期刊
JOURNAL OF SOLID STATE CHEMISTRY
卷 184, 期 11, 页码 2862-2869出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2011.08.017
关键词
Polymer nanocomposite; Layered double hydroxides; Thermal properties; Infrared (IR) spectroscopy
资金
- ERDF
- MICINN [MAT2009-08526]
- Universidad de Salamanca-Banco Santander
Conventional and microwave heating routes have been used to prepare PET-LDH (polyethylene terephthalate-layered double hydroxide) composites with 1-10 wt% LDH by in situ polymerization. To enhance the compatibility between PET and the LDH, terephthalate or dodecyl sulphate had been previously intercalated in the LDH. PXRD and TEM were used to detect the degree of dispersion of the filler and the type of the polymeric composites obtained, and FTIR spectroscopy confirmed that the polymerization process had taken place. The thermal stability of these composites, as studied by thermogravimetric analysis, was enhanced when the microwave heating method was applied. Dodecyl sulphate was more effective than terephthalate to exfoliate the samples, which only occurred for the terephthalate ones under microwave irradiation. (C) 2011 Elsevier Inc. All rights reserved.
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