Synthesis and characterization of organoclay from Sodium Montmorillonite and Fatty Hydroxamic acid

H.Hoidy, Wisam and Ahmad, Mansor and Al Mula, Emad A. Jaffar and Ibrahim, Nor Azowa (2009) Synthesis and characterization of organoclay from Sodium Montmorillonite and Fatty Hydroxamic acid. American Journal of Applied Sciences, 6 (8). pp. 1567-1572. ISSN 1546-9239

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Problem statement: Sodium Montmorillonite (Na-MMT) has been modified via cation exchange reaction using Fatty Hydroxamic Acids (FHAs) synthesized from palm oil as a surfactant to produce organoclay which is used to prepare polymer nanocomposites. Approach: Basal spacing, functional groups identification and thermal stability of this Organo-Montmorillonite (OMMT) were characterized using X-ray Diffraction (XRD), Fourier Transform Infrared (FTIR) spectroscopy and Thermogravimetric Analysis (TGA) respectively. Elemental analysis was also used to know the composition of OMMT. Cation Exchange Capacity (CEC) was also investigated in this study. Results: The (XRD) results showed that the basal spacing of the treated clay with FHA increased to 31Å. The highest d-spacing was observed at 1.8 CEC. FTIR spectra illustrate that FHA compound was successfully intercalated into the clay layers. Tthermogravimetric analysis showed that the thermal decomposition of organoclay occurs in four steps. Conclusion: The new organic cation (FHA) was used to modify montmorollonite clay in an attempt to create susceptible clay to polymers. In future, we may predict any derivative of fatty nitrogen compounds can be used as a surfactant for clay modification.

Item Type:Article
Keyword:Sodium montmorillonite; Fatty hydroxamic acids; Cation exchange capacity; Surfactants
Subject:Montmorillonite - Synthesis
Subject:Fatty acids — Synthesis
Subject:Clay minerals - Properties
Faculty or Institute:Faculty of Science
Publisher:Science Publications
ID Code:16931
Deposited By: Najwani Amir Sariffudin
Deposited On:28 Nov 2012 07:57
Last Modified:28 Nov 2012 07:57

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