Preparation and Characterization of Cetyl Trimethylammonium Intercalated Sericite
Intercalated sericite was prepared by intercalation of cetyl trimethylammonium bromide (CTAB) into activated sericite through ion exchange with the following two steps: the activation of sericite by thermal modification, acid activation and sodium modification; the ion exchange intercalation of CTA+...
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| Format: | Article |
| Language: | English |
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Wiley
2014-01-01
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| Series: | Advances in Materials Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2014/480138 |
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| author | Hao Ding Yuebo Wang Yu Liang Faxiang Qin |
| author_facet | Hao Ding Yuebo Wang Yu Liang Faxiang Qin |
| author_sort | Hao Ding |
| collection | DOAJ |
| description | Intercalated sericite was prepared by intercalation of cetyl trimethylammonium bromide (CTAB) into activated sericite through ion exchange with the following two steps: the activation of sericite by thermal modification, acid activation and sodium modification; the ion exchange intercalation of CTA+ into activated sericite. Effects of reaction time, reaction temperature, CTAB quantity, kinds of medium, and aqueous pH on the intercalation of activated sericite were examined by X-ray diffraction (XRD) analysis, Fourier transform infrared (FT-IR) spectroscopy, differential scanning calorimetry (DSC), and thermogravimetric analysis (TGA). The results indicated that the CTA+ entered sericite interlayers and anchored in the aluminosilicate interlayers through strong electrostatic attraction. The arrangement of CTA+ in sericite interlayers was that alkyl chain of CTA+ mainly tilted at an angle about 60° (paraffin-type bilayer) and 38° (paraffin-type monolayer) with aluminosilicate layers. The largest interlayer space was enlarged from 0.9 nm to 5.2 nm. The intercalated sericite could be used as an excellent layer silicate to prepare clay-polymer nanocomposites. |
| format | Article |
| id | doaj-art-bde48d1e4cba4740b0c286b37c238e53 |
| institution | Kabale University |
| issn | 1687-8434 1687-8442 |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Wiley |
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| series | Advances in Materials Science and Engineering |
| spelling | doaj-art-bde48d1e4cba4740b0c286b37c238e532025-02-03T01:01:14ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422014-01-01201410.1155/2014/480138480138Preparation and Characterization of Cetyl Trimethylammonium Intercalated SericiteHao Ding0Yuebo Wang1Yu Liang2Faxiang Qin3Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing 100083, ChinaBeijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing 100083, ChinaBeijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing 100083, China1D Nanomaterials Group, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, JapanIntercalated sericite was prepared by intercalation of cetyl trimethylammonium bromide (CTAB) into activated sericite through ion exchange with the following two steps: the activation of sericite by thermal modification, acid activation and sodium modification; the ion exchange intercalation of CTA+ into activated sericite. Effects of reaction time, reaction temperature, CTAB quantity, kinds of medium, and aqueous pH on the intercalation of activated sericite were examined by X-ray diffraction (XRD) analysis, Fourier transform infrared (FT-IR) spectroscopy, differential scanning calorimetry (DSC), and thermogravimetric analysis (TGA). The results indicated that the CTA+ entered sericite interlayers and anchored in the aluminosilicate interlayers through strong electrostatic attraction. The arrangement of CTA+ in sericite interlayers was that alkyl chain of CTA+ mainly tilted at an angle about 60° (paraffin-type bilayer) and 38° (paraffin-type monolayer) with aluminosilicate layers. The largest interlayer space was enlarged from 0.9 nm to 5.2 nm. The intercalated sericite could be used as an excellent layer silicate to prepare clay-polymer nanocomposites.http://dx.doi.org/10.1155/2014/480138 |
| spellingShingle | Hao Ding Yuebo Wang Yu Liang Faxiang Qin Preparation and Characterization of Cetyl Trimethylammonium Intercalated Sericite Advances in Materials Science and Engineering |
| title | Preparation and Characterization of Cetyl Trimethylammonium Intercalated Sericite |
| title_full | Preparation and Characterization of Cetyl Trimethylammonium Intercalated Sericite |
| title_fullStr | Preparation and Characterization of Cetyl Trimethylammonium Intercalated Sericite |
| title_full_unstemmed | Preparation and Characterization of Cetyl Trimethylammonium Intercalated Sericite |
| title_short | Preparation and Characterization of Cetyl Trimethylammonium Intercalated Sericite |
| title_sort | preparation and characterization of cetyl trimethylammonium intercalated sericite |
| url | http://dx.doi.org/10.1155/2014/480138 |
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