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首页> 外文期刊>Polymers for advanced technologies >Effect on thermal and combustion behaviors of montmorillonite intercalation nickel compounds in polypropylene/IFR system
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Effect on thermal and combustion behaviors of montmorillonite intercalation nickel compounds in polypropylene/IFR system

机译：聚丙烯/ IFR系统中蒙脱土插层晶体化合物热燃烧行为的影响

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摘要

A new montmorillonite intercalation nickel compound (MINC) was devised and synthesized. MINC was modified by cetyl trimethyl ammonium bromide to obtain organic MINC (OMINC). The results of X-ray diffraction show that the layer spacing was expanded by nickel compound and cetyl trimethyl ammonium bromide, indicating that OMINC was prepared successfully. OMINC was further incorporated into polypropylene (PP)/intumescent flame retardant (IFR) system for preparing PP/IFR/OMINC nanocomposites via melt blending. In thermogravimetric analysis, PP/IFR/OMINC nanocomposites exhibit an enhanced thermal behavior and residue amount. Vertical burning test (UL-94) and limited oxygen index results show that PP/IFR/OMINC nanocomposites have excellent flame retardance, i.e. the limited oxygen index value at 29.5 and UL-94V0 level for PP/IFR/4wt%OMINC nanocomposites. According to cone calorimeter testing, the addition of OMINC brings an efficient reduction of flammability parameters, such as peak heat release rate, total heat release, and smoke production rate. Copyright (c) 2015 John Wiley & Sons, Ltd.
机译：设计了一种新的Montmorillonite插层镍化合物（MINC）并合成。 MINC由十六烷基三甲基溴化铵改性，得到有机MINC（OMINC）。 X射线衍射的结果表明，层间距由镍化合物和十六烷基三甲基溴化铵膨胀，表明常晶已成功制备。通过熔融共混制备PP / IFR / OMINC纳米复合材料，进一步掺入聚丙烯（PP）/膨胀阻燃剂（IFR）系统中。在热重分析中，PP / IFR / OMINC纳米复合材料表现出增强的热行为和残留量。垂直燃烧试验（UL-94）和有限的氧指数结果表明，PP / IFR / OMINC纳米复合材料具有优异的阻燃性，即PP / IFR / IFR / 4wt％OMINC纳米复合材料的29.5和UL-94V0水平的有限氧指数值。根据锥形量热仪测试，添加Ominc的添加有效地减少可燃性参数，例如峰热释放速率，总热释放和烟雾生产率。版权所有（c）2015 John Wiley＆Sons，Ltd。

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