将单组分膨胀型阻燃剂新戊二醇磷酸酯三聚氰胺盐(NPM)和纳米硫化镉(CdS)加入聚丙烯中进行阻燃处理,应用氧指数和热重分析评价了该体系的阻燃性能和纳米CdS的阻燃协同效应,当纳米CdS加入量达到1.0 phr时,可以观察到明显的协同效果.采用红外光谱、扫描电镜和X射线衍射对纳米CdS协同机理进行了分析,结果表明,纳米CdS能促进炭层的生成,并通过催化和交联作用而影响炭层结构.
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