Mechanical properties and flammability of polycarbonate alloys containing nanosize additives

Corresponding Author

Zhiyi Zhang

[email protected]

Research Center for Engineering Technology of Polymeric Composites of Shanxi Province, North University of China, Taiyuan 030051, China

Research Center for Engineering Technology of Polymeric Composites of Shanxi Province, North University of China, Taiyuan 030051, China===Search for more papers by this author

Yaqing Liu,

Yaqing Liu

Research Center for Engineering Technology of Polymeric Composites of Shanxi Province, North University of China, Taiyuan 030051, China

Search for more papers by this author

Guizhe Zhao,

Guizhe Zhao

Research Center for Engineering Technology of Polymeric Composites of Shanxi Province, North University of China, Taiyuan 030051, China

Search for more papers by this author

Zhiyi Zhang,

Corresponding Author

Zhiyi Zhang

[email protected]

Research Center for Engineering Technology of Polymeric Composites of Shanxi Province, North University of China, Taiyuan 030051, China

Research Center for Engineering Technology of Polymeric Composites of Shanxi Province, North University of China, Taiyuan 030051, China===Search for more papers by this author

Yaqing Liu,

Yaqing Liu

Research Center for Engineering Technology of Polymeric Composites of Shanxi Province, North University of China, Taiyuan 030051, China

Search for more papers by this author

Guizhe Zhao,

Guizhe Zhao

Research Center for Engineering Technology of Polymeric Composites of Shanxi Province, North University of China, Taiyuan 030051, China

Search for more papers by this author

First published: 08 June 2009

https://doi.org/10.1002/app.30503

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Abstract

Different organic–inorganic composite particles [montmorillonite/poly(butyl acrylate) (PBA)/poly(methyl methacrylate) (PMMA), SiO₂/PBA/PMMA, and CaCO₃/PBA/PMMA] were synthesized by emulsion polymerization. Furthermore, polycarbonate (PC) alloys were prepared via the doping of these composite particles into PC with a twin-screw extruder. The structure, mechanical properties, and flammability of the PC alloys were studied in detail. Although the tensile modulus of PC decreased a little, the flexibility and impact resistance were improved by the addition of these composite particles. This result was attributed to the fact that the composite particles were well dispersed in the PC matrix, with a cocontinuous phase formed between the particles and PC. In addition, the combustion behavior of the PC alloys, compared with that of the pure PC, resulted from a ceramic-like char that formed on the surface of the PC alloys during burning. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2009

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Volume114, Issue1

5 October 2009

Pages 438-445

Mechanical properties and flammability of polycarbonate alloys containing nanosize additives

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Mechanical properties and flammability of polycarbonate alloys containing nanosize additives

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