Thermal degradation and flame retardancy of polypropylene/C60 nanocomposites

被引：67
|
作者：
Fang, Zhengping [1 ,2 ]
Song, Pingan [1 ,2 ]
Tong, Lifang [2 ]
Guo, Zhenghong [1 ]
机构：
[1] Zhejiang Univ, Ningbo Inst Technol, Lab Polymer Mat & Engn, Ningbo 315100, Zhejiang, Peoples R China
[2] Zhejiang Univ, Minist Educ, Key Lab Macromol Synth & Functionalizat, Inst Polymer Composites, Hangzhou 310027, Peoples R China
来源：
THERMOCHIMICA ACTA | 2008年 / 473卷 / 1-2期
关键词：
fullerene; polypropylene; thermal stability; flame retardancy;
D O I：
10.1016/j.tca.2008.04.019
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Nanocomposites based on polypropylene (PP) and fullerene C-60 (in the range of 0.5-2 wt%) were prepared by melt compounding. It was observed that C-60 Could not only significantly enhance the thermal stability in nitrogen but also considerably delay the oxidation decomposition in air of polypropylene. Unexpectedly, the incorporation of C-60 greatly reduced the heat release rate of PP and resulted in a longer time to ignition. And the free radicals-trapping mechanism of C-60 was proposed for explaining the enhanced thermal properties and improved flame retardancy of PR Therefore, C-60 will be an effective flame retardant like carbon nanotubes and clay for PR (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：106 / 108
页数：3
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