以环氧乳液为基料,聚磷酸铵、三聚氰胺、季戊四醇(APP/MEL/PER)为防火助剂研制了超薄膨胀型钢结构防火涂料.通过调整环氧乳液/固化剂比例改变涂层的性能,研究了固化剂用量对涂料防火性能的影响.通过热分析讨论了防火助剂和环氧涂膜的分解过程及协同作用.结果表明,固化剂占环氧乳液含量15%～20%时,涂层的力学性能和防火性能均较好.
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