2006
DOI: 10.1016/j.clay.2005.09.005
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Microwave versus conventional preparation of organoclays from natural and synthetic clays

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Cited by 53 publications
(29 citation statements)
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“…Interlayer surfactant in OM0.8CEC takes arrangements of lateral bilayers. The organoclay prepared with 1.0 CEC ODTMA shows a basal spacing of 19.03 Å corresponding to a bilayer arrangement, which is even larger than that of a 1.4 CEC concentration modified clay by microwave methods which has a basal spacing of 17.7 Å [12]. For OM2.0-CEC, it shows a basal spacing at 21.38 Å with a shoulder at 19.54 Å reflecting arrangements from bilayer to paraffin-type monomolecular.…”
Section: X-ray Diffractionmentioning
confidence: 98%
“…Interlayer surfactant in OM0.8CEC takes arrangements of lateral bilayers. The organoclay prepared with 1.0 CEC ODTMA shows a basal spacing of 19.03 Å corresponding to a bilayer arrangement, which is even larger than that of a 1.4 CEC concentration modified clay by microwave methods which has a basal spacing of 17.7 Å [12]. For OM2.0-CEC, it shows a basal spacing at 21.38 Å with a shoulder at 19.54 Å reflecting arrangements from bilayer to paraffin-type monomolecular.…”
Section: X-ray Diffractionmentioning
confidence: 98%
“…These include single and dual cationic surfactants (Ijdo and Pinnavaia, 1998;Wang et al, 2004;Yilmaz and Yapar, 2004), anionic-cationic surfactants (Zhu and Chen, 2000) and nonionic surfactants (Shen, 2001). The prepared OCs, however, are structurally different even when the same surfactant was used under similar experimental conditions (Lee and Kim, 2002;Xi et al, 2005;Baldassari et al, 2006;He et al, 2006). Hence, the structure and properties of the resultant organoclays are affected by the type of surfactant (Heinz et al, 2007), the clay used and the preparation method.…”
Section: Introductionmentioning
confidence: 92%
“…Organo-bentonitlerinin üretilmesinde genellikle ağırlıkça % 5'den düşük oranlarda bentonit-su karışımı kullanılmaktadır; fakat daha yüksek oranlarda bentonit-su karışımının kullanılıp, karıştırma sonrası ortama su eklendiği çalışmalar da vardır [32,55,63,64]. Daha sonra bentonit-su karışımına karıştırma sürerken, belirlenen derişimde hazırlanan organik YAM çözeltisi, belirlenen damlatma hızıyla eklenir.…”
Section: Organo-bentonitlerin üRetilmesiunclassified
“…Bu çalışmalarda sıcaklık uygulanması, organik YAM'nin bentonit süspansiyonuna eklenmesi sırasında gerçekleştirilmiştir [35,55,63,68,69]. Organik madde eklenirken ve daha sonra devam eden karıştırma esnasında 50-60 [39,67,70] veya mikrodalga fırın [55,70] kullanılarak veya dondurularak [60,71] kurutulur, öğütülür ve böylece kullanıma hazır hale getirilir [55,57,72].…”
Section: Organo-bentonitlerin üRetilmesiunclassified
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