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Citation: GUO Bing-Zhi, JIAO Qing-Ze, ZHAO Yun. Synthesis and Characterization of PBT/MgAl-LDH Nanocomposite[J]. Chinese Journal of Applied Chemistry, ;2008, 25(4): 468-472. shu

Synthesis and Characterization of PBT/MgAl-LDH Nanocomposite

1.
a Zhuhai College, Beijing Institute of Technology, ZhuHai;
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b School of Chemical Engineering and Environment, Beijing Institute of Technology, Beijing 100081

Corresponding author: JIAO Qing-Ze,
Received Date: 3 April 2007
Available Online: 30 July 2007

A PBT/MgAl layered double hydroxides (MgAl-LDH) exfoliation nanocomposite was synthesized in situ from terephthalate-pillared hydroxides,Mg₄Al₂(OH)₁₂[C₆H₄(COO)₂].The samples obtained were characterized by X-ray diffraction,transmission electron microscopy,and thermal analysis.The results showed that most layers of terephthalate-pillared hydroxides were exfoliated and dispersed disorderly in the PBT matrix.DSC analysis indicated that the LDH nanolayers lowered the crystalliztion temperature and crystalli-nity,suppressed the growth of the β crystals and increased the melting point of the PBT.The thermal stability of PBT/MgAl-LDH was enhanced by the well dispersed LDH nanolayers.
- PBT,
- LDH,
- terephthalic acid,
- characterization
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