聚氨酯纳米阻燃技术的研究进展  

Research Progress of Nanotechnology in Flame-retardant Polyurethane

作　　者：孟玉刚[1] 霍瑞亭[1] 侯丽丽[1] 

机构地区：[1]天津工业大学先进纺织复合材料教育部重点实验室,天津300160

出　　处：《材料导报（纳米与新材料专辑）》2010年第2期160-162,173,共4页

摘　　要：介绍了纳米技术在聚氨酯阻燃中的应用进展以及聚氨酯纳米复合材料的阻燃机理,着重阐述了不同纳米阻隔层对提高聚氨酯热稳定性及阻燃性的作用机理,即在材料表面形成一种致密的阻隔炭层。该炭层具有较强的隔热隔氧的阻燃作用,与一些有机磷系阻燃剂复配使用可以达到协同阻燃的效果,通过这种协同效应可以在不降低阻燃级别的前提下降低传统阻燃剂的添加量。The application progress of nanotechnology used in flame-retardant polyurethane and the flameretardant mechanism of polyurethane nancrcomposites are reviewed. And the modifications of polyurethane by layered silicates, nano-silica, POSS and carbon nanotubes are focused on. When polyurethane is burning, a dense carbon layer barrier is formed on the surface of polyurethane, the carbon layer looks like a strong barrier to stop heat and oxygerL There is also a synergistic effect between nanoparticles and traditional flame retardants. In order to obtain satisfaclory performance, it is necessary to combine nanoparticles with conventional flame retardants.

关 键 词：聚氨酯 纳米复合材料 热稳定性 阻燃性 

分 类 号：TB332[一般工业技术—材料科学与工程]