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首页> 外文期刊>Journal of Applied Polymer Science >The Damping and Flame-Retardant Properties of Poly(vinyl chloride)/Chlorinated Butyl Rubber Multilayered Composites
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The Damping and Flame-Retardant Properties of Poly(vinyl chloride)/Chlorinated Butyl Rubber Multilayered Composites

机译：聚氯乙烯/氯化丁基橡胶多层复合材料的阻尼和阻燃性能

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摘要

The alternating multilayered damping composites, which were consisted of chlorinated butyl rubber (CIIR) layers and poly(vinyl chloride) (PVC) layers, were first prepared through multilayered coextrusion technology. The multilayered structure was controlled by adjusting the layer number or the thickness ratio of CIIR layer and PVC layer. The damping and flame-retardant properties of the CIIR/PVC multilayered damping composites were investigated by dynamic mechanical analysis, the limiting oxygen index, and thermogravimetric analyzer, respectively. The results showed that the effective damping temperature range was broadened with increasing the layer number, since multilayered structure resulted in partial overlap of the loss peaks of CIIR and PVC. Meanwhile, the flame-retardant properties of the multilayered composites were also enhanced with increasing the layer number. Less surface area of CIIR contacting oxygen in the confined burning space, rather than the formation of char residue, could effectively retard the combustion of the material. (c) 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41259.
机译：首先，通过多层共挤出技术制备了交替的多层阻尼复合材料，该复合材料由氯化丁基橡胶（CIIR）层和聚氯乙烯（PVC）层组成。通过调节CIIR层与PVC层的层数或厚度比来控制多层结构。通过动态力学分析，极限氧指数和热重分析仪分别研究了CIIR / PVC多层阻尼复合材料的阻尼和阻燃性能。结果表明，有效阻尼温度范围随着层数的增加而扩大，因为多层结构导致CIIR和PVC的损失峰部分重叠。同时，随着层数的增加，多层复合材料的阻燃性能也得到增强。在有限的燃烧空间中，CIIR与氧气接触的表面积较小，而不是形成焦炭残留物，可以有效地阻止材料的燃烧。 （c）2014 Wiley Periodicals，Inc. J. Appl。 Polym。科学2015，132，41259。

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