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<p>Phase equilibria at temperatures of 0 to –60°C are studied in sections of the urea–propylene glycol–water system with urea to propylene glycol ratios of 3 : 1 to 1 : 3. It is found that the introduction of propylene glycol into the urea–water system makes it possible to obtain anti-icing compositions that are effective at temperatures below –11°C, down to temperatures of –35 to –40°C, with satisfactory melting capacity for ice. The compositions are promising for the development of anti-icing reagents on their basis.</p>

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Anti-Icing Compositions Based on Urea and Propylene Glycol

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • E. A. Frolova,
  • D. F. Kondakov,
  • V. P. Danilov

摘要

Phase equilibria at temperatures of 0 to –60°C are studied in sections of the urea–propylene glycol–water system with urea to propylene glycol ratios of 3 : 1 to 1 : 3. It is found that the introduction of propylene glycol into the urea–water system makes it possible to obtain anti-icing compositions that are effective at temperatures below –11°C, down to temperatures of –35 to –40°C, with satisfactory melting capacity for ice. The compositions are promising for the development of anti-icing reagents on their basis.