2016
DOI: 10.1016/j.matchemphys.2016.04.056
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Synthesis of new porous clay heterostructures: The influence of co-surfactant type

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Cited by 20 publications
(11 citation statements)
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“…The most of PCHs are synthesized using hexadecyltrimethylammonium cations (HDTMA + ) to expand the interlayer space (Table ). Several authors have pointed out that the basal spacing increase is in the range 1.7–2.2 nm for laponite, saponite and montmorillonite ,,. These data are in agreement with a commercial organoclay such as Cloisite 30B .…”
Section: Porous Clay Heterostructuressupporting
confidence: 80%
“…The most of PCHs are synthesized using hexadecyltrimethylammonium cations (HDTMA + ) to expand the interlayer space (Table ). Several authors have pointed out that the basal spacing increase is in the range 1.7–2.2 nm for laponite, saponite and montmorillonite ,,. These data are in agreement with a commercial organoclay such as Cloisite 30B .…”
Section: Porous Clay Heterostructuressupporting
confidence: 80%
“…After introducing organic moieties (HDTMA and TEOS), the strong vibration attributed to Si-O at 998 cm −1 shifted to 1036 cm −1 due to the increment in amorphous silica contents during the preparation of PCH [ 56 ]. Additionally, the new vibrations were developed at 1222, 1371, and 1744 cm −1 which were assigned as C-N, aliphatic C-H, and C-O vibrations by introducing HDTMA, respectively [ 57 ]. The alginate powder shows characteristic asymmetric and symmetric stretching vibration of the carboxylate group (COO − ) in alginate at 1408 and 1594 cm −1 .…”
Section: Resultsmentioning
confidence: 99%
“…The modification of PCHs was firstly highlighted using FTIR spectrometry ( fig.2). FTIR spectrum of unmodified PCH exhibits the following characteristic peaks: 3738 cm -1 (vibrations of isolated terminal silanol groups), 3649 cm -1 (vibration of geminal and associed terminal silanol groups), 3440 cm -1 (hydroxyl group stretching vibrations of water molecules adsorbed on PCH), 1630 cm -1 (bending vibration of adsorbed water molecules), 1084 cm -1 (formation of three dimensional silica network) [5,6]. The modification of PCH with silane coupling agents (APTES and GPTMS) was highlighted by the apearance of new peaks at 2927 cm -1 (APTES) and 2951 cm -1 (GPTMS) attributed to the streaching vibrations of C-H from CH 2 groups of the coupling agents.…”
Section: Results and Discussion Characterization Of Functionalized Pmentioning
confidence: 99%
“…Porous clay heterostructures (PCHs) are innovative materials that combine microporosity and mesoporosity [1]. The versatile properties such as high textural properties (surface area, total volume pore, pore size distribution), high thermal stability and adsorption capacity and surface acidity of PCHs recommend these materials in a wide range of applications such as: carriers, adsorbents, catalysts, decontamination agents and encapsulation agents [2][3][4][5][6].…”
Section: Abstract: Porous Clay Heterostructures (Pch) 3-aminopropyl-mentioning
confidence: 99%
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