High-impact polystyrene nanocomposites (HIPS) with aluminium trihydroxide (ATH) and organo-modified Fe-montmorillonite (Fe-OMT) were prepared by melting intercalation. The nanocomposite structures were characterized by X-ray diffraction and transmission electron microscopy. The results show that the intercalated and exfoliated nanocomposites were formed. Accordingly, the thermal stability and flame-retardant properties were evaluated by thermogravimetric analysis, limiting oxygen index, UL94 and the cone calorimeter test. The results indicated that the nanocomposites had excellent thermal stability and the char yield was also improved. When 4 wt% organo-modified Fe-MMT was added in the HIPS/ATH (46 wt%) composites, the nanocomposites were able to achieve UL94 V-0 grade. The heat release rate, total heat release, and mass loss rate of the nanocomposites were reduced. Furthermore, the addition of Fe-OMT could further improve the smoke suppression property of HIPS composites. The improved flame-retardancy caused by Fe-OMT in the HIPS/ATH matrix maybe due to a reinforced char layer which prevents the diffusion of the oxygen and decomposed organic volatiles in the flame during combustion.
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Research Article|
July 02 2015
Improved flame-retardant properties of HIPS/ATH system by organo Fe-montmorillonite Available to Purchase
Xingguang Zhang, BEng;
Xingguang Zhang, BEng
Student, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, China
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Yanjun Li, BEng;
Yanjun Li, BEng
Student, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, China
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Shuai Yan, BEng;
Shuai Yan, BEng
Student, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, China
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Qinghong Kong, PhD;
Qinghong Kong, PhD
*
Associate Professor, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, China
*Corresponding author e-mail addresses: kongqh@mail.ujs.edu.cn and jhzhang6@mail.ustc.edu.cn
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Junhao Zhang, PhD
Junhao Zhang, PhD
*
Associate Professor, School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang Jiangsu 212018, China
State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230027, China
*Corresponding author e-mail addresses: kongqh@mail.ujs.edu.cn and jhzhang6@mail.ustc.edu.cn
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*Corresponding author e-mail addresses: kongqh@mail.ujs.edu.cn and jhzhang6@mail.ustc.edu.cn
Publisher: Emerald Publishing
Received:
April 18 2015
Accepted:
June 30 2015
Online ISSN: 2045-984X
Print ISSN: 2045-9831
ICE Publishing: All rights reserved
2015
Nanomaterials and Energy (2015) 4 (2): 159–166.
Article history
Received:
April 18 2015
Accepted:
June 30 2015
Citation
Zhang X, Li Y, Yan S, Kong Q, Zhang J (2015), "Improved flame-retardant properties of HIPS/ATH system by organo Fe-montmorillonite". Nanomaterials and Energy, Vol. 4 No. 2 pp. 159–166, doi: https://doi.org/10.1680/jnaen.15.00025
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