主要研究了不同种类阻燃剂对涂层用环氧树脂的阻燃效率的影响.该环氧树脂由双酚A的二环氧丙醚经胺类固化剂固化而得,用氮气氛下的热重分析(TGA)和锥形量热研究了其热稳定性和阻燃性.本研究中,所用的阻燃剂都是商业化应用的阻燃添加剂,包括卤素、磷、无机物、三聚氰胺衍生物和膨胀型添加剂.研究所选用的阻燃环氧体系都具有较高的商业化应用价值.研究发现,固化剂的种类对环氧树脂的阻燃性有较大影响,在阻燃和抑烟方面,溴系阻燃剂比氯系阻燃剂更有效.亚磷酸盐对于环氧树脂具有很好的阻燃作用.氢氧化镁、硼酸锌比氢氧化铝的阻燃效率高.三聚氰胺化合物能够赋予环氧树脂较好的阻燃和抑烟性,此外膨胀型添加剂也是一种有效的阻燃剂.
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