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Exfoliation of layered double hydroxide in polystyrene by in-situ atom transfer radical polymerization using initiator-modified precursor

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Abstract

Exfoliated nanocomposite, based on Zn, Al layered double hydroxide (LDH) and polystyrene (PS), has been achieved by in-situ atom transfer radical polymerization reaction from initiator-modified LDH. The exfoliated structure is characterized by X-ray diffraction and transmission electronic microscope. The results suggest that the exfoliated ZnAl(DS) LDH sheets with a thickness of less than 1 nm disperse individually in the PS matrix, and the thermal stability of the nanocomposite shows a marked improvement. When the 50 wt% weight loss is selected as a comparison point, the decomposition temperature of PS/LDH nanocomposite is about 45 °C higher than that of pure PS.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China, No. 50373039 and the China NKBRSF project, NO. 2001 CB409600.

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Authors and Affiliations

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

    Longzhen Qiu, Wei Chen & Baojun Qu

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  1. Longzhen Qiu
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  2. Wei Chen
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  3. Baojun Qu
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Correspondence to Baojun Qu.

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Qiu, L., Chen, W. & Qu, B. Exfoliation of layered double hydroxide in polystyrene by in-situ atom transfer radical polymerization using initiator-modified precursor. Colloid Polym Sci 283, 1241–1245 (2005). https://doi.org/10.1007/s00396-005-1305-6

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  • DOI: https://doi.org/10.1007/s00396-005-1305-6

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