Flammability Properties of Polymer−Layered-Silicate Nanocomposites. Polypropylene and Polystyrene Nanocomposites

Our continuing study of the mechanism of flammability reduction of polymer−layered-silicate nanocomposites has yielded results for polypropylene-graft-maleic anhydride and polystyrene−layered-silicate nanocomposites using montmorillonite and fluorohectorite. Cone calorimetry was used to measure the...

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Bibliographic Details
Published in:Chemistry of materials 2000-07, Vol.12 (7), p.1866-1873
Main Authors: Gilman, Jeffrey W, Jackson, Catheryn L, Morgan, Alexander B, Harris, Richard, Manias, Evangelos, Giannelis, Emmanuel P, Wuthenow, Melanie, Hilton, Dawn, Phillips, Shawn H
Format: Article
Language:English
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Summary:Our continuing study of the mechanism of flammability reduction of polymer−layered-silicate nanocomposites has yielded results for polypropylene-graft-maleic anhydride and polystyrene−layered-silicate nanocomposites using montmorillonite and fluorohectorite. Cone calorimetry was used to measure the heat release rate and other flammability properties of the nanocomposites, under well-controlled combustion conditions. Both the polymer−layered-silicate nanocomposites and the combustion residues were studied by transmission electron microscopy and X-ray diffraction. We have found evidence for a common mechanism of flammability reduction. We also found that the type of layered silicate, nanodispersion, and processing degradation have an influence on the flammability reduction.
ISSN:0897-4756
1520-5002
DOI:10.1021/cm0001760