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Synergistic effects of polyhedral oligomeric silsesquioxane (POSS) and oligomeric bisphenyl A bis(diphenyl phosphate) (BDP) on thermal and flame retardant properties of polycarbonate

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Abstract

A series of flame retardant hybrids were prepared based on bisphenol A polycarbonate (PC), trisilanolphenyl-polyhedral oligomeric silsesquioxane (TPOSS) and oligomeric bisphenyl A bis(diphenyl phosphate) (BDP) by melt blending method. The thermal stability and flame retardant properties of the hybrids were investigated by thermogravimetry analysis and cone calorimeter. Combination TPOSS with BDP in the appropriate ratio enhanced the thermal stability and the flame retardant properties of the PC matrix. The char residues of the hybrids were investigated by scan electronic microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). The synergistic effect of BDP and TPOSS enhances the thermal stability and fire-resistance of the char layer which builds up on the surface of the burning polymer.

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Acknowledgement

This study was financially supported by the National Natural Science Foundation of China (No. 50403014), and the National 11th five-year Program (No. 2006BAK06B06).

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Authors and Affiliations

  1. State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, 230026, Anhui, People’s Republic of China

    Qingliang He, Lei Song, Yuan Hu & Shun Zhou

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  1. Qingliang He
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  2. Lei Song
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  3. Yuan Hu
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  4. Shun Zhou
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Correspondence to Lei Song or Yuan Hu.

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He, Q., Song, L., Hu, Y. et al. Synergistic effects of polyhedral oligomeric silsesquioxane (POSS) and oligomeric bisphenyl A bis(diphenyl phosphate) (BDP) on thermal and flame retardant properties of polycarbonate. J Mater Sci 44, 1308–1316 (2009). https://doi.org/10.1007/s10853-009-3266-5

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  • DOI: https://doi.org/10.1007/s10853-009-3266-5

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