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<p>A phosphorus-containing epoxy monomer, triglycidyl phosphate (TGPhT), and europium(III) nitrate hexahydrate were used to synthesize europium-containing polymers. The study identified the conditions for maximum solubility of europium nitrate in TGPhT, reaching up to 50 wt%. The influence of salt concentration on TGPhT gelation was investigated, and the activation energy of this process was calculated. It was shown that TGPhT–europium nitrate liquid systems exhibit extended gelation times. The curing process of triglycidyl phosphate under the influence of europium nitrate was optimized and polymer samples with different salt content were obtained. The effect of europium nitrate concentration on the refractive index, transparency, luminescent properties, and glass transition temperature of the TGPhT-based polymer was studied.</p>

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Effect of europium(III) nitrate on the gelation process of triglycidyl phosphate and the properties of the resulting polymers

  • 期刊论文

  • 发表日期：

    2026年3月20日

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  • R. R. Amirov,
  • K. A. Andrianova,
  • K. S. Zimin,
  • Artemii Shmelev,
  • L. M. Amirova

摘要

A phosphorus-containing epoxy monomer, triglycidyl phosphate (TGPhT), and europium(III) nitrate hexahydrate were used to synthesize europium-containing polymers. The study identified the conditions for maximum solubility of europium nitrate in TGPhT, reaching up to 50 wt%. The influence of salt concentration on TGPhT gelation was investigated, and the activation energy of this process was calculated. It was shown that TGPhT–europium nitrate liquid systems exhibit extended gelation times. The curing process of triglycidyl phosphate under the influence of europium nitrate was optimized and polymer samples with different salt content were obtained. The effect of europium nitrate concentration on the refractive index, transparency, luminescent properties, and glass transition temperature of the TGPhT-based polymer was studied.