为了扩展芳基硼酸衍生物的应用领域,探索其作为有机阻燃剂的应用,设计并合成了一种新型芳基硼酸衍生物：三(4,4′,4″-三硼酸-苯基)胺(3BzN-3B)。利用热重曲线和差示扫描量热曲线研究了3 BzN-3 B的热性能,研究结果发现3 BzN-3 B有较好的成炭性和较高的残炭率,其残炭率为49.1％,可作为一种有机阻燃剂使用。进一步利用热重曲线和扫描电镜研究了3 BzN-3 B对环氧树脂的阻燃性能,研究结果发现,随着3 BzN-3 B含量的增加,环氧树脂的残炭率逐渐增加,表明3 BzN-3 B在升温过程中,有促进环氧树脂成炭的作用。3 BzN-3 B是一种新型有机阻燃剂。
With the aim of developing novel organic flame retardant,aryl boric acid derivative tri-(4,4′,4″-boric acid)phenylamine(3BzN-3B) was synthesized. The thermal behaviour of 3BzN -3B was examined by thermo-gravimetry(TG)and differential scanning calorimetry(DSC). The result showed that 3BzN-3B had high char resi-due rate. The char residue rate of 3 BzN-3 B is 49. 1%. 3 BzN-3 B might be used as an organic flame retardant. The flame retardation properties of epoxy resin( EP) containing 3BzN-3B were also investigated by TG and scan-ning electron microscopy( SEM). It was found that the char residue rate of EP was increased by increasing the con-tent of 3 BzN-3 B. 3 BzN-3 B is a novel organic flame retardant.
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