Preparation and performance study of polyethylene glycol-based flame-retardant phase change materials

XIN Kunlong; WEI Hanze; LYU Huren; ZHAI Xiaoqiaong

doi:10.11949/0438-1157.20260700

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Preparation and performance study of polyethylene glycol-based flame-retardant phase change materials

更新时间：2026-06-29

- Preparation and performance study of polyethylene glycol-based flame-retardant phase change materials
- CIESC Journal (2026)
- 作者机构：
  
  1.上海交通大学制冷与低温工程研究所，上海 200240
  2.上海核工程研究设计院股份有限公司，上海 200233
- 作者简介：
- 基金信息：
- DOI：10.11949/0438-1157.20260700
  CLC： TK116
- Received：21 May 2026，
  
  Revised：2026-06-28，
  
  Accepted：29 June 2026，
- 稿件说明：
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XIN Kunlong, WEI Hanze, LYU Huren, et al. Preparation and performance study of polyethylene glycol-based flame-retardant phase change materials[J/OL]. CIESC Journal, 2026.
DOI：

XIN Kunlong, WEI Hanze, LYU Huren, et al. Preparation and performance study of polyethylene glycol-based flame-retardant phase change materials[J/OL]. CIESC Journal, 2026. DOI： 10.11949/0438-1157.20260700.

摘要

以聚乙二醇（PEG）、9

10-二氢-9-氧杂-10-磷杂菲-10-氧化物（DOPO）为原料，通过改变接枝位置成功合成两种磷系阻燃相变材料（DPEG1和DPEG2），又在DPEG1基础上引入苯胺，合成一种磷-氮系阻燃相变材料（DAPEG），采用红外光谱和核磁共振对材料结构进行表征，并通过差示扫描、热重分析等表征手段对不同材料的相变性能、热稳定性与阻燃性能进行了横向对比。结果表明阻燃基团的接入促进材料形成连续炭层，提高材料的阻燃性能。DAPEG表现最优：相变焓为73.21 J/g，最大热解温度由398.35 ℃提升至406.08 ℃，最大热解速率由5.79 %/℃下降至3.17 %/℃，700 ℃时残炭率由0.51%提升至6.03%，炭层A

由3.70降低至3.01，峰值热释放速率由730.8 w/g降至593.2 w/g，下降了18.8%。

Abstract

Two phosphorus-based flame-retardant phase change materials (DPEG1 and DPEG2) were successfully synthesized using polyethylene glycol (PEG) and 9

10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) as raw materials

with the grafting position varied. Based on DPEG1

aniline was grafted to synthesize a phosphorus-nitrogen flame-retardant phase change material (DAPEG). The material structure was characterized by Fourier transform infrared

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references

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