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Fire Properties of Polystyrene−Clay Nanocomposites
Abstract
Polystyrene−clay nanocomposites have been prepared using a bulk polymerization technique. Three new “onium” salts have been used to prepare the nanocomposites, two are functionalized ammonium salts while the third is a phosphonium salt. By TGA/FTIR, both ammonium and phosphonium treatments have been shown to degrade by a Hofmann elimination mechanism at elevated temperatures. TGA/FTIR showed that the phosphonium treatment is the most thermally stable treatment when compared to the two ammonium salts. The nanocomposites were characterized by X-ray diffraction, transmission electron microscopy, strength and elongation at break, as a measure of the mechanical properties, thermogravimetric analysis, and cone calorimetry. The onset temperature of the degradation is increased by about 50 °C and the peak heat release rate is reduced by 27−58%, depending upon the amount of clay that is present. The mass loss rates are also significantly reduced in the presence of the clay.
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Cited by
New polylactide/layered silicate nanocomposites: Role of organoclays
Maiti, P., Yamada, K., Okamoto, M., Ueda, K., & Okamoto, K. (2002) · Chemistry of Materials · doi:10.1021/cm020391b · Cited by 409
The effect of clay on the thermal degradation of polyamide 6 in polyamide 6/clay nanocomposites
Jang, B. N., & Wilkie, C. A. (2005) · Polymer · doi:10.1016/j.polymer.2005.02.078 · Cited by 153
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Metadata
- Authors
- Zhu, J., Morgan, A. B., Lamelas, F. J., & Wilkie, C. A.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2001-04-28
- Volume
- 13
- Issue
- 10
- Pages
- 3774-3780
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W1975329767
- Cited by
- 603
- References
- 0
- FWCI
- 31.08
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhu, J., Morgan, A. B., Lamelas, F. J., & Wilkie, C. A. (2001). Fire Properties of Polystyrene−Clay Nanocomposites. Chemistry of Materials. https://doi.org/10.1021/cm000984r
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