聚氨酯硬质泡沫塑料是一种综合性能优异的功能材料,应用十分广泛。近年来,随着环保标准与防火要求的提高,与聚氨酯硬质泡沫相关的研究取得了可喜的成果。为了给后续研究提供参考,对比分析了氯氟烃、戊烷等物理发泡剂和全水化学发泡对阻燃的影响,介绍了阻燃聚氨酯硬质泡沫的发展概况,梳理了无卤阻燃聚氨酯硬质泡沫的阻燃机理,综述了阻燃聚氨酯硬质泡沫在重点领域的应用进展情况。
Polyurethane rigid foam (RPUF) is a functional material with excellent comprehensive performance and extensive application.In recent years,the research related to RPUF has achieved gratifying results with the improvement of environmental protection standards and fire protection requirements.Aiming to provide reference for subsequent research,the effects of physical blowing agents,such as chlorofluorocarbon and pentane,as well as all water-blown chemical foaming on the flame retardancy were compared and analyzed.The development overview of flame-retardant RPUF was introduced,and its flame-retardant mechanism was presented.Finaly,the application progress of flame-retardant RPUF in key fields was reviewed.
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基金资助
国家科技重大专项(2017ZX06002004)
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