期刊
APPLIED CLAY SCIENCE
卷 75-76, 期 -, 页码 114-119出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.clay.2013.02.004
关键词
Layered double hydroxide; Nanocomposite; Micrometer-sized; Surface modification; Exfoliation and dispersion
资金
- National Natural Science Foundation of China [51073162]
Effect of surface modification on exfoliation and dispersion of micrometer-sized layered double hydroxide (LDH) in poly(ethylene terephthalate) (PET) and the thermal stability of the resultant PET/LDH nanocomposites or composite have been studied. First, large micrometer-sized LDH with carbonate anions was prepared by urea hydrolysis method. Then, various anions including nitrate (NO3-), dodecyl sulfate (DS-) or dodecyl benzene sulphonate (DBS-) were intercalated into the interlayer space via anion exchange reaction. By solution intercalation process, PET/LDH_DS and PET/LDH_DBS nanocomposites were successfully obtained, while the LDH_NO3 could not be exfoliated enough in the PET matrix. Finally, the thermal stabilities of the PET/LDH nanocomposites or composite were investigated. (C) 2013 Elsevier B.V. All rights reserved.
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