Effect of the Surfactant Molecule as Intercalating Agent toward Natural Bentonite Structure

Budhyantoro, Arief and Widi, Restu Kartiko (2013) Effect of the Surfactant Molecule as Intercalating Agent toward Natural Bentonite Structure. International Journal of Materials Science, 8 (2). pp. 91-96. ISSN 0973-4589 (In Press)

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Synthesis of organo-clay from natural bentonite with several surfactants using sol-gel methods has been conducted. The objective of this work is to modify the surface properties of the natural bentonite using several surfactants molecule. The modified materials can be further applied as composite materials, adsorbent and catalyst. The kind of surfactants which used on this work is HDTMA-Br (Hexadecyl Trimethyl Ammonium Bromide), TMA-Cl (Tetra methyl Ammonium Chloride) and PVA (Poly Vinyl Alcohol). The temperature for material synthesis was 80oC and it was agitated with hotplate magnetic stirrer for 5 hours. In order to characterize the structure of organoclay that has been synthesized, X-ray diffraction and nitrogen adsorption with BET methods were performed. The XRD data showed that surfactant cause increasing of inter layer d-spacing of bentonite. The organo-clay that synthesized by intercalation bentonite using HDTMA-Br 0.75% showed the highest inter layer d-spacing, while intercalated bentonite uisng PVA and TMA-Cl described similar inter layer d-spacing. The pore size distribution of organo-clay was at micropore range, which was widest surface area and biggest pore volume showed by intercalated bentonite using TMA-Cl 0.75 %.

Item Type: Article
Uncontrolled Keywords: bentonite, organoclay, intercalation, sol-gel methods
Subjects: T Technology > TP Chemical technology
Divisions: Faculty of Engineering > Department of Chemical Engineering
Depositing User: Restu Kartiko Widi 6178
Date Deposited: 30 Oct 2013 02:29
Last Modified: 27 Mar 2018 04:42
URI: http://repository.ubaya.ac.id/id/eprint/5944

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