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
辛坤龙(2002—),男,硕士研究生,xkl124020910273@sjtu.edu.cn
翟晓强(1972—),男,博士,教授,xqzhai@sjtu.edu.cn
收稿:2026-05-21,
修回:2026-06-28,
录用:2026-06-29,
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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.
辛坤龙, 魏翰泽, 吕胡人, 等. 聚乙二醇基本征阻燃相变材料的制备及性能研究[J/OL]. 化工学报, 2026. DOI: 10.11949/0438-1157.20260700.
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.
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
D
/A
G
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%。
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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