Thermal characterization of the intercalation compound ofp-toluenesulfonate into a layered double hydroxide |
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| Authors: | T Kuwahara O Onitsuka H Tagaya J Kadokawa K Chiba |
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| Institution: | (1) R&D Center, TDK Corp., Saku, 389-02 Nagano, Japan;(2) R&D Center, TDK Corp., Ichikawa, 272 Chiba, Japan;(3) Department of Materials Science and Engineering, Yamagata University, Yonezawa, 992 Yamagata, Japan |
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| Abstract: | On intercalation ofp-toluenesulfonate (PTS) into Mg/Al (0.73/0.27) layered double hydroxide (LDH), the layer expanded from 4.77 Å to 17.7 Å, indicating that the plane of PTS was perpendicular to the plane of the LDH layers. Thermal treatment of the PTS intercalate resulted in 82% of the included PTS being evolved as decomposition products. This value was higher than the value of 32.5% obtained with sodium PTS and 43.8% with a mixed sample of PTS and Mg/Al (0.73/0.27) LDH. It was considered that the intercalated PTS in Mg/Al (0.73/0.27) LDH was easy to decompose because interaction between intercalated PTS and Mg/Al (0.73/0.27) LDH was smaller than that between sodium and PTS in sodium PTS. |
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| Keywords: | Intercalation layered double hydroxide mass spectrometry thermogravimetric analysis p-toluenesulfonate |
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