swelling of tma(tetramethylammonium)- and hdp(hexadecylpyridinium)-montmorillonites in water and toluene media: influence of the type montmorillonites

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2000
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Abstract
Organo-clays were prepared by exchange cations of the montmorillonite with tetramethylammonium (TMA)- and hexadecylpyridinium (HDP)-chloride. Two different montmorillonite types were studied. Two amounts of each organic substances (1 and 4 cation exchange capacity times of montmorillonite) were contacted with each montmorillonite clay for 1 and 24 h. The solids were characterized by X-ray diffraction and swelling index. The swelling was measured in water and toluene media. The structural characteristics of montmorillonites changed after organo treatment and showed different behaviour in water and toluene media. The type of montmorillonite, the organic cation intercalates (TMA, HDP) and condition of treatment influenced in the different swelling in water and toluene media.
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volzone2000materialsswelling Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;C. Volzone;J.O. Rinaldi;J. Ortiga
Journal Majalah Ilmiah Teknologi Elektro
Year 2000
DOI
10.1590/S1516-14392000000400004
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