing elemental phosphorus in water and aqueous solutions eliminates direct contact with air, thus making the process safer. In turn, adding various substances to the solution, one can control the speed and efficiency of the process. The solutions used were distilled water, degassed water, and water solutions of acetonitrile (0.01 mol·L<sup>–1</sup>), and sodium hypophosphite (1.8⋅10<sup>–5</sup> mol·L<sup>–1</sup>). It is shown that the use of aqueous solutions of acetonitrile and sodium hypophosphite allows increasing the conversion of phosphorus by 7% compared to the use of water. It is noted that these substances also increase the polymerization rate at low absorbed dose values (800–1000 kGy).</p>

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The Influence of the Composition of Aqueous Solutions as a Reaction Medium on the Parameters of Electron Beam Polymerization of Elemental Phosphorus

  • 期刊论文

  • 发表日期：

    2025年8月4日

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  • Natalia Tarasova,
  • Alexey Zanin,
  • Efrem Krivoborodov,
  • Stanislav Karavaev,
  • Nikita Ksenofontov,
  • Anatoly Ivanov

摘要

The article discusses the results of a study of the effect of aqueous solution composition on the polymerization process of elemental phosphorus under the influence of accelerated electrons. Placing elemental phosphorus in water and aqueous solutions eliminates direct contact with air, thus making the process safer. In turn, adding various substances to the solution, one can control the speed and efficiency of the process. The solutions used were distilled water, degassed water, and water solutions of acetonitrile (0.01 mol·L–1), and sodium hypophosphite (1.8⋅10–5 mol·L–1). It is shown that the use of aqueous solutions of acetonitrile and sodium hypophosphite allows increasing the conversion of phosphorus by 7% compared to the use of water. It is noted that these substances also increase the polymerization rate at low absorbed dose values (800–1000 kGy).