玫性次磷酸盐阻燃ABS的阻燃性能及俎燃机理的研究
摘要
为提高次磷酸盐的阻燃效率,对次磷酸铝进行表面改,15。当ABS基体中添JJ022wt%改,15次磷酸盐(KMAHP),阻燃ABS体系的氧指数提高到1.125.5%,UL94测试等级通过V一0;而且改性次磷酸铝阻燃ABS比未改,15阻燃ABS体系的缺口冲击强度提高了2倍。通过锥型量热仪(Cone Calorimeter Test)、扫描电子显微镜(SEM)等测试结果表明改性次磷酸铝阻燃ABS复合材料的阻燃机理呈现更多的凝聚相阻燃机制。
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