Abstract
In this article, composites of ammonium polyphosphate (APP) intercalated layered double hydroxides (LDH) were prepared using joint methods (JM) and joint methods combined with a sonochemical technique (JMST). The structures of the composites were characterised by X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, thermogravimetry and energy dispersive X-ray spectroscopy. Results indicated that both methods allowed the combination of LDH with APP to form APP/LDH composites via covalent bonds. APP intercalation into LDH layers or grafting onto LDH surfaces using JMST was favourable. The APP content of APP/LDH composites prepared by JMST was 1.5 times higher than that in products prepared only by JM. Furthermore, composites prepared by JMST were smaller in size.
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The authors gratefully acknowledge the financial supports from National Key Technology R&D Program (2007BAB08B05) and Major Science and Technology Projects of Guizhou Province, China ([2010]6003).
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Qin, J., Xie, P., Tian, Y. et al. Preparation and characterisation of ammonium polyphosphate intercalated layered double hydroxides composite by joint method with or without sonochemical technique. J Therm Anal Calorim 110, 1193–1198 (2012). https://doi.org/10.1007/s10973-011-2085-5
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DOI: https://doi.org/10.1007/s10973-011-2085-5