Synergy between manganese phytate and expandable graphite on thermal stability and combustion behavior of rigid polyurethane foam

Zhang Xu; Sun Simiao; Li HandongWang ZhiXie Hua

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Synergy between manganese phytate and expandable graphite on thermal stability and combustion behavior of rigid polyurethane foam

机译：Synergy between manganese phytate and expandable graphite on thermal stability and combustion behavior of rigid polyurethane foam

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Rigid polyurethane foam (RPUF) modified by self-made manganese phytate (MnPa) and expandable graphite (EG) has been prepared successfully. The thermal stability and combustion behavior of the modified RPUFs (MEPUF) have been studied using the thermogravimetric analysis, pyrolysis kinetics analysis, smoke density analysis, limiting oxygen index (LOI), and UL-94 level test. When compared to MEPUF1 (MnPa/EG = 3/1), MEPUF2 (MnPa/EG = 1/1) had a 9.1 degrees C higher initial decomposition temperature and had a greater activation energy. Additionally, the smoke density experiment demonstrated that the light transmittance of MEPUF2 increased by 5.1% compared with MEPUF1 in 0-70s and the LOI of MEPUF2 reached 23%. The current investigation indicated that MEPUF2 had better thermal stability and flame retardancy.

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来源
《Polymers for advanced technologies》 |2023年第6期|1856-1867|共12页
作者
Zhang Xu; Sun Simiao; Li HandongWang ZhiXie Hua;
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作者单位

Shenyang Aerosp Univ;

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原文格式 PDF
正文语种英语
中图分类高分子化合物工业（高聚物工业）;有机化学;
关键词
combustion performance; manganese phytate; rigid polyurethane foam; synergy; thermal stability; FLAME-RETARDANT;

Synergy between manganese phytate and expandable graphite on thermal stability and combustion behavior of rigid polyurethane foam

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