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Erschienen in:
01.08.2005 | Short communication
Exfoliation of layered double hydroxide in polystyrene by in-situ atom transfer radical polymerization using initiator-modified precursor
Erschienen in: Colloid and Polymer Science | Ausgabe 11/2005
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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.