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Flammability and thermal stability studies of ABS/Montmorillonite nanocomposite

✍ Scribed by Shaofeng Wang; Yuan Hu; Zhihua Lin; Zhou Gui; Zhengzhou Wang; Zuyao Chen; Weicheng Fan

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
260 KB
Volume
52
Category
Article
ISSN
0959-8103

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✦ Synopsis

Abstract

Acrylonitrile–butadiene–styrene (ABS)/montmorillonite nanocomposites have been prepared using a direct melt intercalation technique by blending ABS and organophilic clay of two different particle sizes: OMTa (5 µm) and OMTb (38 µm). Their structure and flammability properties were characterized by X‐ray diffraction, high resolution electronic microscopy (HREM), thermogravimetric analysis (TGA) and cone calorimeter experiments. The results of HREM showed that ABS/5 wt% OMTa nanocomposite was a kind of intercalated–delaminated structure, while ABS/5 wt% OMTb nanocomposite was mainly an intercalated structure. The nanocomposites showed a lower heat release rate peak and higher thermal stability than the original ABS by TGA and cone calorimeter experiments. Also, the intercalated nanocomposite was more effective than an exfoliated–intercalated nanocomposite in fire retardancy. Copyright © 2003 Society of Chemical Industry

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